On Mon, May 29, 2017 at 1:56 PM, Nyall Dawson <nyall.daw...@gmail.com> wrote: > On 29 May 2017 at 21:35, Radim Blazek <radim.bla...@gmail.com> wrote: >> Hi, >> >> I need to export a vector layer with measures (LineStringM) to >> Shapefile and PostGIS in QGIS3, neither works. >> >> Shapefile: there is only 'include z dimension' but no 'include m >> dimension' and no PolylineM in SHPT options in save as dialog. The >> layer is exported without M. > > What GDAL version? You need GDAL >= 2.1 for M values in shapefiles to > work. I think if you've got a source layer with m values and save to > shp with GDAL 2.1 it should just work.
GDAL 2.1.3. I have created a memory layer with type LineStringM, which has correct wkbType, QgsWkbTypes.hasM(layer.wkbType()) is true. M is correct in identify - derived attributes. BTW: wkbType in layer properties would be useful. Radim > That checkbox for "include z > dimension" will add z dimension to an existing 2d layer, but it > shouldn't be required if your layer already has a z dimension. > > We probably should add a "include m values" option as well (if > supported gdal version is present) for consistency. > > Nyall _______________________________________________ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer