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I have a digital elevation model (dem) file with corresponding orthophoto in geotiff format.

What I need to do is to create a 3D model of the terrain with textures (preferably in collada file)?

I would like an opensource or freeware solution, but I will consider commercial software if need be.

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Here is 3D plugin for Qgis: http://qgis2threejs.readthedocs.org/en/docs-release/index.html

Hope it helps.

  • This plugin is excellent. I switched to FileExport.html template file and it created collada and obj files. Thank you! – Zoran Petrović Feb 26 '16 at 13:50

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