Hi, Play with the placement algorithms. Start with the basic Helmert with 2 or more points. Anything more than 2 points and you will see where the distortions come from and give you an idea of what your are dealing with. Finish with Thin Plate Spline (TPS). Nicolas
> Le 21 juill. 2018 à 14:33, Wolstan H M Dixie <wolstan-di...@hotmail.co.uk> a > écrit : > > Thanks everyone - I discovered the Plugin! However it takes a bit of > practice, and sometimes it fails to position the image correctly - I > think it needs more that 4 points, probably about 8, to work properly. > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
