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.. _pycolmap/index:
PyCOLMAP
========
PyCOLMAP exposes to Python most capabilities of COLMAP.
Installation
------------
Pre-built wheels for Linux, macOS, and Windows can be installed using pip::
pip install pycolmap
The wheels are automatically built and pushed to `PyPI
<https://pypi.org/project/pycolmap/>`_ at each release. They are currently not
built with CUDA support, which requires building from source. To build PyCOLMAP
from source, follow these steps:
1. Install COLMAP from source following :ref:`installation`.
2. Build PyCOLMAP:
* On Linux and macOS::
python -m pip install .
* On Windows, after installing COLMAP via VCPKG, run in powershell::
python -m pip install . `
--cmake.define.CMAKE_TOOLCHAIN_FILE="$VCPKG_INSTALLATION_ROOT/scripts/buildsystems/vcpkg.cmake" `
--cmake.define.VCPKG_TARGET_TRIPLET="x64-windows"
Some features, such as cost functions, require that `PyCeres
<https://github.com/cvg/pyceres>`_ is installed in the same manner as PyCOLMAP,
so either from PyPI or from source.
API
-----
.. toctree::
:maxdepth: 2
pycolmap
cost_functions
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