[vtkusers] Non-square pixels and SetPixelAspect()

Amy Squillacote amy.squillacote at kitware.com
Tue Jul 5 15:03:44 EDT 2005

To use parallel projection in VTK, assuming you have a vtkRenderer* called 
ren, do the following.


- Amy

At 02:28 PM 7/5/2005, tom fogal wrote:
>  <000001c5818c$ff3587f0$314b2f50 at pacsys4>"John Platt" writes:
> >Maybe it's because I'm an engineer but I expected a square in world
> >coordinates to be displayed as a square on my monitor.
>if you're using a perspective viewing transformation and the square is
>not in a single plane, you will get this behavior.
>Perhaps VTK can be configured to give you a parallel projection. If
>you're using it to display some type of blueprint / map in which exact
>sizes matter, this is probably what you want.
>See "Projection and Clipping":
> >------=_NextPart_000_0001_01C58195.60F9EFF0
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