[vtkusers] Molecule structure

[Julien Alizier (free.fr)]

replying to myself...

Just googled and I saw the file vtkOpenGL.h is present in viewcvs :
http://vtk.org/cgi-bin/viewcvs.cgi/Rendering/

but I can't access the server.

-- Julien


----- Original Message ----- 
From: "PETROV Alexey" <alexey.petrov at opencascade.com>
To: "Julien Alizier (free.fr)" <julien.alizier at free.fr>
Sent: Thursday, April 28, 2005 12:42 PM
Subject: Re: [vtkusers] Molecule structure


> Hello Julien,
>
> Julien Alizier (free.fr) wrote:
>
>> Hi José,
>>
>> You may improve rendering speed using tricks in OpenGL.
>> The extensions GL_ARB_POINT_SPRITE and GL_NV_POINT_SPRITE may be very 
>> efficient.
>>
>> See this previous post :
>> http://public.kitware.com/pipermail/vtkusers/2005-March/079009.html
>
> Your proposition is wonderful.
> However I can not check it.
> There is follow compiler error:
>
> Compiling...
> vtkOpenGLPolyDataPointSpriteMapper.cpp
> D:\apo\CSCS\CSCSCommon\vtkCSCSBase\vtkOpenGLPolyDataPointSpriteMapper.h(28) 
> : fatal error C1083: Cannot open include file: 'vtkOpenGL.h': No such file 
> or directory
> Error executing cl.exe.
>
> Could you check the problem?
>
>>
>> and this document :
>> http://www.irisa.fr/orap/Forums/Forum17/Jean.Favre.ORAP.pdf
>>
>>
>> HTH
>> -- Julien
>>
>>
>>
>> ----- Original Message ----- From: "Paul Cochrane" 
>> <cochrane at esscc.uq.edu.au>
>> To: "José Alonso Romero Matías" <jarommat at gmail.com>
>> Cc: <vtkusers at vtk.org>
>> Sent: Thursday, April 28, 2005 6:30 AM
>> Subject: Re: [vtkusers] Molecule structure
>>
>>
>>> Jose,
>>>
>>> I've had similar problems with viewing 300,000 spheres in space.  The
>>> solution to the speed of the rendering was to use a vtkStripper filter 
>>> just
>>> before the vtkPolyDataMapper.
>>>
>>> Assuming you're generating a grid with spheres at the node points, the
>>> process is something like this:
>>>
>>> SphereSource -> Glyph3D -> Stripper -> PolyDataMapper -> Actor -> Render
>>>
>>> Hope that helps!
>>>
>>> Paul
>>>
>>> * José Alonso Romero Matías (jarommat at gmail.com) [050428 02:41]:
>>>
>>>> Hello,
>>>>
>>>> I am newby in VTK and Visualization, and I am searching tips for make a
>>>> molecule structure...
>>>>
>>>> I have a array of actors, one by an atom in my molecule...
>>>>
>>>> It functions well, but when the molecule has more than 100,000 atoms, 
>>>> the
>>>> renderization is very slow.
>>>>
>>>> Can you help me?
>>>>
>>>> Thanks
>>>>
>>>> -- 
>>>>
>>>> José Alonso Romero Matías
>>>> Prik Tehuacán
>>>
>>>
>>>> _______________________________________________
>>>> This is the private VTK discussion list.
>>>> Please keep messages on-topic. Check the FAQ at: 
>>>> http://www.vtk.org/Wiki/VTK_FAQ
>>>> Follow this link to subscribe/unsubscribe:
>>>> http://www.vtk.org/mailman/listinfo/vtkusers
>>>
>>>
>>>
>>> -- 
>>> Paul Cochrane
>>> Computational Scientist/Software Developer
>>> Earth Systems Science Computational Centre
>>> Rm 703, SMI Building
>>> University of Queensland
>>> Brisbane
>>> Queensland 4072
>>> Australia
>>>
>>> _______________________________________________
>>> This is the private VTK discussion list.
>>> Please keep messages on-topic. Check the FAQ at: 
>>> http://www.vtk.org/Wiki/VTK_FAQ
>>> Follow this link to subscribe/unsubscribe:
>>> http://www.vtk.org/mailman/listinfo/vtkusers
>>>
>>
>>
>>
>> _______________________________________________
>> This is the private VTK discussion list. Please keep messages on-topic. 
>> Check the FAQ at: http://www.vtk.org/Wiki/VTK_FAQ
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtkusers
>>
>>
>
>