def test_stats_for_satellite_image_fails_with_wrong_arguments(self):
instance = self.factory(MockHttpClientStats)
with self.assertRaises(ValueError):
metaimg = MetaTile('http://a.com', PresetEnum.FALSE_COLOR,
SatelliteEnum.SENTINEL_2.name, 1378459200, 98.2,
0.3, 11.7, 7.89, 'a1b2c3d4', 'http://b.com')
instance.stats_for_satellite_image(metaimg)
with self.assertRaises(ValueError):
metaimg = MetaTile('http://a.com', PresetEnum.EVI,
SatelliteEnum.SENTINEL_2.name, 1378459200, 98.2,
0.3, 11.7, 7.89, 'a1b2c3d4', None)
instance.stats_for_satellite_image(metaimg)
def test_stats_for_satellite_image(self):
instance = self.factory(MockHttpClientStats)
# stats retrieval currently only works for NDVI and EVI presets
try:
metaimg = MetaTile('http://a.com', PresetEnum.EVI,
SatelliteEnum.SENTINEL_2.name, 1378459200, 98.2,
0.3, 11.7, 7.89, 'a1b2c3d4', 'http://b.com')
result = instance.stats_for_satellite_image(metaimg)
self.assertIsInstance(result, dict)
except:
self.fail()
try:
metaimg = MetaTile('http://a.com', PresetEnum.NDVI,
SatelliteEnum.SENTINEL_2.name, 1378459200, 98.2,
0.3, 11.7, 7.89, 'a1b2c3d4', 'http://b.com')
instance.stats_for_satellite_image(metaimg)
self.assertIsInstance(result, dict)
except:
self.fail()
def test_download_satellite_image_with_tile_png(self):
instance = self.factory(MockHttpClientReturningImage)
metaimg = MetaTile('http://a.com', PresetEnum.FALSE_COLOR,
SatelliteEnum.SENTINEL_2.name, 1378459200, 98.2,
0.3, 11.7, 7.89, 'a1b2c3d4')
result = instance.download_satellite_image(metaimg, x=1, y=2, zoom=4)
self.assertTrue(isinstance(result, SatelliteImage))
self.assertTrue(isinstance(result.metadata, MetaTile))
self.assertTrue(isinstance(result.data, Tile))
self.assertEqual(result.data.image.image_type, ImageTypeEnum.PNG)
self.assertEqual(result.palette, PaletteEnum.GREEN)
def test_download_satellite_image_with_tile_png_fails_without_tile_coords(
self):
instance = self.factory(MockHttpClientReturningImage)
metaimg = MetaTile('http://a.com', PresetEnum.FALSE_COLOR,
SatelliteEnum.SENTINEL_2.name, 1378459200, 98.2,
0.3, 11.7, 7.89, 'a1b2c3d4')
with self.assertRaises(AssertionError):
instance.download_satellite_image(metaimg)
with self.assertRaises(AssertionError):
instance.download_satellite_image(metaimg, x=1)
with self.assertRaises(AssertionError):
instance.download_satellite_image(metaimg, x=1, y=2)
def __init__(self, polygon_id, list_of_dict, query_timestamp):
"""
Parses raw data dict into a list of `pyowm.agroapi10.imagery.MetaImage` subtypes instances and stores that
list internally for further filtering
:param polygon_id: the ID of the polygon that has been searched for images
:type polygon_id: str
:param list_of_dict: the input data dictionary
:type list_of_dict: list
:param query_timestamp: UNIX timestamp of the query
:type query_timestamp: int
:returns: a `pyowm.agroapi10.imagery.SatelliteImagerySearchResultSet` instance or an exception is parsing fails
"""
assert isinstance(polygon_id, str)
self.polygon_id = polygon_id
assert isinstance(list_of_dict, list)
assert isinstance(query_timestamp, int)
self.query_timestamp = query_timestamp
# parse raw data
result = list()
for the_dict in list_of_dict:
# common metadata
acquisition_time = the_dict.get('dt', None)
satellite_name = the_dict.get('type', None)
valid_data_percentage = the_dict.get('dc', None)
cloud_coverage_percentage = the_dict.get('cl', None)
sun = the_dict.get('sun', dict())
sun_azimuth = sun.get('azimuth', None)
sun_elevation = sun.get('elevation', None)
# Stats for the images
stats_dict = the_dict.get('stats', dict())
stats_url_for_ndvi = stats_dict.get('ndvi', None)
stats_url_for_evi = stats_dict.get('evi', None)
# PNG images for the polygon
png_dict = the_dict.get('image', dict())
true_color_png_url = png_dict.get('truecolor', None)
false_color_png_url = png_dict.get('falsecolor', None)
ndvi_png_url = png_dict.get('ndvi', None)
evi_png_url = png_dict.get('evi', None)
if true_color_png_url is not None:
result.append(
MetaPNGImage(true_color_png_url,
PresetEnum.TRUE_COLOR,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id))
if false_color_png_url is not None:
result.append(
MetaPNGImage(false_color_png_url,
PresetEnum.FALSE_COLOR,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id))
if ndvi_png_url is not None:
result.append(
MetaPNGImage(ndvi_png_url,
PresetEnum.NDVI,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id,
stats_url=stats_url_for_ndvi))
if evi_png_url is not None:
result.append(
MetaPNGImage(evi_png_url,
PresetEnum.EVI,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id,
stats_url=stats_url_for_evi))
# Tiles for the polygon
tiles_dict = the_dict.get('tile', dict())
true_color_tile_url = tiles_dict.get('truecolor', None)
false_color_tile_url = tiles_dict.get('falsecolor', None)
ndvi_tile_url = tiles_dict.get('ndvi', None)
evi_tile_url = tiles_dict.get('evi', None)
if true_color_tile_url is not None:
result.append(
MetaTile(true_color_tile_url,
PresetEnum.TRUE_COLOR,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id))
if false_color_tile_url is not None:
result.append(
MetaTile(false_color_tile_url,
PresetEnum.FALSE_COLOR,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id))
if ndvi_tile_url is not None:
result.append(
MetaTile(ndvi_tile_url,
PresetEnum.NDVI,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id,
stats_url=stats_url_for_ndvi))
if evi_tile_url is not None:
result.append(
MetaTile(evi_tile_url,
PresetEnum.EVI,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id,
stats_url=stats_url_for_evi))
# geoTiff images for the polygon
geotiff_dict = the_dict.get('data', dict())
true_color_geotiff_url = geotiff_dict.get('truecolor', None)
false_color_geotiff_url = geotiff_dict.get('falsecolor', None)
ndvi_geotiff_url = geotiff_dict.get('ndvi', None)
evi_geotiff_url = geotiff_dict.get('evi', None)
if true_color_geotiff_url is not None:
result.append(
MetaGeoTiffImage(true_color_geotiff_url,
PresetEnum.TRUE_COLOR,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id))
if false_color_geotiff_url is not None:
result.append(
MetaGeoTiffImage(false_color_geotiff_url,
PresetEnum.FALSE_COLOR,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id))
if ndvi_geotiff_url is not None:
result.append(
MetaGeoTiffImage(ndvi_geotiff_url,
PresetEnum.NDVI,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id,
stats_url=stats_url_for_ndvi))
if evi_geotiff_url is not None:
result.append(
MetaGeoTiffImage(evi_geotiff_url,
PresetEnum.EVI,
satellite_name,
acquisition_time,
valid_data_percentage,
cloud_coverage_percentage,
sun_azimuth,
sun_elevation,
polygon_id=polygon_id,
stats_url=stats_url_for_evi))
self.metaimages = result