pixsize0 =0.896551724138 scale0 =1.65276839171 pixsize =1.0 scale =1.0 NCOLS =1160 NROWS =1144 xshift/pixsize =120.0 (NCOLS+xshift/pixsize)*NROWS/1e6 =1.46432 (scale*pixsize)**2*(NCOLS+xshift/pixsize)*NROWS/1e6 =1.46432