Add anamorphic pinhole camera support (#11076) #11854
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Implements full support for anamorphic pinhole cameras where focal lengths differ (fx ≠ fy). Adds PerspectiveAnamorphic projection variant with separate horizontal/vertical FOVs, fixes harmonic mean averaging in renderer, and includes comprehensive Python example.
- Preserve vec2 pixel_world_size for correct vertical scaling - Fix Python type hint: list[float, float] -> tuple[float, float] - Convert test_anamorphic.py to proper pytest with assertions
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Implements full support for anamorphic pinhole cameras where focal lengths differ (fx ≠ fy).
Adds PerspectiveAnamorphic projection variant with separate horizontal/vertical FOVs.
Fixes harmonic mean averaging in renderer and includes a Python example.
Closes #11076