Hi, I have problem with reading some files provided by Czech State Administration of Land Surveying and Cadastre in VFR format (supported by GML driver). Some files seems to be incorrectly compressed.
Scanning layers seems to be OK: $ ogrinfo -ro /vsicurl/http://vdp.cuzk.cz/vymenny_format/soucasna/20180630_OB_554464_UKSH.xml.gz ... INFO: Open of `/vsicurl/http://vdp.cuzk.cz/vymenny_format/soucasna/20180630_OB_554464_UKSH.xml.gz' using driver `GML' successful. 1: Obce (Multi Point, Multi Polygon, Multi Polygon) 2: SpravniObvody (Point, Multi Polygon) 3: Mop (Point, Multi Polygon) 4: Momc (Point, Multi Polygon) 5: CastiObci (Point) 6: KatastralniUzemi (Multi Point, Multi Polygon, Multi Polygon) 7: Zsj (Multi Point, Multi Polygon) 8: Ulice (Multi Line String) 9: Parcely (Point, Polygon, Multi Polygon) 10: StavebniObjekty (Point, Multi Polygon, Multi Polygon) 11: AdresniMista (Point, Point, Point) BUT reading features (GetNextFeature/GetFeature) fails: $ ogrinfo -ro /vsicurl/http://vdp.cuzk.cz/vymenny_format/soucasna/20180630_OB_554464_UKSH.xml.gz StavebniObjekty ... INFO: Open of `/vsicurl/http://vdp.cuzk.cz/vymenny_format/soucasna/20180630_OB_554464_UKSH.xml.gz' using driver `GML' successful. Layer name: StavebniObjekty Geometry (DefinicniBod): Point Geometry (OriginalniHranice): Multi Polygon Geometry (OriginalniHraniceOmpv): Multi Polygon ERROR 1: In file cpl_vsil_gzip.cpp, at line 905, return 0 Feature Count: 651 ERROR 1: In file cpl_vsil_gzip.cpp, at line 728, return -1 ERROR 1: In file cpl_vsil_gzip.cpp, at line 728, return -1 ERROR 1: In file cpl_vsil_gzip.cpp, at line 905, return 0 ERROR 1: In file cpl_vsil_gzip.cpp, at line 905, return 0 ERROR 1: XML parsing of GML file failed : no element found at line 1, column 0 NO features are printed. gzip says "unexpected end of file" and refuses to extract the file. 7zip (and other programs) on Windows reports similar error, but file is extracted. I am discussing issue with the provider. By chance, do you have any tip how to read such broken files by GDAL? Thanks, Martin -- Martin Landa http://geo.fsv.cvut.cz/gwiki/Landa http://gismentors.cz/mentors/landa _______________________________________________ gdal-dev mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/gdal-dev
