diff --git a/tvb/adapters/visualizers/__init__.py b/tvb/adapters/visualizers/__init__.py
index dd23bbdc4..74dcaaa72 100644
--- a/tvb/adapters/visualizers/__init__.py
+++ b/tvb/adapters/visualizers/__init__.py
@@ -35,6 +35,6 @@
 
 __all__ = ["annotations_viewer", "brain", "complex_imaginary_coherence", "connectivity", "connectivity_edge_bundle",
            "covariance", "cross_coherence", "cross_correlation", "eeg_monitor", "fourier_spectrum",
-           "histogram", "ica", "local_connectivity_view", "matrix_viewer", "pca", "pearson_cross_correlation",
+           "histogram", "ica", "local_connectivity_view", "matrix_viewer","new_dual_viewer","pca", "pearson_cross_correlation",
            "pearson_edge_bundle", "pse_discrete", "pse_isocline", "region_volume_mapping", "sensors", "surface_view",
            "time_series", "time_series_volume", "tract", "topographic", "wavelet_spectrogram"]
diff --git a/tvb/adapters/visualizers/new_dual_viewer.py b/tvb/adapters/visualizers/new_dual_viewer.py
new file mode 100644
index 000000000..9de0ac1c3
--- /dev/null
+++ b/tvb/adapters/visualizers/new_dual_viewer.py
@@ -0,0 +1,127 @@
+# -*- coding: utf-8 -*-
+#
+#
+# TheVirtualBrain-Framework Package. This package holds all Data Management, and
+# Web-UI helpful to run brain-simulations. To use it, you also need do download
+# TheVirtualBrain-Scientific Package (for simulators). See content of the
+# documentation-folder for more details. See also http://www.thevirtualbrain.org
+#
+# (c) 2012-2017, Baycrest Centre for Geriatric Care ("Baycrest") and others
+#
+# This program is free software: you can redistribute it and/or modify it under the
+# terms of the GNU General Public License as published by the Free Software Foundation,
+# either version 3 of the License, or (at your option) any later version.
+# This program is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+# You should have received a copy of the GNU General Public License along with this
+# program.  If not, see <http://www.gnu.org/licenses/>.
+#
+#
+#   CITATION:
+# When using The Virtual Brain for scientific publications, please cite it as follows:
+#
+#   Paula Sanz Leon, Stuart A. Knock, M. Marmaduke Woodman, Lia Domide,
+#   Jochen Mersmann, Anthony R. McIntosh, Viktor Jirsa (2013)
+#       The Virtual Brain: a simulator of primate brain network dynamics.
+#   Frontiers in Neuroinformatics (7:10. doi: 10.3389/fninf.2013.00010)
+#
+#
+
+
+from tvb.adapters.visualizers.brain import BrainViewer
+from tvb.adapters.visualizers.eeg_monitor import EegMonitor
+from tvb.adapters.visualizers.sensors import prepare_sensors_as_measure_points_params
+from tvb.adapters.visualizers.sensors import prepare_mapped_sensors_as_measure_points_params
+from tvb.basic.filters.chain import FilterChain
+from tvb.core.entities.storage import dao
+from tvb.datatypes.surfaces import EEGCap, CorticalSurface
+from tvb.datatypes.surfaces import Surface
+from tvb.datatypes.time_series import TimeSeries, TimeSeriesSEEG, TimeSeriesEEG, TimeSeriesRegion
+
+
+class NewDualViewer(BrainViewer):
+    """
+    New visualizer merging Brain 3D display and EEG lines display.
+    Same input as the DualBrainViewer
+    """
+    _ui_name = "(Work in progress)New Viewer for Time Series in 3D and 2D"
+    _ui_subsection = "new_brain_dual"
+
+    def get_input_tree(self):
+
+        return [{'name': 'time_series', 'label': 'Time Series', 'type': TimeSeries, 'required': True,
+                 'conditions': FilterChain(fields=[FilterChain.datatype + '.type',
+                                                   FilterChain.datatype + '._has_surface_mapping'],
+                                           operations=["in", "=="],
+                                           values=[['TimeSeriesEEG', 'TimeSeriesSEEG',
+                                                    'TimeSeriesMEG', 'TimeSeriesRegion'], True])},
+
+                {'name': 'projection_surface', 'label': 'Projection Surface', 'type': Surface, 'required': False,
+                 'description': 'A surface on which to project the results. When missing, the first EEGCap is taken'
+                                'This parameter is ignored when InternalSensors measures.'},
+
+                {'name': 'shell_surface', 'label': 'Shell Surface', 'type': Surface, 'required': False,
+                 'description': "Wrapping surface over the internal sensors, to be displayed "
+                                "semi-transparently, for visual purposes only."}]
+
+    def populate_surface_fields(self, time_series):
+        """
+        Prepares the urls from which the client may read the data needed for drawing the surface.
+        """
+
+        if isinstance(time_series, TimeSeriesRegion):
+            BrainViewer.populate_surface_fields(self, time_series)
+            return
+
+        self.one_to_one_map = False
+        self.region_map = None
+        self.connectivity = None
+
+        if self.surface is None:
+            eeg_cap = dao.get_generic_entity(EEGCap, "EEGCap", "type")
+            if len(eeg_cap) < 1:
+                raise Exception("No EEG Cap Surface found for display!")
+            self.surface = eeg_cap[0]
+
+    def retrieve_measure_points_prams(self, time_series):
+
+        if isinstance(time_series, TimeSeriesRegion):
+            return BrainViewer.retrieve_measure_points_prams(self, time_series)
+
+        self.measure_points_no = time_series.sensors.number_of_sensors
+
+        if isinstance(time_series, TimeSeriesEEG):
+            return prepare_mapped_sensors_as_measure_points_params(self.current_project_id,
+                                                                   time_series.sensors, self.surface)
+
+        return prepare_sensors_as_measure_points_params(time_series.sensors)
+
+    def launch(self, time_series, projection_surface=None, shell_surface=None):
+
+        self.surface = projection_surface
+
+        if isinstance(time_series, TimeSeriesSEEG) and shell_surface is None:
+            shell_surface = dao.try_load_last_entity_of_type(self.current_project_id, CorticalSurface)
+
+        params = BrainViewer.compute_parameters(self, time_series, shell_surface)
+        params.update(EegMonitor().compute_parameters(time_series, is_extended_view=True))
+
+        params['isOneToOneMapping'] = False
+        params['brainViewerTemplate'] = 'dual_brain_3d_view.html'
+
+        if isinstance(time_series, TimeSeriesSEEG):
+            params['brainViewerTemplate'] = "dual_brain_3d_internal_view.html"
+            # Mark as None since we only display shelf face and no point to load these as well
+            params['urlVertices'] = None
+            params['isSEEG'] = True
+
+        if isinstance(time_series, TimeSeriesRegion):
+            params['withTransparency'] = True
+        else:
+            params['withTransparency'] = False
+
+
+        return self.build_display_result("new_dual_brain/view", params,
+                                         pages=dict(controlPage="new_dual_brain/controls",
+                                                    channelsPage="commons/channel_selector.html"))
diff --git a/tvb/interfaces/web/static/js/d3.v4.min.js b/tvb/interfaces/web/static/js/d3.v4.min.js
deleted file mode 100644
index 6a2705865..000000000
--- a/tvb/interfaces/web/static/js/d3.v4.min.js
+++ /dev/null
@@ -1,2 +0,0 @@
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arguments.length?n(Ba(t)):n()._curve},t},Tg=function(t,n){return[(n=+n)*Math.cos(t-=Math.PI/2),n*Math.sin(t)]},kg=Array.prototype.slice,Ng={draw:function(t,n){var e=Math.sqrt(n/pg);t.moveTo(e,0),t.arc(0,0,e,0,vg)}},Sg={draw:function(t,n){var e=Math.sqrt(n/5)/2;t.moveTo(-3*e,-e),t.lineTo(-e,-e),t.lineTo(-e,-3*e),t.lineTo(e,-3*e),t.lineTo(e,-e),t.lineTo(3*e,-e),t.lineTo(3*e,e),t.lineTo(e,e),t.lineTo(e,3*e),t.lineTo(-e,3*e),t.lineTo(-e,e),t.lineTo(-3*e,e),t.closePath()}},Eg=Math.sqrt(1/3),Ag=2*Eg,Cg={draw:function(t,n){var e=Math.sqrt(n/Ag),r=e*Eg;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},zg=Math.sin(pg/10)/Math.sin(7*pg/10),Pg=Math.sin(vg/10)*zg,Rg=-Math.cos(vg/10)*zg,Lg={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=Pg*e,i=Rg*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var u=vg*o/5,a=Math.cos(u),c=Math.sin(u);t.lineTo(c*e,-a*e),t.lineTo(a*r-c*i,c*r+a*i)}t.closePath()}},qg={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},Ug=Math.sqrt(3),Dg={draw:function(t,n){var e=-Math.sqrt(n/(3*Ug));t.moveTo(0,2*e),t.lineTo(-Ug*e,-e),t.lineTo(Ug*e,-e),t.closePath()}},Og=-.5,Fg=Math.sqrt(3)/2,Ig=1/Math.sqrt(12),Yg=3*(Ig/2+1),Bg={draw:function(t,n){var e=Math.sqrt(n/Yg),r=e/2,i=e*Ig,o=r,u=e*Ig+e,a=-o,c=u;t.moveTo(r,i),t.lineTo(o,u),t.lineTo(a,c),t.lineTo(Og*r-Fg*i,Fg*r+Og*i),t.lineTo(Og*o-Fg*u,Fg*o+Og*u),t.lineTo(Og*a-Fg*c,Fg*a+Og*c),t.lineTo(Og*r+Fg*i,Og*i-Fg*r),t.lineTo(Og*o+Fg*u,Og*u-Fg*o),t.lineTo(Og*a+Fg*c,Og*c-Fg*a),t.closePath()}},jg=[Ng,Sg,Cg,qg,Lg,Dg,Bg],Hg=function(){};Ja.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Ga(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Qa.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};Ka.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Ga(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}};tc.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var r,i=t[0],o=n[0],u=t[e]-i,a=n[e]-o,c=-1;++c<=e;)r=c/e,this._basis.point(this._beta*t[c]+(1-this._beta)*(i+r*u),this._beta*n[c]+(1-this._beta)*(o+r*a));this._x=this._y=null,this._basis.lineEnd()},point:function(t,n){this._x.push(+t),this._y.push(+n)}};var Xg=function t(n){function e(t){return 1===n?new Ja(t):new tc(t,n)}return e.beta=function(n){return t(+n)},e}(.85);ec.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:nc(this,this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2,this._x1=t,this._y1=n;break;case 2:this._point=3;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var $g=function t(n){function e(t){return new ec(t,n)}return e.tension=function(n){return t(+n)},e}(0);rc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Vg=function t(n){function e(t){return new rc(t,n)}return e.tension=function(n){return t(+n)},e}(0);ic.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:nc(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Wg=function t(n){function e(t){return new ic(t,n)}return e.tension=function(n){return t(+n)},e}(0);uc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x2,this._y2);break;case 3:this.point(this._x2,this._y2)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Zg=function t(n){function e(t){return n?new uc(t,n):new ec(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);ac.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Gg=function t(n){function e(t){return n?new ac(t,n):new rc(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);cc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._l01_a=this._l12_a=this._l23_a=this._l01_2a=this._l12_2a=this._l23_2a=this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){if(t=+t,n=+n,this._point){var e=this._x2-t,r=this._y2-n;this._l23_a=Math.sqrt(this._l23_2a=Math.pow(e*e+r*r,this._alpha))}switch(this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:oc(this,t,n)}this._l01_a=this._l12_a,this._l12_a=this._l23_a,this._l01_2a=this._l12_2a,this._l12_2a=this._l23_2a,this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var Jg=function t(n){function e(t){return n?new cc(t,n):new ic(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);sc.prototype={areaStart:Hg,areaEnd:Hg,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}};dc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:pc(this,this._t0,hc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,pc(this,hc(this,e=lc(this,t,n)),e);break;default:pc(this,this._t0,e=lc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(vc.prototype=Object.create(dc.prototype)).point=function(t,n){dc.prototype.point.call(this,n,t)},_c.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},yc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var r=gc(t),i=gc(n),o=0,u=1;u<e;++o,++u)this._context.bezierCurveTo(r[0][o],i[0][o],r[1][o],i[1][o],t[u],n[u]);(this._line||0!==this._line&&1===e)&&this._context.closePath(),this._line=1-this._line,this._x=this._y=null},point:function(t,n){this._x.push(+t),this._y.push(+n)}};mc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=this._y=NaN,this._point=0},lineEnd:function(){0<this._t&&this._t<1&&2===this._point&&this._context.lineTo(this._x,this._y),(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line>=0&&(this._t=1-this._t,this._line=1-this._line)},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;default:if(this._t<=0)this._context.lineTo(this._x,n),this._context.lineTo(t,n);else{var 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diff --git a/tvb/interfaces/web/static/js/d3.v5.min.js b/tvb/interfaces/web/static/js/d3.v5.min.js
new file mode 100644
index 000000000..d715d22e0
--- /dev/null
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@@ -0,0 +1,2 @@
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e=Math.sqrt(n/P_),r=e*C_;t.moveTo(0,-e),t.lineTo(r,0),t.lineTo(0,e),t.lineTo(-r,0),t.closePath()}},R_=Math.sin(M_/10)/Math.sin(7*M_/10),L_=Math.sin(T_/10)*R_,D_=-Math.cos(T_/10)*R_,U_={draw:function(t,n){var e=Math.sqrt(.8908130915292852*n),r=L_*e,i=D_*e;t.moveTo(0,-e),t.lineTo(r,i);for(var o=1;o<5;++o){var a=T_*o/5,u=Math.cos(a),f=Math.sin(a);t.lineTo(f*e,-u*e),t.lineTo(u*r-f*i,f*r+u*i)}t.closePath()}},q_={draw:function(t,n){var e=Math.sqrt(n),r=-e/2;t.rect(r,r,e,e)}},O_=Math.sqrt(3),Y_={draw:function(t,n){var e=-Math.sqrt(n/(3*O_));t.moveTo(0,2*e),t.lineTo(-O_*e,-e),t.lineTo(O_*e,-e),t.closePath()}},B_=Math.sqrt(3)/2,F_=1/Math.sqrt(12),I_=3*(F_/2+1),j_={draw:function(t,n){var e=Math.sqrt(n/I_),r=e/2,i=e*F_,o=r,a=e*F_+e,u=-o,f=a;t.moveTo(r,i),t.lineTo(o,a),t.lineTo(u,f),t.lineTo(-.5*r-B_*i,B_*r+-.5*i),t.lineTo(-.5*o-B_*a,B_*o+-.5*a),t.lineTo(-.5*u-B_*f,B_*u+-.5*f),t.lineTo(-.5*r+B_*i,-.5*i-B_*r),t.lineTo(-.5*o+B_*a,-.5*a-B_*o),t.lineTo(-.5*u+B_*f,-.5*f-B_*u),t.closePath()}},H_=[E_,k_,z_,q_,U_,Y_,j_];Bf.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){switch(this._point){case 3:Yf(this,this._x1,this._y1);case 2:this._context.lineTo(this._x1,this._y1)}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,this._context.lineTo((5*this._x0+this._x1)/6,(5*this._y0+this._y1)/6);default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},Ff.prototype={areaStart:Of,areaEnd:Of,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._y0=this._y1=this._y2=this._y3=this._y4=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x2,this._y2),this._context.closePath();break;case 2:this._context.moveTo((this._x2+2*this._x3)/3,(this._y2+2*this._y3)/3),this._context.lineTo((this._x3+2*this._x2)/3,(this._y3+2*this._y2)/3),this._context.closePath();break;case 3:this.point(this._x2,this._y2),this.point(this._x3,this._y3),this.point(this._x4,this._y4)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x2=t,this._y2=n;break;case 1:this._point=2,this._x3=t,this._y3=n;break;case 2:this._point=3,this._x4=t,this._y4=n,this._context.moveTo((this._x0+4*this._x1+t)/6,(this._y0+4*this._y1+n)/6);break;default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},If.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3;var e=(this._x0+4*this._x1+t)/6,r=(this._y0+4*this._y1+n)/6;this._line?this._context.lineTo(e,r):this._context.moveTo(e,r);break;case 3:this._point=4;default:Yf(this,t,n)}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n}},jf.prototype={lineStart:function(){this._x=[],this._y=[],this._basis.lineStart()},lineEnd:function(){var t=this._x,n=this._y,e=t.length-1;if(e>0)for(var 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2:this._point=3;default:Hf(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var G_=function t(n){function e(t){return new Xf(t,n)}return e.tension=function(n){return t(+n)},e}(0);Gf.prototype={areaStart:Of,areaEnd:Of,lineStart:function(){this._x0=this._x1=this._x2=this._x3=this._x4=this._x5=this._y0=this._y1=this._y2=this._y3=this._y4=this._y5=NaN,this._point=0},lineEnd:function(){switch(this._point){case 1:this._context.moveTo(this._x3,this._y3),this._context.closePath();break;case 2:this._context.lineTo(this._x3,this._y3),this._context.closePath();break;case 3:this.point(this._x3,this._y3),this.point(this._x4,this._y4),this.point(this._x5,this._y5)}},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1,this._x3=t,this._y3=n;break;case 1:this._point=2,this._context.moveTo(this._x4=t,this._y4=n);break;case 2:this._point=3,this._x5=t,this._y5=n;break;default:Hf(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var V_=function t(n){function e(t){return new Gf(t,n)}return e.tension=function(n){return t(+n)},e}(0);Vf.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._x2=this._y0=this._y1=this._y2=NaN,this._point=0},lineEnd:function(){(this._line||0!==this._line&&3===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){switch(t=+t,n=+n,this._point){case 0:this._point=1;break;case 1:this._point=2;break;case 2:this._point=3,this._line?this._context.lineTo(this._x2,this._y2):this._context.moveTo(this._x2,this._y2);break;case 3:this._point=4;default:Hf(this,t,n)}this._x0=this._x1,this._x1=this._x2,this._x2=t,this._y0=this._y1,this._y1=this._y2,this._y2=n}};var $_=function t(n){function e(t){return new Vf(t,n)}return 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n?new Qf(t,n):new Vf(t,0)}return e.alpha=function(n){return t(+n)},e}(.5);Jf.prototype={areaStart:Of,areaEnd:Of,lineStart:function(){this._point=0},lineEnd:function(){this._point&&this._context.closePath()},point:function(t,n){t=+t,n=+n,this._point?this._context.lineTo(t,n):(this._point=1,this._context.moveTo(t,n))}},rc.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x0=this._x1=this._y0=this._y1=this._t0=NaN,this._point=0},lineEnd:function(){switch(this._point){case 2:this._context.lineTo(this._x1,this._y1);break;case 3:ec(this,this._t0,nc(this,this._t0))}(this._line||0!==this._line&&1===this._point)&&this._context.closePath(),this._line=1-this._line},point:function(t,n){var e=NaN;if(t=+t,n=+n,t!==this._x1||n!==this._y1){switch(this._point){case 0:this._point=1,this._line?this._context.lineTo(t,n):this._context.moveTo(t,n);break;case 1:this._point=2;break;case 2:this._point=3,ec(this,nc(this,e=tc(this,t,n)),e);break;default:ec(this,this._t0,e=tc(this,t,n))}this._x0=this._x1,this._x1=t,this._y0=this._y1,this._y1=n,this._t0=e}}},(ic.prototype=Object.create(rc.prototype)).point=function(t,n){rc.prototype.point.call(this,n,t)},oc.prototype={moveTo:function(t,n){this._context.moveTo(n,t)},closePath:function(){this._context.closePath()},lineTo:function(t,n){this._context.lineTo(n,t)},bezierCurveTo:function(t,n,e,r,i,o){this._context.bezierCurveTo(n,t,r,e,o,i)}},ac.prototype={areaStart:function(){this._line=0},areaEnd:function(){this._line=NaN},lineStart:function(){this._x=[],this._y=[]},lineEnd:function(){var t=this._x,n=this._y,e=t.length;if(e)if(this._line?this._context.lineTo(t[0],n[0]):this._context.moveTo(t[0],n[0]),2===e)this._context.lineTo(t[1],n[1]);else for(var 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n,e,r,i=t.U,o=t.L,a=t.R;if(e=o?a?xc(a):o:a,i?i.L===t?i.L=e:i.R=e:this._=e,o&&a?(r=e.C,e.C=t.C,e.L=o,o.U=e,e!==a?(i=e.U,e.U=t.U,t=e.R,i.L=t,e.R=a,a.U=e):(e.U=i,i=e,t=e.R)):(r=t.C,t=e),t&&(t.U=i),!r)if(t&&t.C)t.C=!1;else{do{if(t===this._)break;if(t===i.L){if((n=i.R).C&&(n.C=!1,i.C=!0,bc(this,i),n=i.R),n.L&&n.L.C||n.R&&n.R.C){n.R&&n.R.C||(n.L.C=!1,n.C=!0,mc(this,n),n=i.R),n.C=i.C,i.C=n.R.C=!1,bc(this,i),t=this._;break}}else if((n=i.L).C&&(n.C=!1,i.C=!0,mc(this,i),n=i.L),n.L&&n.L.C||n.R&&n.R.C){n.L&&n.L.C||(n.R.C=!1,n.C=!0,bc(this,n),n=i.L),n.C=i.C,i.C=n.L.C=!1,mc(this,i),t=this._;break}n.C=!0,t=i,i=i.U}while(!t.C);t&&(t.C=!1)}}};var J_,K_,tb,nb,eb,rb=[],ib=[],ob=1e-6,ab=1e-12;Yc.prototype={constructor:Yc,polygons:function(){var t=this.edges;return this.cells.map(function(n){var e=n.halfedges.map(function(e){return Ec(n,t[e])});return e.data=n.site.data,e})},triangles:function(){var t=[],n=this.edges;return this.cells.forEach(function(e,r){if(o=(i=e.halfedges).length)for(var i,o,a,u=e.site,f=-1,c=n[i[o-1]],s=c.left===u?c.right:c.left;++f<o;)a=s,s=(c=n[i[f]]).left===u?c.right:c.left,a&&s&&r<a.index&&r<s.index&&qc(u,a,s)<0&&t.push([u.data,a.data,s.data])}),t},links:function(){return this.edges.filter(function(t){return t.right}).map(function(t){return{source:t.left.data,target:t.right.data}})},find:function(t,n,e){for(var r,i,o=this,a=o._found||0,u=o.cells.length;!(i=o.cells[a]);)if(++a>=u)return null;var f=t-i.site[0],c=n-i.site[1],s=f*f+c*c;do{i=o.cells[r=a],a=null,i.halfedges.forEach(function(e){var r=o.edges[e],u=r.left;if(u!==i.site&&u||(u=r.right)){var f=t-u[0],c=n-u[1],l=f*f+c*c;l<s&&(s=l,a=u.index)}})}while(null!==a);return o._found=r,null==e||s<=e*e?i.site:null}},Fc.prototype={constructor:Fc,scale:function(t){return 1===t?this:new Fc(this.k*t,this.x,this.y)},translate:function(t,n){return 0===t&0===n?this:new Fc(this.k,this.x+this.k*t,this.y+this.k*n)},apply:function(t){return[t[0]*this.k+this.x,t[1]*this.k+this.y]},applyX:function(t){return t*this.k+this.x},applyY:function(t){return t*this.k+this.y},invert:function(t){return[(t[0]-this.x)/this.k,(t[1]-this.y)/this.k]},invertX:function(t){return(t-this.x)/this.k},invertY:function(t){return(t-this.y)/this.k},rescaleX:function(t){return t.copy().domain(t.range().map(this.invertX,this).map(t.invert,t))},rescaleY:function(t){return t.copy().domain(t.range().map(this.invertY,this).map(t.invert,t))},toString:function(){return"translate("+this.x+","+this.y+") scale("+this.k+")"}};var ub=new Fc(1,0,0);Ic.prototype=Fc.prototype,t.version="5.4.0",t.bisect=Jc,t.bisectRight=Jc,t.bisectLeft=Kc,t.ascending=n,t.bisector=e,t.cross=function(t,n,e){var i,o,a,u,f=t.length,c=n.length,s=new Array(f*c);for(null==e&&(e=r),i=a=0;i<f;++i)for(u=t[i],o=0;o<c;++o,++a)s[a]=e(u,n[o]);return s},t.descending=function(t,n){return n<t?-1:n>t?1:n>=t?0:NaN},t.deviation=a,t.extent=u,t.histogram=function(){function t(t){var i,o,a=t.length,u=new Array(a);for(i=0;i<a;++i)u[i]=n(t[i],i,t);var 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\ No newline at end of file
diff --git a/tvb/interfaces/web/static/js/tvbviz.js b/tvb/interfaces/web/static/js/tvbviz.js
index 10fb5fd66..b5f229a30 100644
--- a/tvb/interfaces/web/static/js/tvbviz.js
+++ b/tvb/interfaces/web/static/js/tvbviz.js
@@ -33,6 +33,18 @@
 
 /* global tv, d3 */
 
+//add globals for time selection in the new dual brain viewer for time series data
+var timeselection_interval_length = 0;//integer
+var timeselection_interval = 0;
+var timeselection = [];
+
+// identify the initiator of the change of the time selection: brushing or movie timeline
+var triggered_by_timeselection = true;
+var triggered_by_changeinput=false;
+
+//store the energy calculated from the time selection
+var timeselection_energy = [];
+
 tv = {};
 
 tv.util = {
@@ -90,7 +102,16 @@ tv.util = {
         //NOTE: If we need to add slices for the other dimensions pass them as the 'specific_slices' parameter.
         //      Method called is from time_series.py.
         $.getJSON(readDataURL, callback);
+    },
+
+    get_time_selection_energy: function (baseURL, slices, callback, channels, currentMode, currentStateVar, timeselectionlLength) {
+        var readDataURL = readDataEnergyURL(baseURL, slices[0].lo, slices[0].hi,
+            currentStateVar, currentMode, slices[0].di, JSON.stringify(channels), timeselectionlLength);
+        //NOTE: If we need to add slices for the other dimensions pass them as the 'specific_slices' parameter.
+        //      Method called is from time_series.py.
+        $.getJSON(readDataURL, callback)
     }
+
 };
 
 tv.ndar = function (data) {
@@ -529,8 +550,8 @@ tv.plot = {
         return f;
     },
 
+    //time sereis uses d3v5
     time_series: function () {
-
         var f = function (root) {
 
             f.p(f.p() || 0.1); // pad
@@ -562,9 +583,30 @@ tv.plot = {
             f.render();
         }; // end function f()
 
+        f.update_energy=function(){
+            var all_slice = f.current_slice();
+                all_slice[0].di = f.shape()[1];
+                all_slice[0].hi = f.shape()[0];
+                all_slice[0].lo = 0;
+            tv.util.get_time_selection_energy(f.baseURL(), all_slice, f.energy_callback, f.channels(), f.mode(), f.state_var(), timeselection_interval_length);
+
+        };
+
+        f.channel_lasttime=null;
+
+        f.energy_callback = function (data) {
+            timeselection_energy = data;
+            if (isInternalSensorView) {
+                VSI_change_energySphericalMeasurePoints()
+            }
+            else {
+                changeSphereMeasurePoints_energy();
+            }
+            closeBlockerOverlay();
+        };
+
         f.render = function () {
             f.status_line.text("waiting for data from server...");
-            //console.log(f.baseURL(), f.current_slice())
             tv.util.get_array_slice(f.baseURL(), f.current_slice(), f.render_callback, f.channels(), f.mode(), f.state_var());
         };
 
@@ -599,11 +641,9 @@ tv.plot = {
             f.prepare_data();
             f.status_line.text("rendering data...");
             f.render_focus();
-
             if (!f.we_are_setup) {
                 f.render_contexts();
                 f.add_brushes();
-                f.br_fcs_endfn(true); // no_render=true
                 f.we_are_setup = true;
             }
 
@@ -633,8 +673,15 @@ tv.plot = {
             f.pad = {x: (0 ? f.w() : f.h()) * f.p(), y: f.h() * f.p()};
             f.ul_ctx_y = {x: f.pad.x, y: f.pad.y};
             f.sz_ctx_y = {x: f.pad.x * 0.8, y: f.h() - 3 * f.pad.y - f.pad.y};
-            f.ul_ctx_x = {x: 2 * f.pad.x + f.sz_ctx_y.x, y: 2 * f.pad.y + f.sz_ctx_y.y};
-            f.sz_ctx_x = {x: f.w() - 3 * f.pad.x - f.sz_ctx_y.x, y: f.pad.y};
+            if(f.viewer_type()==='svg'){
+                f.ul_ctx_x = {x: 2 * f.pad.x + f.sz_ctx_y.x, y: 2 * f.pad.y + f.sz_ctx_y.y};
+                f.sz_ctx_x = {x: f.w() - 3 * f.pad.x- f.sz_ctx_y.x, y: f.pad.y};
+            }
+            else{
+                f.ul_ctx_x = {x: f.pad.x, y: 2 * f.pad.y + f.sz_ctx_y.y};
+                f.sz_ctx_x = {x: f.w() - 2 * f.pad.x, y: f.pad.y / 2};
+            }
+
             f.ul_fcs = {x: f.ul_ctx_x.x, y: f.ul_ctx_y.y};
             f.sz_fcs = {x: f.sz_ctx_x.x, y: f.sz_ctx_y.y};
 
@@ -655,13 +702,13 @@ tv.plot = {
                 })
                 .attr("x", f.w() - f.pad.x / 2).attr("y", f.h() - f.pad.y / 2)
                 .attr("width", f.pad.x / 2).attr("height", f.pad.y / 2)
-                .call(d3.behavior.drag().on("drag", function () {
+                .call(d3.drag().on("drag", function () {
                     var p1 = d3.mouse(svg.node())
                         , p2 = resize_start
                         , scl = {x: p1[0] / p2[0], y: p1[1] / p2[1]};
                     rgp.attr("transform", "scale(" + scl.x + ", " + scl.y + ")");
                     svg.attr("width", scl.x * f.w()).attr("height", scl.y * f.h());
-                }).on("dragstart", function () {
+                }).on("start", function () {
                     resize_start = d3.mouse(rgp.node());
                 }));
         };
@@ -677,21 +724,49 @@ tv.plot = {
                 , sh = ev.shiftKey
                 , dr = !!(da > 0);
 
-            //console.log(ev)
             if (sh) {
                 f.magic_fcs_amp_scl *= dr ? 1.2 : 1 / 1.2;
                 // TODO scale transform instead via direct access...
                 f.prepare_data();
                 f.render_focus();
             } else {
-                if (!(f.br_ctx_y.empty())) {
-                    var ext = f.br_ctx_y.extent();
+                if (!(f.gp_br_fcs.node().__brush === null)) {
                     var dx = dr ? 1 : -1;
-                    f.br_ctx_y.extent([ext[0] + dx, ext[1] + dx]);
-                    f.br_ctx_y_fn();
+                    // stop scrolling if it is the end of the signals' list
+                    if (f.dom_y[0] >= -1 && f.dom_y[1] <= f.channels().length) {
+                        f.dom_y[0] += dx;
+                        f.dom_y[1] += dx;
+                    }
+                    //lower bound
+                    else if (f.dom_y[0] < -1) {
+                        var delta = Math.abs(f.dom_y[0] - (-1));
+                        f.dom_y[0] += delta;
+                        f.dom_y[1] += delta;
+                    }
+                    //upper bound
+                    else if (f.dom_y[1] > f.channels().length) {
+                        var delta = Math.abs(f.channels().length - f.dom_y[1]);
+                        f.dom_y[0] -= delta;
+                        f.dom_y[1] -= delta;
+                    }
+
+                    //redraw the lines
+                    var dom = f.dom_y;
+                    var yscl = f.sz_fcs.y / (dom[1] - dom[0]) / 5;
+                    f.sc_fcs_y.domain(dom).range([f.sz_ctx_y.y, 0]);
+                    f.gp_ax_fcs_y.call(f.ax_fcs_y);
+                    f.gp_lines.selectAll("g").attr("transform", function (d, i) {
+                        return "translate(0, " + f.sc_fcs_y(i) + ")" + "scale (1, " + yscl + ")"
+                    }).selectAll("path").attr("stroke-width", "" + (3 / yscl));
+                    f.scale_focus_stroke();
+
+
                 }
+
+
             }
 
+
         };
 
         f.signal_tick_labeler = function (tick_value) {
@@ -701,45 +776,59 @@ tv.plot = {
         // setup groups, scales and axes for context and focus areas
         f.do_scaffolding = function (rgp) {
 
-            // main groups for vertical and horizontal context areas and focus area
-            f.gp_ctx_y = rgp.append("g").attr("transform", "translate(" + f.ul_ctx_y.x + ", " + f.ul_ctx_y.y + ")");
             f.gp_ctx_x = rgp.append("g").attr("transform", "translate(" + f.ul_ctx_x.x + ", " + f.ul_ctx_x.y + ")");
+            f.gp_ctx_x.append("rect").attr("width", f.sz_ctx_x.x).attr("height", f.sz_ctx_x.y).classed("tv-data-bg", true);
+
             f.gp_fcs = rgp.append("g").attr("transform", "translate(" + f.ul_fcs.x + ", " + f.ul_fcs.y + ")");
             f.gp_fcs.on("mousewheel", f.mouse_scroll);
             f.gp_fcs.append("rect").attr("width", f.sz_fcs.x).attr("height", f.sz_fcs.y).classed("tv-data-bg", true);
-            f.gp_ctx_x.append("rect").attr("width", f.sz_ctx_x.x).attr("height", f.sz_ctx_x.y).classed("tv-data-bg", true);
-            f.gp_ctx_y.append("rect").attr("width", f.sz_ctx_y.x).attr("height", f.sz_ctx_y.y).classed("tv-data-bg", true);
+
 
