[vtkusers] vtkActor->GetPosition

[David Cole]

> Here's my question.  If I call vtkActor->SetUserMatrix to some matrix - 
> I see that the actor moves far away from the origin (because I know my 
> axes haven't moved), yet, when I execute the following code, it tells me 
> the actor is still at the origin... I don't understand, I'm obviously 
> missing something.



Have you tried calling GetBounds or GetCenter instead?
 
The documentation of these methods [ in the parent class: http://www.vtk.org/doc/nightly/html/classvtkProp3D.html ] says they should be returned in “world coordinates.”

The actor’s position is within its own coordinate system...


 
HTH,
David C.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.vtk.org/pipermail/vtkusers/attachments/20130724/f74edab5/attachment.htm>