[vtkusers] Add two renderers to vtkBorlandRenderWindow

[Xianjin Yang]

Hi Dean, 

Thanks for your advice. In the demo project of vtkBorlandRenderWindow, I found
that one can do something like this

BorlandRenderWindow->GetRenderWindow()->AddRenderer(ren1);

I got what I expected on the screen by doing this. But I got access violation
errors in several OpenGL-related vtk classes when I exited my program.

Is it OK to add another renderer this way? Say,
BorlandRenderWindow->GetRenderWindow()->AddRenderer(ren2);

When I do this: BorlandRenderWindow->GetRenderer(), I do not know which renderer
I would end up with.

Yang


-----Original Message-----
From: dean.inglis at camris.ca [mailto:dean.inglis at camris.ca] 
Sent: Friday, August 29, 2003 9:14 AM
To: vtkusers at vtk.org
Subject: Re: [vtkusers] Add two renderers to vtkBorlandRenderWindow



Hi Yang, 

Take a look at  /Examples/GUI/Win32/vtkBorland/Package/vtkBorlandRenderWindow.h

You should note that there is only one render window, and one renderer.  There
currently is no API for adding renderers, although this could be done by adding
a vtkRendererCollection member item to this class.  If you are interested in
doing this you could create your own a modified vtkBorlandRenderWindow, or just
drop two vtkBorlandRenderWindow on your project's form ...  

Dean

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