def test_from_wkt_invalid():
with pytest.raises(CRSError), pytest.warns(UserWarning):
CRS.from_wkt(CRS(4326).to_proj4())
arr[arr == no_data] = np.nan
stack_array.append(arr[0, :, :])
print("{} has {} nan, shape is {}\
".format(raster, np.count_nonzero(np.isnan(arr)), arr.shape))
return np.array(stack_array)
outputs_folder = "/home/jake/scripts/land_cover/nan_years"
arr = make_raster_stack_no_clip(outputs_folder)
crs = CRS.from_wkt(
'PROJCS["Albers_Conical_Equal_Area",GEOGCS["WGS 84",DATUM["WGS_1984",\
SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],\
AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,\
AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],\
PROJECTION["Albers_Conic_Equal_Area"],PARAMETER["latitude_of_center",23],\
PARAMETER["longitude_of_center",-96],PARAMETER["standard_parallel_1",29.5],\
PARAMETER["standard_parallel_2",45.5],PARAMETER["false_easting",0],\
PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],\
AXIS["Easting",EAST],AXIS["Northing",NORTH]]')
transform = Affine(30.0, 0.0, -833925.0, 0.0, -30.0, 2094465.0)
first_year = 1986
last_year = 2017
for arr_ind, year in enumerate(range(first_year, last_year + 1, 1)):
print("running {}".format(year))
output = np.empty((5784, 7585))
output.fill(-9999)
for i in range(5784):
for j in range(7585):
def test_from_wkt():
wgs84 = CRS.from_string("+proj=longlat +datum=WGS84 +no_defs")
from_wkt = CRS.from_wkt(wgs84.to_wkt())
assert wgs84.to_wkt() == from_wkt.to_wkt()
def reproject(in_raster,
out_raster=None,
reference_raster=None,
target_projection=None,
resampling=0,
output_format='MEM',
quiet=True,
compress=True):
'''
'''
# Is the output format correct?
if out_raster is None and output_format != 'MEM':
raise AttributeError(
"If output_format is not MEM, out_raster must be defined")
# If out_raster is specified, default to GTiff output format
if out_raster is not None and output_format == 'MEM':
output_format = 'GTiff'
if out_raster is None:
out_raster = 'ignored' # This is necessary as GDAL expects a string no matter what.
else:
assert os.path.isdir(os.path.dirname(
out_raster)), f'Output folder does not exists: {out_raster}'
assert reference_raster is None or target_projection is None, 'reference_raster and target_epsg cannot be applied at the same time.'
if isinstance(in_raster, gdal.Dataset): # Dataset already GDAL dataframe.
source_raster = in_raster
else:
try:
source_raster = gdal.Open(in_raster, gdal.GA_ReadOnly)
except:
try:
if isinstance(in_raster, np.ndarray):
source_raster = array_to_raster(
in_raster, reference_raster=reference_raster)
else:
raise Exception('Unable to transform in_raster.')
except:
raise Exception('Unable to read in_raster.')
# Gather reference information
if reference_raster is not None:
if isinstance(reference_raster,
gdal.Dataset): # Dataset already GDAL dataframe.
target_projection = CRS.from_wkt(reference_raster.GetProjection())
else:
try:
target_projection = CRS.from_wkt(
gdal.Open(reference_raster,
gdal.GA_ReadOnly).GetProjection())
except:
raise Exception('Unable to read reference_raster.')
else:
try:
target_projection = CRS.from_epsg(target_projection)
except:
try:
target_projection = CRS.from_wkt(target_projection)
except:
try:
if isinstance(target_projection, CRS):
target_projection = target_projection
else:
raise Exception(
'Unable to transform target_projection')
except:
raise Exception('Unable to read target_projection')
driver = gdal.GetDriverByName(output_format)
