def test_make_geocube__like_error_invalid_args(load_extra_kwargs):
soil_attribute_list = [
"om_r",
"sandtotal_r",
"silttotal_r",
"claytotal_r",
"cec7_r",
"ph1to1h2o_r",
"dbthirdbar_r",
"awc_r",
]
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "soil_grid_flat.nc"),
mask_and_scale=False,
decode_coords="all",
) as xdc:
with pytest.raises(AssertionError):
make_geocube(
vector_data=os.path.join(TEST_INPUT_DATA_DIR, "soil_data_flat.geojson"),
measurements=soil_attribute_list,
like=xdc,
fill=-9999.0,
**load_extra_kwargs,
)
def test_make_geocube__group_by_like_error_invalid_args(load_extra_kwargs):
soil_attribute_list = [
"cokey",
"mukey",
"drclassdcd",
"hzdept_r",
"hzdepb_r",
"sandtotal_r",
"silttotal_r",
"claytotal_r",
]
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "soil_grid_group.nc"),
mask_and_scale=False,
decode_coords="all",
) as xdc:
with pytest.raises(AssertionError):
make_geocube(
vector_data=os.path.join(
TEST_INPUT_DATA_DIR, "soil_data_group.geojson"
),
measurements=soil_attribute_list,
like=xdc,
group_by="hzdept_r",
fill=-9999.0,
**load_extra_kwargs,
)
def test_make_geocube__no_resolution_error():
with pytest.raises(RuntimeError):
make_geocube(
vector_data=os.path.join(TEST_INPUT_DATA_DIR, "soil_data_flat.geojson"),
measurements=["sandtotal_r"],
output_crs=TEST_GARS_PROJ,
geom=json.dumps(mapping(TEST_GARS_POLY)),
)
def test_make_geocube__group_by__no_resolution_error():
with pytest.raises(RuntimeError):
make_geocube(
vector_data=TEST_INPUT_DATA_DIR / "soil_data_group.geojson",
measurements=["sandtotal_r"],
output_crs=TEST_GARS_PROJ,
geom=json.dumps(mapping(TEST_GARS_POLY)),
group_by="hzdept_r",
fill=-9999.0,
)
def test_make_geocube__group_by__categorical(input_geodata, tmpdir):
input_geodata["soil_type"] = [
"sand",
"bob",
"clay",
"sand",
"silt",
"clay",
"sand",
] * 11
soil_attribute_list = ["sandtotal_r", "silttotal_r", "soil_type", "claytotal_r"]
out_grid = make_geocube(
vector_data=input_geodata,
measurements=soil_attribute_list,
output_crs=TEST_GARS_PROJ,
geom=json.dumps(mapping(TEST_GARS_POLY)),
group_by="hzdept_r",
resolution=(-10, 10),
categorical_enums={"soil_type": ("sand", "silt", "clay")},
)
# test writing to netCDF
out_grid.to_netcdf(
str(tmpdir.mkdir("make_geocube_soil").join("soil_grid_group_categorical.nc"))
)
# test output data
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "soil_grid_group_categorical.nc"),
autoclose=True,
mask_and_scale=False,
) as xdc:
xarray.testing.assert_allclose(out_grid, xdc)
tmpdir.remove()
def write_raster(self, df):
# TODO: https://github.com/corteva/geocube/blob/master/geocube/geo_utils/geobox.py#L79
df.rename(columns={'geom': 'geometry'}, inplace=True)
cube = make_geocube(df,
measurements=["elevation"],
resolution=(-0.0001, 0.0001))
cube.elevation.rio.to_raster(self.filename, bigtiff=self.bigtiff)
def rasterize(layer, layer_type): if layer_type == 'Boundary': raster = make_geocube( vector_data=layer, measurements=['code'], resolution=(x_grid_step, y_grid_step), fill=0 # optional ) else: raster = make_geocube( vector_data=layer, measurements=['code'], resolution=(x_grid_step, y_grid_step), # fill=999 # optional ) return raster
def test_make_geocube__only_resolution(input_geodata, tmpdir):
soil_attribute_list = [
"om_r",
"sandtotal_r",
"silttotal_r",
"claytotal_r",
"cec7_r",
"ph1to1h2o_r",
"dbthirdbar_r",
"awc_r",
]
out_grid = make_geocube(
vector_data=input_geodata,
measurements=soil_attribute_list,
resolution=(-0.001, 0.001),
fill=-9999.0,
)
# test writing to netCDF
out_grid.to_netcdf(
tmpdir.mkdir("make_geocube_soil") / "soil_grid_flat_original_crs.nc")
