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How do I add a vertical coordinate system to my raster so that I can run the new viewshed 2 tool?

Question asked by vivint.wireless on Apr 4, 2016
Latest reply on Nov 9, 2016 by xuguang_wang-esristaff

I want to use the new Viewshed 2 tool but when I put my raster into the tool it gives me warning 010451 which says "Input elevation raster should have a vertical coordinate system that has heights reference to a spheroid." The help page on this is very vague and I cannot figure out how to assign a vertical coordinate system to my raster. I have found pages saying that there is no way to project between vertical coordinate systems in ArcGIS but it seems like there must be some way to assign a vertical coordinate system to a raster so that you can use the Viewshed 2 tool. Is there a way to do this?

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