Great Example of Using Overlays and Heat Maps in Microsoft Bing Maps

Anthony Marshall
Anthony Marshall
22 Oct 2009
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At Earthware we are always on the lookout for Microsoft Bing Maps (formally Microsoft Virtual Earth) implementations that use mapping to display useful information in a really intuitive way.  We are especially keen to see overlays (or heat maps) being used in Bing Maps.
We came across a good example the other day that uses Bing Maps to plot crime statistics for the UK. Please take a look at
Our view is that the interface is simple enough and we like the subtle use of a gun sight for showing you where the centre of the map is. If we had any suggestions it might be that the polygons can get a bit ropey at the lowest zoom levels and the use of shaded grey rather than two tones is not as visually differentiated as it could be. We might also suggest adding the ability to see crime statistics for neighbouring counties when you are close to a border.
However, great idea, nicely implemented - congratulations to those involved in the project.
As always, if you are reading this article and are interested in creating heat maps in any mapping API (Bing Maps, Silverlight, Google Maps, Multimap, MapPoint etc.) or just want to see how you could use interactive mapping to display your information then please drop me a line at

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