Malte Clasen

realtime computer graphics research
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Broken Rotation

May 15, 2008

Equation (3) of the Spherical Clipmaps paper is broken. Replace “cos… – sin…” in the first line with “cos… + sin…” and you’re done. Thanks to Ian Fisher for pointing this out.

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Wrong number of triangles

April 30, 2006

The spherical clipmaps paper featured an error in the results section: The given frame rate was correct, but the number of triangles per frame was off by a factor of 10. I noted this inconsistency while preparing the slides for the conference next week, as the number of triangles doesn’t fit to the given resolution of the geometry: 512×20 steps = 10,240 quads = 20,480 triangles per level. So the correct results are:

  • Fig. 15: 330,000 triangles (15 levels + center)
  • Fig. 16: 140,000 triangles (6+1)
  • Fig. 17: 100,000 triangles (4+1)
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    • Arithmetic Coding
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    • Coastal Landscape Change
    • Diploma Thesis
    • Globalisierung
    • Illumination of Vegetation
    • Image-Error-Based LoD
    • Interactive Visualization With Biosphere3D
    • multum, non multi
    • Spherical Clipmaps
    • Towards Interactive Landscape Visualization
  • Resume

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