Obtain z values from a DEM where a polyline intersects that DEM

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04-20-2021 10:04 PM
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Nic_Pickering
New Contributor

Hi Guys,

My goal is to create a 3D polyline of a section of road. I have a 2D polyline that represents the road and I have a Digital Elevation Model of the area the road is contained. What I am trying to achieve is to use the z values of the DEM (the elevation) and combine them with the x and y values of the road polyline, to create a new polyline with x, y and z values. Is this possible?

I am using ArcGIS Pro 2.6.3, any help would be greatly appreciated.

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MichaelHewett
New Contributor II

Hi Nic

I think you are probably looking for the Interpolate Shape geoprocessing tool.  It is available with a Spatial Analyst or 3D Analyst extension license.

Interpolate Shape (3D Analyst)—ArcGIS Pro | Documentation

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MichaelHewett
New Contributor II

Hi Nic

I think you are probably looking for the Interpolate Shape geoprocessing tool.  It is available with a Spatial Analyst or 3D Analyst extension license.

Interpolate Shape (3D Analyst)—ArcGIS Pro | Documentation

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Nic_Pickering
New Contributor

Thank you so much @MichaelHewett! This is exactly what I needed, to tool worked perfectly!

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