On 10/28/2010 10:57 AM, Javier Taibo wrote:
>   I suggest you to use just one primitive for all the point cloud, not a 
> primitive for
> each point.

  And depending on how many points you have, it may be necessary to break the 
full set up
into blocks so that some can be culled and not drawn if you are moving your 
viewpoint
around and the entire set is not all in view at once.

  Other level of detail techniques may be needed in order to show fewer points 
when their
absence would not be noticed.

-- 
Chris 'Xenon' Hanson, omo sanza lettere. [email protected] 
http://www.alphapixel.com/
  Digital Imaging. OpenGL. Scene Graphs. GIS. GPS. Training. Consulting. 
Contracting.
    "There is no Truth. There is only Perception. To Perceive is to Exist." - 
Xen
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