[vtkusers] Bug with multiple Renderer (An Update)

Sebastien Auclair sxa at fluent.com
Tue Feb 4 09:10:13 EST 2003


Greedings !

Our problem is only visible on Win2000.

I made a small VC++6.0 project were the problem can be seen.

It's got to be something very simple !

A easy way to describe the bug is as follows :

    -- If any programs, like for instance Netscape, appears in front of our
software, the Netscape's pixels above those of the vtkRenderWindow are
somehow kept somewhere in our application.
        If i go back to our software with the mouse cursor above the
vtkRenderWindow, everything is fine. But if the mouse pointer is moved
outside the vtkRenderWindow area,  all the pixels (vtkRenderWindow) are
replaced with those of Netscape !!!
        Remember that we have two vtkRenderer. (One Main on layer 0 and a
small one for the Low-Left World Axes on layer 1). With just one renderer,
the problem vanishes.
It's maybe Windows2000 related ! (Or maybe even related to the graphic card
on our workstation !)

I can send my demo project if you can do something with it. (i.e. If yor're
using Win2000 & VC++ 6.0)


Thanks for your time !

________________________________________________
Seb




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