SpatialDataScience/presentations/PS_12.html at master · learner-python-R/SpatialDataScience

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<body>

<h1 class="title">Dynamic Visualization</h1>

</section>

<section><section id="logistics" class="title-slide slide level1"><h1>Logistics</h1></section></section>

<section><section id="html-visualization" class="title-slide slide level1"><h1>HTML Visualization</h1></section><section id="datatables" class="slide level2">

<h2>DataTables</h2>

<p><a href="http://rstudio.github.io/DT/">DataTables</a> display R data frames as interactive HTML tables (with filtering, pagination, sorting, and search). This is a great way to make your raw data browsable without using too much space.</p>

<div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" data-line-number="1"><span class="kw">library</span>(widgetframe)</a>

<a class="sourceLine" id="cb1-2" data-line-number="2"><span class="kw">library</span>(DT)</a>

<a class="sourceLine" id="cb1-3" data-line-number="3"><span class="kw">datatable</span>(iris, <span class="dt">options =</span> <span class="kw">list</span>(<span class="dt">pageLength =</span> <span class="dv">5</span>))</a></code></pre></div>

</section><section id="rbokeh" class="slide level2">

<h2>rbokeh</h2>

<p>Interface to the <a href="http://hafen.github.io/rbokeh">Bokeh</a> library for making interactive graphics.</p>

<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" data-line-number="1"><span class="kw">library</span>(rbokeh)</a>

<a class="sourceLine" id="cb2-2" data-line-number="2"><span class="kw">figure</span>(<span class="dt">width =</span> <span class="dv">800</span>, <span class="dt">height=</span><span class="dv">400</span>) <span class="op">%>%</span></a>

<a class="sourceLine" id="cb2-3" data-line-number="3"><span class="st"> </span><span class="kw">ly_points</span>(Sepal.Length, Sepal.Width, <span class="dt">data =</span> iris,</a>

<a class="sourceLine" id="cb2-4" data-line-number="4"> <span class="dt">color =</span> Species, <span class="dt">glyph =</span> Species,</a>

<a class="sourceLine" id="cb2-5" data-line-number="5"> <span class="dt">hover =</span> <span class="kw">list</span>(Sepal.Length, Sepal.Width))</a></code></pre></div>

</section><section id="leaflet" class="slide level2">

<h2>Leaflet</h2>

<p><a href="http://rstudio.github.io/leaflet/">Leaflet</a> is a really powerful JavaScript library for creating dynamic maps that support panning and zooming along with various annotations like markers, polygons, and popups.</p>

<div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" data-line-number="1"><span class="kw">library</span>(leaflet)</a>

<a class="sourceLine" id="cb3-2" data-line-number="2"><span class="kw">library</span>(ggmap)</a>

<a class="sourceLine" id="cb3-3" data-line-number="3"><span class="kw">geocode</span>(<span class="st">"Buffalo, NY"</span>, <span class="dt">source =</span> <span class="st">"dsk"</span>)</a></code></pre></div>

<pre><code>## lon lat

## 1 -78.88642 42.89606</code></pre>

<div class="sourceCode" id="cb5"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb5-1" data-line-number="1">m <-<span class="st"> </span><span class="kw">leaflet</span>() <span class="op">%>%</span><span class="st"> </span><span class="kw">setView</span>(<span class="dt">lng =</span> <span class="fl">-78.88642</span>, <span class="dt">lat =</span> <span class="fl">42.89606</span>, <span class="dt">zoom =</span> <span class="dv">12</span>) <span class="op">%>%</span><span class="st"> </span><span class="kw">addTiles</span>()</a></code></pre></div>

</section><section class="slide level2">

</section><section id="dygraphs" class="slide level2">

<h2>dygraphs</h2>

<p>Provides rich facilities for charting time-series data in R, including highly configurable series- and axis-display and interactive features like zoom/pan and series/point highlighting.</p>

<div class="sourceCode" id="cb6"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb6-1" data-line-number="1"><span class="kw">library</span>(dygraphs)</a>

<a class="sourceLine" id="cb6-2" data-line-number="2">dy1=<span class="kw">dygraph</span>(nhtemp, <span class="dt">main =</span> <span class="st">"New Haven Temperatures"</span>,<span class="dt">height =</span> <span class="dv">75</span>) <span class="op">%>%</span><span class="st"> </span></a>

<a class="sourceLine" id="cb6-3" data-line-number="3"><span class="st"> </span><span class="kw">dyRangeSelector</span>(<span class="dt">dateWindow =</span> <span class="kw">c</span>(<span class="st">"1920-01-01"</span>, <span class="st">"1960-01-01"</span>))</a></code></pre></div>

</section><section class="slide level2">

</section><section id="rthreejs" class="slide level2">

<h2>rthreejs</h2>

<p>Create interactive 3D scatter plots, network plots, and globes using the <a href="https://threejs.org">‘three.js’ visualization library</a>.</p>

<div class="sourceCode" id="cb7"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb7-1" data-line-number="1"><span class="co">#devtools::install_github("bwlewis/rthreejs")</span></a>

<a class="sourceLine" id="cb7-2" data-line-number="2"><span class="kw">library</span>(threejs)</a>

<a class="sourceLine" id="cb7-6" data-line-number="6">js3=<span class="kw">scatterplot3js</span>(x, y, z, <span class="dt">color=</span><span class="kw">rainbow</span>(<span class="kw">length</span>(z)))</a></code></pre></div>

</section><section class="slide level2">

</section><section id="networkd3" class="slide level2">

<h2>networkD3</h2>

<p>Creates ‘D3’ ‘JavaScript’ network, tree, dendrogram, and Sankey graphs from ‘R’.</p>

<div class="sourceCode" id="cb8"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb8-1" data-line-number="1"><span class="kw">library</span>(igraph)</a>

<a class="sourceLine" id="cb8-2" data-line-number="2"><span class="kw">library</span>(networkD3)</a></code></pre></div>

</section><section id="load-example-network" class="slide level2">

<h2>Load example network</h2>

<p>This loads an example social network of friendships between 34 members of a karate club at a US university in the 1970s. See W. W. Zachary, An information flow model for conflict and fission in small groups, Journal of Anthropological Research 33, 452-473 (1977).</p>

<div class="sourceCode" id="cb9"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb9-1" data-line-number="1">karate <-<span class="st"> </span><span class="kw">make_graph</span>(<span class="st">"Zachary"</span>)</a>

<a class="sourceLine" id="cb9-2" data-line-number="2">wc <-<span class="st"> </span><span class="kw">cluster_walktrap</span>(karate)</a>

<a class="sourceLine" id="cb9-3" data-line-number="3">members <-<span class="st"> </span><span class="kw">membership</span>(wc)</a>

<a class="sourceLine" id="cb9-5" data-line-number="5"><span class="co"># Convert to object suitable for networkD3</span></a>

<a class="sourceLine" id="cb9-6" data-line-number="6">karate_d3 <-<span class="st"> </span><span class="kw">igraph_to_networkD3</span>(karate, <span class="dt">group =</span> members)</a>

<a class="sourceLine" id="cb9-8" data-line-number="8">n3d=<span class="kw">forceNetwork</span>(<span class="dt">Links =</span> karate_d3<span class="op">$</span>links, <span class="dt">Nodes =</span> karate_d3<span class="op">$</span>nodes,</a>

<a class="sourceLine" id="cb9-9" data-line-number="9"> <span class="dt">Source =</span> <span class="st">'source'</span>, <span class="dt">Target =</span> <span class="st">'target'</span>, <span class="dt">NodeID =</span> <span class="st">'name'</span>,</a>

<a class="sourceLine" id="cb9-10" data-line-number="10"> <span class="dt">Group =</span> <span class="st">'group'</span>)</a></code></pre></div>

</section><section id="force-directed-network-plot" class="slide level2">

<h2>Force directed network plot</h2>

</section><section id="sankey-network-graph" class="slide level2">

<h2>Sankey Network graph</h2>

<p>Sankey diagrams are flow diagrams in which the width of the arrows is shown proportionally to the flow quantity.</p>

<div class="sourceCode" id="cb10"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb10-1" data-line-number="1"><span class="co"># Load energy projection data</span></a>

<a class="sourceLine" id="cb10-2" data-line-number="2"><span class="kw">library</span>(jsonlite)</a>