# test output data
with xarray.open_dataset(
TEST_COMPARE_DATA_DIR / "soil_grid_flat_original_crs.nc",
mask_and_scale=False,
decode_coords="all",
) as xdc:
xarray.testing.assert_allclose(out_grid, xdc)
def test_make_geocube__categorical(input_geodata, tmpdir):
input_geodata["soil_type"] = [
"sand",
"silt",
"clay",
"frank",
"silt",
"clay",
"sand",
]
out_grid = make_geocube(
vector_data=input_geodata,
output_crs=TEST_GARS_PROJ,
geom=json.dumps(mapping(TEST_GARS_POLY)),
resolution=(-10, 10),
categorical_enums={"soil_type": ("sand", "silt", "clay")},
fill=-9999.0,
)
# test writing to netCDF
out_grid.to_netcdf(
str(tmpdir.mkdir("make_geocube_soil").join("soil_grid_flat_categorical.nc"))
)
# test output data
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "soil_grid_flat_categorical.nc"),
mask_and_scale=False,
decode_coords="all",
) as xdc:
xarray.testing.assert_allclose(out_grid, xdc)
def test_make_geocube__like(input_geodata, tmpdir):
soil_attribute_list = [
"om_r",
"sandtotal_r",
"silttotal_r",
"claytotal_r",
"cec7_r",
"ph1to1h2o_r",
"dbthirdbar_r",
"awc_r",
]
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "soil_grid_flat.nc"),
mask_and_scale=False,
decode_coords="all",
) as xdc:
out_grid = make_geocube(
vector_data=input_geodata,
measurements=soil_attribute_list,
like=xdc,
fill=-9999.0,
)
# test writing to netCDF
out_grid.to_netcdf(
str(tmpdir.mkdir("make_geocube_soil").join("soil_grid_flat.nc"))
)
xarray.testing.assert_allclose(out_grid, xdc)
def test_make_geocube(input_geodata, tmpdir):
soil_attribute_list = [
"om_r",
"sandtotal_r",
"silttotal_r",
"claytotal_r",
"cec7_r",
"ph1to1h2o_r",
"dbthirdbar_r",
"awc_r",
]
out_grid = make_geocube(
vector_data=input_geodata,
measurements=soil_attribute_list,
output_crs=TEST_GARS_PROJ,
geom=json.dumps(mapping(TEST_GARS_POLY)),
resolution=(-10, 10),
fill=-9999.0,
)
# test writing to netCDF
out_grid.to_netcdf(str(tmpdir.mkdir("make_geocube_soil").join("soil_grid_flat.nc")))
# test output data
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "soil_grid_flat.nc"),
mask_and_scale=False,
decode_coords="all",
) as xdc:
xarray.testing.assert_allclose(out_grid, xdc)
def test_make_geocube__group_by_only_resolution(input_geodata, tmpdir):
soil_attribute_list = ["sandtotal_r", "silttotal_r", "claytotal_r"]
out_grid = make_geocube(
vector_data=input_geodata,
measurements=soil_attribute_list,
group_by="hzdept_r",
resolution=(-0.001, 0.001),
fill=-9999.0,
)
# test writing to netCDF
out_grid.to_netcdf(
str(tmpdir.mkdir("make_geocube_soil").join("soil_grid_grouped_original_crs.nc"))
)
# test output data
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "soil_grid_grouped_original_crs.nc"),
mask_and_scale=False,
decode_coords="all",
) as xdc:
xarray.testing.assert_allclose(out_grid, xdc)
tmpdir.remove()
def test_make_geocube__group_by_like(input_geodata, tmpdir):
soil_attribute_list = [
"cokey",
"mukey",
"drclassdcd",
"hzdept_r",
"hzdepb_r",
"sandtotal_r",
"silttotal_r",
"claytotal_r",
]
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "soil_grid_group.nc"),
mask_and_scale=False,
decode_coords="all",
) as xdc:
out_grid = make_geocube(
vector_data=input_geodata,
measurements=soil_attribute_list,
group_by="hzdept_r",
like=xdc,
fill=-9999.0,
)
# test writing to netCDF
out_grid.to_netcdf(
str(tmpdir.mkdir("make_geocube_soil").join("soil_grid_group.nc"))
)
xarray.testing.assert_allclose(out_grid, xdc)
tmpdir.remove()
def test_make_geocube__group_by_convert_with_time(input_geodata, tmpdir):
out_grid = make_geocube(
vector_data=input_geodata,
