Best answer by davideagle
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7 December 2015
- Best Answer
Your question is a little brief but one option you have is that you can drape your data over a digital surface model (DSM) to extract heights. In the past when I have done this I have draped the features that I have wanted to add heights to over a DSM and then taken an average of heights extracted for the (in my case) Building and then used the 3DForcer to create 3D buildings.
+2
You can also try the Extruder transformer to convert the building footprint from 2D to 3D, once you've got the Z values as 1spatialdave described. Have a look at the KnowledgeBase article on extruding building outlines . There's also a tutorial on 3D modeling in FME.
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