def test_europe(self):
euro_img = Image.open(os.path.join(os.path.dirname(__file__),
'contours_europe.png'))
euro_data = np.array(euro_img)
img = Image.new('RGB', (640, 480))
proj4_string = '+proj=stere +lon_0=8.00 +lat_0=50.00 +lat_ts=50.00 +ellps=WGS84'
area_extent = (-3363403.31, -2291879.85, 2630596.69, 2203620.1)
area_def = (proj4_string, area_extent)
cw = ContourWriter(gshhs_root_dir)
cw.add_coastlines(img, area_def, resolution='l', level=4)
cw.add_rivers(img, area_def, level=5, outline='blue')
cw.add_borders(img, area_def, outline=(255, 0, 0))
res = np.array(img)
self.failUnless(fft_metric(euro_data, res), 'Writing of contours failed')
def test_europe(self):
euro_img = Image.open(
os.path.join(os.path.dirname(__file__), 'contours_europe.png'))
euro_data = np.array(euro_img)
img = Image.new('RGB', (640, 480))
proj4_string = '+proj=stere +lon_0=8.00 +lat_0=50.00 +lat_ts=50.00 +ellps=WGS84'
area_extent = (-3363403.31, -2291879.85, 2630596.69, 2203620.1)
area_def = (proj4_string, area_extent)
cw = ContourWriter(gshhs_root_dir)
cw.add_coastlines(img, area_def, resolution='l', level=4)
cw.add_rivers(img, area_def, level=5, outline='blue')
cw.add_borders(img, area_def, outline=(255, 0, 0))
res = np.array(img)
self.failUnless(fft_metric(euro_data, res),
'Writing of contours failed')
def main():
parser = get_parser()
args = parser.parse_args()
levels = [logging.ERROR, logging.WARN, logging.INFO, logging.DEBUG]
logging.basicConfig(level=levels[min(3, args.verbosity)])
if args.output_filename is None:
args.output_filename = [x[:-3] + "png" for x in args.input_tiff]
else:
assert len(args.output_filename) == len(args.input_tiff), "Output filenames must be equal to number of input tiffs"
if not (args.add_borders or args.add_coastlines or args.add_grid or args.add_rivers):
LOG.error("Please specify one of the '--add-X' options to modify the image")
return -1
for input_tiff, output_filename in zip(args.input_tiff, args.output_filename):
LOG.info("Creating {} from {}".format(output_filename, input_tiff))
gtiff = gdal.Open(input_tiff)
proj4_str = osr.SpatialReference(gtiff.GetProjection()).ExportToProj4()
ul_x, res_x, _, ul_y, _, res_y = gtiff.GetGeoTransform()
half_pixel_x = res_x / 2.
half_pixel_y = res_y / 2.
area_extent = (
ul_x - half_pixel_x, # lower-left X
ul_y + res_y * gtiff.RasterYSize - half_pixel_y, # lower-left Y
ul_x + res_x * gtiff.RasterXSize + half_pixel_x, # upper-right X
ul_y + half_pixel_y, # upper-right Y
)
img = Image.open(input_tiff).convert('RGB')
area_def = (proj4_str, area_extent)
cw = ContourWriter(args.shapes_dir)
if args.add_coastlines:
outline = args.coastlines_outline[0] if len(args.coastlines_outline) == 1 else tuple(int(x) for x in args.coastlines_outline)
if args.coastlines_fill:
fill = args.coastlines_fill[0] if len(args.coastlines_fill) == 1 else tuple(int(x) for x in args.coastlines_fill)
else:
fill = None
cw.add_coastlines(img, area_def, resolution=args.coastlines_resolution, level=args.coastlines_level,
outline=outline, fill=fill)
if args.add_rivers:
outline = args.rivers_outline[0] if len(args.rivers_outline) == 1 else tuple(int(x) for x in args.rivers_outline)
cw.add_rivers(img, area_def,
resolution=args.rivers_resolution, level=args.rivers_level,
outline=outline)
if args.add_borders:
outline = args.borders_outline[0] if len(args.borders_outline) == 1 else tuple(int(x) for x in args.borders_outline)
cw.add_borders(img, area_def, resolution=args.borders_resolution, level=args.borders_level, outline=outline)
if args.add_grid:
try:
font = ImageFont.truetype(args.grid_font, args.grid_text_size)
except IOError:
font_path = get_resource_filename('polar2grid.fonts', args.grid_font)
if not os.path.exists(font_path):
raise ValueError("Font path does not exist: {}".format(font_path))
font = ImageFont.truetype(font_path, args.grid_text_size)