datetime_measurements=["test_time_attr"],
resolution=(-0.00001, 0.00001),
group_by="test_attr",
fill=-9999.0,
)
# test writing to netCDF
out_grid.to_netcdf(
str(tmpdir.mkdir("make_geocube_time").join("vector_data_group.nc"))
)
# test output data
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "vector_data_group.nc"),
mask_and_scale=False,
decode_coords="all",
) as xdc:
xarray.testing.assert_allclose(out_grid, xdc)
assert out_grid.test_time_attr.attrs["units"] == "seconds from 1970-01-01T00:00:00"
assert out_grid.test_time_attr.attrs["_FillValue"] == 0
tmpdir.remove()
def create_geocube_density_map(self,like=None):
if like is None:
minx,miny,maxx,maxy=self.polygon_df.total_bounds
r = ((maxx - minx) / self.imsize[0])
print(r)
self.geocube_resolution = (r,r)
self.gc = make_geocube(self.polygon_df, [self.data_key],resolution=self.geocube_resolution)
else:
self.gc = make_geocube(self.polygon_df, [self.data_key],like=like)
im = self.gc.to_array().data[0]
im = np.nan_to_num(im,nan=self.mean_val)
self.imsize = im.shape
self.padded_im = np.pad(im,pad_width=self.pad_width,constant_values=self.mean_val)
if self.gaussian_blur is not None:
self.padded_im = gaussian_filter(self.padded_im,self.gaussian_blur)
np.savetxt(self.density_map_fname,self.padded_im)
def test_make_geocube__group_by(input_geodata, tmpdir):
soil_attribute_list = [
"cokey",
"mukey",
"drclassdcd",
"hzdept_r",
"hzdepb_r",
"sandtotal_r",
"silttotal_r",
"claytotal_r",
]
out_grid = make_geocube(
vector_data=input_geodata,
measurements=soil_attribute_list,
output_crs=TEST_GARS_PROJ,
geom=json.dumps(mapping(TEST_GARS_POLY)),
group_by="hzdept_r",
resolution=(-10, 10),
fill=-9999.0,
)
# test writing to netCDF
out_grid.to_netcdf(
str(tmpdir.mkdir("make_geocube_soil").join("soil_grid_group.nc"))
)
# test output data
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, "soil_grid_group.nc"),
mask_and_scale=False,
decode_coords="all",
) as xdc:
xarray.testing.assert_allclose(out_grid, xdc)
tmpdir.remove()
def vector(input, output):
from geocube.api.core import make_geocube
grid = make_geocube(
vector_data=merged_gpd,
resolution=(100, 100),
)
grid.present.rio.to_raster(output, compress="DEFLATE")
return (output)
def test_make_geocube__new_bounds_crs():
utm_cube = make_geocube(
vector_data=os.path.join(TEST_INPUT_DATA_DIR, "wgs84_geom.geojson"),
output_crs="epsg:32614",
resolution=(-1, 1),
)
assert_almost_equal(utm_cube.id.rio.bounds(),
(1665478.0, 7018306.0, 1665945.0, 7018509.0))
def get_numpy(feature, shapefile, resolution=0.1):
grid = make_geocube(
vector_data=shapefile,
measurements=[feature],
resolution=(-resolution, resolution),
)
slide = grid[feature]
return slide
def gdf_to_dataarray(gdf, crs, resolution):
"""
df should be a geodataframe with a geometry column
crs in format {'init': 'epsg:4326'}
resolution in format (0.000629777416967, -0.000629777416967)
"""
envelope = gdf.unary_union.envelope
rasterizeable_aoi = gpd.GeoDataFrame(crs=crs, geometry=[envelope])
rasterizeable_aoi[
'value'] = 1 # allows us to make non empty dataset, required for resampling
return make_geocube(vector_data=rasterizeable_aoi,
resolution=resolution)['value']
def _generate_ground_truth(w, h, crop_size, annotation_polygon: Polygon,
pixel_annotation_value):
"""
:param w:
:param h:
:param crop_size:
:param annotation_polygon:
:param pixel_annotation_value:
:return:
"""
patch_mask_polygon = Polygon([(w, h), (w + crop_size, h),
(w + crop_size, h + crop_size),
(w, h + crop_size)])
patch_mask_polygon = gpd.GeoSeries(patch_mask_polygon)
annotation_polygon = gpd.GeoSeries(annotation_polygon)
