o.putpixel((j,i), col_sea) o.save("map_height.png") # save height map o2 = o.crop((0,0,942,603)) o2.save("map_height_cropped.png") # taken from hillshade
of the naval engagement off Newfoundland ... embellished with two curious maps . Publisher London : Printed for M. Cooper ... Description Filmed from a
sailors
and boaters use to chart their positions at sea or offshore (Figure 4).
Figure 4: Nautical maps include a double compass rose that shows both magnetic