Le mardi 20 septembre 2016 17:13:44, Andrew Bell a écrit : > On Sun, Sep 18, 2016 at 5:49 AM, Even Rouault <even.roua...@spatialys.com> > > wrote: > > Le dimanche 18 septembre 2016 11:02:20, Sean Gillies a écrit : > > > Hi Andrew, Even, > > > > > > I am so grateful you asked this question, Andrew. > > > > UPDATE: Andrew, after digging, I believe you have hit > > https://trac.osgeo.org/gdal/ticket/6592 whose fix hasn't yet reached any > > released version. > > Thanks Even, > > It seems like doing something else to set the metadata change flag will > make things work. Unfortunately, the change flag seems to be guarded so > one has to make an actual change to get it to be set. Something like the > following works, but is a little crufty and deserves a comment. Perhaps > there's a better way? > > int nBands = 5; > dataset->Create(filename, width, height, nBands, ...); > > for (int i = 1; i <= nBands; ++i) > { > GDALRasterBand *band = dataset->GetRasterBand(i); > band->SetDescription(someString); > > // Force metadata change flag so that description gets written. > Current bug > // (ticket 6592) requires something like this. > band->SetOffset(band->GetOffset(NULL) + .00001); > band->SetOffset(band->GetOffset(NULL) - .00001);
Or just band->SetOffset(1) band->SetOffset(0) since 0 is the default offset (and if you don't customize it). -- Spatialys - Geospatial professional services http://www.spatialys.com _______________________________________________ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev
