topic How to intersect a polygon and a DEM for 3D mapping? in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/how-to-intersect-a-polygon-and-a-dem-for-3d/m-p/643701#M28619 <HTML><HEAD></HEAD><BODY><P>I have bunch of DEM. I need to do a country polygon DEM for 3D mapping. How can I get the country's polygon with DEM, the any shaped polygon DEM? I tried "intersect" tool, but it only allow two polygon to intersect, not DEM.</P><P>Thanks ahead!</P></BODY></HTML> Wed, 27 Mar 2019 13:58:14 GMT KeWang1 2019-03-27T13:58:14Z How to intersect a polygon and a DEM for 3D mapping? https://community.esri.com/t5/arcgis-pro-questions/how-to-intersect-a-polygon-and-a-dem-for-3d/m-p/643701#M28619 <HTML><HEAD></HEAD><BODY><P>I have bunch of DEM. I need to do a country polygon DEM for 3D mapping. How can I get the country's polygon with DEM, the any shaped polygon DEM? I tried "intersect" tool, but it only allow two polygon to intersect, not DEM.</P><P>Thanks ahead!</P></BODY></HTML> Wed, 27 Mar 2019 13:58:14 GMT https://community.esri.com/t5/arcgis-pro-questions/how-to-intersect-a-polygon-and-a-dem-for-3d/m-p/643701#M28619 KeWang1 2019-03-27T13:58:14Z Re: How to intersect a polygon and a DEM for 3D mapping? https://community.esri.com/t5/arcgis-pro-questions/how-to-intersect-a-polygon-and-a-dem-for-3d/m-p/643702#M28620 <HTML><HEAD></HEAD><BODY><P><A class="link-titled" href="https://pro.arcgis.com/en/pro-app/tool-reference/spatial-analyst/extract-by-polygon.htm" title="https://pro.arcgis.com/en/pro-app/tool-reference/spatial-analyst/extract-by-polygon.htm">Extract by Polygon—Help | ArcGIS Desktop</A>&nbsp;</P><P>you will still have nodata values outside the shape and within the rectangular extent of the raster as expected</P></BODY></HTML> Wed, 27 Mar 2019 14:23:49 GMT https://community.esri.com/t5/arcgis-pro-questions/how-to-intersect-a-polygon-and-a-dem-for-3d/m-p/643702#M28620 DanPatterson_Retired 2019-03-27T14:23:49Z Re: How to intersect a polygon and a DEM for 3D mapping? https://community.esri.com/t5/arcgis-pro-questions/how-to-intersect-a-polygon-and-a-dem-for-3d/m-p/643703#M28621 <HTML><HEAD></HEAD><BODY><P>Another option is to create a Mosaic Dataset for your DEM's and update the property of "<A href="http://desktop.arcgis.com/en/arcmap/latest/manage-data/raster-and-images/mosaic-dataset-boundary.htm">Always Clip the Mosaic Dataset to its Boundary</A>" property to Yes in the Catalog Window MDS properties after you've updated the Boundary to match the country boundary.</P></BODY></HTML> Wed, 27 Mar 2019 21:56:29 GMT https://community.esri.com/t5/arcgis-pro-questions/how-to-intersect-a-polygon-and-a-dem-for-3d/m-p/643703#M28621 Robert_LeClair 2019-03-27T21:56:29Z