I am using Arc 10.0........ I have 2 files... a raster made from a Polyline shapefile and a masked area from a polygon... [ATTACH=CONFIG]15077[/ATTACH] I am trying to use Raster Calculator Map Algebra to convert the values of 0 from blue area to NoData in the overlapping area behind there... This expression below converts those pixels to 0.. Con("polrecl", 0, "maskdpoly") I want to convert to "NoData" instead because I want to do statistics on the area inside the boundary only. I tried Con("polrecl", NoData, "maskdpoly") but this doesn't work... I am new to this stuff, can anyone assist?
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