http://simonwillison.net/2009-11-01T13:20:05+00:00Simon Willison2009-11-01T13:20:05+00:002009-11-01T13:20:05+00:00https://simonwillison.net/2009/Nov/1/cartographerjs/#atom-tag

<p><strong><a href="http://cartographer.visualmotive.com/">Cartographer.js</a></strong></p> “Thematic mapping for Google Maps”—which means an easy way of adding heat maps (aka chloropleths), pie charts and point clusters as a layer over a Google map. <p>Tags: <a href="https://simonwillison.net/tags/catography">catography</a>, <a href="https://simonwillison.net/tags/chloropleths">chloropleths</a>, <a href="https://simonwillison.net/tags/google">google</a>, <a href="https://simonwillison.net/tags/google-maps">google-maps</a>, <a href="https://simonwillison.net/tags/graphs">graphs</a>, <a href="https://simonwillison.net/tags/heatmaps">heatmaps</a>, <a href="https://simonwillison.net/tags/infographics">infographics</a>, <a href="https://simonwillison.net/tags/mapping">mapping</a>, <a href="https://simonwillison.net/tags/maps">maps</a>, <a href="https://simonwillison.net/tags/piecharts">piecharts</a>, <a href="https://simonwillison.net/tags/visualisation">visualisation</a></p>

2008-12-30T10:16:25+00:002008-12-30T10:16:25+00:00https://simonwillison.net/2008/Dec/30/oakland/#atom-tag

<p><strong><a href="http://mike.teczno.com/notes/oakland-crime-maps/XI.html">Oakland crime maps XI: how close, and how bad?</a></strong></p> Michal Migurski’s experiments with heat maps for Oakland Crimespotting, using OpenStreetMap data as that allows him to position his heat map layer underneath the street labels, keeping them legible. <p>Tags: <a href="https://simonwillison.net/tags/heatmaps">heatmaps</a>, <a href="https://simonwillison.net/tags/mapping">mapping</a>, <a href="https://simonwillison.net/tags/michal-migurski">michal-migurski</a>, <a href="https://simonwillison.net/tags/oaklandcrimespotting">oaklandcrimespotting</a>, <a href="https://simonwillison.net/tags/openstreetmap">openstreetmap</a></p>

2008-07-19T23:46:34+00:002008-07-19T23:46:34+00:00https://simonwillison.net/2008/Jul/19/heatmapapi/#atom-tag

<p><strong><a href="http://www.heatmapapi.com/">HeatMapAPI</a></strong></p> Cool (or should that be hot?) API for adding heat maps to any Google Maps application. <p><small></small>Via <a href="http://jeffreybarke.net/2008/07/density-map-tutorial/">Jeffrey Barke</a></small></p> <p>Tags: <a href="https://simonwillison.net/tags/google-maps">google-maps</a>, <a href="https://simonwillison.net/tags/heatmaps">heatmaps</a>, <a href="https://simonwillison.net/tags/mapping">mapping</a></p>