[vtkusers] vtkInteractorStyleRubberBandPick and wtkOpenGLRenderWindow::SetRGBACharPixelData problem

[Alex Malyushytskyy]

Is anybody using vtkInteractorStyleRubberBandPick in vtk 5.4.2 stable
under the Windows with Opengl without this problem?

On Tue, Dec 1, 2009 at 1:31 PM, Alex Malyushytskyy <alexmalvtk at gmail.com> wrote:
> I am trying to implement picking within rectangular area using
> vtkInteractorStyleRubberBandPick.
> The problem I am facing is that the rectangle drawn is only visible
> over the defined geometry.
> It is not visible over the background:
>
>
>              __________________                 ___
>             /                               /                    /   Polygons
>   - - - -  /  =========||         /
>  |        /                     ||        /                    ---
> Selection rectangle  ( invisible part )
>   - - - / ===========||      /                     ===   - selection
> rectangle ( visible part)
>       /__________________/
>
> I narrowed problem to wtkOpenGLRenderWindow::SetRGBACharPixelData.
>
> Search on the web gave me the only possibly related problem at:
> http://www.cmake.org/Bug/view.php?id=7236
>
> But this fix seems already at the version I am using: vtk 5.4.2 (
> windows XP 64 )
>
> Any idea what can be wrong?
> How to figure out is it a bug or problem with graphics card/driver?
>
> Thanks in advance,
>            Alex
>