[vtkusers] Projecting a texture to vtkpolydata without using an actor

[PTMartin]

I solved it on my own in the following way.

No need to convert Bitmap to VtkImage.
Creating texture coords by usage of vtkProjectedTexture.
Using output of extrinsic calibration to set focal point and position.
Setting aspect ratio according bitmap size and intrinsic focal length in
pixel.

Resulting in texture coordinates.

Then assigning color to each point of polydata by pixel color from bitmap
according rounded texture coordinate. No interpolation at all.

Thats it...



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