outline = args.grid_outline[0] if len(args.grid_outline) == 1 else tuple(int(x) for x in args.grid_outline)
minor_outline = args.grid_minor_outline[0] if len(args.grid_minor_outline) == 1 else tuple(int(x) for x in args.grid_minor_outline)
fill = args.grid_fill[0] if len(args.grid_fill) == 1 else tuple(int(x) for x in args.grid_fill)
cw.add_grid(img, area_def, args.grid_D, args.grid_d, font,
fill=fill, outline=outline, minor_outline=minor_outline,
lon_placement=args.grid_lon_placement,
lat_placement=args.grid_lat_placement)
img.save(output_filename)
def main():
parser = get_parser()
args = parser.parse_args()
levels = [logging.ERROR, logging.WARN, logging.INFO, logging.DEBUG]
logging.basicConfig(level=levels[min(3, args.verbosity)])
if args.output_filename is None:
args.output_filename = [x[:-3] + "png" for x in args.input_tiff]
else:
assert len(args.output_filename) == len(
args.input_tiff
), "Output filenames must be equal to number of input tiffs"
if not (args.add_borders or args.add_coastlines or args.add_grid
or args.add_rivers):
LOG.error(
"Please specify one of the '--add-X' options to modify the image")
return -1
for input_tiff, output_filename in zip(args.input_tiff,
args.output_filename):
LOG.info("Creating {} from {}".format(output_filename, input_tiff))
gtiff = gdal.Open(input_tiff)
proj4_str = osr.SpatialReference(gtiff.GetProjection()).ExportToProj4()
ul_x, res_x, _, ul_y, _, res_y = gtiff.GetGeoTransform()
half_pixel_x = res_x / 2.
half_pixel_y = res_y / 2.
area_extent = (
ul_x - half_pixel_x, # lower-left X
ul_y + res_y * gtiff.RasterYSize - half_pixel_y, # lower-left Y
ul_x + res_x * gtiff.RasterXSize + half_pixel_x, # upper-right X
ul_y + half_pixel_y, # upper-right Y
)
p = Proj(proj4_str)
if p.is_latlong():
# convert lat/lons to radians
area_extent = p(area_extent[0], area_extent[1]) + p(
area_extent[2], area_extent[3])
img = Image.open(input_tiff).convert('RGB')
area_def = (proj4_str, area_extent)
cw = ContourWriter(args.shapes_dir)
if args.add_coastlines:
outline = args.coastlines_outline[0] if len(
args.coastlines_outline) == 1 else tuple(
int(x) for x in args.coastlines_outline)
if args.coastlines_fill:
fill = args.coastlines_fill[0] if len(
args.coastlines_fill) == 1 else tuple(
int(x) for x in args.coastlines_fill)
else:
fill = None
cw.add_coastlines(img,
area_def,
resolution=args.coastlines_resolution,
level=args.coastlines_level,
outline=outline,
fill=fill)
if args.add_rivers:
outline = args.rivers_outline[0] if len(
args.rivers_outline) == 1 else tuple(
int(x) for x in args.rivers_outline)
cw.add_rivers(img,
area_def,
resolution=args.rivers_resolution,
level=args.rivers_level,
outline=outline)
if args.add_borders:
outline = args.borders_outline[0] if len(
args.borders_outline) == 1 else tuple(
int(x) for x in args.borders_outline)
cw.add_borders(img,
area_def,
resolution=args.borders_resolution,
level=args.borders_level,
outline=outline)
if args.add_grid:
try:
font = ImageFont.truetype(args.grid_font, args.grid_text_size)
except IOError:
font_path = get_resource_filename('polar2grid.fonts',
args.grid_font)
if not os.path.exists(font_path):
raise ValueError(
"Font path does not exist: {}".format(font_path))
font = ImageFont.truetype(font_path, args.grid_text_size)
outline = args.grid_outline[0] if len(
args.grid_outline) == 1 else tuple(
int(x) for x in args.grid_outline)
minor_outline = args.grid_minor_outline[0] if len(
args.grid_minor_outline) == 1 else tuple(
int(x) for x in args.grid_minor_outline)
fill = args.grid_fill[0] if len(args.grid_fill) == 1 else tuple(
int(x) for x in args.grid_fill)
cw.add_grid(img,
area_def,
args.grid_D,
args.grid_d,
font,
fill=fill,
outline=outline,
minor_outline=minor_outline,
lon_placement=args.grid_lon_placement,
lat_placement=args.grid_lat_placement)
img.save(output_filename)