[vtkusers] polydata possible bug

[Brad King]

Theodore Papatheodorou wrote:
> Hi all,
> I have noticed something lately which I think it is a bug. I am creating 
> some 4D polydata structures. If I query one of the points it returns the 
> correct coordinates. However when I try to save the polydata it treats 
> it as a 3D dataset and saves only up to a certain point. So for example:
> Instead of saving the data as:
> x y z a,  x y z a, x y z a,.....
> it saves it as:
> x y z, a x y, z a x,....
> Anybody encountered this before? Any solutions?

VTK does not support 4D points.  Points are always specified in 3D, even 
in a 2D data set.

-Brad