>> What GDAL version? You need GDAL >= 2.1 for M values Also the QGIS running must be compiled with GDAL >= 2.1 for this to work. Mark -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osgeo.org/pipermail/qgis-developer/attachments/20170529/6d727dbd/attachment.html>