[vtkusers] projections and transformations

David Doria daviddoria+vtk at gmail.com
Tue Feb 16 08:38:45 EST 2010


On Tue, Feb 16, 2010 at 8:08 AM, David Gobbi <david.gobbi at gmail.com> wrote:
> If you use vtkPerspectiveTransform, the points will be divided by the
> homogeneous coordinate automatically.  If you use a vanilla
> vtkTransform, then there is no division.
>
>   David G.

David G.

Is vtkPerspectiveTransform supposed to divide by the 3rd coordinate
using the TransformPoint function? It seems to return the same vector
that vtkTransform returns?:

http://www.vtk.org/Wiki/VTK/Examples/PerspectiveTransform

Thanks,

David



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