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Hello, I have have a georeferenced DXF file (lambert coordinate) and since JOSM couldn’t place it automatically in its right position on the map when I import the DXF file, one solution would be to convert it to KML or SHP, my questions are :
I know that my question could be a little vague, should you need any other details or clarifications, please don’t hesitate. Thank you very much |
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This all depends on the software you use to make the conversion. Ideally all software should manage roundtripable conversions, but this is not often the case, especially with proprietary formats like DXF. The fact that your file appear non-georeferenced in JOSM might be a conversion bug. As for other conversion quality metrics, your best bet is to try it out. The popular gdal toolkit has a versatile conversion tool you should try. If you have Autodesk, you could also open the DXF there and export it to another format. There's no one-size fits-all for "the best geodata format", it depends on what you want to do. If you're loading it in JOSM, surely the best option is to load it in OSM or PBF format, because it is native to (j)osm. SHP is the lingua franca of vector geodata, but is crufty and has limitations. Geojson/topojson is a modern take on KML-style formats. Gdal has a useful writeup on all those formats, and wikipedia can also be interesting. Thank you very very much for your help. Are you saying that DXF Import is supposed to automatically place in its correct position on the map ? How would JOSM/DXF Import guess that my DXF file is in Lambert coordinate system ?
(01 Jun '16, 10:12)
Clemapper
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Did you try to contact the authors of the DXF import plugin directly ? See https://github.com/asrianCron/Dxf-Import -> Contributors