gml2step
Copyright (c) 2025 Soynyuu

This software was originally developed as part of Paper-CAD
(https://github.com/Soynyuu/Paper-CAD) and extracted as a
standalone library for CityGML parsing and STEP conversion.

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Open source components used by this project:

- OpenCASCADE Technology (LGPL v2.1 with exception)
  https://www.opencascade.com/

- pythonOCC (LGPL v3.0)
  https://github.com/tpaviot/pythonocc-core

- pyproj (MIT License)
  https://pyproj4.github.io/pyproj/

- Typer (MIT License)
  https://typer.tiangolo.com/

See the respective projects for their full license terms.