<a class="sourceLine" id="cb10-3" data-line-number="3">URL <-<span class="st"> </span><span class="kw">paste0</span>(</a>

<a class="sourceLine" id="cb10-4" data-line-number="4"> <span class="st">"https://cdn.rawgit.com/christophergandrud/networkD3/"</span>,</a>

<a class="sourceLine" id="cb10-5" data-line-number="5"> <span class="st">"master/JSONdata/energy.json"</span>)</a>

<a class="sourceLine" id="cb10-6" data-line-number="6">Energy <-<span class="st"> </span><span class="kw">fromJSON</span>(URL)</a>

<a class="sourceLine" id="cb10-8" data-line-number="8">sn1=<span class="kw">sankeyNetwork</span>(<span class="dt">Links =</span> Energy<span class="op">$</span>links, <span class="dt">Nodes =</span> Energy<span class="op">$</span>nodes, <span class="dt">Source =</span> <span class="st">"source"</span>,</a>

<a class="sourceLine" id="cb10-9" data-line-number="9"> <span class="dt">Target =</span> <span class="st">"target"</span>, <span class="dt">Value =</span> <span class="st">"value"</span>, <span class="dt">NodeID =</span> <span class="st">"name"</span>,</a>

<a class="sourceLine" id="cb10-10" data-line-number="10"> <span class="dt">units =</span> <span class="st">"TWh"</span>, <span class="dt">fontSize =</span> <span class="dv">12</span>, <span class="dt">nodeWidth =</span> <span class="dv">30</span>)</a></code></pre></div>

</section><section class="slide level2">

</section><section id="radial-network" class="slide level2">

<h2>Radial Network</h2>

<div class="sourceCode" id="cb11"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb11-1" data-line-number="1">URL <-<span class="st"> </span><span class="kw">paste0</span>(</a>

<a class="sourceLine" id="cb11-2" data-line-number="2"> <span class="st">"https://cdn.rawgit.com/christophergandrud/networkD3/"</span>,</a>

<a class="sourceLine" id="cb11-3" data-line-number="3"> <span class="st">"master/JSONdata//flare.json"</span>)</a>

<a class="sourceLine" id="cb11-4" data-line-number="4">## Convert to list format</a>

<a class="sourceLine" id="cb11-5" data-line-number="5">Flare <-<span class="st"> </span>jsonlite<span class="op">::</span><span class="kw">fromJSON</span>(URL, <span class="dt">simplifyDataFrame =</span> <span class="ot">FALSE</span>)</a>

<a class="sourceLine" id="cb11-6" data-line-number="6"><span class="co"># Use subset of data for more readable diagram</span></a>

<a class="sourceLine" id="cb11-7" data-line-number="7">Flare<span class="op">$</span>children =<span class="st"> </span>Flare<span class="op">$</span>children[<span class="dv">1</span><span class="op">:</span><span class="dv">3</span>]</a>

<a class="sourceLine" id="cb11-9" data-line-number="9">rn1=<span class="kw">radialNetwork</span>(<span class="dt">List =</span> Flare, <span class="dt">fontSize =</span> <span class="dv">10</span>, <span class="dt">opacity =</span> <span class="fl">0.9</span>, <span class="dt">height =</span> <span class="dv">400</span>, <span class="dt">width=</span><span class="dv">400</span>)</a></code></pre></div>

</section><section class="slide level2">

<div class="sourceCode" id="cb12"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb12-1" data-line-number="1"><span class="kw">frameWidget</span>(rn1,<span class="dt">height =</span><span class="dv">500</span>)</a></code></pre></div>

</section><section id="diagonal-network" class="slide level2">

<h2>Diagonal Network</h2>

<div class="sourceCode" id="cb13"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb13-1" data-line-number="1">dn1=<span class="kw">diagonalNetwork</span>(<span class="dt">List =</span> Flare, <span class="dt">fontSize =</span> <span class="dv">10</span>, </a>

<a class="sourceLine" id="cb13-2" data-line-number="2"> <span class="dt">opacity =</span> <span class="fl">0.9</span>, <span class="dt">height =</span> <span class="dv">400</span>, <span class="dt">width=</span><span class="dv">400</span>)</a>

