[vtkusers] fastest render method for spheres...?!

David Gobbi david.gobbi at gmail.com
Thu Feb 4 13:12:42 EST 2010


You can run the sphere through vtkStripper to make it render faster
without losing any detail.

  David


On Thu, Feb 4, 2010 at 11:03 AM, Benjamin Frigan
<frigan at itap.physik.uni-stuttgart.de> wrote:
> I apologize for the typo.
> I wanted to say, that all faces that are facing away from the camera are
> not drawn because they are always covered by faces that are facing
> towards the camera.
>
>
>
>
> Benjamin Frigan schrieb:
>> I forgot to ask the following:
>> I know that in OpenGL, when you render a large amount of objects, you
>> can use something that is called "Backface Culling". Then, all faces
>> that are facing away from the camera because they are always covered by
>> faces that are facing towards the camera. Is this implemented in VTK by
>> default or do I have to enable it somehow?
>>
>> I've read that VMD (apparently quite popular molecular visualizer) can
>> handle thousands of molecules + connections without any problems, with
>> high sphere resolution!!!
>>
>>
>> Francois,
>> I will take a look into that.
>>
>>
>>
>> Ben
>>
>>
>>
>> Liam Kurmos schrieb:
>>
>>> On Thu, Feb 4, 2010 at 5:44 PM, Benjamin Frigan
>>> <frigan at itap.physik.uni-stuttgart.de> wrote:
>>>
>>>
>>>> But then what's the point of using spheres? With such a low resolution I
>>>> could use cubes as well. But I don't want that.
>>>>
>>>>
>>> I was just using one sphere, the resolution was 8 and thats was fine
>>> for what i'm doing.
>>>
>>> If the number of pixels of the rendered image is small there won't be
>>> any difference.
>>>
>>> Liam
>>> _______________________________________________
>>> Powered by www.kitware.com
>>>
>>> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>>>
>>> Please keep messages on-topic and check the VTK FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
>>>
>>> Follow this link to subscribe/unsubscribe:
>>> http://www.vtk.org/mailman/listinfo/vtkusers
>>>
>>>
>>>
>>>
>>
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the VTK FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtkusers
>>
>>
>>
>
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the VTK FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
>
> Follow this link to subscribe/unsubscribe:
> http://www.vtk.org/mailman/listinfo/vtkusers
>



More information about the vtkusers mailing list