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clip a heat map

ron_horne

Super User

Joined:

Jun 23, 2011

hi all,

I was just wondering if there is a way of "clipping" a "heat map" (contours / density) in graph builder in order to show the heat levels only within a polygon such as in this example:

http://www.british-towns.net/weather/uk-annual-rainfall

otherwise, the heat map "spillover" to the sea...

Thanks!

Ron