Hi Pete, Thanks for the clarifications, very helpful. But I still need your expertise ;-)
I've tried many combinations around the following code: 118 # Now we can show the main window: user creates a colour table in it. 119 dialog = cdlgTBL(self.iface,theLayer,FilePath,FilenameIn,str(lDum),wGRD,hGRD,self.GRD ) 120 dialog.show() 121 dialog.exec_() 122 # 123 # Get back the selected colour table to display 124 theTBL = dialog.theTBL 125 nColo = dialog.nColo # number of colours used in the colour table 126 if not theTBL: 127 return 128 # Display the selected colour table 129 theLayer.rasterShader().setRasterShaderFunction( QgsColorRampShader() ) 130 theLayer.setRasterShaderFunction( QgsColorRampShader() ) 131 myColorRampShader = QgsColorRampShader() 132 myColorRampShader.setColorRampItemList( theTBL ) 133 myColorRampShader.setMaximumColorCacheSize( nColo ) 134 myColorRampShader.setColorRampType( myColorRampShader.DISCRETE ) 135 theLayer.rasterShader().setRasterShaderFunction( myColorRampShader ) 136 theLayer.setRasterShaderFunction( myColorRampShader ) It excecutes without any error, but: - The raster does not change colours. - If, before launching the plugin, I leave the raster properties to their default, e.g. greyscale, nothing happens after the plugin closes and work can carry on with no error in QGIS. - If, before launching the plugin, I set the 'Color ramp' to 'colormap' in the raster properties dialog, nothing happens either after closing the plugin but as soon as I want to open the raster properties dialog QGIS bombs out! So, I suppose the code does something but it is ignored or harmful. Any idea why? I've also tried to disable lines 129, 130, 133 & 136 in all combinations. The results are the same as described above. I've also put lines 129-136 into the dialog class, same results. As you've alluded in your replies, is it possible that we cannot set the colormap with Python? Has someone out there done it successfully? Cheers, Benoit _______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
