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How to display 100 million points?

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  • How to display 100 million points?

    Hi, all, I need to display about 100 million points with .NET. I tried using SoPointSet but only about 11 million points can be displayed. Once exceeds this number, the axis will still show the bounds but no any points will display. Any solutions?

    I'm a newbie to Open Inventor. Any advice will be much appreciated. Thanks.

  • #2
    My bad. Apparently my video card is not good enough to support such a big amount of data. I switched to another one and the points are displayed.

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    • #3
      Originally posted by sxtraca View Post
      My bad. Apparently my video card is not good enough to support such a big amount of data. I switched to another one and the points are displayed.
      Hurray! Thanks for letting us know.
      Open Inventor point rendering is very efficient, but that's a significant amount of geometry. If you were using an old graphics board you might not have enough GPU memory even to load the data. 100M points x 3 floats per point x 4 bytes per float is about 1.2 Gigabytes of memory (just for the vertex buffer).
      Regards,
      Mike

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