Geographic Information Systems Asked on April 25, 2021
I try to use GML data from Landesvermessung Brandenburg in GeoPandas. It generally works to load files like this:
df = gpd.read_file(r'/vsizip//vsicurl/https://data.geobasis-bb.de/geobasis/daten/3d_gebaeude/lod2_gml/lod2_33379-5805.zip/lod2_33379-5805_geb.gml')
This gives the following warning, which I tend to ignore:
C:DatenAnacondalibsite-packagesgeopandasgeodataframe.py:422: RuntimeWarning: Sequential read of iterator was interrupted. Resetting iterator. This can negatively impact the performance.
for feature in features_lst:
But one file in the bulk does contain one odd polygon, where linestrings are expected:
df = gpd.read_file(r'/vsizip//vsicurl/https://data.geobasis-bb.de/geobasis/daten/3d_gebaeude/lod2_gml/lod2_33379-5806.zip/lod2_33379-5806_geb.gml')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:DatenAnacondalibsite-packagesgeopandasiofile.py", line 133, in _read_file
columns = list(features.schema["properties"])
File "C:DatenAnacondalibsite-packagesfionacollection.py", line 208, in schema
self._schema = self.session.get_schema()
File "fiona/ogrext.pyx", line 719, in fiona.ogrext.Session.get_schema
File "fiona/_geometry.pyx", line 81, in fiona._geometry.normalize_geometry_type_code
fiona.errors.UnsupportedGeometryTypeError: 2147483648
I only want linestrings (MULTILINESTRING Z) and want to ignore other geometry types. Is there a way in GeoPandas?
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