             // the plotted time series in the focus and x ctx area are subject to a clipping region
             new_clip_path(rgp, "fig-lines-clip").append("rect").attr("width", f.sz_fcs.x).attr("height", f.sz_fcs.y);
-            new_clip_path(rgp, "fig-ctx-x-clip").append("rect").attr("width", f.sz_ctx_x.x).attr("height", f.sz_ctx_x.y);
 
             // group with clip path applied for the focus lines
             f.gp_lines = f.gp_fcs.append("g").attr("style", "clip-path: url(#fig-lines-clip)")
                 .append("g").classed("line-plot", true);
 
             // scales for vertical and horizontal context, and the x and y axis of the focus area
-            f.sc_ctx_y = d3.scale.linear().domain([-1, f.shape()[2]]).range([f.sz_ctx_y.y, 0]);
-            f.sc_ctx_x = d3.scale.linear().domain([f.t0(), f.t0() + f.dt() * f.shape()[0]]).range([0, f.sz_ctx_x.x]);
-            f.sc_fcs_x = d3.scale.linear().domain([f.t0(), f.t0() + f.dt() * f.shape()[0]]).range([0, f.sz_fcs.x]);
-            f.sc_fcs_y = d3.scale.linear().domain([-1, f.shape()[2] + 1]).range([f.sz_fcs.y, 0]);
+            f.sc_ctx_y = d3.scaleLinear().domain([-1, f.shape()[2]]).range([f.sz_ctx_y.y, 0]);
+            f.sc_ctx_x = d3.scaleLinear().domain([f.t0(), f.t0() + f.dt() * (f.shape()[0]-1)]).range([0, f.sz_ctx_x.x]);
+            f.sc_fcs_x = d3.scaleLinear().domain([f.t0(), f.t0() + f.dt() * (f.shape()[0]-1)]).range([0, f.sz_fcs.x]);
+            f.sc_fcs_y = d3.scaleLinear().domain([-1, f.shape()[2] + 1]).range([f.sz_fcs.y, 0]);
+
+
+            f.dom_x = f.sc_ctx_x.domain();
+            f.dom_y = f.sc_ctx_y.domain();
 
             // axes for each of the above scales
-            f.ax_ctx_y = d3.svg.axis().orient("left").scale(f.sc_ctx_y);
-            f.ax_ctx_x = d3.svg.axis().orient("bottom").scale(f.sc_ctx_x);
-            f.ax_fcs_x = d3.svg.axis().orient("top").scale(f.sc_fcs_x);
-            f.ax_fcs_y = d3.svg.axis().orient("left").scale(f.sc_fcs_y);
+            f.ax_ctx_x = d3.axisBottom(f.sc_ctx_x);
+            f.ax_fcs_x = d3.axisTop(f.sc_fcs_x);
+            f.ax_fcs_y = d3.axisLeft(f.sc_fcs_y);
 
             f.ax_fcs_y.tickFormat(f.signal_tick_labeler);
-            f.ax_ctx_y.tickFormat(f.signal_tick_labeler);
 
             // groups for each of the above axes
-            f.gp_ax_ctx_y = f.gp_ctx_y.append("g").classed("axis", true).call(f.ax_ctx_y);
             f.gp_ax_ctx_x = f.gp_ctx_x.append("g").classed("axis", true).call(f.ax_ctx_x)
                 .attr("transform", "translate(0, " + f.sz_ctx_x.y + ")");
             f.gp_ax_fcs_x = f.gp_fcs.append("g").classed("axis", true).call(f.ax_fcs_x);
             f.gp_ax_fcs_y = f.gp_fcs.append("g").classed("axis", true).call(f.ax_fcs_y);
 
+
+            if(f.viewer_type()==='svg'){
+                // main groups for vertical and horizontal context areas and focus area
+            f.gp_ctx_y = rgp.append("g").attr("transform", "translate(" + f.ul_ctx_y.x + ", " + f.ul_ctx_y.y + ")");
+            f.gp_ctx_y.append("rect").attr("width", f.sz_ctx_y.x).attr("height", f.sz_ctx_y.y).classed("tv-data-bg", true);
+
+            new_clip_path(rgp, "fig-ctx-x-clip").append("rect").attr("width", f.sz_ctx_x.x).attr("height", f.sz_ctx_x.y);
+
+            // vertical context groups
+            f.ax_ctx_y = d3.axisLeft(f.sc_ctx_y);
+            f.ax_ctx_y.tickFormat(f.signal_tick_labeler);
+            f.gp_ax_ctx_y = f.gp_ctx_y.append("g").classed("axis", true).call(f.ax_ctx_y);
+            }
+
+
         };
 
         f.prepare_data = function () {
@@ -768,6 +857,7 @@ tv.plot = {
                     da_lines[sig_idx][tt_idx] *= -1;
                 }
 
+
                 da_lines[sig_idx] = {sig: da_lines[sig_idx], id: sig_idx};
             }
 
@@ -799,7 +889,7 @@ tv.plot = {
                 }
             }
 
-            // scale average siganl by ptp
+            // scale average signal by ptp
             var _dar = new tv.ndar(da_x);
             var da_max = _dar.max()
                 , da_min = _dar.min()
@@ -838,12 +928,12 @@ tv.plot = {
         };
 
         f.render_focus = function () {
-
             var ts = f.ts()
                 , g = f.gp_lines.selectAll("g").data(f.da_lines, function (d) {
                 return d.id;
             });
 
+
             if (!f.we_are_setup) {
                 f.line_paths = g.enter()
                     .append("g")
@@ -854,22 +944,25 @@ tv.plot = {
                     .attr("vector-effect", "non-scaling-stroke");
             }
 
-            g.select("path").attr("d", function (d) {
-                return d3.svg.line()
-                    .x(function (dd, i) {
+
+            f.line_paths.attr("d", function (d) {
+                return d3.line()
+                    .x(function (d, i) {
                         return f.sc_ctx_x(ts.data[i]);
                     })
-                    .y(function (dd) {
-                        return dd;
+                    .y(function (d) {
+                        //use the scale variable directly
+                        return d*f.magic_fcs_amp_scl;
                     })
                     (d.sig);
             });
-        };
 
-        f.render_contexts = function () {
 
-            var ts = f.ts();
+        };
 
+        f.render_contexts = function () {
+            // draw context lines and average
+            if(f.viewer_type()==='svg'){
             // horizontal context line
             var f1 = f.gp_ctx_x.append("g").attr("style", "clip-path: url(#fig-ctx-x-clip)");
             var f2 = f1.selectAll("g").data([f.da_x]).enter();
@@ -879,7 +972,7 @@ tv.plot = {
                 })
                 .classed("tv-ctx-line", true);
             var f4 = f3.append("path")
-                .attr("d", d3.svg.line()
+                .attr("d", d3.line()
                     .x(function (d, i) {
                         var time_start = f.sc_ctx_x.domain()[0];
                         return f.sc_ctx_x((time_start + i + 0.5) * f.da_x_dt);
@@ -899,7 +992,7 @@ tv.plot = {
                 .append("g").attr("transform", "translate(0, " + f.sz_ctx_x.y / 2 + ") scale(1, 0.5)")
                 .classed("tv-ctx-error", true)
                 .append("path")
-                .attr("d", d3.svg.line()
+                .attr("d", d3.line()
                     .x(function (d, i) {
                         var idx = (i < da_x_len) ? i : (2 * da_x_len - i);
                         var time_start = f.sc_ctx_x.domain()[0];
@@ -910,6 +1003,7 @@ tv.plot = {
                         return f.sz_ctx_x.y * (d + std);
                     }));
 
+
             // vertical context lines
             f.gp_ctx_y.append("g").selectAll("g").data(f.da_y)
                 .enter()
@@ -918,12 +1012,14 @@ tv.plot = {
             })
                 .classed("tv-ctx-line", true)
                 .append("path")
-                .attr("d", d3.svg.line().x(function (d, i) {
+                .attr("d", d3.line().x(function (d, i) {
                     return 2 + (f.sz_ctx_y.x - 2) * i / f.sz_ctx_y.x;
                 })
                     .y(function (d) {
                         return d;
                     }));
+
+            }
         };
 
         f.scale_focus_stroke = function () {
@@ -943,98 +1039,372 @@ tv.plot = {
             }
         };
 
+
         f.add_brushes = function () {
 
             // horizontal context brush
             var br_ctx_x_fn = function () {
-                    var dom = f.br_ctx_x.empty() ? f.sc_ctx_x.domain() : f.br_ctx_x.extent()
-                        , sc = f.sc_fcs_x
-                        , x_scaling = f.sc_ctx_x.domain()[1] / (dom[1] - dom[0]);
 
+                    var event_selection_x = [];
+                    // Different extent when it is:
+                    //1.from the brush of 2D Focus Brush
+                    if (d3.event.selection != null && d3.event.selection[0][0] != null) {
+                        event_selection_x[0] = d3.event.selection[0][0];
+                        event_selection_x[1] = d3.event.selection[1][0];
+                    }
+                    //2.from the end of focus brush
+                    else if (d3.event.selection == null) {
+                        event_selection_x = [f.sc_ctx_x.range()[0], f.sc_ctx_x.range()[1]];
+                        f.dom_x = [f.t0(), f.t0() + f.dt() * (f.shape()[0]-1)];
+                    }
+                    //3.from itself
+                    else {
+                        event_selection_x = d3.event.selection;
+                    }
+
+
+                    var scale_brushed = d3.scaleLinear().domain(f.dom_x).range(f.sc_ctx_x.range());
+
+
+                    //selection is now in coordinates and we have to map it using scales
+                    event_selection_x = event_selection_x.map(scale_brushed.invert, scale_brushed);
+
+
+                    dom = f.br_ctx_x === null ? f.sc_ctx_x.domain() : event_selection_x;
+
+                    f.dom_x = dom;
+
+                    sc = f.sc_fcs_x;
+                    x_scaling = scale_brushed.domain()[1] / (dom[1] - dom[0]);
                     sc.domain(dom);
                     f.gp_ax_fcs_x.call(f.ax_fcs_x);
+
+                    //keep the x context in the same range for the svg viewer
+                    if(f.viewer_type()!='svg'){
+                        f.sc_ctx_x.domain(dom);
+                        f.gp_ax_ctx_x.call(f.ax_ctx_x);
+                    }
+
+
                     // TODO: This seems to cause problems with negative values and commenting it out does not seem to
                     // cause any additional problems. This could do with some double checking.
                     f.gp_lines.attr("transform", "translate(" + sc(0) + ", 0) scale(" + x_scaling + ", 1)");
                 }
 
-                // vertical context brush
+                // vertical changes
                 , br_ctx_y_fn = function () {
-                    var dom = f.br_ctx_y.empty() ? f.sc_ctx_y.domain() : f.br_ctx_y.extent();
+
+                    var event_selection_y = [];
+
+                    if (d3.event == null || d3.event.selection == null) {
+                        event_selection_y = f.sc_ctx_y.range();
+                        f.dom_y = [-1, f.shape()[2]];
+                    }
+                    else if (d3.event.selection != null && d3.event.selection[0][0] != null) {
+                        event_selection_y[1] = d3.event.selection[0][1];
+                        event_selection_y[0] = d3.event.selection[1][1];
+                    }
+                    else {
+                        event_selection_y[0] = d3.event.selection[1];
+                        event_selection_y[1] = d3.event.selection[0];
+                    }
+
+                    var scale_brushed = d3.scaleLinear().domain(f.dom_y).range(f.sc_ctx_y.range());
+
+
+                    event_selection_y = event_selection_y.map(scale_brushed.invert, scale_brushed);
+                    var dom = f.br_ctx_y === null ? f.sc_ctx_y.domain() : event_selection_y;
+                    f.dom_y = dom;
                     var yscl = f.sz_fcs.y / (dom[1] - dom[0]) / 5;
-                    f.sc_fcs_y.domain(dom);
+                    f.sc_fcs_y.domain(dom).range([f.sz_ctx_y.y, 0]);
                     f.gp_ax_fcs_y.call(f.ax_fcs_y);
                     f.gp_lines.selectAll("g").attr("transform", function (d, i) {
                         return "translate(0, " + f.sc_fcs_y(i) + ")" + "scale (1, " + yscl + ")"
                     }).selectAll("path").attr("stroke-width", "" + (3 / yscl));
-                }
 
-                , br_ctx_end = function () {
-                    f.scale_focus_stroke();
-                    // TODO: This f.render() only makes another call to the server bringing back data that is already here.
-                    // Also when rerendering that data it is rendered from the 0 timeline, so if for example you
-                    // zoom on a block from 250-270, 20 points or data ar brought from the server and the plot is
-                    // redrawn with data from 0-20, but you being in the area 250-270 don't see any of it. This needs
-                    // to be tested further to see if it was really needed, and if so look into the problem of zooming
-                    // described above.
-
-                   // f.render();
                 };
 
             f.br_ctx_y_fn = br_ctx_y_fn;
+            //move the focus with the x context brush in the svg viewer, different from the fn that evokes from the focus brush
+            br_ctx_x_move=function(){
+                if(f.viewer_type()==='svg'){
+                    var event_selection = [];
+                    // Different extent when it is:
+                    //1.from the brush of 2D Focus Brush
+                    if (d3.event.selection != null && d3.event.selection[0][0] != null) {
+                        event_selection[0] = d3.event.selection[0][0];
+                        event_selection[1] = d3.event.selection[1][0];
+                    }
+                    //2.from the end of focus brush
+                    else if (d3.event.selection == null) {
+                        event_selection = [f.sc_ctx_x.range()[0], f.sc_ctx_x.range()[1]];
+
+                    }
+
+                    //3.from itself
+                    else {
+                        event_selection = d3.event.selection;
+                    }
+                    //selection is now in coordinates and we have to map it using scales
+                    event_selection = event_selection.map(f.sc_ctx_x.invert, f.sc_ctx_x);
+                    var dom = f.br_ctx_x === null ? f.sc_ctx_x.domain() : event_selection
+                        , sc = f.sc_fcs_x
+                        , x_scaling = f.sc_ctx_x.domain()[1] / (dom[1] - dom[0]);
+
+                    sc.domain(dom);
+
+
+                    f.gp_ax_fcs_x.call(f.ax_fcs_x);
+
+                    // TODO: This seems to cause problems with negative values and commenting it out does not seem to
+                    // cause any additional problems. This could do with some double checking.
+                    f.gp_lines.attr("transform", "translate(" + sc(0) + ", 0) scale(" + x_scaling + ", 1)");
+                }
+            }
+
+            br_ctx_y_move=function(){
+                    var event_selection = [];
+                    if (d3.event.selection != null && d3.event.selection[0][0] != null) {
+                        event_selection[0] = d3.event.selection[0][1];
+                        event_selection[1] = d3.event.selection[1][1];
+                    }
+                    else if (d3.event.selection == null) {
+                        event_selection = f.sc_ctx_y.range();
+                    }
+                    else {
+                        event_selection[0] = d3.event.selection[1];
+                        event_selection[1] = d3.event.selection[0];
+
+                    }
+                    event_selection = event_selection.map(f.sc_ctx_y.invert, f.sc_ctx_y);
+                    var dom = f.br_ctx_y === null ? f.sc_ctx_y.domain() : event_selection;
+                    var yscl = f.sz_fcs.y / (dom[1] - dom[0]) / 5;
+                    f.sc_fcs_y.domain(dom).range([f.sz_ctx_y.y, 0]);
+
+                    f.gp_ax_fcs_y.call(f.ax_fcs_y);
+                    f.gp_lines.selectAll("g").attr("transform", function (d, i) {
+                        return "translate(0, " + f.sc_fcs_y(i) + ")" + "scale (1, " + yscl + ")"
+                    }).selectAll("path").attr("stroke-width", "" + (3 / yscl));
+                    f.scale_focus_stroke();
+            }
+
+            br_ctx_end = function () {
+                if(f.viewer_type()==='svg'){}
+                else{
+                    //get the selected time range
+                var event_selection_x = [];
+                if (d3.event.selection != null) {
+                    event_selection_x[0] = d3.event.selection[0];
+                    event_selection_x[1] = d3.event.selection[1];
+                }
+                event_selection_x = event_selection_x.map(f.sc_ctx_x.invert);
+                timeselection = event_selection_x;
+
+                // remove the last time's selection
+                f.gp_ctx_x.selectAll(".selected-time").remove();
+
+                //change the actual time point in the slider
+                    if (f.viewer_type() === 'dualbrain' && d3.event.selection != null) {
+                        f.timeselection_update_fn()
+                    }
+                }
+
+            };
 
             // on end of focus brush
             // this is on f so that f can call it when everything else is done..
+            //this function can reset the status of the plot to the initial state
             f.br_fcs_endfn = function (no_render) {
-
+                if (!d3.event || !d3.event.sourceEvent) {
+                    br_ctx_y_fn();
+                    f.scale_focus_stroke();
+                    return;
+                }
                 br_ctx_x_fn();
                 br_ctx_y_fn();
+                f.gp_br_fcs.node().__brush.selection = null;
+                f.gp_br_fcs.call(f.br_fcs);
                 f.scale_focus_stroke();
-                f.gp_br_fcs.call(f.br_fcs.clear());
+            };
+
 
-                if (!no_render) {
-                    // TODO: This f.render() only makes another call to the server bringing back data that is already here.
-                    // Also when rerendering that data it is rendered from the 0 timeline, so if for example you
-                    // zoom on a block from 250-270, 20 points or data ar brought from the server and the plot is
-                    // redrawn with data from 0-20, but you being in the area 250-270 don't see any of it. This needs
-                    // to be tested further to see if it was really needed, and if so look into the problem of zooming
-                    // described above.
+            f.br_fcs_startfn = function () {
+                //select a channel
+                var event_selection_y = [];
+                event_selection_y[1] = d3.event.selection[0][1];
+                event_selection_y = event_selection_y.map(f.sc_ctx_y.invert);
 
-                    //f.render();
+                //choose the time point
+                var event_selection_x = [];
+                event_selection_x[1] = d3.event.selection[0][0];
+                event_selection_x = event_selection_x.map(f.sc_ctx_x.invert);
+                if (event_selection_x[1] < 0) {
+                    event_selection_x[1] = 0 + f.da_x;
                 }
-            };
 
-            // focus brush
+
+                timerange = f.sc_fcs_x.domain()[1];
+                channelID = parseInt(event_selection_y[1]);
+                timepoint_length = f.da_lines[channelID].sig.length;
+
+                timepoint = event_selection_x[1] / f.sc_fcs_x.domain()[1];
+                timepoint = timepoint * timepoint_length;
+                timepoint = parseInt(timepoint);
+
+                valuearray = f.ys().data;
+                channel_number = f.channels().length;
+                channel_index = f.channels().indexOf(channelID);
+
+                //print out the channel name(label) and value
+                $("#info-channel").html(' ' + f.labels()[parseInt(event_selection_y[1])]);
+                $("#info-time").html(" " + timepoint);
+                $("#info-value").html(" " + valuearray[channel_number * timepoint + channel_index]);
+
+            }
+
             f.br_fcs_brush = function () {
-                var ex = f.br_fcs.extent();
-                f.br_ctx_x.extent([ex[0][0], ex[1][0]]);
-                f.br_ctx_y.extent([ex[0][1], ex[1][1]]);
-                f.gp_br_ctx_y.call(f.br_ctx_y);
+                if(f.viewer_type()==='svg'){
+                    var ex = d3.event.selection;
                 f.gp_br_ctx_x.call(f.br_ctx_x);
+                //assign directly because can't use brushSelection to set null brushes' extent
+                f.gp_br_ctx_x.node().__brush.selection = [[ex[0][0], 0], [ex[1][0], f.sz_ctx_x.y]];
+
+                f.gp_br_ctx_y.call(f.br_ctx_y);
+                f.gp_br_ctx_y.node().__brush.selection = [[0, ex[0][1]], [f.sz_ctx_y.x, ex[1][1]]];
+                }
             };
 
             // create brushes
-            f.br_ctx_x = d3.svg.brush().x(f.sc_ctx_x).on("brush", br_ctx_x_fn)
-                .on("brushend", br_ctx_end);
-
-            f.br_ctx_y = d3.svg.brush().y(f.sc_ctx_y).on("brush", br_ctx_y_fn)
-                .on("brushend", br_ctx_end);
+            if(f.viewer_type()==='svg'){
+                // y context brush
+            f.br_ctx_y = d3.brushY().extent([[0, 0], [f.sz_ctx_y.x, f.sz_ctx_y.y]]).on("brush", br_ctx_y_move);
+            f.gp_br_ctx_y = f.gp_ctx_y.append("g");
+            f.gp_br_ctx_y.append("g").classed("brush", true).call(f.br_ctx_y).selectAll("rect").attr("width", f.sz_ctx_y.x);
+            }
 
-            f.br_fcs = d3.svg.brush().x(f.sc_fcs_x)
-                .y(f.sc_fcs_y).on("brushend", f.br_fcs_endfn)
+            f.br_ctx_x = d3.brushX().extent([[f.sc_ctx_x.range()[0], 0], [f.sc_ctx_x.range()[1], f.sz_ctx_x.y]]).on("end", br_ctx_end)
+                .on("brush", br_ctx_x_move);
+            f.br_fcs = d3.brush().extent([[f.sc_fcs_x.range()[0], 0], [f.sc_fcs_x.range()[1], f.sz_fcs.y]])
+                .on("end", f.br_fcs_endfn).on("start", f.br_fcs_startfn)
                 .on("brush", f.br_fcs_brush);
 
-            // add brush groups and add brushes to them
-            f.gp_br_ctx_y = f.gp_ctx_y.append("g");
+            // add time selection brush group
             f.gp_br_ctx_x = f.gp_ctx_x.append("g");
-            f.gp_br_fcs = f.gp_fcs.append("g").classed("brush", true).call(f.br_fcs);
+            //add title for the time selection area
+            f.timeselection_title = f.gp_br_ctx_x.append("text").text("Time Selection").attr("y", -10);
+            f.gp_br_ctx_x.classed("brush", true).attr("class", "time-selection-brush").call(f.br_ctx_x).selectAll("rect").attr("height", f.sz_ctx_x.y);
 
-            f.gp_br_ctx_y.append("g").classed("brush", true).call(f.br_ctx_y).selectAll("rect").attr("width", f.sz_ctx_y.x);
-            f.gp_br_ctx_x.append("g").classed("brush", true).call(f.br_ctx_x).selectAll("rect").attr("height", f.sz_ctx_x.y);
+            //add main focus brush group
+            f.gp_br_fcs = f.gp_fcs.append("g").classed("brush", true).call(f.br_fcs).call(f.br_fcs_endfn);
+
+            //default selection
+            if(f.viewer_type()==='dualbrain'){
+                f.timeselection_default();
+            }
+        };
+
+        //functions for the time selection window
+        f.timeselection_default = function () {
+            if (f.t0() + f.dt() * (f.shape()[0] - 1) > 100) {
+                d3.select(f.gp_br_ctx_x.node()).call(f.br_ctx_x.move, [f.t0(), 100].map(f.sc_ctx_x));
+            }
+            else {
+                d3.select(f.gp_br_ctx_x.node()).call(f.br_ctx_x.move, [f.t0(),f.t0() + f.dt() * (f.shape()[0] - 1)].map(f.sc_ctx_x));
+            }
+        }
+
+        f.timeselection_update_fn = function () {
+            //display the selected time range
+            d3.select("#SetIntervalStart").property('value', timeselection[0].toFixed(2));
+            d3.select("#SetIntervalEnd").property('value', timeselection[1].toFixed(2));
+            $("#info-interval").html((timeselection[1] - timeselection[0]).toFixed(2) + "ms");
+
+            if (triggered_by_timeselection) {
+                //update the time in the input tag
+                var time_index = parseInt((timeselection[0] - f.t0()) / f.dt());
+                triggered_by_changeinput = true;
+                $('#TimeNow').val(timeselection[0].toFixed(2));
+                $('#slider').slider('value', time_index);
+                triggered_by_changeinput = false;
+                //update 3D viewer's time
+                if (f.viewer_type() === 'dualbrain') {
+                    loadFromTimeStep(time_index);
+                }
+
+                var timeselection_lasttime = timeselection_interval_length;
+                timeselection_interval = timeselection[1] - timeselection[0];
+                timeselection_interval_length = parseInt(timeselection_interval / f.dt()) - 1;
+                //retrieve energy for the whole timeline rather than a slice
+                var all_slice = f.current_slice();
+                all_slice[0].di = f.shape()[1];
+                all_slice[0].hi = f.shape()[0];
+                all_slice[0].lo = 0;
+
+                //call the energy computation method and block until get the enery data if channel or time range is changed
+                if (timeselection_lasttime != timeselection_interval_length || f.channel_lasttime !== f.channels()) {
+                    showBlockerOverlay(50000);
+                    f.update_energy();
+                }
+                else if (timeselection_lasttime === timeselection_interval_length && timeselection_interval_length != 0) {
+                    if (isInternalSensorView) {
+                        VSI_change_energySphericalMeasurePoints()
+                    }
+                    else {
+                        changeSphereMeasurePoints_energy();
+                    }
+                }
+                f.channel_lasttime = f.channels();
+            }
+        };
+
+        //move the time selection window with the slider
+        f.timeselection_move_fn = function () {
+            //only change by movie playing
+            if (!triggered_by_changeinput) {
+                redrawSelection()
+            }
+        };
+
+        function redrawSelection() {
+            if (parseInt(timeselection[1]) == parseInt(f.sc_ctx_x.domain()[1])) {
+                f.jump_to_next_time_range()
+            }
+            else if (timeselection[0] >= f.sc_ctx_x.domain()[1] - f.dt()) {
+                dom = [0, f.t0() + f.dt() * (f.shape()[0] - 1)];
+                f.sc_ctx_x.domain(dom);
+                f.gp_ax_ctx_x.call(f.ax_ctx_x);
+                d3.select(f.gp_br_ctx_x.node()).call(f.br_ctx_x.move, [0, timeselection[1] - timeselection[0]].map(f.sc_ctx_x));
+            }
+
+            d3.select(f.gp_br_ctx_x.node()).call(f.br_ctx_x.move, [f.t0()+currentTimeValue*f.dt(),f.t0()+currentTimeValue*f.dt()+timeselection_interval].map(f.sc_ctx_x));
+        }
+
+        f.jump_to_next_time_range = function () {
+            var time_data_length = f.shape()[0];
+            var current_slice_length = f.current_slice()[0].hi - f.current_slice()[0].lo;
+            if (f.current_slice()[0].hi + current_slice_length < time_data_length) {
+                dom = f.sc_ctx_x.domain();
+                var slice_length = dom[1] - dom[0];
+                dom[0] = dom[1] - timeselection_interval;
+                dom[1] = dom[1] + slice_length;
+                f.sc_ctx_x.domain(dom);
+                f.gp_ax_ctx_x.call(f.ax_ctx_x);
+            }
+            else if (f.current_slice()[0].hi == current_slice_length) {
+            }
+            else {
+                dom = [timeselection[1], f.t0() + f.dt() * (f.shape()[0] - 1)];
+                f.sc_ctx_x.domain(dom);
+                f.gp_ax_ctx_x.call(f.ax_ctx_x);
+            }
+        };
+
+        f.timeselection_interval_set = function (start, end) {
+            d3.select(f.gp_br_ctx_x.node()).call(f.br_ctx_x.move, [start, end].map(f.sc_ctx_x));
         };
 
         f.parameters = ["w", "h", "p", "baseURL", "preview", "labels", "shape",
-            "t0", "dt", "ts", "ys", "point_limit", "channels", "mode", "state_var"];
+            "t0", "dt", "ts", "ys", "point_limit", "channels", "mode", "state_var","viewer_type"];
         f.parameters.map(function (name) {
             f[name] = tv.util.gen_access(f, name);
         });
@@ -1042,6 +1412,7 @@ tv.plot = {
         return f;
     },
 
+
     components: function () {
 
         var f = function (root) {
@@ -1086,7 +1457,7 @@ tv.plot = {
             for (var i = 0; i < nkeep; i++) {
                 vt_data[i] = [];
                 for (var j = 0; j < n; j++) {
-                    vt_data[i][j] = [j * w / 2.25 / n, ( 2 * h / 3 / nkeep / 2 / vt_scl) * cs.data[i * n + j]];
+                    vt_data[i][j] = [j * w / 2.25 / n, (2 * h / 3 / nkeep / 2 / vt_scl) * cs.data[i * n + j]];
                 }
             }
 
diff --git a/tvb/interfaces/web/static/style/subsection_timeseries.css b/tvb/interfaces/web/static/style/subsection_timeseries.css
index 5578e7ae7..82f075cb1 100644
--- a/tvb/interfaces/web/static/style/subsection_timeseries.css
+++ b/tvb/interfaces/web/static/style/subsection_timeseries.css
@@ -25,6 +25,32 @@
     color: #000;
 }
 
+/* !------------------------------------------------------- */
+/* ! COMPONENT: New dual brain viewer                       */
+/* !------------------------------------------------------- */
+
+/*overlay changed in d3v5 for new dual brain viewer*/
+rect.overlay{
+    visibility: hidden;
+}
+
+/*universal html font styling not working while using d3v5 in the new dual brain viewer*/
+text{
+    font-size:small;
+}
+
+/*d3v5 extent=>selection*/
+rect.selection {
+    stroke: red;
+
+}
+
+/*remove the styling for the left and right handle*/
+rect.handle  {
+    stroke:none;
+}
+
+
 /* !------------------------------------------------------- */
 /* ! COMPONENT: Volume Time Series Visualizer LEFT COLUMN   */
 /* !------------------------------------------------------- */
diff --git a/tvb/interfaces/web/structure.py b/tvb/interfaces/web/structure.py
index a9002efb1..17da7d548 100644
--- a/tvb/interfaces/web/structure.py
+++ b/tvb/interfaces/web/structure.py
@@ -122,6 +122,8 @@ class WebStructure(object):
     SUB_SECTION_VIEW_23 = "view_wavelet"
     SUB_SECTION_VIEW_24 = "view_annotations"
     SUB_SECTION_VIEW_25 = "view_matrix"
+    SUB_SECTION_VIEW_26 = "view_new_brain_dual"
+
 
 
     ### Texts to appear in HTML page headers as section-title.
@@ -209,7 +211,8 @@ class WebStructure(object):
         SUB_SECTION_VIEW_22: "Topography Visualizer",
         SUB_SECTION_VIEW_23: "Wavelet Visualizer",
         SUB_SECTION_VIEW_24: "Annotations Visualizer",
-        SUB_SECTION_VIEW_25: "Matrix Visualizer"
+        SUB_SECTION_VIEW_25: "Matrix Visualizer",
+        SUB_SECTION_VIEW_26: "(work in progress)New Brain Dual Activity Visualizer (3D and 2D)"
     }
 
 
@@ -242,7 +245,8 @@ class WebStructure(object):
         SUB_SECTION_VIEW_22: "topographic-visualizer",
         SUB_SECTION_VIEW_23: "wavelet-spectrogram-visualizer",
         SUB_SECTION_VIEW_24: "annotations-visualizer",
-        SUB_SECTION_VIEW_25: "matrix-visualizer"
+        SUB_SECTION_VIEW_25: "matrix-visualizer",
+        SUB_SECTION_VIEW_26: "new-brain-dual-visualiser"
     }
 
 
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/brain/view.html b/tvb/interfaces/web/templates/genshi/visualizers/brain/view.html
index a216f2cf7..b23f8beab 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/brain/view.html
+++ b/tvb/interfaces/web/templates/genshi/visualizers/brain/view.html
@@ -16,6 +16,6 @@
                         '${urlRegionBoundaries}', '${measurePointsSelectionGID}');
         });
     </script>
-    <xi:include href="../commons/activity_toolbar.html" />
+    <xi:include href="../commons/activity_toolbar_paused.html" />
     <xi:include href="../commons/gl_view_after.html" py:with="show_navigator=not extended_view"/>
 </div>
\ No newline at end of file
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/commons/activity_toolbar_paused.html b/tvb/interfaces/web/templates/genshi/visualizers/commons/activity_toolbar_paused.html
new file mode 100644
index 000000000..b79e28132
--- /dev/null
+++ b/tvb/interfaces/web/templates/genshi/visualizers/commons/activity_toolbar_paused.html
@@ -0,0 +1,12 @@
+<ul class="toolbar-inline" xmlns:py="http://genshi.edgewall.org/" xmlns:xi="http://www.w3.org/2001/XInclude">
+    <div class="slider-div lastChild">
+        <button id="ctrl-action-pause" class="action action-controller-launch" title="Pause/Start Drawing"
+                onclick="pauseMovie();" tabindex="1"></button>
+        <div id="slider"></div>
+        <div class="movie-time"> <input type="text" id="TimeNow" value="0" /> ms </div>
+    </div>
+    <li class="channel-selector can-extend" py:if="not isOneToOneMapping and not extended_view">
+        <xi:include href="timeseries_selector_button.html" />
+        ${drawTimeseriesSelectorButton(measurePointsTitle,labelsStateVar, labelsModes, groupedLabels, initialSelection)}
+    </li>
+</ul>
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/internalBrain.js b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/internalBrain.js
index 3f88321ec..733c5240b 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/internalBrain.js
+++ b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/internalBrain.js
@@ -1,5 +1,5 @@
 /**
- * TheVirtualBrain-Framework Package. This package holds all Data Management, and 
+ * TheVirtualBrain-Framework Package. This package holds all Data Management, and
  * Web-UI helpful to run brain-simulations. To use it, you also need do download
  * TheVirtualBrain-Scientific Package (for simulators). See content of the
  * documentation-folder for more details. See also http://www.thevirtualbrain.org
@@ -26,6 +26,29 @@ function _VSI_bufferAtPoint(p, idx) {
     return [bufferVertices, bufferNormals, bufferTriangles, vertexRegionBuffer];
 }
 
