[vtkusers] Blinking actors during picking

[Patric Weis]

Have look to

http://public.kitware.com/pipermail/vtkusers/2003-November/020931.html

where I proposed a fix for this bug. I also put it into the Bug Tracker
list. Hope they get the time to fix it soon. ;)

Patric Weis
MYCRONA


Jeff Lee schrieb am 15.12.2003 20:40:
> The problem is in vtkOpenGLFreeTypeTextMapper.cxx.  somebody put in some 
> code to change the depthFunc and it doesn't behave properly when 
> picking.  Hopefully we'll find out why it's being mucked with in 
> RenderOvelay, but in the mean time I think you can get away with 
> commenting out the glDepthFunc lines.
> -Jeff
> 
> Jenny Simpson wrote:
> 
>> I have an application using Vtk that involves picking of several actors
>> such as spheres, boxes, etc.  I notice that when I pick on an object in
>> order to have text appear near the object, other objects in the scene
>> "blink", that is they appear and disappear a few times before the image
>> returns to normal.  Even objects that should be obscured are visible 
>> for a
>> short amount of time while the picking is being processed.  This is more
>> pronounced on slower machines.  Why does this happen?  Is there a way to
>> prevent it from happening?
>>
>> Thanks,
>>
>> Jenny Simpson
>> Scientific Computing and Imaging Institute
>> University of Utah
>>
>>
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>>
> 
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