[vtkusers] vtkSelectVisiblePoints & what's in the Z-buffer

[Mathieu Malaterre]

John,

	Which release of vtkSelectVisiblePoints are you using I know there was 
a recent patch for this particular line not so long ago.

http://public.kitware.com/cgi-bin/viewcvs.cgi/Rendering/vtkSelectVisiblePoints.cxx?r1=1.31&r2=1.32

Thanks
Mathieu

John Platt wrote:
> Hi All,
> 
>  
> 
> If a point IS visible, does anyone know what vtkRenderer::GetZ() should 
> return? I get a lot of 1.0’s which then fail the visibility test in 
> vtkSelectVisiblePoints
> 
>  
> 
>       if ( fabs(z-dx[2]) <= this->Tolerance )  visible = 1;
> 
>  
> 
> Any help would be much appreciated.
> 
>  
> 
> John.
> 
> 
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