# Get the intersection of the `patch mask and an annotation
#
# 'patch_mask' would fed into GeoDataFrame as dataset.
gdf_mask = gpd.GeoDataFrame({
'geometry': patch_mask_polygon,
'patch_mask': pixel_annotation_value
})
gdf_curr_annotation = gpd.GeoDataFrame({'geometry': annotation_polygon})
gdf_mask_curr_anno_diff = gpd.overlay(gdf_mask,
gdf_curr_annotation,
how='intersection')
if not gdf_mask_curr_anno_diff.empty:
# 'geom' work as boundary box
mask_curr_anno_intersection_rasterized = \
make_geocube(vector_data=gdf_mask_curr_anno_diff,
resolution=(1., 1.),
geom=json.dumps(mapping(box(w, h, w+crop_size, h+crop_size))),
fill=opt.pixel_anno_ignore)
# TODO: refactor a transformation of geocube data to numpy array
intersection_data = mask_curr_anno_intersection_rasterized.to_dict()
intersection_data = intersection_data['data_vars']['patch_mask'][
'data']
patch_ground_truth = np.array(intersection_data)
return patch_ground_truth
return np.full((crop_size, crop_size),
pixel_annotation_value).astype(np.float)
def test_make_geocube__minimize_dtype(dtype, fill, expected_type, tmpdir):
gdf = gpd.read_file(TEST_INPUT_DATA_DIR / "soil_data_flat.geojson")
gdf["mask"] = 1
gdf["mask"] = gdf["mask"].astype(dtype)
out_grid = make_geocube(
vector_data=gdf,
measurements=["mask"],
output_crs=TEST_GARS_PROJ,
geom=json.dumps(mapping(TEST_GARS_POLY)),
resolution=(-10, 10),
fill=fill,
)
assert out_grid.mask.dtype.name == expected_type
# test writing to netCDF
out_grid.to_netcdf(
tmpdir.mkdir("make_geocube_soil") / "soil_grid_flat_mask.nc")
def test_make_geocube__custom_rasterize_function__filter_null(
function, compare_name, tmpdir):
input_geodata = os.path.join(TEST_INPUT_DATA_DIR,
"point_with_null.geojson")
out_grid = make_geocube(
vector_data=input_geodata,
resolution=(-0.00001, 0.00001),
rasterize_function=function,
)
# test writing to netCDF
out_grid.to_netcdf(str(tmpdir.mkdir("geocube_custom").join(compare_name)))
# test output data
with xarray.open_dataset(os.path.join(TEST_COMPARE_DATA_DIR, compare_name),
mask_and_scale=False) as xdc:
xarray.testing.assert_allclose(out_grid, xdc, rtol=0.1, atol=0.1)
def __call__(self, abstract_geometry: AbstractGeometry):
circles, box_coord_dim = abstract_geometry.get_geom_info()
grid_size = self._calculate_grid_size(box_coord_dim)
boxx = self._make_box(circles, box_coord_dim)
vector_data = self._make_geopandas_dataframe(circles, boxx)
raster_array = make_geocube(vector_data=vector_data,
resolution=grid_size,
fill=0)
x = np.array(raster_array.x)
y = np.array(raster_array.y)
raster_image = np.array(raster_array.tags)
return x, y, raster_image
def rasterize(src_vector, out_rst, res=30, column=None, verbose=False):
""" Burns vector geometries into a raster.
Args :
src_vector (str) : path to the source vector shapefile
out_rst (str, optional) : path to the output raster
res (int, optional) : the resolution of the output raster. If none, the default landsat 7 30m res will be used
column (str, optional) : the name of the column to use as value in the output raster. default ot the first one
"""
# apply the verbose option
v_print = custom_print(verbose)
# read the vector data
gdf = gpd.read_file(src_vector).to_crs("EPSG:4326")
# identify the column to be burn in the raster
if not column:
column = gdf.columns[0]
# optimize dtype
dtype = rio.dtypes.get_minimum_dtype(gdf[column])
# optimize the nodata value to meet the dtype
fill = np.nan
if np.issubdtype(dtype, np.integer):
fill = 0
# convert the metric resolution into deg (as we work in EPSG 4326)
# consider the equator approximation : 1° = 111 Km
res = (res / 111) * (10**(-3))
out_grid = make_geocube(vector_data=gdf,
measurements=[column],
resolution=(-res, res),
fill=fill)
# write the column to raster file
out_grid[column].rio.to_raster(out_rst, dtype=dtype)
v_print(
f'The vector geometries have been burn into the raster : {out_rst}')
return
def make_geocube(
output_file,
vector_data,
measurements,
output_crs,
resolution, # pylint: disable=too-many-arguments
align,
geom,
like,
fill,
group_by,
interpolate_na_method,
): # NOSONAR
"""
Utility to load vector data into the xarray raster format.
