def test_fetch_img(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
extent = [-10, 10, 40, 60]
located_image, = source.fetch_raster(self.projection, extent,
RESOLUTION)
img = np.array(located_image.image)
assert img.shape == (512, 512, 4)
# No transparency in this image.
assert img[:, :, 3].min() == 255
assert located_image.extent == (-180.0, 107.99999999999994,
-197.99999999999994, 90.0)
def test_fetch_img_reprojected(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
extent = [-20, -1, 48, 50]
# NB single result in this case.
located_image, = source.fetch_raster(ccrs.NorthPolarStereo(), extent,
(30, 30))
# Check image array is as expected (more or less).
img = np.array(located_image.image)
assert img.shape == (42, 42, 4)
# When reprojected, extent is exactly what you asked for.
assert located_image.extent == extent
def test_fetch_img(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
extent = [-10, 10, 40, 60]
img, extent_out = source.fetch_raster(self.projection, extent,
(30, 30))
img = np.array(img)
self.assertEqual(img.shape, (512, 512, 4))
# No transparency in this image.
self.assertEqual(img[:, :, 3].min(), 255)
self.assertEqual(
(-180.0, 107.99999999999994, -197.99999999999994, 90.0),
extent_out)
def test_fetch_img_reprojected_twoparts(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
extent = [-10, 12, 48, 50]
images = source.fetch_raster(ccrs.NorthPolarStereo(), extent, (30, 30))
# Check for 2 results in this case.
assert len(images) == 2
im1, im2 = images
# Check image arrays is as expected (more or less).
assert np.array(im1.image).shape == (42, 42, 4)
assert np.array(im2.image).shape == (42, 42, 4)
# When reprojected, extent is exactly what you asked for.
assert im1.extent == extent
assert im2.extent == extent
def test_unsupported_projection(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
msg = 'Unable to find tile matrix for projection.'
with self.assertRaisesRegexp(ValueError, msg):
source.validate_projection(ccrs.Miller())
def test_supported_projection(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
source.validate_projection(self.projection)
def test_wmts_service_instance(self):
service = WebMapTileService(self.URI)
source = ogc.WMTSRasterSource(service, self.layer_name)
self.assertIs(source.wmts, service)
def test_string_service(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
self.assertIsInstance(source.wmts, WebMapTileService)
self.assertIsInstance(source.layer, ContentMetadata)
self.assertEqual(source.layer.name, self.layer_name)
def test_unsupported_projection(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
with mock.patch('cartopy.io.ogc_clients._URN_TO_CRS', {}):
match = r'Unable to find tile matrix for projection\.'
with pytest.raises(ValueError, match=match):
source.validate_projection(ccrs.Miller())
def test_non_native_projection(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
source.validate_projection(ccrs.Miller())
def test_string_service(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
assert isinstance(source.wmts, WebMapTileService)
assert isinstance(source.layer, ContentMetadata)
assert source.layer.name == self.layer_name
def test_unsupported_projection(self):
source = ogc.WMTSRasterSource(self.URI, self.layer_name)
with mock.patch('cartopy.io.ogc_clients._URN_TO_CRS', {}):
msg = 'Unable to find tile matrix for projection.'
with self.assertRaisesRegexp(ValueError, msg):
source.validate_projection(ccrs.Miller())
