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Questions tagged [vtk]

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2 votes
1 answer
831 views

What is the reason that a boolean operation between two almost identical 3D triangular meshes fails?

I have been trying to detect defects on "before-and-after" meshes, by finding the boolean difference between them, to no avail. I tried these two Python libraries(algorithms run in C++) but their ...
Thanos Sakelliou's user avatar
1 vote
1 answer
264 views

In texture mapping, should we set texture coordinate to every vertex or can I skip vertices in between?

I am working on a texture mapping problem. I use vtk C++ library for my work. I have a very dense mesh with lots of vertices. I want to apply image texture to this mesh. Should I set texture ...
Vinmean's user avatar
  • 13
0 votes
1 answer
77 views

Translate vtkCellLocator

I would need to translate a vtkCellLocator, without rebuilding it entirely. I suppose that it should be possible to apply an offset to all the buckets in the octree. Do you know if is it possible to ...
Federico's user avatar
  • 103
4 votes
1 answer
264 views

How fast should I expect to render the silhouette of a 20k triangle model?

Using VTK 7.0 I have found that rendering a 20k triangle STL model takes approximately 17ms on my Nvidia GTX970. However, I am only interested in the silhouette of this model (like the image below) ...
Tetao879's user avatar
4 votes
1 answer
149 views

Optix: Rendering time-variant data

I have a Optix Raycasting renderer which loads and renders VTK files. For a single static model this works fine. But now my dataset consists of multiple timesteps which I want to display in a ...
Dragonseel's user avatar
  • 1,810