A heat map is a graphical representation of data where the individual values contained in a matrix are represented as colors

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4
votes
2answers
1k views

Can a Fusion Tables Heatmap be used in Google Earth?

From the Fusion Tables web interface there's an option to view a heatmap, which draws on top of Google Maps. From the Fusion Tables map view there's an option to Export To KML, which allows the ...
11
votes
3answers
4k views

How could I turn my data into a heatmap / intensity map?

I have database that tracks a large number of entities. Each entity has a 'coverage area' or 'catchment area' - a radius in miles from a specified UK postcode, eg Leyton office 4.3m E11 4LL ...
52
votes
5answers
21k views

How to build effective heat-maps?

Using ArcGIS, QuantumGIS, Grass, and/or GVSIG What are some of the tools and processes involved in building effective heat maps? What are the plugins involved? What are the major data requirements? ...