links for 2009-03-13

  • "In the GIS world heat maps are a graphical representation of point data on a map through the use of colors that indicate the density of some variable such as crime incidents or traffic accidents. Heat maps let users quickly visualize the density of locations. Being able to understand the density of point locations makes it much easier to see patterns in your data, especially when using colors. In this post we’re going to examine the HeatMapAPI, a JavaScript API for creating heat maps in Google Maps."