Thanks Even. 2017-10-10 13:08 GMT+02:00 Even Rouault <[email protected]>:
> On mardi 10 octobre 2017 12:58:36 CEST G. Allegri wrote: > > > Well, you almost convinced me, but for what I can see from the ogr2ogr > > > docs, if -preserve-fid is not set the output driver is expected to create > > > the FIDs [1]. This means that if a a FID is not set (and not preserved) > the > > > GeoJSON output driver should write it. > > > > Ah the doc of -preserve_fid is not completely accurate. In the specific > case of GeoJSON, it doesn't need to create a FID if none is provided to it, > so it doesn't create one. But for drivers like shapefile, PG, etc... the > output driver needs to assign a FID to the new feature. > > > > I've just changed the doc to: > > "Use the FID of the source features instead ofletting the output driver to > automatically assign a new one (when it needs to assign a FID. Some > formats, like GeoJSON, have optional FID)" > > > > -- > > Spatialys - Geospatial professional services > > http://www.spatialys.com >
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