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Creating 3D map in arcscene

Question asked by fmsdon on Jan 12, 2015

I'm trying to create a 3D map of a gully for a project. I started off with a number of x,y coordinates each with a corresponding elevation. I then used the tool topography to raster. How can I get my map looking like a 3d model? I've also tried converting raster to TIN but I think the file is too big because it won't open in arcscene, although the raster does.