GDAL SetGeoTransform does not work as expected

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No transformation is visible after using SetGeoTransform to the dataset opened from a *.tiff file:

ds = gdal.Open(filename, GA_ReadOnly) # open the raster data set geo_transform = (0.3,10,30,-10,80,-1) # complete random/arbitrary numbers ds.SetGeoTransform(geo_transform) cols = ds.RasterXSize rows = ds.RasterYSize band = ds.GetRasterBand(1) data = band.ReadAsArray(0,0,cols, rows) With plotting, I get the same results as plotting without the transformation:

plt.imshow ( data, interpolation='nearest', vmin=0, cmap=plt.cm.gist_earth) plt.savefig('question.png',dpi=75) GDAL version 1.11.3



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