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<!-- [![Cirrus Status](https://img.shields.io/cirrus/github/OSGeo/PROJ)](https://cirrus-ci.com/github/OSGeo/PROJ/master) -->
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.5884394.svg)](https://doi.org/10.5281/zenodo.5884394)
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PROJ is a generic coordinate transformation software, that transforms
coordinates from one coordinate reference system (CRS) to another.
This includes cartographic projections as well as geodetic transformations.