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Make a Heatmap with JS

Make a Heatmap with JS. Bernard O’Leary. WTF is a Heatmap ?. 3D data visualisation. Dots on 2D surface. 3 rd dimension is the dot’s “temperature”. Hot (high end) = red. Cold (low end) = blue. Resources (For “Actual” Maps).

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Make a Heatmap with JS

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  1. Make a Heatmap with JS Bernard O’Leary

  2. WTF is a Heatmap? • 3D data visualisation. • Dots on 2D surface. • 3rd dimension is the dot’s “temperature”. • Hot (high end) = red. • Cold (low end) = blue.

  3. Resources (For “Actual” Maps) • BjoernHoehrmann: http://www.websitedev.de/temp/openlayers-heatmap-layer.html • Patrick Wied (Heatmap.js): http://www.patrick-wied.at/static/heatmapjs/ • Google Fusion Tables: https://developers.google.com/maps/documentation/javascript/examples/layer-fusiontables-heatmap • WebGL: http://badassjs.com/post/42283655307/using-webgl-for-high-performance-javascript-heatmaps, https://github.com/pyalot/webgl-heatmap

  4. NZ Census Data: Case Study 1 • Fusion Tables: http://www.timemirror.com/mix/index.html

  5. NZ Census Data: Case Study 2 • BjoernHoehrmann’s JS file: http://www.hotmash.info/

  6. Thanks! bernard dot oleary at gmail dot com

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