Hi Giacomo, if you use whatever planar projection and do not ask to do ellipsoidal measurements, you should obtain the expected planar distances. E.g., you could use EPSG: 32632, the planar UTM projection for WGS84 ellipsoid, you can work as if your painting was laid on the floor, and do any calculation/processing you need. When you run the measure tool switch off the "Ellipsoidal" flag.
giovanni 2013/1/27 Giacomo Marchioro <[email protected]> > Thanks a lot for your help! The problem is that when I measure a distance > in the layer I have wrongs outputs, I measure lacunae of thousand > kilometers! > I'm searching some plugin to georeference in a ECEF system (so I would > have no more angular distances) but is quite uncommon and I don't think > QGIS can display a layer with coordinates (e.g. 0,200,0) that would be > inside the earth! > > Best regards, > Giacomo Marchioro > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > > -- Giovanni Allegri website: http://giovanniallegri.it GEO+ geomatica in Italia http://bit.ly/GEOplus
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