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<!doctype html> <html lang="en">
<!-- This is a generated file. Do not edit. -->
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<title>Faculty Fellows 2019 lightning talk</title>
<meta name="description" content="Slides for faculty fellows 2019 talk">
<meta name="author" content="Helena Mitasova">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="css/reveal.css">
<link rel="stylesheet" href="css/theme/ncsu-geoforall-lab.css" id="theme">
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<!-- If the query includes 'print-pdf', include the PDF print sheet -->
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<script>
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = window.location.search.match( /print-pdf/gi ) ? 'css/print/pdf.css' : 'css/print/paper.css';
document.getElementsByTagName( 'head' )[0].appendChild( link );
</script>
<!--[if lt IE 9]>
<script src="lib/js/html5shiv.js"></script>
<![endif]-->
</head>
<body>
<div class="reveal">
<!-- Any section element inside of this container is displayed as a slide -->
<div class="slides">
<section>
<!--<h4 style="color: #707070">AAS 2018</h4>-->
<h2 style="margin-top: 0.0em;color: #000">
Exploring changing landscapes with dynamic visualizations and tangible interaction
</h2>
<p>
<h3 style="color: #707070">Helena Mitasova</h3>
<!--<img height="50px" style="margin-top: 2em" src="img/cgaBlack.png">
<h5 style="color: #000">North Carolina State University</h5>-->
<p>
<!-- <img src="img/hofierka.jpg" height="120">-->
<img src="img/petrasova.jpg" height="150"> <img src="img/vpetras.jpg" height="150">
<img src="img/baharmon.jpg" height="150"> <img src="img/payam.jpg" height="150">
<img src="img/Justyna_Jeziorska.jpg" height="150">
</p>
<p>A. Petrasova, V. Petras, B. Harmon,
P. Tabrizian, J. Jeziorska
<p><img src="img/cgaBlack.png" height="40"> <img src="img/4x1white.jpg" height="25">
</section>
<!--
<section>
<h3>Jockey's Ridge 1974 - 2017: modeling and analysis from multitemporal lidar and UAS data </h3>
<p>
<img height="450" src="img/surfaces/jr_vegetation45_09.jpg">
<img height="450" src="img/surfaces/veglost98_07.jpg">
<img height="200" src="img/surfaces/jr_cut74_17.jpg">
</section>
-->
<section>
<h3>Jockey's Ridge 1974 - 2017: modeling and analysis from multitemporal lidar and UAS data </h3>
<p>
<img height="350" src="img/surfaces/JR_parkboundary.jpg">
<img height="450" src="img/surfaces/jr_74_17_anim3dlgfix.gif">
<img height="350" src="img/surfaces/uas_ortho_2016small.jpg">
</section>
<section >
<h3>Space-Time cube visualization: evolution of a 16m and 20m contour
is represented as isosurface</h3>
Contours capture the landform change but they are hard to read. DEM time series is stacked into space-time voxel model
and evolution along a contour is represented as isosurface
<br> <img height="350" src="img/surfaces/jr_74_2017_16mcontour.png">16m
<img height="350" src="img/surfaces/jr_74_2017_20mcontour.jpg">20m
<img height="420" src="img/surfaces/jr16/animation.gif">
<!--<img src="img/jr18/animation.gif"> -->
<img height="420" src="img/surfaces/jr20/animation.gif">
</section>
<!--
<section>
<h3>Peak elevation change </h3>
<ul>
<li>linear trend in loss of peak elevation at 0.3 m/yr, from 43 m to 20 m
<li>accelerating horizontal migration from 3 m/yr to 6 m/yr
</ul>
<p>
<img height="200" src="img/surfaces/peakregression_1950_2017.png">
<img height="200" src="img/surfaces/peakregression_1995_2017.png">
</section>
-->
<section>
<h3>Jockey's Ridge story: The 43 m high dune was a transient landform, transitioned between forest and active dunes over the past 2000 years</h3>
<p><img height="300" src="img/surfaces/jr_peakchange.jpg">
<img height="300" src="img/surfaces/JR_photosevol_17_50_08.jpg">
<img height="250" src="img/surfaces/Kittytrees1900.jpg">
<img height="250" src="img/surfaces/JR_2017_burriedtrees.jpg">
<img height="250" src="img/surfaces/buldoz1_s.jpg">
<br><small>Dune in early 1900 and in 2008, 2016</small>
</section>
<section>
<h3>Modeling surface water flow at high resolutions using lidar and UAS acquired data</h3>
<p>Challenging problem: complex, noisy surfaces, many real nested depressions. Monte Carlo path sampling: robust stochastic method based on duality of particles and fields.
