I do not remember all nasty details but what I remember: AIXM is really complex with multi-multi geometry linking and stores the complete story of all objects A snapshot can be exported - this then includes objects only for that timestamp. A complete AIXM will thus be multidimensional both in geometries and time.
Ogr only manages ”single-links” - we have developed ogr post-process code for other multi-multi geometry GMLs (power lines in Norway) I hope Even can correct/expand on this ... Hälsningar Andreas Oxenstierna T-Kartor Geospatial AB Olof Mohlins väg 12 Kristianstad mobile: +46 733 206831 mailto: andreas.oxenstie...@t-kartor.com<mailto:andreas.oxenstie...@t-kartor.com> www.t-kartor.com<http://www.t-kartor.com> On 9 Dec 2021, 10:55 +0100, Rahkonen Jukka (MML) <jukka.rahko...@maanmittauslaitos.fi>, wrote: Hi, Re-sending to the list without old discussion because the mail body grew too large and was rejected. I do not have not much experience about GMLAS but I made a test with this file https://github.com/aixm/donlon/blob/master/EA_EADD_OBS_DS_AREA_2_3_4_FULL_20191205.xml and GDAL GMLAS found 1655 layers with “ogrinfo GMLAS:aixtest.xml” without editing the file so it seems that GDAL can follow http redirections and there is some other problem with your XML. Try the test files from GitHub and try to find out what is different in your GML. -Jukka Rahkonen-
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