def test_read_unscale():
"""Should or Shouldn't apply scale and offset to a data."""
with rasterio.open(COG_SCALE) as src_dst:
arr, mask = reader.tile(src_dst, 218, 99, 8, tilesize=128)
arrS, maskS = reader.tile(src_dst,
218,
99,
8,
tilesize=128,
unscale=True)
assert arr.dtype == "int16"
assert arrS.dtype == "float32"
assert not numpy.array_equal(arr, arrS)
numpy.testing.assert_array_equal(mask, maskS)
meta = reader.metadata(src_dst)
assert isinstance(meta["statistics"][1]["min"], int)
meta = reader.metadata(src_dst, unscale=True)
assert isinstance(meta["statistics"][1]["min"], float)
p = reader.point(src_dst, [310000, 4100000], coord_crs=src_dst.crs)
assert p == [8917]
p = reader.point(src_dst, [310000, 4100000],
coord_crs=src_dst.crs,
unscale=True)
assert round(p[0], 3) == 1000.892
def test_point():
"""Read point values"""
with rasterio.open(COG_SCALE) as src_dst:
p = reader.point(src_dst, [310000, 4100000], coord_crs=src_dst.crs, indexes=1)
assert p == [8917]
p = reader.point(src_dst, [310000, 4100000], coord_crs=src_dst.crs)
assert p == [8917]
with pytest.raises(Exception):
reader.point(src_dst, [810000, 4100000], coord_crs=src_dst.crs)
def test_point():
"""Read point values"""
with rasterio.open(COG_SCALE) as src_dst:
p = reader.point(src_dst, [310000, 4100000],
coord_crs=src_dst.crs,
indexes=1)
assert p == [8917]
p = reader.point(src_dst, [310000, 4100000], coord_crs=src_dst.crs)
assert p == [8917]
with pytest.raises(PointOutsideBounds):
reader.point(src_dst, [810000, 4100000], coord_crs=src_dst.crs)
with rasterio.open(S3_MASK_PATH) as src_dst:
# Test with COG + internal mask
assert not reader.point(src_dst, [-104.7753105, 38.953548])[0]
assert reader.point(src_dst, [-104.7753105415, 38.953548],
masked=False)[0] == 0
with rasterio.open(S3_ALPHA_PATH) as src_dst:
# Test with COG + Alpha Band
assert not reader.point(src_dst, [-104.77519499, 38.95367054])[0]
assert reader.point(src_dst, [-104.77519499, 38.95367054],
masked=False)[0] == 0
def point(address: str, lon: float, lat: float, **kwargs: Any) -> List:
"""
Read point value from a file.
Attributes
----------
address: str
file url.
lon: float
Longitude
lat: float
Latittude.
kwargs: dict, optional
These will be passed to the 'rio_tiler.reader.point' function.
Returns
-------
point: list
List of pixel values per bands indexes.
"""
with rasterio.open(address) as src_dst:
return reader.point(src_dst, (lon, lat), **kwargs)
def test_point():
"""Read point values"""
with rasterio.open(COG_SCALE) as src_dst:
p = reader.point(src_dst, [310000, 4100000],
coord_crs=src_dst.crs,
indexes=1)
assert p == [8917]
p = reader.point(src_dst, [310000, 4100000], coord_crs=src_dst.crs)
assert p == [8917]
with pytest.raises(PointOutsideBounds):
reader.point(src_dst, [810000, 4100000], coord_crs=src_dst.crs)
with rasterio.open(COG_CMAP) as src_dst:
# Should return None when reading masked pixel
assert not reader.point(src_dst, [-95.530, 19.8882])[0]
# Should return value when not using Masked
assert reader.point(src_dst, [-95.530, 19.8882], masked=False)[0] == 0
# Checking nodata overwrite
assert (reader.point(src_dst, [-95.530, 19.8882],
masked=True,
nodata=100)[0] == 0)
with rasterio.open(S3_MASK_PATH) as src_dst:
# Test with COG + internal mask
assert not reader.point(src_dst, [-104.7753105, 38.953548])[0]
assert reader.point(src_dst, [-104.7753105415, 38.953548],
masked=False)[0] == 0
with rasterio.open(S3_ALPHA_PATH) as src_dst:
# Test with COG + Alpha Band
assert not reader.point(src_dst, [-104.77519499, 38.95367054])[0]
assert reader.point(src_dst, [-104.77519499, 38.95367054],
masked=False)[0] == 0