Given that the GeoJSON standard specifies WGS84 shouldn't that be the default that QGIS uses when it saves a GeoJSON file? I guess there could be an option that would allow legacy GeoJSON files. What would it take to have QGIS always save WGS84 by default?
For now I am updating Lat Lon Tools to support GeoJSON points. For my purposes I will stick by the standard and not worry about alternative CRS GeoJSON files. Calvin On Wed, Nov 22, 2017 at 5:23 PM, Even Rouault <[email protected]> wrote: > On mercredi 22 novembre 2017 15:08:08 CET Tom Chadwin wrote: > > > I remember irritated tweets from someone like Sean Gillies involved the > spec > > > about how projected CRSes had no place in GeoJSON. > > > > > > > The last year standardized version of GeoJSON, IETF RFC7946, mentions in > > https://tools.ietf.org/html/rfc7946#page-12 > > > > """ > > The coordinate reference system for all GeoJSON coordinates is a > > geographic coordinate reference system, using the World Geodetic > > System 1984 (WGS 84) [...] > > Note: the use of alternative coordinate reference systems was > > specified in [GJ2008], but it has been removed from this version of > > the specification [...] > > """ > > > > Regarding OGR, it will support reading & writing GeoJSON files with any > CRS. Unless that on the write side you specify RFC7946=YES as layer > creation option, in which case automatic reprojection to WGS84 is done. > > > > Even > > > > -- > > Spatialys - Geospatial professional services > > http://www.spatialys.com > > _______________________________________________ > QGIS-Developer mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer >
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