datatype = source_raster.GetRasterBand(1).DataType
# If the output is not memory, set compression options.
creation_options = []
if compress is True:
if output_format != 'MEM':
if datatype_is_float(datatype) is True:
predictor = 3 # Float predictor
else:
predictor = 2 # Integer predictor
creation_options = [
'COMPRESS=DEFLATE', f'PREDICTOR={predictor}',
'NUM_THREADS=ALL_CPUS', 'BIGTIFF=YES'
]
og_projection_osr = osr.SpatialReference()
og_projection_osr.ImportFromWkt(source_raster.GetProjection())
dst_projection_osr = osr.SpatialReference()
dst_projection_osr.ImportFromWkt(target_projection.to_wkt())
og_transform = source_raster.GetGeoTransform()
og_x_size = source_raster.RasterXSize
og_y_size = source_raster.RasterYSize
coord_transform = osr.CoordinateTransformation(og_projection_osr,
dst_projection_osr)
o_ulx, xres, xskew, o_uly, yskew, yres = og_transform
o_lrx = o_ulx + (og_x_size * xres)
o_lry = o_uly + (og_y_size * yres)
og_col = (o_lrx - o_ulx)
og_row = (o_uly - o_lry)
ulx, uly, ulz = coord_transform.TransformPoint(float(o_ulx), float(o_uly))
urx, ury, urz = coord_transform.TransformPoint(float(o_lrx), float(o_uly))
lrx, lry, lrz = coord_transform.TransformPoint(float(o_lrx), float(o_lry))
llx, lly, llz = coord_transform.TransformPoint(float(o_ulx), float(o_lry))
dst_col = max(lrx, urx) - min(llx, ulx)
dst_row = max(ury, uly) - min(lry, lly)
cols = int((dst_col / og_col) * og_x_size)
rows = int((dst_row / og_row) * og_y_size)
dst_pixel_width = dst_col / cols
dst_pixel_height = dst_row / rows
dst_transform = (min(ulx, llx), dst_pixel_width, -0.0, max(uly, ury), 0.0,
-dst_pixel_height)
destination_dataframe = driver.Create(out_raster, cols, rows, 1, datatype,
creation_options)
destination_dataframe.SetProjection(target_projection.to_wkt())
destination_dataframe.SetGeoTransform(dst_transform)
# gdal.Warp(
# destination_dataframe,
# source_raster,
# format=output_format,
# multithread=True,
# srcSRS=og_projection_osr.ExportToWkt(),
# dstSRS=target_projection.to_wkt(),
# )
gdal.ReprojectImage(source_raster, destination_dataframe,
og_projection_osr.ExportToWkt(),
target_projection.to_wkt(), resampling)
destination_dataframe.FlushCache()
if output_format == 'MEM':
return destination_dataframe
else:
destination_dataframe = None
return out_raster
def reproject_shapefile(shapefile_path, model_raster, out_path) -> str:
"""Returns two file paths with matching projections
Reprojects vector to match projection of raster (if
necessary)
Parameters
---------_
shapefile_path:str
Path to shapefile that will be reprojected
model_raster:str
Path to model raster from which projection
information will be extracted
out_path: str
Location on disk where output is to be
written
Returns
-------
String path to new reprojected shapefile
"""
# get raster projection as wkt
with rasterio.open(model_raster,'r') as img:
raster_wkt = img.profile['crs'].to_wkt()
# get shapefile projection as wkt
with open(shapefile_path.replace(".shp",".prj")) as rf:
shapefile_wkt = rf.read()
# if it's a match, nothing needs to be done
if raster_wkt == shapefile_wkt:
log.warning("CRS already match")
# get input directory and filename
in_dir = os.path.dirname(shapefile_path)
in_name = os.path.splitext(os.path.basename(shapefile_path))[0]
# list all elements of shapefile
all_shape_files = glob.glob(os.path.join(in_dir,f"{in_name}.*"))
# get output directory and filenames
out_dir = os.path.dirname(out_path)
out_name = os.path.splitext(os.path.basename(out_path))[0]
for f in all_shape_files:
name, ext = os.path.splitext(os.path.basename(f))
out_f = os.path.join(out_dir,f"{out_name}{ext}")
with open(f,'rb') as rf:
with open(out_f,'wb') as wf:
shutil.copyfileobj(rf,wf)
