def get_coord_x(col, cell_width, upper_left):
    """Get the X coordinate in map units, given the
    numpy raster column number,
    pixel size (cell_width),
    point with the coordinate of the lower left corner
    """
    point_x = upper_left.X + ((col-1) * cell_width)  + (cell_width/2.0)
    return point_x