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Topo to Slope to Polygon

Question asked by kaitelin12 on Nov 14, 2013
Latest reply on Nov 15, 2013 by kaitelin12
Hi I am new to spatial analyst (I have ArcMap 10.1) and raster files :/  I'm trying to create a percent slope polygon. I have a polyline shapefile of contours with an elevation field. I'm not sure what is the more accurate way to convert that to a Raster, (Topo to Raster, Feature to Raster, or Polyline to Raster) or if it even matters? The results vary.

Once I have that Raster file I am able to calculate slope easily enough using the Spatial Analyst --> Surface-->Slope tool although then I cannot convert this Raster slope to a Polygon (Conversion Tools --> Raster to Polygon).

Thanks! Kait