else:
# get CRS objects
raster_crs = CRS.from_wkt(raster_wkt)
shapefile_crs = CRS.from_wkt(shapefile_wkt)
#transformer = Transformer.from_crs(raster_crs,shapefile_crs)
# convert geometry and crs
out_shapefile_path = out_path # os.path.join(temp_dir,os.path.basename(shapefile_path))
data = gpd.read_file(shapefile_path)
data_proj = data.copy()
data_proj['geometry'] = data_proj['geometry'].to_crs(raster_crs)
data_proj.crs = raster_crs
# save output
data_proj.to_file(out_shapefile_path)
return out_shapefile_path
def test_from_wkt_invalid():
with pytest.raises(CRSError):
CRS.from_wkt(CRS(4326).to_proj4())
def __init__(self):
self.__projection_for_Baden_Wuerttemberg = CRS.from_wkt( # projection as used by Landesamt für Geoinformation und Landentwicklung in Baden-Württemberg
"""PROJCS["ETRS89 / UTM zone 32N",GEOGCS["ETRS89",DATUM["European Terrestrial Reference System 1989",SPHEROID["GRS 1980",6378137.0,298.257222101,AUTHORITY["EPSG","7019"]],TOWGS84[0.0,0.0,0.0,0.0,0.0,0.0,0.0],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0.0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.017453292519943295],AXIS["Geodetic longitude",EAST],AXIS["Geodetic latitude",NORTH],AUTHORITY["EPSG","4258"]],PROJECTION["Transverse Mercator",AUTHORITY["EPSG","9807"]],PARAMETER["central_meridian",9.0],PARAMETER["latitude_of_origin",0.0],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000.0],PARAMETER["false_northing",0.0],UNIT["m",1.0],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","25832"]]"""
)
self.__transformer = Transformer.from_crs(
self.__projection_for_Baden_Wuerttemberg, "EPSG:4326")
def is_geographic(self):
return CRS.from_wkt(self.wkt).is_geographic
# Show the NDVI geoTiff
EEAtiff = 'data/eea_r_3035_1_km_forest-assemblage-sps_2006.tif'
EEArs = rs.open(EEAtiff)
show(EEArs)
# Print specifications of NDVI geoTiff
print('No. of bands: ' + str(EEArs.count))
print('Image resolution: ' + str(EEArs.height) + str(EEArs.width))
print('Coordinate Reference System (CRS): ' + str(EEArs.crs))
# Load EEA csv
EEAcsv = 'data/eea_r_3035_1_km_forest-assemblage-sps_2006.csv'
# EEA data into pandas
EEA = pd.read_csv(EEAcsv)
# Dataset Coordinate Reference System (inside 'EEArs.crs')
crs = CRS.from_wkt('PROJCS["ETRS89-extended / LAEA Europe",GEOGCS["ETRS89",DATUM["European_Terrestrial_Reference_System_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6258"]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]]],PROJECTION["Lambert_Azimuthal_Equal_Area"],PARAMETER["latitude_of_center",52],PARAMETER["longitude_of_center",10],PARAMETER["false_easting",4321000],PARAMETER["false_northing",3210000],UNIT["metre",1],AXIS["Easting",EAST],AXIS["Northing",NORTH]]')
# WGS84 (lat lon) Reference System
#wgs84 = CRS("EPSG:4326")
#epsg3035 = CRS("EPSG:3035")
# Transform the coordinates
#new_transformer = Transformer.from_crs(epsg3035, wgs84)
#transformer = Transformer.from_crs(crs, wgs84)
#transformer_from_wgs84 = Transformer.from_crs(wgs84, epsg3035)
# New coordinates
#x3, y3 = transformer.transform(900500, 900500)
# Define a projection from the GeoTiff reference system
p = Proj(crs)
EEA_france = EEA.loc[EEA['x'] >= p(3.5, 44.3)[0]].loc[EEA['x'] <= p(4.6, 45)[0]].loc[EEA['y'] >= p(3.5, 44.3)[1]].loc[ EEA['y'] <= p(4.6, 45)[1]]
def crs_sniffer(
*args: Union[str, Path, Sequence[Union[str, Path]]]
) -> Union[List[Union[str, int]], str, int]:
"""Return the list of CRS found in files.
Parameters
----------
args : Union[str, Path, Sequence[Union[str, Path]]]
Path(s) to the file(s) to examine.
Returns
-------
Union[List[str], str]
Returns either a list of CRSes or a single CRS definition, depending on the number of instances found.
