Are you trying to georeference a raster that is already georeferenced? Вы писали 11 сентября 2011 г., 18:18:26:
AC> I've used the georeferencer a number of times without difficulty (1.7.0, AC> Windows) on a number of occasions, but I've run into difficulties a couple AC> of times as described below. AC> I'm trying to georeference a BMP (4804 x 3084 pixels) using four points, AC> linear nearest neighbour transform and EPSG:27700. The message at the bottom AC> of the screen says "Transform:Linear Translation (399639, 182204) Scale AC> (2.10238e-06, 2.14539e-06) Rotation: 0 Mean error: 1.82928e+06". AC> The points file contains: AC> mapX,mapY,pixelX,pixelY,enable AC> 399725.746871799987275,182064.111945799988462,40058150.943396233022213,-1346 AC> 0679.245283015072346,1 AC> 399773.490492700017057,182058.143993200006662,62315320.754716999828815,-1767 AC> 9358.490566037595272,1 AC> 399756.519127400009893,182072.939542400010396,54779886.792452841997147,-1017 AC> 3018.867924522608519,1 AC> 399763.668237300007604,182090.781233999994583,58678528.301886811852455,-1997 AC> 509.433962255716324,1 AC> The mapX/Y values seem sensible, but the pixelX/Y values are far too AC> large... and shouldn't they be integers? AC> It generates the following world file: AC> 0.000002109413289 AC> 0 AC> 0 AC> -0.000002133093642 AC> 399641.036519734247122 AC> 182094.590552107954863 AC> The raster loads but is about 10mm wide rather than about 200m. AC> I'm not sure exactly why certain images are a problem, but am starting to AC> wonder if it is linked to trying to transform into a relatively small target AC> area. AC> Has anyone else seen this type of problem or is there anyone who can suggest AC> where I may be going wrong... or should I just file a bug report? AC> Andrew Chapman AC> _______________________________________________ AC> Qgis-developer mailing list AC> Qgis-developer@lists.osgeo.org AC> http://lists.osgeo.org/mailman/listinfo/qgis-developer _______________________________________________ Qgis-developer mailing list Qgis-developer@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/qgis-developer