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pyarchinit-photogrammetry-core

Native kernels of pyarchinit-photogrammetry, written in Rust (PyO3 + rayon) and imported as ppg_core. The package is optional: pyarchinit-photogrammetry keeps the numpy version of every kernel, uses it when ppg_core is missing or when PPG_NATIVE=0, and its tests compare the two.

Kernels: fusion of the depth maps of one photo, depth z-buffer and normals, projection of points with the COLMAP camera models, scoring of the photos of an orthomosaic tile, agreement of points with a depth map (confidence), PatchMatch multi-view stereo of one photo (patchmatch_depth: a plane per pixel, normalised cross correlation with the best of its neighbouring photos, red-black propagation and random refinement, from random planes or from a depth map).

Build and install in the environment of pyarchinit-photogrammetry (a Rust toolchain is needed):

pip install ./native        # or: uv pip install ./native

License: GPL-2.0-or-later.

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