def test_reproject_spatial(self):
input = Pyramid({0: self.tiled_raster_rdd})
imagecollection = GeopysparkDataCube(pyramid=input,
metadata=self.collection_metadata)
ref_path = str(self.temp_folder / "reproj_ref.tiff")
imagecollection.reduce('max',
dimension="t").save_result(ref_path,
format="GTIFF")
resampled = imagecollection.resample_spatial(resolution=0,
projection="EPSG:3395",
method="max")
metadata = resampled.pyramid.levels[0].layer_metadata
print(metadata)
self.assertTrue("proj=merc" in metadata.crs)
path = str(self.temp_folder / "reprojected.tiff")
res = resampled.reduce('max', dimension="t")
res.save_result(path, format="GTIFF")
with rasterio.open(ref_path) as ref_ds:
with rasterio.open(path) as ds:
print(ds.profile)
#this reprojection does not change the shape, so we can compare
assert ds.read().shape == ref_ds.read().shape
assert (ds.crs.to_epsg() == 3395)
def test_resample_spatial(self):
input = Pyramid({0: self.tiled_raster_rdd})
imagecollection = GeopysparkDataCube(pyramid=input,
metadata=self.collection_metadata)
resampled = imagecollection.resample_spatial(resolution=0.05)
path = str(self.temp_folder / "resampled.tiff")
res = resampled.reduce('max', dimension="t")
res.save_result(path, format="GTIFF")
import rasterio
with rasterio.open(path) as ds:
print(ds.profile)
self.assertAlmostEqual(0.05, ds.res[0], 3)