Hi Paolo, Linear transformation creates only a world file and doesn't transform the raster if the user manual can be trusted. What you described sounds like a Helmert transformation which uses coordinate offset, rotation and scale as parameters.
-Lauri On Thu, Apr 3, 2014 at 2:50 PM, Paolo Cavallini <[email protected]>wrote: > Hi all. > I always assumed that Linear transformation implied a rototranslation > with stretching, but from our tests it seems that a rotation is never > applied: is this intentional? If so, perhaps the user should be warned > about this. > Thanks. > -- > Paolo Cavallini - www.faunalia.eu > QGIS & PostGIS courses: http://www.faunalia.eu/training.html > _______________________________________________ > Qgis-developer mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-developer >
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