<p>
<img height="380" src="img/surfaces/fanimhhcolp.gif">
<img height="380" src="img/surfaces/fanimwalk.gif">
<img height="380" src="img/surfaces/carywater_ortho_lg.jpg">
<img height="380" src="img/surfaces/water_stormdrains_zoom.jpg">
<img height="380" src="img/surfaces/uas_03_depth.gif">
</section>
<section>
<h3>Vegetation structure from multiple return lidar: Generalized Fragmentation Index derived from 3D grid point counts, slicing through fragmentation index voxel model</h3>
<p>
<img height="380" src="img/surfaces/profiles_points_and_ff.png">
<img height="420" src="img/surfaces/voxels_vegetation_anim.gif">
<p>
<small>Petras, V., D. J. Newcomb, and H. Mitasova. 2017. Generalized 3D fragmentation index derived from lidar point clouds. In: Open Geospatial Data, Software and Standards 2(9). DOI 10.1186/s40965-017-0021-8 </small>
</section>
<section>
<h3>Urban topography: Solar radiation during summer and winter solstice, Centennial Campus, derived
from lidar-based 0.5 m resolution DSM</h3>
<p>
<img height="450" src="img/surfaces/summer_solstice_centennial.gif">
<img height="450" src="img/surfaces/winter_solstice_centennial.gif">
</section>
<section>
<h3>Urban topography: updating lidar-based DSM using rapid mapping with UAS</h3>
<p>
<img height="400" src="img/surfaces/CC_uas2018_full3D.jpg">
<img height="400" src="img/surfaces/centennial_uasupdate.gif">
<img height="400" src="img/surfaces/apex_dsm_ortho.png">
<img height="400" src="img/surfaces/uas_lidar_update.gif">
</section>
<section>
<h3>Tangible Landscape: Bringing people together around GIS, designed to make working with geospatial data and simulations engaging, and fun</h3>
<p>
<img height=450 src="img/surfaces/rendered_diagram_2.png">
<iframe data-autoplay width="20%" height="420" src="https://www.youtube.com/embed/Cd3cCQTGer4?rel=0&showinfo=0&loop=1&playlist=Cd3cCQTGer4" frameborder="0" allowfullscreen></iframe>
<img height="420" src="img/surfaces/tl_interactions_all.jpg">
<img height="400" src="img/surfaces/process4.png">
<img height="400" src="img/surfaces/process7.png">
</section>
<section>
<h3>Tangible Landscape for communities: Storm surge protection game and actual flooding after Florence</h3>
<p>
<img height="400px" src="img/surfaces/anim_storsurge.gif">
<img height="400px" src="img/surfaces/bhigames_composite.jpg">
<img height="400px" src="img/surfaces/Florence_flooding_BHedit.jpg">
<p>
Petrasova, A. et al. (2018). Tangible Modeling with Open Source GIS. Second edition. Springer International Publishing.
<a href="https://doi.org/10.1007/978-3-319-89303-7">https://doi.org/10.1007/978-3-319-89303-7</a>
</section>
<!--<img height="220px" src="img/surfaces/BHIpostflorenceedit.jpg">-->
<section>
<h3>Open Science: Developing open source software and contributing to OSGeo projects</h3>
<p>GRASS GIS <a href="https://grass.osgeo.org/">https://grass.osgeo.org/</a>,
Tangible Landscape <a href="https://tangible-landscape.github.io">tangible-landscape.github.io</a>
<p>Open access educational material:
<a href="https://geospatial.ncsu.edu/geoforall/courses.html">https://geospatial.ncsu.edu/geoforall/courses.html</a>
<p><img height="320" src="img/surfaces/geovizlab_people2018.jpg">
<iframe data-autoplay width="700" height="350" src="https://www.youtube.com/embed/Uje8ORyhBaQ?rel=0&showinfo=0&loop=1&playlist=Uje8ORyhBaQ" frameborder="0" allowfullscreen></iframe>
</section>
<!--
<section>
<h3>Thank You!</h3>
<p>
<p>Tangible Landscape website:
<a href="tangible-landscape.github.io">tangible-landscape.github.io</a>
<br>TL wiki: github.com/tangible-landscape/grass-tangible-landscape/wiki
<br><a href="https://geospatial.ncsu.edu/geoforall/publications.html">NCSU GeoForAll Lab</a>
</section>
-->
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