16 lines
790 B
Python
16 lines
790 B
Python
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import logging
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logger = logging.getLogger(__name__)
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#https://stackoverflow.com/questions/20833344/fix-invalid-polygon-in-shapely
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#https://stackoverflow.com/questions/13062334/polygon-intersection-error-in-shapely-shapely-geos-topologicalerror-the-opera
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#https://shapely.readthedocs.io/en/latest/manual.html#object.buffer
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def clean_invalid_geometries(geometries):
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"""Fix self-touching or self-crossing polygons; these seem to appear
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due to numerical problems from writing and reading, since the geometries
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are valid before being written in pypsa-eur/scripts/cluster_network.py"""
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for i,p in geometries.items():
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if not p.is_valid:
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logger.warning(f'Clustered region {i} had an invalid geometry, fixing using zero buffer.')
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geometries[i] = p.buffer(0)
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