A00714264

Extracting polygons from rasters?

Discussion created by A00714264 on Dec 20, 2010
Hi there,

My issue is this. I have a polygon layer with no elevation data. I have a contour layer with elevation data (obviously). What I need to do, is extract the polygons that lie at 150 m or higher. I have converted the contours to raster but I'm not sure how to extract the polygons.

Can anyone offer some advice here?

Thanks!
A

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