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Dear Blender Community,

The goal is object coordinates.

OpenGL provides information about view coordinates, normalized device coordinates, clip coordinates, eye coordinates, and object coordinates.

enter image description here

The OpenGL matrices:

Text

Text

Text

The final object coordinates:

Text

where..

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enter image description here

enter image description here

Question

How is my interpretation?

Cite:

  1. http://www.songho.ca/opengl/gl_transform.html#google_vignette
  2. https://stackoverflow.com/questions/46749675/opengl-mouse-coordinates-to-space-coordinates/46752492#46752492
Miles Taylor
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  • A picture having 90° angles calibrates field of view and aspect ratios for unknown cameras. In Blender prepare a photo with a cube or square, then finalize the two parameters.

    The near and far clipping calibration is from perspective lines, but not important.

     – Miles Taylor Mar 31 '24 at 22:55

0 Answers0