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I have a set of points and want to find out the nearest distance to a water body (poly lines) taking into account the terrain and get a surface distance calculation. I understand that the way is to use the interpolate shape tool to convert the 2d polylines into 3d polylines and then run the near 3d tool. The z values are coming from a DEM raster tile. Running it, the tool creates an empty feature class. Additionally I tried to use to drape the poly line feature class that contains the water body data over the DEM raster file using the base heights function from surface in the properties settings. But the setting are not being stored and the polylines maintain their 2d shape.

I'm using ArcGIS 10.2.2

closed as unclear what you're asking by PolyGeo Oct 31 '16 at 4:04

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • I think this question needs more precise details of what you have tried (tools and parameter values) before it is likely to attract a potential answerer. – PolyGeo Oct 31 '16 at 4:04