+function VSI_change_energySphericalMeasurePoints() {
+    let energyIndex = 0;
+    for (let i = 0; i < NO_OF_MEASURE_POINTS; i++) {
+        if (tsView.channels().includes(i)) {
+            const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], timeselection_energy[energyIndex][currentTimeValue], 12, 12);
+            energyIndex++;
+            const bufferVertices = result[0];
+            const bufferNormals = result[1];
+            const bufferTriangles = result[2];
+            const vertexRegionBuffer = VSI_createColorBufferForSphere(i, bufferVertices.numItems * 3);
+            measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, vertexRegionBuffer];
+        }
+        else {
+            const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], 3, 12, 12);
+            const bufferVertices = result[0];
+            const bufferNormals = result[1];
+            const bufferTriangles = result[2];
+            const vertexRegionBuffer = VSI_createColorBufferForSphere(i, bufferVertices.numItems * 3);
+            measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, vertexRegionBuffer];
+        }
+    }
+}
+
 /**
  * Method used for creating a color buffer for a cube (measure point).
  */
@@ -73,4 +96,7 @@ function VSI_StartInternalActivityViewer(baseDatatypeURL, onePageSize, urlTimeLi
     isFaceToDisplay = true;
 
     _VSI_init_sphericalMeasurePoints();
+
+    //pause by default
+    AG_isStopped = true;
 }
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/virtualBrain.js b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/virtualBrain.js
index ae4ae99ea..a76040a46 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/virtualBrain.js
+++ b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/virtualBrain.js
@@ -127,6 +127,8 @@ var activityMin = 0, activityMax = 0;
 var isOneToOneMapping = false;
 var isDoubleView = false;
 var isEEGView = false;
+//apply transparency on the shell surface
+var withTransparency = false;
 var drawingMode;
 var VS_showLegend = true;
 var isInternalSensorView = false;
@@ -157,10 +159,35 @@ var near = 0.1;
 
 // index of the currently selected node. This is equivalent to CONN_pickedIndex
 var VS_pickedIndex = -1;
-
 var VB_BrainNavigator;
 
 
+//indicating we are drawing the energy spheres and applying material colors
+
+//time selection vars that appear in the new dual view
+var isDrawingSpheres = false;
+var timeselection_interval=0;
+var timeselection = [];
+
+var isnewDoubleView=false;
+/**
+ * Change transparency of cortical surface from user-input.
+ *
+ * @param inputField user given input value for transparency of cortical-surface
+ */
+var _alphaValue = 1;
+function changeSurfaceTransparency(inputField) {
+    var newValue = inputField.value;
+
+    if (!isNaN(parseFloat(newValue)) && isFinite(newValue) && parseFloat(newValue) >= 0 && parseFloat(newValue) <= 1) {
+        _alphaValue = parseFloat(newValue);
+    } else {
+        inputField.value = _alphaValue;
+        displayMessage("Transparency value should be a number between 0 and 1.", "warningMessage");
+    }
+}
+
+
 function VS_init_hemisphere_mask(hemisphere_chunk_mask) {
     VS_hemisphere_chunk_mask = hemisphere_chunk_mask;
     if (hemisphere_chunk_mask !== null && hemisphere_chunk_mask !== undefined) {
@@ -351,6 +378,17 @@ function _VS_init_cubicalMeasurePoints() {
     }
 }
 
+function _VS_init_sphereMeasurePoints() {
+    for (let i = 0; i < NO_OF_MEASURE_POINTS; i++) {
+        const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], 2);//2 for the default radius value now, we will modify it later
+        const bufferVertices = result[0];
+        const bufferNormals = result[1];
+        const bufferTriangles = result[2];
+        const bufferColor = createColorBufferForCube(false);
+        measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, bufferColor];
+    }
+}
+
 function VS_StartSurfaceViewer(urlVerticesList, urlLinesList, urlTrianglesList, urlNormalsList, urlMeasurePoints,
                                noOfMeasurePoints, urlRegionMapList, urlMeasurePointsLabels,
                                boundaryURL, shelveObject, minMeasure, maxMeasure, urlMeasure, hemisphereChunkMask) {
@@ -375,19 +413,24 @@ function VS_StartBrainActivityViewer(baseDatatypeURL, onePageSize, urlTimeList,
                                      urlTrianglesList, urlNormalsList, urlMeasurePoints, noOfMeasurePoints,
                                      urlRegionMapList, minActivity, maxActivity,
                                      oneToOneMapping, doubleView, shelfObject, hemisphereChunkMask,
-                                     urlMeasurePointsLabels, boundaryURL, measurePointsSelectionGID) {
+                                     urlMeasurePointsLabels, boundaryURL, measurePointsSelectionGID, transparencyStatus) {
     _VS_movie_entrypoint(baseDatatypeURL, onePageSize, urlTimeList, urlVerticesList, urlLinesList,
         urlTrianglesList, urlNormalsList, urlMeasurePoints, noOfMeasurePoints,
         urlRegionMapList, minActivity, maxActivity,
         oneToOneMapping, doubleView, shelfObject, hemisphereChunkMask,
         urlMeasurePointsLabels, boundaryURL);
-    _VS_init_cubicalMeasurePoints();
+    _VS_init_sphereMeasurePoints();
 
     if (!isDoubleView) {
         // If this is a brain activity viewer then we have to initialize the selection component
         _initChannelSelection(measurePointsSelectionGID);
         // For the double view the selection is the responsibility of the extended view functions
     }
+    withTransparency = transparencyStatus;
+    //pause by default
+    AG_isStopped = true;
+    _alphaValue=0.3;
+    displayMeasureNodes=true;
 }
 
 function _isValidActivityData() {
@@ -542,6 +585,17 @@ function _initSliders() {
                 sliderSel = true;
                 currentTimeValue = target.value;
                 $('#TimeNow').val(currentTimeValue);
+                if(isDoubleView && timeselection_interval!=0){
+                tsView.timeselection_move_fn();
+                }
+            },
+            change: function () {
+                if (isDoubleView && timeselection_interval!=0){
+                    triggered_by_timeselection = false;
+                tsView.timeselection_move_fn();
+                triggered_by_timeselection = true;
+                }
+
             },
             stop: function (event, target) {
                 sliderSel = false;
@@ -913,6 +967,8 @@ function drawBuffer(drawMode, buffers) {
     setMatrixUniforms();
     if (isOneToOneMapping) {
         SHADING_Context.one_to_one_program_draw(GL_shaderProgram, buffers[0], buffers[1], buffers[3], buffers[2], drawMode);
+    } else if (isDrawingSpheres) {
+        SHADING_Context.region_program_draw(GL_shaderProgram, buffers[0], buffers[1], buffers[0], buffers[2], drawMode);
     } else {
         SHADING_Context.region_program_draw(GL_shaderProgram, buffers[0], buffers[1], buffers[3], buffers[2], drawMode);
     }
@@ -937,6 +993,12 @@ function drawBuffers(drawMode, buffersSets, bufferSetsMask, useBlending, cullFac
         // Blending function for alpha: transparent pix blended over opaque -> opaque pix
         if (cullFace) {
             gl.enable(gl.CULL_FACE);
+            if (withTransparency) {
+                gl.uniform1f(GL_shaderProgram.alphaUniform, _alphaValue);
+            }
+            else {
+                gl.uniform1f(GL_shaderProgram.alphaUniform, 1);
+            }
             gl.cullFace(cullFace);
         }
     }
@@ -945,11 +1007,34 @@ function drawBuffers(drawMode, buffersSets, bufferSetsMask, useBlending, cullFac
         if (bufferSetsMask !== null && bufferSetsMask !== undefined && !bufferSetsMask[i]) {
             continue;
         }
-        drawBuffer(drawMode, buffersSets[i]);
+
+        //display spheres with full alpha value
+        if (isDrawingSpheres) {
+            gl.uniform1i(GL_shaderProgram.useVertexColors, false);
+            gl.uniform1f(GL_shaderProgram.alphaUniform, 1);
+
+            // set sphere color green for the selected channels and yellow for the others
+            if (VS_selectedRegions.includes(i)) {
+                gl.uniform4f(GL_shaderProgram.materialColor, 0.99, 0.99, 0.0, 1.0);
+                drawBuffer(drawMode, buffersSets[i]);
+            }
+            else {
+                gl.uniform4f(GL_shaderProgram.materialColor, 0.34, 0.95, 0.37, 1.0);
+                drawBuffer(drawMode, buffersSets[i]);
+            }
+            gl.uniform1i(GL_shaderProgram.useVertexColors, true);
+
+            if (withTransparency) {
+                gl.uniform1f(GL_shaderProgram.alphaUniform, _alphaValue);
+            }
+        }
+        else {
+            drawBuffer(drawMode, buffersSets[i]);
+        }
+
     }
 
     if (useBlending) {
-        gl.disable(gl.BLEND);
         gl.disable(gl.CULL_FACE);
         setLighting(lightSettings);
         // Draw the same transparent object the second time
@@ -1011,7 +1096,7 @@ function tick() {
         if (currentTimeValue > MAX_TIME) {
             // Next time value is no longer in activity data.
             initActivityData();
-            if (isDoubleView) {
+            if (!isnewDoubleView&&isDoubleView) {
                 loadEEGChartFromTimeStep(0);
                 drawGraph(false, 0);
             }
@@ -1025,7 +1110,7 @@ function tick() {
             if (shouldChangeCurrentActivitiesFile()) {
                 changeCurrentActivitiesFile();
             }
-            if (isDoubleView) {
+            if (!isnewDoubleView&&isDoubleView) {
                 drawGraph(true, TIME_STEP);
             }
         }
@@ -1034,6 +1119,15 @@ function tick() {
     const currentTimeInFrame = Math.floor((currentTimeValue - totalPassedActivitiesData) / TIME_STEP);
     updateColors(currentTimeInFrame);
 
+    //update energy
+    if(isDoubleView && timeselection_interval!=0 && !AG_isStopped){
+        if(isInternalSensorView){
+            VSI_change_energySphericalMeasurePoints()
+        }
+        else{
+            changeSphereMeasurePoints_energy();
+        }
+    }
     drawScene();
 
     /// Update FPS and Movie timeline
@@ -1048,7 +1142,18 @@ function tick() {
 
         lastTime = timeNow;
         if (timeData.length > 0 && !AG_isStopped) {
-            document.getElementById("TimeNow").value = toSignificantDigits(timeData[currentTimeValue], 2);
+            if (isDoubleView && timeselection[0] >= 0 && timeStepsPerTick < 1) {
+                document.getElementById("TimeNow").value = (timeselection[0]).toFixed(2);
+            }
+            else if (isDoubleView && timeselection[0] > 0 && timeStepsPerTick >= 1) {
+                //syncing time with the d3 plot
+                //add dt because the 2d will add one step after the slider changes
+                document.getElementById("TimeNow").value = (timeselection[0] + tsView.dt() * timeStepsPerTick).toFixed(2);
+            }
+            else {
+                //3d movie playing only
+                document.getElementById("TimeNow").value = toSignificantDigits(timeData[currentTimeValue], 2);
+            }
         }
         let meanFrameTime = 0;
         for (let i = 0; i < framestime.length; i++) {
@@ -1099,7 +1204,14 @@ function drawScene() {
         if (isInternalSensorView) {
             // for internal sensors we render only the sensors
             drawBuffers(gl.TRIANGLES, measurePointsBuffers);
-        } else {
+        }
+        else {
+            //draw the nodes first to make it appear
+            if (displayMeasureNodes) {
+                isDrawingSpheres = true;
+                drawBuffers(gl.TRIANGLES, measurePointsBuffers);
+                isDrawingSpheres = false;
+            }
             // draw surface
             drawBuffers(drawingMode, brainBuffers, bufferSetsMask);
 
@@ -1108,9 +1220,6 @@ function drawScene() {
             if (drawTriangleLines) {
                 drawBrainLines(brainLinesBuffers, brainBuffers, bufferSetsMask);
             }
-            if (displayMeasureNodes) {
-                drawBuffers(gl.TRIANGLES, measurePointsBuffers);
-            }
         }
 
         if (isFaceToDisplay) {
@@ -1127,7 +1236,6 @@ function drawScene() {
 
     } else {
         gl.bindFramebuffer(gl.FRAMEBUFFER, GL_colorPickerBuffer);
-        gl.disable(gl.BLEND);
         gl.disable(gl.DITHER);
         gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
         setLighting(pickingLightSettings);
@@ -1136,12 +1244,18 @@ function drawScene() {
             GL_initColorPickingData(NO_OF_MEASURE_POINTS);
         }
 
+        isDrawingSpheres = true;
         for (let i = 0; i < NO_OF_MEASURE_POINTS; i++) {
             const mpColor = GL_colorPickerInitColors[i];
             gl.uniform4fv(GL_shaderProgram.materialColor, mpColor);
             drawBuffer(gl.TRIANGLES, measurePointsBuffers[i]);
         }
+        isDrawingSpheres = false;
         VS_pickedIndex = GL_getPickedIndex();
+        //display the channel name
+        if (VS_pickedIndex != -1) {
+            displayMessage("The highlighted node is " + measurePointsLabels[VS_pickedIndex], "infoMessage")
+        }
         doPick = false;
         gl.bindFramebuffer(gl.FRAMEBUFFER, null);
     }
@@ -1205,7 +1319,7 @@ function loadFromTimeStep(step) {
     currentActivitiesFileLength = activitiesData.length * TIME_STEP;
     totalPassedActivitiesData = currentTimeValue;
     // Also sync eeg monitor if in double view
-    if (isDoubleView) {
+    if (!isnewDoubleView&&isDoubleView) {
         loadEEGChartFromTimeStep(step);
     }
     closeBlockerOverlay();
@@ -1311,3 +1425,29 @@ function readFileData(fileUrl, async, callIdentifier) {
 
 
 /////////////////////////////////////// ~~~~~~~~~~ END DATA RELATED METHOD ~~~~~~~~~~~~~ //////////////////////////////////
+/////////////////////////////////////// ~~~~~~~~~~ START ENERGY RELATED METHOD ~~~~~~~~~~~~~ //////////////////////////////////
+//init spheres with energy controlling the radius
+function changeSphereMeasurePoints_energy() {
+    let energyIndex = 0;
+    for (let i = 0; i < NO_OF_MEASURE_POINTS; i++) {
+        if (tsView.channels().includes(i)) {
+            const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], timeselection_energy[energyIndex][currentTimeValue]);
+            energyIndex++;
+            const bufferVertices = result[0];
+            const bufferNormals = result[1];
+            const bufferTriangles = result[2];
+            const bufferColor = createColorBufferForCube(false);
+            measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, bufferColor];
+        }
+        else {
+            const result = HLPR_sphereBufferAtPoint(gl, measurePoints[i], 2);
+            const bufferVertices = result[0];
+            const bufferNormals = result[1];
+            const bufferTriangles = result[2];
+            const bufferColor = createColorBufferForCube(false);
+            measurePointsBuffers[i] = [bufferVertices, bufferNormals, bufferTriangles, bufferColor];
+        }
+    }
+}
+
+/////////////////////////////////////// ~~~~~~~~~~ END ENERGY RELATED METHOD ~~~~~~~~~~~~~ //////////////////////////////////
\ No newline at end of file
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/visualizers_commons.js b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/visualizers_commons.js
index 0e49b1149..679ab5843 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/visualizers_commons.js
+++ b/tvb/interfaces/web/templates/genshi/visualizers/commons/scripts/visualizers_commons.js
@@ -42,6 +42,12 @@ function readDataChannelURL(baseDatatypeMethodURL, fromIdx, toIdx, stateVariable
     return baseURL.replace('read_data_page', 'read_channels_page') + ';channels_list=' + channels;
 }
 
+function readDataEnergyURL(baseDatatypeMethodURL, fromIdx, toIdx, stateVariable, mode, step, channels,timeselectionlLength) {
+    const baseURL = readDataPageURL(baseDatatypeMethodURL, fromIdx, toIdx, stateVariable, mode, step);
+    return baseURL.replace('read_data_page', 'read_time_selection_energy') + ';channels_list=' + channels+
+        ';interval_length=' + timeselectionlLength ;
+}
+
 // ------ Datatype methods mappings end here
 
