Thanks Nicolas, but the misalignment still persists. OTF is off, project has same CRS as data (epsg 29192). There is a ~400m difference in the N-S direction.
Carlos On Thu, May 17, 2018 at 1:28 PM, Nicolas Cadieux < [email protected]> wrote: > Hi, > Disable projection on the fly. Make sure the project is in the same CRS > as your maps. > Nicolas > > Le 17 mai 2018 à 12:14, Carlos Henrique Grohmann de Carvalho < > [email protected]> a écrit : > > Hello all > > I have two pngs of topographic maps from southeastern Brazil (a zip file > with images and points is available here: https://www.dropbox.com/ > s/mexeh4be46pgsk6/images_georef.zip?dl=0) > > I'm trying to georeference them, but with partial success only. In this > image (https://www.dropbox.com/s/37xxqp4fkwpdyqh/utm_error.png?dl=0) you > can see that the X coordinate is fine, but the Y coordinate of the two maps > won't match. > > Both maps use South American Datum 1969. I selected points near the edges, > and used the UTM values. > > Interestingly, if I use Lat/Long, and place the points at the corners, > using decimal degrees, the maps align perfectly. > > > Any help is appreciated > > > -- > Prof. Carlos Henrique Grohmann > Institute of Energy and Environment - Univ. of São Paulo, Brazil > - Digital Terrain Analysis | GIS | Remote Sensing - > > http://carlosgrohmann.com > http://orcid.org/0000-0001-5073-5572 > ________________ > Can’t stop the signal. > > _______________________________________________ > Qgis-user mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > -- Prof. Carlos Henrique Grohmann Institute of Energy and Environment - Univ. of São Paulo, Brazil - Digital Terrain Analysis | GIS | Remote Sensing - http://carlosgrohmann.com http://orcid.org/0000-0001-5073-5572 ________________ Can’t stop the signal.
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