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Support for 3d visualisation of ESRI TINs #32240

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saberraz opened this issue Oct 14, 2019 · 4 comments
Closed

Support for 3d visualisation of ESRI TINs #32240

saberraz opened this issue Oct 14, 2019 · 4 comments
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Feature Request
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3.12.0

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@saberraz
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QGIS is going to support reading of ESRI TIN files as a mesh (through MDAL) with this PR:
lutraconsulting/MDAL#164

It would be great to have support for 3d visualisation of the data too. QGIS 3D already supports visualisation of 2dm files...
@nyalldawson
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@saberraz I believe it will automatically -- my understanding is that the 3d visualisation isn't mesh format specific.

@saberraz
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I am not sure....because at the moment only GDAL rasters can be used as terrain data

@vcloarec
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Visualization of mesh layer is possible as mesh not as DEM TIN :
Screenshot_20191018_162103

The result is far from perfect, but it is possible to visualize it!
Now, it seems the mesh layer 3D renderer is handled with a specific class that doesn't work similarly than terrain renderer.

Maybe, to have real TIN DEM visualization as terrain, we have to add a QgsTinTerrainGenerator class to other subclasses of QgsTerrainGenerator:
classQgsTerrainGenerator__inherit__graph

vcloarec added a commit to vcloarec/QGIS that referenced this issue Nov 4, 2019
@vcloarec
[WIP] Support for 3D visualisation of TIN as terrain (issue qgis#32240)
c8304c0 
Support TIN as terrain with map texture. 
For discussion.
There are still some work to do, especially fix texture issue in the tile boundary.
@PeterPetrik
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fixed by #33837

@PeterPetrik PeterPetrik added this to the 3.12.0 milestone Jan 17, 2020
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@PeterPetrik @nyalldawson @saberraz @vcloarec