<a class="sourceLine" id="cb13-4" data-line-number="4"><span class="kw">frameWidget</span>(dn1,<span class="dt">height =</span><span class="dv">500</span>)</a></code></pre></div>

</section><section id="other-d3-visualizations" class="slide level2">

<h2>Other D3 Visualizations</h2>

<p><a href="https://github.com/d3/d3/wiki/Gallery" class="uri">https://github.com/d3/d3/wiki/Gallery</a> <img data-src="PS_12/D3_examples.png" /></p>

</section><section id="rglwidget" class="slide level2">

<h2>rglwidget</h2>

<p>RGL provides 3D interactive graphics, including functions modelled on base graphics (<code>plot3d()</code>, etc.) as well as functions for constructing representations of geometric objects (<code>cube3d()</code>, etc.). You may need to install <a href="https://www.xquartz.org/">XQuartz</a>.</p>

<div class="sourceCode" id="cb14"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb14-1" data-line-number="1"><span class="kw">library</span>(rgl)</a>

<a class="sourceLine" id="cb14-2" data-line-number="2"><span class="kw">library</span>(htmltools)</a>

<a class="sourceLine" id="cb14-4" data-line-number="4">theta <-<span class="st"> </span><span class="kw">seq</span>(<span class="dv">0</span>, <span class="dv">6</span><span class="op">*</span>pi, <span class="dt">len=</span><span class="dv">100</span>)</a>

<a class="sourceLine" id="cb14-5" data-line-number="5">xyz <-<span class="st"> </span><span class="kw">cbind</span>(<span class="kw">sin</span>(theta), <span class="kw">cos</span>(theta), theta)</a>

<a class="sourceLine" id="cb14-6" data-line-number="6">lineid <-<span class="st"> </span><span class="kw">plot3d</span>(xyz, <span class="dt">type=</span><span class="st">"l"</span>, <span class="dt">alpha =</span> <span class="dv">1</span><span class="op">:</span><span class="dv">0</span>, </a>

</section><section id="animate-an-interactive-3d-process" class="slide level2">

<h2>Animate an interactive 3D process</h2>

<div class="sourceCode" id="cb15"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb15-1" data-line-number="1">rg1=<span class="kw">browsable</span>(<span class="kw">tagList</span>(</a>

<a class="sourceLine" id="cb15-2" data-line-number="2"> <span class="kw">rglwidget</span>(<span class="dt">elementId =</span> <span class="st">"example"</span>, <span class="dt">width =</span> <span class="dv">800</span>, <span class="dt">height =</span> <span class="dv">600</span>,</a>

<a class="sourceLine" id="cb15-3" data-line-number="3"> <span class="dt">controllers =</span> <span class="st">"player"</span>),</a>

<a class="sourceLine" id="cb15-4" data-line-number="4"> <span class="kw">playwidget</span>(<span class="st">"example"</span>, </a>

<a class="sourceLine" id="cb15-5" data-line-number="5"> <span class="kw">ageControl</span>(<span class="dt">births =</span> theta, <span class="dt">ages =</span> <span class="kw">c</span>(<span class="dv">0</span>, <span class="dv">0</span>, <span class="dv">1</span>),</a>

<a class="sourceLine" id="cb15-6" data-line-number="6"> <span class="dt">objids =</span> lineid, <span class="dt">alpha =</span> <span class="kw">c</span>(<span class="dv">0</span>, <span class="dv">1</span>, <span class="dv">0</span>)),</a>

<a class="sourceLine" id="cb15-7" data-line-number="7"> <span class="dt">start =</span> <span class="dv">1</span>, <span class="dt">stop =</span> <span class="dv">6</span><span class="op">*</span>pi, <span class="dt">step =</span> <span class="fl">0.1</span>, </a>

<a class="sourceLine" id="cb15-8" data-line-number="8"> <span class="dt">rate =</span> <span class="dv">6</span>,<span class="dt">elementId =</span> <span class="st">"player"</span>)</a>

</section><section class="slide level2">

</iframe>

</section></section>

<section><section id="final-projects" class="title-slide slide level1"><h1>Final Projects</h1></section><section id="interactive-elements" class="slide level2">

<h2>Interactive elements</h2>

<p>Consider embedding interactive elements in your site.</p>

</section></section>

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