[vtkusers] Renderer clipped in render window

[Kevin Wright]

Hi all,

I was hoping somebody could point me in the right direction on this.  I
have a RenderWindow built within a vtkTkRenderWidget object.  In it I
have a single renderer.  About one time in three when I start my
program, the bottom 10th (approx) of the renderer is clipped (shows just
black, no 2D or 3D drawing occurs).  If I grab the window and shrink it
down, the clipped area goes away.  If I make the window bigger, the
clipped area gets bigger (the point where clipping occurs is at the same
place in the window relative to the top.  I can't figure out any pattern
as to when it will happen and when it won't.

Any help at all is appreciated.

Kevin.