 
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/commons/shading/shading.js b/tvb/interfaces/web/templates/genshi/visualizers/commons/shading/shading.js
index 5b48f5eb7..dce9506b6 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/commons/shading/shading.js
+++ b/tvb/interfaces/web/templates/genshi/visualizers/commons/shading/shading.js
@@ -145,6 +145,8 @@ SHADING_Context.region_progam_init = function(shader, measure_point_nr, legendGr
     for (let i = 0; i <= measure_point_nr + 1 + legendGranularity; i++) {
         shader.activityUniform[i] = gl.getUniformLocation(shader, "uActivity[" + i + "]");
     }
+    //for alpha channel in the new dual brain viewer
+    shader.alphaUniform = gl.getUniformLocation(shader, "uAlpha");
 };
 
 /** Init the program that uses both a vertex activity and a vertex color */
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/commons/shading/vertex_region.glsl b/tvb/interfaces/web/templates/genshi/visualizers/commons/shading/vertex_region.glsl
index 7d332809c..bf879bfbf 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/commons/shading/vertex_region.glsl
+++ b/tvb/interfaces/web/templates/genshi/visualizers/commons/shading/vertex_region.glsl
@@ -10,6 +10,8 @@ attribute vec3 aVertexNormal;
 attribute float aVertexRegion;
 // 127 is the legend granularity
 uniform vec2 uActivity[${abs(noOfMeasurePoints) + 2} + 127];
+//for surface transparency
+uniform float uAlpha;
 
 varying vec4 vColor;
 varying vec3 posInterp;
@@ -19,6 +21,6 @@ void main(void) {
     transformed_pos(aVertexPosition, aVertexNormal, gl_Position, posInterp, normInterp);
 