"""
if not resolution and isinstance(resolution, tuple):
resolution = None
if not align and isinstance(align, tuple):
align = None
if not measurements and isinstance(measurements, tuple):
measurements = None
if like is not None:
like = xarray.open_dataset(like)
try:
gcds = core.make_geocube(
vector_data=vector_data,
measurements=measurements,
output_crs=output_crs,
resolution=resolution,
align=align,
geom=geom,
like=like,
fill=fill,
group_by=group_by,
interpolate_na_method=interpolate_na_method,
)
finally:
if like is not None:
like.close()
gcds.to_netcdf(output_file)
def fraction_raster(init_gdf, value, template_rst, out_rst):
gdf = init_gdf.copy()
gdf[f'{value}%'] = gdf[value] / gdf.sum(axis=1) * 100
with rasterio.open(template_rst) as src:
gt = src.transform
resX = gt[0]
resY = -gt[4]
cube = make_geocube(
gdf,
measurements=[f'{value}%'],
resolution=(resX, resY),
)
cube[f'{value}%'].rio.to_raster(out_rst)
return
def test_make_geocube__no_measurements(input_geodata, tmpdir):
out_grid = make_geocube(
vector_data=input_geodata,
output_crs=TEST_GARS_PROJ,
geom=json.dumps(mapping(TEST_GARS_POLY)),
resolution=(-10, 10),
)
# test writing to netCDF
out_grid.to_netcdf(
str(tmpdir.mkdir("make_geocube_soil").join("soil_grid_flat.nc")))
# test output data
with xarray.open_dataset(os.path.join(TEST_COMPARE_DATA_DIR,
"soil_grid_flat.nc"),
mask_and_scale=False) as xdc:
xarray.testing.assert_allclose(out_grid, xdc)
tmpdir.remove()
def GeodataframeToTiff(geodata, lipascode, lipasname):
"""
This function turns minimum travel times of each travel method (10) into a TIFF-raster.
Arguments: Function takes a geodataframe (made with TableJoiner()-function) as geodata, and sport facility code as lipascode and name as lipasname.
Geodataframe has to have minimum travel times to sport facility in columns specified in attr_list.
Function has been designed for spatial resolution of 250m x 250m (MetropAccess_YKR_grid).
As a return user gets 10 tiff-files saved to output folder.
"""
# defining attributes that will be tranformed into TIFF-files
attr_list = [
"min_t_bike_f", "min_t_bike_s", "min_t_pt_r_t", "min_t_pt_r_tt",
"min_t_pt_m_t", "min_t_car_r", "min_t_car_m", "min_t_walk",
"min_t_car_sl", "min_t_pt_m_tt"
]
# creating a raster cube from geodataframe and selected attribute values
cube = make_geocube(vector_data=geodata,
measurements=attr_list,
resolution=(250, -250))
# writing all
cube.min_t_bike_f.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_bike_f_t.tiff")
cube.min_t_pt_r_t.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_pt_r_t.tiff")
cube.min_t_car_r.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_car_r_t.tiff")
cube.min_t_pt_r_tt.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_pt_r_tt.tiff")
cube.min_t_bike_s.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_bike_s_t.tiff")
cube.min_t_pt_m_t.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_pt_m_t.tiff")
cube.min_t_pt_m_tt.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_pt_m_tt.tiff")
cube.min_t_car_sl.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_car_sl_t.tiff")
cube.min_t_car_m.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_car_m_t.tiff")
cube.min_t_walk.rio.to_raster("outputs/" + lipascode + "_" + lipasname +
"_walk_f_t.tiff")
print("Files saved.")
def test_make_geocube__custom_rasterize_function(function, compare_name, tmpdir):
input_geodata = os.path.join(TEST_INPUT_DATA_DIR, "time_vector_data.geojson")
out_grid = make_geocube(
vector_data=input_geodata,
measurements=["test_attr", "test_time_attr", "test_str_attr"],
resolution=(-0.00001, 0.00001),
rasterize_function=function,
fill=-9999.0,
)
# test writing to netCDF
out_grid.to_netcdf(str(tmpdir.mkdir("geocube_custom").join(compare_name)))
# test output data
with xarray.open_dataset(
os.path.join(TEST_COMPARE_DATA_DIR, compare_name),
mask_and_scale=False,
decode_coords="all",
) as xdc:
xarray.testing.assert_allclose(out_grid, xdc, rtol=0.1, atol=0.1)