[vtkusers] Need for spherical to cartesian nonlinear transformation.

[Robert Belleman]

On Fri, Mar 22, 2002 at 07:38:21AM +0100, Roland Schwarz wrote:
> I did also a quick check on the vtk libs, and found vtkTextureMapToSphere.
> Unfortunately it seems as if the author had choosen the other coordinate
> ordering (but the local system is 2D there) giving a left handed system. But
> I do not know the reasons for this either. There might be some special
> considerations regarding texture mappings-

Could this be the reason why Sidney Cadot was seeing a mirrored image
appear on a textured sphere in this post:?

http://public.kitware.com/pipermail/vtkusers/2002-February/009368.html

If it is, it might be a good idea to change the coordinate system in
vtkTextureMapToSphere as well.

-- Rob

[] Robert Belleman         X  Section Computational Science            []
[] robbel at science.uva.nl  |X| University of Amsterdam, the Netherlands []
[] tel: (+31) 20 525 7510  X  http://www.science.uva.nl/~robbel/       []