     vec2 uv = uActivity[int(aVertexRegion)];
-
     vColor = colorSchemeLookup(uv);
+    vColor.a = uAlpha;
 }
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/connectivity_edge_bundle/view.html b/tvb/interfaces/web/templates/genshi/visualizers/connectivity_edge_bundle/view.html
index c00f890be..0e75f0d54 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/connectivity_edge_bundle/view.html
+++ b/tvb/interfaces/web/templates/genshi/visualizers/connectivity_edge_bundle/view.html
@@ -1,6 +1,6 @@
 <div class="view-column">
     <link rel="stylesheet" type="text/css" href="/static/style/subsection_svg.css"/>
-    <script type="text/javascript" src="/static/js/d3.v4.min.js"></script>
+    <script type="text/javascript" src="/static/js/d3.v5.min.js"></script>
     <script type="text/javascript" src="/static_view/commons/scripts/hierarchicalEdgeBundle.js?$currentVersionJS"></script>
     <script type="text/javascript" src="/static_view/connectivity_edge_bundle/connectivity_edge_bundle.js?$currentVersionJS"></script>
     <script type="text/javascript">
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/__init__.py b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/controls.html b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/controls.html
new file mode 100644
index 000000000..93ec2e842
--- /dev/null
+++ b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/controls.html
@@ -0,0 +1,82 @@
+<div xmlns:xi="http://www.w3.org/2001/XInclude">
+    <fieldset xmlns:xi="http://www.w3.org/2001/XInclude" xmlns:py="http://genshi.edgewall.org/">
+
+        <dl>
+            <div id="divForSliderSpeed">
+                <dt>
+                    <label for="sliderStep">Speed</label>
+                </dt>
+                <dd>
+                    <div class="sliderStepDiv" ondblclick="resetSpeedSlider();">
+                        <div id="sliderStep" class="shadow"></div>
+                    </div>
+
+                    <span class="slider-value" id="slider-value">0</span>
+                    <span class="slider-value"> timesteps per Frame.</span>
+                </dd>
+            </div>
+
+            <xi:include href='../../flow/color_scheme.html'/>
+
+            <!--no transparency input field for SEEG, MEG and EEG signals-->
+            <py:if test="withTransparency">
+                <dt>
+                    <label for="surfaceTransparencyInput">Surface Transparency</label>
+                </dt>
+                <dd>
+                    <input id="surfaceTransparencyInput" type="text" onchange="changeSurfaceTransparency(this);"
+                           value="0.3"
+                           tabindex="1"
+                           title="Value between 0 and 1, saying how opaque the surface around the connectivity is. 0= surface invisible, 1=surface fully opaque."/>
+                </dd>
+            </py:if>
+
+            <!--SEEG controls-->
+            <py:if test="not defined('isSEEG')">
+                <!--no measurepoints toggle control for the dual viewer-->
+                <xi:include href='../commons/brain_toggle_controls.html' py:with="hasRegionMap=isOneToOneMapping"/>
+
+                <py:if test="not extended_view">
+                    <dt></dt>
+                    <dd><input id="inTimeRefreshChkId" type="checkbox"
+                               onchange="VB_BrainNavigator.setInTimeRefresh(this);"
+                               autocomplete="off" tabindex="1"/>
+                        <label for="w">In time refresh</label>
+                    </dd>
+                </py:if>
+            </py:if>
+        </dl>
+
+    </fieldset>
+
+    <!--sclaing-->
+    <fieldset class="slider" xmlns:py="http://genshi.edgewall.org/">
+
+        <dl>
+            <py:if test="not extended_view">
+                <dt>
+                    <label for="ctrl-input-speed">Speed</label>
+                    <span class="slider-value" id="display-speed">3</span>
+                </dt>
+                <dd>
+                    <div class="sliderDiv sliderLabels">
+                        <div id="ctrl-input-speed" class="shadow sliderPosition"></div>
+                    </div>
+                </dd>
+            </py:if>
+
+
+            <dt>
+                <label for="ctrl-input-scale">Scaling</label>
+                <span class="slider-value" id="display-scale" title="signal amplitude multiplier">1</span>
+            </dt>
+            <dd>
+                <div class="sliderDiv sliderLabels">
+                    <div id="ctrl-input-scale" class="shadow sliderPosition"></div>
+                </div>
+            </dd>
+
+
+        </dl>
+    </fieldset>
+</div>
\ No newline at end of file
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/dual_brain_2d_view.html b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/dual_brain_2d_view.html
new file mode 100644
index 000000000..2113f1387
--- /dev/null
+++ b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/dual_brain_2d_view.html
@@ -0,0 +1,83 @@
+<div xmlns:xi="http://www.w3.org/2001/XInclude" xmlns:py="http://genshi.edgewall.org/" py:strip="True">
+    <link type="text/css" rel="stylesheet" href="/static/style/subsection_eeg.css?$currentVersionJS"/>
+    <script type="text/javascript" src="/static/js/d3.v5.min.js"></script>
+    <script type="text/javascript" src="/static/jquery/jquery.contextmenu.js"></script>
+    <!--! we use the method HLPR_readJSONfromFile-->
+    <script type="text/javascript" src="/static/js/webGL_Connectivity.js?$currentVersionJS"></script>
+    <script type="text/javascript"
+            src="/static_view/new_dual_brain/scripts/dualBrainViewer.js?$currentVersionJS"></script>
+    <script type="text/javascript" src="/static/js/tvbviz.js?$currentVersionJS"></script>
+    <script type="text/javascript" src="/static_view/commons/scripts/visualizers_commons.js?$currentVersionJS"></script>
+    <script type="text/javascript" src="/static_view/commons/scripts/regionSelector.js?$currentVersionJS"></script>
+    <link rel="stylesheet" type="text/css" href="/static/style/subsection_svg.css?$currentVersionJS"/>
+    <link rel="stylesheet" type="text/css" href="/static/style/subsection_eeg.css?$currentVersionJS"/>
+    <link rel="stylesheet" type="text/css" href="/static/style/subsection_timeseries.css?$currentVersionJS"/>
+
+    <script type="text/javascript">
+        $(document).ready(function () {
+            AG_startAnimatedChart($ag_settings);
+        });
+    </script>
+
+    <section id="eegSectionId" class="view-column eeg-display col-1">
+        <!--! Inner visualizer controls and legend -->
+        <ul class="toolbar-inline">
+
+            <!--! Value inspector -->
+            <li class="value-inspector value-channel">
+                <mark>Channel</mark>
+                <span id="info-channel">0</span>
+            </li>
+
+            <li class="value-inspector value-time">
+                <mark>Time</mark>
+                <span id="info-time">0</span>
+            </li>
+
+            <li class="value-inspector value-value">
+                <mark>Value</mark>
+                <span id="info-value">0</span>
+            </li>
+
+
+            <!--! Channel selector -->
+            <xi:include href="${channelsPage}"/>
+            <xi:include href="../commons/timeseries_selector_button.html"/>
+
+            <li py:for="idx, name in enumerate(tsNames)"
+                py:if="channelsPage != None" class="channel-selector">
+
+                ${drawTimeseriesSelectorButton(
+                name, tsStateVars[name], tsModes[name],
+                groupedLabels[idx], initialSelection[idx],
+                containerId="channelSelector" + str(idx),
+                buttonTitle="Select signals from Input %d" % (idx+1))}
+            </li>
+        </ul>
+
+        <ul class="toolbar-inline">
+
+            <div class="movie-time">
+                <mark>Time Selection</mark>
+                <input type="text" id="SetIntervalStart" value="0"/> to
+                <input type="text" id="SetIntervalEnd" value="0"/> ms
+                <div class="interval-control action " onclick="intervalSet()">
+                    Submit
+                </div>
+                <li class="value-inspector value-interval">
+                </li>
+                <mark>Interval:</mark>
+                <span id="info-interval">0</span>
+            </div>
+
+
+        </ul>
+
+        <!--! Actual visualizer -->
+        <div id="time-series-viewer"></div>
+
+
+        <input type="hidden" id="columnIndexId"/>
+
+    </section>
+</div>
\ No newline at end of file
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/dual_brain_3d_internal_view.html b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/dual_brain_3d_internal_view.html
new file mode 100644
index 000000000..860eba190
--- /dev/null
+++ b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/dual_brain_3d_internal_view.html
@@ -0,0 +1,24 @@
+<div id="s-brain" class="${'brain' if not extended_view else ''}"
+     xmlns:py="http://genshi.edgewall.org/"
+     xmlns:xi="http://www.w3.org/2001/XInclude">
+
+    <xi:include href="../commons/gl_view_header.html" />
+
+    <script type="text/javascript" src="/static_view/commons/scripts/internalBrain.js?$currentVersionJS"></script>
+
+    <xi:include href="../commons/fragment_shader.html" />
+	<xi:include href="../commons/vertex_shader.html"/>
+
+    <script type="text/javascript">
+        $(document).ready(function() {
+            VSI_StartInternalActivityViewer('${base_activity_url}', ${pageSize}, '${time}', '${urlVertices}',
+                    '${urlLines}', '${urlTriangles}', '${urlNormals}', '${urlMeasurePoints}', $noOfMeasurePoints,
+                    '${urlRegionMap}', '${minActivity}', '${maxActivity}', '${isOneToOneMapping}',
+                     ${'true' if extended_view else 'false'}, ${"'" + shelfObject +"'" if shelfObject else 'null'},
+                    '${urlMeasurePointsLabels}', '${urlRegionBoundaries}');
+        });
+    </script>
+
+    <xi:include href="../commons/activity_toolbar_paused.html" />
+    <xi:include href="../commons/gl_view_after.html" py:with="show_navigator=not extended_view"/>
+</div>
\ No newline at end of file
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/dual_brain_3d_view.html b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/dual_brain_3d_view.html
new file mode 100644
index 000000000..de2e1fa59
--- /dev/null
+++ b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/dual_brain_3d_view.html
@@ -0,0 +1,21 @@
+<div id="s-brain" class="${'brain view-column' if not extended_view else ''}"
+     xmlns:py="http://genshi.edgewall.org/" xmlns:xi="http://www.w3.org/2001/XInclude">
+
+    <xi:include href="../commons/gl_view_header.html" />
+    <xi:include href="../commons/fragment_shader.html" />
+	<xi:include href="../commons/vertex_shader.html" />
+
+    <script type="text/javascript">
+        $(document).ready(function() {
+            VS_StartBrainActivityViewer('${base_activity_url}', ${pageSize}, '${time}', '' +
+                        '${urlVertices}', '${urlLines}', '${urlTriangles}', '${urlNormals}', '${urlMeasurePoints}',
+                        $noOfMeasurePoints, '${urlRegionMap}',
+                        '${minActivity}', '${maxActivity}', '${isOneToOneMapping}',
+                        ${'true' if extended_view else 'false'}, ${"'" + shelfObject +"'" if shelfObject else 'null'},
+                        ${hemisphereChunkMask}, '${urlMeasurePointsLabels}',
+                        '${urlRegionBoundaries}', '${measurePointsSelectionGID}',${'true' if withTransparency else 'false'});
+        });
+    </script>
+    <xi:include href="../commons/activity_toolbar_paused.html" />
+    <xi:include href="../commons/gl_view_after.html" py:with="show_navigator=not extended_view"/>
+</div>
\ No newline at end of file
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/scripts/dualBrainViewer.js b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/scripts/dualBrainViewer.js
new file mode 100644
index 000000000..760f86027
--- /dev/null
+++ b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/scripts/dualBrainViewer.js
@@ -0,0 +1,861 @@
+/**
+ * TheVirtualBrain-Framework Package. This package holds all Data Management, and
+ * Web-UI helpful to run brain-simulations. To use it, you also need do download
+ * TheVirtualBrain-Scientific Package (for simulators). See content of the
+ * documentation-folder for more details. See also http://www.thevirtualbrain.org
+ *
+ * (c) 2012-2017, Baycrest Centre for Geriatric Care ("Baycrest") and others
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License along with this
+ * program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ **/
+
+/* globals doAjaxCall, readDataPageURL, HLPR_readJSONfromFile */
+
+// //it contains all the points that have to be/have been displayed (it contains all the points from the read file);
+// //it is an array of arrays (each array contains the points for a certain line chart)
+var AG_allPoints = [];
+// it supplies the labels for x axis (time in milliseconds)
+var AG_time = [];
+//it is used for clearing timing events (the event that calls the drawGraph method after a specified time-interval)
+var t = null;
+//how many elements will be visible on the screen
+//computed on the server
+var AG_numberOfVisiblePoints = 0;
+//all the points that are visible on the screen at a certain moment; the points are read from the <code>AG_allPoints</code> array
+//and are translated with a value equal to [AG_translationStep * (AG_noOfLines - the index of the current line)]
+//THE FORM of this matrix is: [ [[t1, a1], [t2, a2], ...], [[t1, b1], [t2, b2], ...], ..., [[t1, n1], [t2, n2], ...]]
+// t1, t2, ... - represents time that is visible on the screen at a certain moment;
+// a1, a2,... - represents the translated values
+var AG_displayedPoints = [];
+//All the times values that are displayed at a certain moment. To be used by the vertical time line.
+var AG_displayedTimes = [];
+//the last element that was displayed on the screen is located at this index; the index refers to <code>AG_allPoints</code> array
+var AG_currentIndex = 0;
+//this var should be set to the length of the <code>AG_allPoints</code> array
+var AG_noOfLines = 0;
+// the step used for translating the drawn line charts; we translate the drawn line charts because we don't want them to overlap
+// the lines will be translated with <code>AG_translationStep * AG_computedStep</code>
+var AG_translationStep = 1;
+// a scaling factor for the displayed signal
+var AG_scaling = 1;
+// this var is computed on the server. It is used for line translation (<code>AG_translationStep * AG_computedStep</code>).
+var AG_computedStep = 50;
+//The normalization steps for each of the channels, in order to bring them centered near the channel bar
+var AG_normalizationSteps = [];
+//If the animation is paused using pause/start button
+var AG_isStopped = true;
+//If animation speed is set at a 0 value
+var AG_isSpeedZero = false;
+//the number of points that are shifted/unshift at a moment
+var noOfShiftedPoints = 1;
+// List of channels that will be submited on a change of the displayed channels
+var AG_submitableSelectedChannels = [];
+// contains the indexes of the channels that are displayed
+var displayedChannels = [];
+// a list of urls pointing to the files from where we should read the time
+var timeSetUrls = [];
+//a list containing the number of channel in each file specified in 'dataSetUrls' fields
+var noOfChannelsPerSet = [];
+// the number of points from the longest channel
+var maxChannelLength = 0;
+// the maximum number of data files from all the submited datatypes
+var maxDataFileIndex = 0;
+// represents the file index from the dataset that is displayed in the chart
+var currentDataFileIndex = 0;
+// contains the parsed data for the next file from the dataset
+var nextData = [];
+// contains the time for the next file from the dataset
+var nextTimeData = [];
+// <code>true</code> only if the next file from dataset was loaded into memory
+var isNextDataLoaded = false;
+// <code>true</code> only if the next time data was loaded into memory
+var isNextTimeDataLoaded = false;
+// <code>true</code> only if the the process of loading a file is started
+var AG_isLoadStarted = false;
+// this is the number of steps left before updating the next file
+var threshold = 10;
+// the amount of data that has passed
+var totalPassedData = 0;
+// the number of channels
+var totalNumberOfChannels = 0;
+// <code>true</code> only if any of the displayed channels contains NaN values
+var nanValueFound = false;
+//Channel prefix for each array of data
+var channelPrefix = "Channel: ";
+//
+var totalTimeLength = 0;
+//Default values for the x and y axis of the plot
+//NOTE: do not remove from the axis AG_options 'labelWidth' and 'labelHeight' because
+//this will slow down the animation
+var lbl_x_width = 100;
+var lbl_x_height = 30;
+var zoom_range = [0.1, 20];
+
+
+// the index of the cached file (the file that was loaded asynchronous)
+var cachedFileIndex = 0;
+//The displayed labels for the graph
+var chanDisplayLabels = [];
+// setup plot
+var AG_options = {
+    grid: {
+        backgroundColor: 'white',
+        hoverable: true,
+        clickable: true
+    },
+    points: {
+        show: false,
+        radius: 0.001
+    },
+    zoom: {
+        interactive: false
+    },
+    selection: {
+        mode: "xy"
+    },
+    legend: {
+        show: false
+    }
+};
+
+var DEFAULT_MAX_CHANNELS = 10;
+var plot = null;
+
+var followingLine = [];
+//The required position from which the following vertical time line will start moving with the array
+//Expressed as a number from [0, 1], 0 - start from begining, 1 start only at end
+var procentualLinePosition = 0.5;
+//The actual position in the graph of the following vertical line. Start from -speed to account for the initial translation.
+var currentLinePosition = 0;
+//The number of points used to display the vertical line.
+var numberOfPointsForVerticalLine = 1000;
+var isDoubleView = false;
+
+var AG_homeViewYValues = [];
+var AG_homeViewXValues = {zoomRange: zoom_range, labelWidth: lbl_x_width, labelHeight: lbl_x_height};
+//This will be set to true in the launch_viewer method called by burst small previews
+var isSmallPreview = false;
+
+var targetVerticalLinePosition;
+
+// The base url for calling any methods on a given datatype
+var baseDataURLS = [];
+var nrOfPagesSet = [];
+var dataPageSize = [];
+var tsModes = [0, 0, 0];
+var tsStates = [0, 0, 0];
+var longestChannelIndex = 0;
+
+// region selection component
+var AG_regionSelector = null;
+// State mode selector. Used as a global only in dual view
+var AG_modeSelector = null;
+
+
+// GID for the D3 viewer
+var filterGid = null;
+
+//timeseries viewer
+var ts = null;
+
+window.onresize = function () {
+    resizeToFillParent();
+};
+
+/**
+ * Animated graph entry point
+ */
+function AG_startAnimatedChart(ag_settings) {
+    isSmallPreview = false;
+    _AG_initGlobals(ag_settings);
+    _AG_initPaginationState(ag_settings.number_of_visible_points);
+    _AG_preStart();
+    drawSliderForAnimationSpeed();
+    _AG_init_selection(ag_settings.measurePointsSelectionGIDs);
+
+
+}
+
+function AG_startAnimatedChartPreview(ag_settings) {
+    isSmallPreview = true;
+    AG_isStopped = true;
+    _AG_initGlobals(ag_settings);
+    _AG_initPaginationState(ag_settings.number_of_visible_points);
+    _AG_preStart();
+
+    // Initialize AG_submitableSelectedChannels
+    // warning: Assumes channel values are a range
+    if (AG_submitableSelectedChannels.length === 0) {
+        // Viewer breaks if this is empty. Fill the first few channels
+        const defaultSelectionLength = Math.min(totalNumberOfChannels, DEFAULT_MAX_CHANNELS);
+        for (let i = 0; i < defaultSelectionLength; i++) {
+            AG_submitableSelectedChannels.push(i);
+        }
+    }
+
+    refreshChannels();
+}
+
+function AG_rePaginate(number_of_visible_points) {
+    _AG_initPaginationState(number_of_visible_points);
+    $('#display-page-size').html('' + number_of_visible_points);
+    refreshChannels();
+    if (isDoubleView) {
+        initActivityData();
+    }
+}
+
+/**
+ * Initialize global state. Part of the AG startup.
+ * @private
+ */
+function _AG_initGlobals(ag_settings) {
+    isDoubleView = ag_settings.extended_view;
+    // dataSetUrls = $.parseJSON(dataSetPaths);
+    baseDataURLS = ag_settings.baseURLS;
+    nrOfPagesSet = ag_settings.nrOfPages;
+    dataPageSize = ag_settings.pageSize;
+    chanDisplayLabels = ag_settings.channelLabels;
+    noOfChannelsPerSet = ag_settings.channelsPerSet;
+    timeSetUrls = ag_settings.timeSetPaths;
+    maxChannelLength = parseInt(ag_settings.pageSize);
+    AG_normalizationSteps = ag_settings.normalizedSteps;
+    setMaxDataFileIndex(nrOfPagesSet);
+    totalNumberOfChannels = ag_settings.noOfChannels;
+    totalTimeLength = ag_settings.totalLength;
+    nanValueFound = ag_settings.nan_value_found;
+    AG_computedStep = ag_settings.translationStep;
+
+}
+
+/**
+ * Initialize pagination. Part of AG startup.
+ * @private
+ */
+function _AG_initPaginationState(number_of_visible_points) {
+    AG_numberOfVisiblePoints = parseInt(number_of_visible_points);
+    if (AG_numberOfVisiblePoints > maxChannelLength) {
+        AG_numberOfVisiblePoints = maxChannelLength;
+    }
+    targetVerticalLinePosition = AG_numberOfVisiblePoints * procentualLinePosition;
+}
+
+/**
+ * Misc common startup logic. Part of AG startup
+ * @private
+ */
+function _AG_preStart() {
+    // resizeToFillParent();
+}
+
+/**
+ * Creates a selection component for each time series displayed by this eeg view
+ * Part of AG startup
+ * The order of the filterGids determines the order of the selectors
+ * It must have the same ordering as all other timeseries arrays
+ * @private
+ */
+function _AG_init_selection(filterGids) {
+    let i;
+    let selectors = [];
+
+    filterGid = filterGids;
+
+    /**
+     * Returns the selected channel indices as interpreted by AG_submitableSelectedChannels
+     * ( starting at 0 and ending at len(timeseries_0_channels) + ... + len(timeseries_final_channels) )
+     */
+    function getSelectedChannelsAsGlobalIndices() {
+        let all_selected = [];
+        let offset = 0;
+
+        for (let i = 0; i < selectors.length; i++) {
+            const selector = selectors[i];
+            const selected_in_current = selector.val();
+
+            for (let j = 0; j < selected_in_current.length; j++) {
+                all_selected.push(offset + parseInt(selected_in_current[j], 10));
+            }
+            offset += selector._allValues.length;
+        }
+        return all_selected;
+    }
+
+    // init selectors
+    let selectorId, selector;
+
+    for (i = 0; i < filterGids.length; i++) {
+        selectorId = "#channelSelector" + i;
+        selector = TVBUI.regionSelector(selectorId, {filterGid: filterGids[i]});
+        selector.change(function (current_selection) {
+            AG_submitableSelectedChannels = getSelectedChannelsAsGlobalIndices();
+            refreshChannels();
+        });
+        selectors.push(selector);
+    }
+    // the first selector is special. we select by default some channels in it and in case of a dual view
+    // his selection is synchronized with the brain
+    AG_regionSelector = selectors[0];
+
+    // Initialize AG_submitableSelectedChannels
+    AG_submitableSelectedChannels = getSelectedChannelsAsGlobalIndices();
+
+    if (AG_submitableSelectedChannels.length === 0) {
+        // Viewer breaks if this is empty. Fill the first few channels
+        const defaultSelectionLength = Math.min(totalNumberOfChannels, DEFAULT_MAX_CHANNELS);
+        // we take the values form the dom, a range(defaultSelectionLength) is not a valid selection if there are multiple time series
+        AG_submitableSelectedChannels = AG_regionSelector._allValues.slice(0, defaultSelectionLength);
+        AG_regionSelector.val(AG_submitableSelectedChannels);
+    }
+
+    // Init the mode selection components. Assumes that there are part of the selector dom
+    let modeSelectors = [];
+    for (i = 0; i < filterGids.length; i++) {
+        selectorId = "#channelSelector" + i;
+        selector = TVBUI.modeAndStateSelector(selectorId, i);
+        selector.modeChanged(_AG_changeMode);
+        selector.stateVariableChanged(_AG_changeStateVariable);
+        modeSelectors.push(selector);
+    }
+    // The dual view needs to subscribe to this selector; so we save it like AG_regionSelector
+    AG_modeSelector = modeSelectors[0];
+
+    refreshChannels();
+}
+
+/**
+ * Read speed from the dom
+ * @param defaultSpeed default speed when there is no speed slider
+ * @private
+ */
+function _AG_get_speed(defaultSpeed) {
+    let speed = defaultSpeed;
+    if (!isSmallPreview && !isDoubleView) {
+        speed = $("#ctrl-input-speed").slider("value");
+    }
+    return speed;
+}
+
+function refreshChannels() {
+    submitSelectedChannels(false);
+}
+
+function _AG_changeMode(tsIndex, val) {
+    tsModes[tsIndex] = parseInt(val);
+    refreshChannels();
+}
+
+function _AG_changeStateVariable(tsIndex, val) {
+    tsStates[tsIndex] = parseInt(val);
+    refreshChannels();
+}
+
+function _AG_getSelectedDataAndLongestChannelIndex(data) {
+    let offset = 0;
+    let selectedData = [];
+    let channelLengths = [];
+
+    for (let i = 0; i < data.length; i++) {
+        const selectedChannels = getDisplayedChannels(data[i], offset);
+        offset += data[i].length;
+        if (selectedChannels.length > 0) {
+            channelLengths.push(selectedChannels[0].length);
+        } else {
+            channelLengths.push(-1);
+        }
+        selectedData = selectedData.concat(selectedChannels);
+    }
+    const longestChannelIndex = channelLengths.indexOf(Math.max.apply(Math, channelLengths));
+    return {selectedData: selectedData, longestChannelIndex: longestChannelIndex}
+}
+
+/*
+ * Get required data for the channels in AG_submitableSelectedChannels. If none
+ * exist then just use the previous 'displayedChannels' (or default in case of first run).
+ */
+function submitSelectedChannels(isEndOfData) {
+    AG_currentIndex = AG_numberOfVisiblePoints;
+    if (AG_submitableSelectedChannels.length === 0) {
+        AG_submitableSelectedChannels = displayedChannels.slice();
+    }
+
+    if (!(isEndOfData && maxDataFileIndex === 0)) {
+        AG_allPoints = [];
+        displayedChannels = AG_submitableSelectedChannels.slice(0);
+        generateChannelColors(displayedChannels.length);
+
+        let results = [];
+        for (let i = 0; i < nrOfPagesSet.length; i++) {
+            const dataURL = readDataPageURL(baseDataURLS[i], 0, dataPageSize, tsStates[i], tsModes[i]);
+            const data = HLPR_readJSONfromFile(dataURL);
+            results.push(parseData(data, i));
+        }
+        const r = _AG_getSelectedDataAndLongestChannelIndex(results);
+        AG_allPoints = AG_allPoints.concat(r.selectedData);
+        longestChannelIndex = r.longestChannelIndex;
+
+        // keep data only for the selected channels
+        AG_noOfLines = AG_allPoints.length;
+    }
+
+    AG_displayedPoints = [];
+    AG_displayedTimes = [];
+    for (let ii = 0; ii < AG_noOfLines; ii++) {
+        AG_displayedPoints.push([]);
+    }
+
+    if (!(isEndOfData && maxDataFileIndex === 0)) {
+        //read time
+        readTimeData(0, false);
+        AG_time = nextTimeData.slice(0);
+    }
+    // reset data
+    nextData = [];
+    nextTimeData = [];
+    AG_isLoadStarted = false;
+    isNextDataLoaded = false;
+    isNextTimeDataLoaded = false;
+    currentDataFileIndex = 0;
+    totalPassedData = 0;
+    currentLinePosition = 0;
+    if (nanValueFound) {
+        displayMessage('The given data contains some NaN values. All the NaN values were replaced by zero.', 'warningMessage');
+    }
+
+
+    //create 2D plot
+    //The shape we use for time series now only uses 1D
+    var dataShape = [totalTimeLength, 1, AG_submitableSelectedChannels.length, 1];
+    var selectedLabels = []
+    for (let i = 0; i < AG_submitableSelectedChannels.length; i++) {
+        selectedLabels.push([chanDisplayLabels[displayedChannels[i]]]);
+    }
+    //use d3 to create 2D plot
+    ts = tv.plot.time_series();
+    ts.baseURL(baseDataURLS[0]).preview(false).mode(0).state_var(0);
+    ts.shape(dataShape).t0(AG_time[1] / 2).dt(AG_time[1]);
+    ts.labels(selectedLabels);
+    ts.channels(AG_submitableSelectedChannels);
+    ts.viewer_type('dualbrain');
+
+
+    resizeToFillParent(ts);
+    $('#time-series-viewer').empty();
+    ts(d3.select("#time-series-viewer"));
+    tsView = ts;
+
+    isnewDoubleView=true;
+
+
+    // This is arbitrarily set to a value. To be consistent with tsview we rescale relative to this value
+    _initial_magic_fcs_amp_scl = tsView.magic_fcs_amp_scl;
+
+    $("#ctrl-input-scale").slider({
+        value: 50, min: 0, max: 100,
+        slide: function (event, target) {
+            _updateScalingFromSlider(target.value);
+        }
+    });
+
+}
+
+function resizeToFillParent(ts) {
+    var container, width, height;
+
+    container = $('#eegSectionId').parent();
+    width = container.width();
+
+    //minus toolbar's height
+    height = container.height() - 60;
+
+    ts.w(width).h(height);
+
+}
+
+function _updateScalingFromSlider(value) {
+    if (value == null) {
+        value = $("#ctrl-input-scale").slider("value");
+    }
+    var expo_scale = (value - 50) / 50; // [1 .. -1]
+    var scale = Math.pow(10, expo_scale * 4); // [1000..-1000]
+    tsView.magic_fcs_amp_scl = _initial_magic_fcs_amp_scl * scale;
+    tsView.render_focus();
+
+    if (scale >= 1) {
+        $("#display-scale").html("1 * " + scale.toFixed(2));
+    } else {
+        $("#display-scale").html("1 / " + (1 / scale).toFixed(2));
+    }
+
+}
+
+
+var isEndOfData = false;
+var AG_channelColorsDict = {};
+var AG_reversedChannelColorsDict = {};
+
+/*
+ * Generate different colors for each channel.
+ */
+function generateChannelColors(nr_of_channels) {
+    AG_channelColorsDict = {};
+    AG_reversedChannelColorsDict = {};
+    let step = parseInt(255 / nr_of_channels);
+    for (let i = 0; i < nr_of_channels; i++) {
+        const color = "rgb(" + 250 * (i % 2) + "," + (200 - i * step) + "," + 220 * ((i + 1) % 2) + ")";
+        AG_channelColorsDict[color] = i;
+        AG_reversedChannelColorsDict[i] = color;
+    }
+}
+
+/**
+ * Translate the given value.
+ * We use this method to translate the values for the drawn line charts because we don't want them to overlap.
+ *
+ * @param value the value that should be translated.
+ * @param index the number of <code>AG_translationSteps</code> that should be used for translating the given value.
+ * @return {number}
+ */
+function AG_addTranslationStep(value, index) {
+    return value * AG_scaling - AG_normalizationSteps[displayedChannels[index]] + AG_translationStep * AG_computedStep * index;
+}
+
+/*
+ * Add all required data to AG_displayedPoints and AG_displayedTimes in order to center
+ * around indexInPage, if some of the required data is on the previous page.
+ */
+function addFromPreviousPage(indexInPage, currentPage) {
+
+    const previousPageUrl = readDataPageURL(baseDataURLS[0], (currentPage - 1) * dataPageSize, currentPage * dataPageSize, tsStates[0], tsModes[0]);
+    let previousData = parseData(HLPR_readJSONfromFile(previousPageUrl), 0);
+    previousData = getDisplayedChannels(previousData, 0).slice(0);
+    const previousTimeData = HLPR_readJSONfromFile(timeSetUrls[0][currentPage - 1]);
+    // Compute which slices we would need from the 'full' two-pages data.
+    // We only need the difference so to center indexInPage at AG_numberOfVisiblePoints / 2
+    let fromIdx, toIdx;
+    fromIdx = previousData[0].length - (AG_numberOfVisiblePoints / 2 - indexInPage);  // This is from where we need to read from previous data
+    AG_currentIndex = toIdx = AG_numberOfVisiblePoints - (AG_numberOfVisiblePoints / 2 - indexInPage); // This is where we need to add from the current page
+    // Just generate displayed point and displayed times now
+    for (let idx = 0; idx < previousData.length; idx++) {
+        let idy;
+        let oneLine = [];
+        // Push data that is from previos slice
+        for (idy = fromIdx; idy < previousData[0].length; idy++) {
+            oneLine.push([previousTimeData[idy], AG_addTranslationStep(previousData[idx][idy], idx)]);
+        }
+        // Now that that is from our current slice
+        for (idy = 0; idy < toIdx; idy++) {
+            oneLine.push([AG_time[idy], AG_addTranslationStep(AG_allPoints[idx][idy], idx)]);
+        }
+        AG_displayedPoints.push(oneLine);
+    }
+    AG_displayedTimes = previousTimeData.slice(fromIdx).concat(AG_time.slice(0, toIdx));
+    previousData = null;
+}
+
+/*
+ * Add all required data to AG_displayedPoints and AG_displayedTimes in order to center
+ * around indexInPage, if some of the required data is on the next page.
+ */
+function addFromNextPage(indexInPage, currentPage) {
+
+    const followingPageUrl = readDataPageURL(baseDataURLS[0], (currentPage + 1) * dataPageSize, (currentPage + 2) * dataPageSize, tsStates[0], tsModes[0]);
+    let followingData = parseData(HLPR_readJSONfromFile(followingPageUrl), 0);
+    followingData = getDisplayedChannels(followingData, 0).slice(0);
+    const followingTimeData = HLPR_readJSONfromFile(timeSetUrls[0][currentPage + 1]);
+    let fromIdx, toIdx;
+    fromIdx = indexInPage - (AG_numberOfVisiblePoints / 2);	// We need to read starting from here from the current page
+    AG_currentIndex = toIdx = fromIdx + AG_numberOfVisiblePoints - AG_allPoints[0].length;	// We need to read up to here from next page
+    for (let idx = 0; idx < AG_allPoints.length; idx++) {
+        let idy;
+        const oneLine = [];
+        // Push data that is from this slice
+        for (idy = fromIdx; idy < AG_allPoints[0].length; idy++) {
+            oneLine.push([AG_time[idy], AG_addTranslationStep(AG_allPoints[idx][idy], idx)]);
+        }
+        // Now that that is from next slice
+        for (idy = 0; idy < toIdx; idy++) {
+            oneLine.push([followingTimeData[idy], AG_addTranslationStep(followingData[idx][idy], idx)]);
+        }
+        AG_displayedPoints.push(oneLine);
+    }
+    AG_displayedTimes = AG_time.slice(fromIdx).concat(followingTimeData.slice(0, toIdx));
+    // Since next page is already loaded, that becomes the current page
+    AG_allPoints = followingData;
+    AG_time = followingTimeData;
+    totalPassedData = (currentPage + 1) * dataPageSize;
+    currentDataFileIndex = currentPage + 1;
+    isNextDataLoaded = true;
+    isNextTimeDataLoaded = true;
+}
+
+/*
+ * Just re-populate whole displayedPoints and displayedTimes given a start and end index.
+ */
+function prepareDisplayData(fromIdx, toIdx, pointsArray, timeArray) {
+
+    for (let idx = 0; idx < pointsArray.length; idx++) {
+        let oneLine = [];
+        for (let idy = fromIdx; idy < toIdx; idy++) {
+            oneLine.push([timeArray[idy], AG_addTranslationStep(pointsArray[idx][idy], idx)]);
+        }
+        AG_displayedPoints.push(oneLine);
+    }
+    AG_displayedTimes = timeArray.slice(fromIdx, toIdx)
+}
+
+/*
+ * Read the next data file asyncronously. Also get the corresponding time data file.
+ */
+function loadNextDataFile() {
+    AG_isLoadStarted = true;
+    const nx_idx = getNextDataFileIndex();
+    cachedFileIndex = nx_idx;
+    AG_readFileDataAsynchronous(nrOfPagesSet, noOfChannelsPerSet, nx_idx, maxChannelLength, 0);
+    readTimeData(nx_idx, true);
+}
+
+function changeCurrentDataFile() {
+    if (!isNextDataLoaded || !isNextTimeDataLoaded) {
+        return;
+    }
+
+    if (cachedFileIndex !== getNextDataFileIndex()) {
+        AG_isLoadStarted = false;
+        isNextDataLoaded = false;
+        isNextTimeDataLoaded = false;
+        nextData = [];
+        nextTimeData = [];
+        return;
+    }
+
+    const speed = _AG_get_speed(100);
+    const longestChannelLength = AG_allPoints[longestChannelIndex].length;
+
+    if (speed > 0) {
+        totalPassedData = totalPassedData + longestChannelLength;
+        if (longestChannelLength < AG_currentIndex) {
+            AG_currentIndex = -(longestChannelLength - AG_currentIndex);
+        } else {
+            AG_currentIndex = 0;
+        }
+    } else if (speed < 0) {
+        totalPassedData = totalPassedData - longestChannelLength;
+        if (totalPassedData < 0) {
+            totalPassedData = 0;
+        }
+    } else {
+        return;
+    }
+
+    AG_allPoints = nextData.slice(0);
+    nextData = [];
+    AG_time = nextTimeData.slice(0);
+    nextTimeData = [];
+    currentDataFileIndex = getNextDataFileIndex();
+    AG_isLoadStarted = false;
+    isNextDataLoaded = false;
+    isNextTimeDataLoaded = false;
+
+    if (speed < 0) {
+        AG_currentIndex = longestChannelLength + AG_currentIndex;
+    }
+}
+
+function shouldLoadNextDataFile() {
+    if (!AG_isLoadStarted && maxDataFileIndex > 0) {
+        const nextFileIndex = getNextDataFileIndex();
+        const speed = _AG_get_speed(1); // Assume left to right pass of data
+        if (currentDataFileIndex !== nextFileIndex) {
+            if ((speed > 0) && (maxChannelLength - AG_currentIndex < threshold * AG_numberOfVisiblePoints)) {
+                return true;
+            }
+            if ((speed < 0) && (AG_currentIndex - AG_numberOfVisiblePoints < threshold * AG_numberOfVisiblePoints)) {
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+/*
+ * In case of multiple arrays find out which has the most data files that need
+ * to be loaded.
+ */
+function setMaxDataFileIndex(nrOfPagesPerArray) {
+    let max_ln = 0;
+    for (let i = 0; i < nrOfPagesPerArray.length; i++) {
+        if (nrOfPagesPerArray[i] > max_ln) {
+            max_ln = nrOfPagesPerArray[i];
+        }
+    }
+    maxDataFileIndex = max_ln - 1;
+}
+
+/*
+ * Return the index of the next data file that should be loaded.
+ */
+function getNextDataFileIndex() {
+    let nextIndex;
+    const speed = _AG_get_speed(100);
+    if (speed > 0) {
+        nextIndex = currentDataFileIndex + 1;
+        if (nextIndex >= maxDataFileIndex) {
+            return maxDataFileIndex;
+        }
+    } else {
+        nextIndex = currentDataFileIndex - 1;
+        if (nextIndex <= 0) {
+            return 0;
+        }
+    }
+    return nextIndex;
+}
+
+function AG_readFileDataAsynchronous(nrOfPages, noOfChannelsPerSet, currentFileIndex, maxChannelLength, dataSetIndex) {
+    if (dataSetIndex >= nrOfPages.length) {
+        isNextDataLoaded = true;
+        // keep data only for the selected channels
+        const r = _AG_getSelectedDataAndLongestChannelIndex(nextData);
+        longestChannelIndex = r.longestChannelIndex;
+        nextData = r.selectedData; //todo: occasional shape mismatch 3d <- 2d
+        return;
+    }
+    if (nrOfPages[dataSetIndex] - 1 < currentFileIndex && AG_isLoadStarted) {
+        // todo: assumed that this is computing a padding for smaller signals. check if this is really the purpose of this
+        let j;
+        let padding = [];
+        let oneChannel = [];
+        for (j = 0; j < maxChannelLength; j++) {
+            oneChannel.push(0);
+        }
+        for (j = 0; j < noOfChannelsPerSet[dataSetIndex]; j++) {
+            padding.push(oneChannel);
+        }
+        nextData.push(padding);
+
+        AG_readFileDataAsynchronous(nrOfPages, noOfChannelsPerSet, currentFileIndex, maxChannelLength, dataSetIndex + 1);
+    } else {
+        doAjaxCall({
+            url: readDataPageURL(baseDataURLS[dataSetIndex], currentFileIndex * dataPageSize, (currentFileIndex + 1) * dataPageSize, tsStates[dataSetIndex], tsModes[dataSetIndex]),
+            success: function (data) {
+                if (AG_isLoadStarted) {
+                    data = $.parseJSON(data);
+                    const result = parseData(data, dataSetIndex);
+                    nextData.push(result);
+
+                    AG_readFileDataAsynchronous(nrOfPages, noOfChannelsPerSet, currentFileIndex, maxChannelLength, dataSetIndex + 1);
+                }
+            }
+        });
+    }
+}
+
+/*
+ * Data is received from the HLPR_parseJSON as a 500/74 array. We need to transform it
+ * into an 74/500 one and in the transformation also replace all NaN values.
+ */
+function parseData(dataArray, dataSetIndex) {
+
+    let result = [];
+    for (let i = 0; i < noOfChannelsPerSet[dataSetIndex]; i++) {
+        result.push([]);
+    }
+    for (let j = 0; j < dataArray.length; j++) {
+        for (let k = 0; k < noOfChannelsPerSet[dataSetIndex]; k++) {
+            let arrElem = dataArray[j][k];
+            if (arrElem === 'NaN') {
+                nanValueFound = true;
+                arrElem = 0;
+            }
+            result[k].push(arrElem);
+        }
+    }
+    return result;
+}
+
+/**
+ *
+ * @param fileIndex
+ * @param asyncRead <code>true</code> only if the file should be read asynchronous
+ */
+function readTimeData(fileIndex, asyncRead) {
+    if (timeSetUrls[longestChannelIndex].length <= fileIndex) {
+        nextTimeData = [];
+        for (let i = 0; i < maxChannelLength; i++) {
+            nextTimeData.push(totalPassedData + i);
+        }
+        isNextTimeDataLoaded = true;
+    } else {
+        if (asyncRead) {
+            doAjaxCall({
+                url: timeSetUrls[longestChannelIndex][fileIndex],
+                success: function (data) {
+                    nextTimeData = $.parseJSON(data);
+                    isNextTimeDataLoaded = true;
+                }
+            });
+        } else {
+            nextTimeData = HLPR_readJSONfromFile(timeSetUrls[longestChannelIndex][fileIndex]);
+            isNextTimeDataLoaded = true;
+        }
+    }
+}
+
+function getArrayFromDataFile(dataFile) {
+    let fileData = dataFile.replace(/\n/g, " ").replace(/\t/g, " ");
+    let arrayData = $.trim(fileData).split(" ");
+    for (let i = 0; i < arrayData.length; i++) {
+        arrayData[i] = parseFloat(arrayData[i]);
+    }
+    return arrayData;
+}
+
+function getDisplayedChannels(listOfAllChannels, offset) {
+    let selectedData = [];
+    for (let i = 0; i < displayedChannels.length; i++) {
+        if (listOfAllChannels[displayedChannels[i] - offset] !== undefined) {
+            selectedData.push(listOfAllChannels[displayedChannels[i] - offset].slice(0));
+        }
+    }
+    return selectedData;
+}
+
+//------------------------------------------------START SPEED RELATED CODE--------------------------------------------------------
+
+function drawSliderForAnimationSpeed() {
+    $("#ctrl-input-speed").slider({
+        orientation: 'horizontal',
+        value: 3,
+        min: -50,
+        max: 50,
+        change: function (event, ui) {
+            updateSpeedFactor();
+        }
+    });
+}
+
+function updateSpeedFactor() {
+    var speed = $("#ctrl-input-speed").slider("option", "value");
+    $('#display-speed').html('' + speed);
+    AG_isSpeedZero = (speed == 0);
+}
+
+//------------------------------------------------END SPEED RELATED CODE--------------------------------------------------------
+//------------------------------------------------START TIME SERIES TIME SELECTION RELATED CODE--------------------------------------------------------
+
+function intervalSet() {
+    var start = $('#SetIntervalStart').val();
+    var end = $('#SetIntervalEnd').val();
+    if (start>=0 && start < end) {
+        tsView.timeselection_interval_set(start, end);
+    }
+}
\ No newline at end of file
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/view.html b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/view.html
new file mode 100644
index 000000000..d960453b0
--- /dev/null
+++ b/tvb/interfaces/web/templates/genshi/visualizers/new_dual_brain/view.html
@@ -0,0 +1,33 @@
+<div xmlns:py="http://genshi.edgewall.org/" xmlns:xi="http://www.w3.org/2001/XInclude">
+
+    <script type="text/javascript">
+        $(document).ready(function () {
+            $("#main").addClass("colscheme-2-even brain-extended");
+            $("#eegSectionId").removeClass("view-column col-1");
+        });
+    </script>
+    <section class="view-column">
+        <xi:include href="${brainViewerTemplate}"/>
+    </section>
+
+    <section class="view-column">
+        <xi:include href="dual_brain_2d_view.html"/>
+    </section>
+
+    <!--!
+        These functions depend on globals created by the brain 3D and the 2D viewer
+        They do some synchronisation between the viewers.
+        Update channels
+    -->
+    <script type="text/javascript" py:if="not defined('isSEEG')">
+        $(document).ready(function () {
+            EX_initializeChannels();
+        });
+    </script>
+    <script type="text/javascript" py:if="defined('isSEEG')">
+        $(document).ready(function () {
+            EX_initializeChannelsForSensorsInternal();
+        });
+    </script>
+
+</div>
\ No newline at end of file
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/pearson_edge_bundle/view.html b/tvb/interfaces/web/templates/genshi/visualizers/pearson_edge_bundle/view.html
index cc3b3cc18..2702a6d27 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/pearson_edge_bundle/view.html
+++ b/tvb/interfaces/web/templates/genshi/visualizers/pearson_edge_bundle/view.html
@@ -1,7 +1,7 @@
 <div class="view-column" xmlns:py="http://genshi.edgewall.org/">
     <link rel="stylesheet" type="text/css" href="/static/style/subsection_svg.css"/>
 
