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Using QGIS, I have been unable to take a height field contained within the attribute table of a vector file, and make that height field the z-value of that point.

QGIS doesn't seem to have the ability to create/alter Z-values within the core program, I would rather not have to deal with SpatiaLite databases if I don't have to, which is the only other method I have heard mentioned.

Also tried v.to.3d as suggested here Features to 3D from 2D in QGIS

and got either an empty output, an OGR "Data source is invalid ()" message, or both. I am working with a shapefile if that is relevant.

Any ideas?

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    Your question is too broad. Please edit to focus on a specific GIS software that you'd like an answer for. If you need an answer for both please ask them separately. – Midavalo Apr 29 '17 at 5:26
  • Ok, I will specify Q for this post, and Arc for another then. – Fireycold Apr 29 '17 at 6:34
  • It's usually best to ask the more pressing question first, and wait to see if there are problems which will garner requests for clarification (and downvotes) before posting a near duplicate. – Vince Apr 29 '17 at 11:21
  • The possible solutions for me are platform agnostic, although I prefer QGIS, I am willing to work with a solution in either. I thought it easier to post a single question which pertained to both platforms, but apparently that is too broad, so I asked a question pertaining to each platform. My questions aren't duplicates, as they use different tools in different software packages. – Fireycold Apr 29 '17 at 16:54

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