Hi, beside the expected differences because the layers are from different sources, I can't see any particular shift
http://ubuntuone.com/7TJnox4OFSxdMaPteNMsW9 cheers -- Giovanni -- On Mon, 2011-12-19 at 21:25 +0100, Paul Lens wrote: > Hi, > > When I open projects saved earlier in QGIS 1.6 with 1.7.2, there is a > shift between the belgian data, projected with EPSG 31370 (Belgian > Lambert 72 conformal conic), and the european environmental agency data > using EPSG:3035 - ETRS89 / ETRS-LAEA. > The european shapefile is shifted 103m: X: 94m westward; Y: 64m northward. > > Here are the links to the freely donwloadable shapefiles: > - belgian (Walloon Region) Natura 2000 limits: > http://environnement.wallonie.be/cartosig/telechargement/NATURA2000_DIFFUSION_BASE_MARS2010.zip > > > - european Natura 2000 limits: > www.eea.europa.eu/data-and-maps/data/natura-2000 (I use the 2009 > version) > > This seems to be a bug of QGIS 1.7.2. as I experienced no shift with > QGIS 1.6, or do I miss something? > > > Paul > > NB: QGIS 1.7.2 opens without problem an older project on the > french-belgian border, where I experienced a shift between EPSG 31370 > and the different french Lambert projections. > > FIY: this was then solved thanks to ticket OSGEO 3362 by making a custom > projection with a minus sign added to one of the elements: > > Custom projection: > +proj=lcc +lat_1=51.16666723333333 +lat_2=49.8333339 +lat_0=90 > +lon_0=4.367486666666666 +x_0=150000.013 +y_0=5400088.438 +ellps=intl > +towgs84=-106.8686,52.2978,-103.7329,0.3366,-0.457,1.8422,-1.2747 > +units=m +no_defs > > EPSG 31370: > +proj=lcc +lat_1=51.16666723333333 +lat_2=49.8333339 +lat_0=90 > +lon_0=4.367486666666666 +x_0=150000.013 +y_0=5400088.438 +ellps=intl > +towgs84=-106.869,52.2978,-103.724,0.3366,-0.457,1.8422,1.2747 +units=m > +no_defs > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user _______________________________________________ Qgis-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-user