-    <script type="text/javascript" src="/static/js/d3.v4.min.js"></script>
+    <script type="text/javascript" src="/static/js/d3.v5.min.js"></script>
     <script type="text/javascript" src="/static_view/commons/scripts/hierarchicalEdgeBundle.js?$currentVersionJS"></script>
     <script type="text/javascript" src="/static_view/pearson_edge_bundle/pearson_edge_bundle.js?$currentVersionJS"></script>
 
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/time_series/scripts/timeseriesSVG.js b/tvb/interfaces/web/templates/genshi/visualizers/time_series/scripts/timeseriesSVG.js
index 3eb552d33..08ad4f27f 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/time_series/scripts/timeseriesSVG.js
+++ b/tvb/interfaces/web/templates/genshi/visualizers/time_series/scripts/timeseriesSVG.js
@@ -129,6 +129,8 @@ function initTimeseriesViewer(baseURL, isPreview, dataShape, t0, dt, channelLabe
     ts.shape(dataShape).t0(t0).dt(dt);
     ts.labels(_compute_labels_for_current_selection());
     ts.channels(TS_SVG_selectedChannels);
+    //used in tvbviz to render context lines
+    ts.viewer_type('svg');
     // run
     resizeToFillParent(ts);
     ts(d3.select("#time-series-viewer"));
@@ -187,6 +189,7 @@ function refreshChannels() {
     new_ts.baseURL(tsView.baseURL()).preview(tsView.preview()).mode(tsView.mode()).state_var(tsView.state_var());
     new_ts.shape(shape).t0(tsView.t0()).dt(tsView.dt());
     new_ts.labels(selectedLabels);
+    new_ts.viewer_type('svg');
     // Usually the svg component shows the channels stored in TS_SVG_selectedChannels
     // and that variable is in sync with the selection component.
     // But if the selection is empty and we show a timeSeriesSurface
diff --git a/tvb/interfaces/web/templates/genshi/visualizers/time_series/view.html b/tvb/interfaces/web/templates/genshi/visualizers/time_series/view.html
index 26b87fae5..7d7e36805 100644
--- a/tvb/interfaces/web/templates/genshi/visualizers/time_series/view.html
+++ b/tvb/interfaces/web/templates/genshi/visualizers/time_series/view.html
@@ -1,5 +1,5 @@
 <div xmlns:xi="http://www.w3.org/2001/XInclude" xmlns:py="http://genshi.edgewall.org/">
-    <script type="text/javascript" src="/static/js/d3.v3.js"></script>
+    <script type="text/javascript" src="/static/js/d3.v5.min.js"></script>
     <script type="text/javascript" src="/static/js/tvbviz.js?$currentVersionJS"></script>
     <script type="text/javascript" src="/static_view/commons/scripts/regionSelector.js?$currentVersionJS"></script>
     <script type="text/javascript" src="/static_view/time_series/scripts/timeseriesSVG.js?$currentVersionJS"></script>