Python script for generating high quality heatmaps based on any coordinate data (GPS tracks, eye tra...
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There are a few kinds of heat maps. This program is for when you have data points, each with a pair of orthogonal coordinates (X/Y, lat-lon) and you want to plot them on a map such that they blob together a bit to indicate density.
So, it's good for things like:
It's not good for:
So... why use a slow data visualizer that doesn't run in a browser? Because the output looks better.
There's another kind of heatmap, also called a choropleth map, in which you divide your map into regions and color each region to indicate something. This tool is not for that.
A more thorough description and examples are posted at http://sethoscope.net/heatmap/
As of version 1.13 (April 2017), the method of specifying input files has changed. The old way will continue to be supported for at least one year, but the new way is nicer. Read this tutorial for examples and help on switching to the new way.