"""
crs_list = list()
vectors = (".gml", ".shp", ".geojson", ".gpkg", ".json")
rasters = (".tif", ".tiff")
all_files = vectors + rasters
for file in args:
found_crs = False
suffix = Path(file).suffix.lower()
try:
if suffix == ".zip":
file = archive_sniffer(file, extensions=all_files)[0]
suffix = Path(file).suffix.lower()
if suffix in vectors:
if suffix == ".gpkg":
if len(fiona.listlayers(file)) > 1:
raise NotImplementedError
with fiona.open(file, "r") as src:
found_crs = CRS.from_wkt(src.crs_wkt).to_epsg()
elif suffix in rasters:
with rasterio.open(file, "r") as src:
found_crs = CRS.from_user_input(src.crs).to_epsg()
else:
raise FileNotFoundError("Invalid filename suffix")
except FileNotFoundError as e:
msg = f"{e}: Unable to open file {args}"
LOGGER.warning(msg)
raise Exception(msg)
except NotImplementedError as e:
msg = f"{e}: Multilayer GeoPackages are currently unsupported"
LOGGER.error(msg)
raise Exception(msg)
except RuntimeError:
pass
crs_list.append(found_crs)
if crs_list is None:
msg = f"No CRS definitions found in {args}."
raise FileNotFoundError(msg)
if len(crs_list) == 1:
if not crs_list[0]:
msg = f"No CRS definitions found in {args}. Assuming {WGS84}."
LOGGER.warning(msg)
warnings.warn(msg, UserWarning)
return WGS84
return crs_list[0]
return crs_list
def prepareRaster(
df: pd.DataFrame,
crs: CRS = CRS.from_epsg(3035),
variable: str = "",
delete_orig: bool = False,
):
"""
Convert original raster or NetCDF into EnerMaps rasters (single band, GeoTiff, EPSG:3035).
Parameters
----------
df : DataFrame.
Results of API extraction.
crs : pyproj.crs.CRS.
coordinate reference system.
variable : str, optional.
Variable of NETCDF.
delete_orig : bool, optional.
Set to True to delete original downloaded file (e.g. NetCDF).
Returns
-------
df : DataFrame
Results with schema for EnerMaps data table
"""
dicts = []
for i, row in df.iterrows():
filename = row["value"]
if filename.startswith("http"):
filename = "/vsicurl/" + filename
if filename[-2:] == "nc":
src_ds = gdal.Open("NETCDF:{0}:{1}".format(filename, variable))
else:
src_ds = gdal.Open(filename)
# Override function parameter
if "variable" in row.index:
variable = row["variable"]
if "crs" in df.columns:
source_wkt = osr.SpatialReference()
source_wkt.ImportFromEPSG(row.crs.to_epsg())
source_wkt = source_wkt.ExportToPrettyWkt()
source_crs = CRS.from_wkt(source_wkt)
else:
prj = src_ds.GetProjection()
srs = osr.SpatialReference(wkt=prj)
source_crs = CRS.from_epsg(srs.GetAttrValue("authority", 1))
dest_wkt = osr.SpatialReference()
dest_wkt.ImportFromEPSG(crs.to_epsg())
dest_wkt = dest_wkt.ExportToPrettyWkt()
for b in range(src_ds.RasterCount):
my_dict = {}
b += 1
dest_filename = Path(filename).stem
dest_filename += "_band" + str(b)
# Translating to make sure that the raster settings are consistent for each band
logging.info("Translating band {}".format(b))
os.system(
"gdal_translate {filename} {dest_filename}.tif -b {b} -of GTIFF --config GDAL_PAM_ENABLED NO -co COMPRESS=DEFLATE -co BIGTIFF=YES".format(
filename=filename, dest_filename=dest_filename, b=b
)
)
# Reprojecting if needed
if source_crs.to_epsg() != crs.to_epsg():
logging.info(
"Warping from {} to {}".format(source_crs.to_epsg(), crs.to_epsg())
)
intermediate_filename = dest_filename + ".tif" # from previous step
dest_filename += "_{}".format(crs.to_epsg())
os.system(
"gdalwarp {intermediate_filename} {dest_filename}.tif -of GTIFF -s_srs {sourceSRS} -t_srs {outputSRS} --config GDAL_PAM_ENABLED NO -co COMPRESS=DEFLATE -co BIGTIFF=YES".format(
intermediate_filename=intermediate_filename,
dest_filename=dest_filename,
outputSRS=crs.to_string(),
sourceSRS=source_crs.to_string(),
)
)
os.remove(intermediate_filename)
dest_filename += ".tif"
logging.info(dest_filename)
my_dict["start_at"] = row["start_at"] + pd.Timedelta(hours=row["dt"]) * (
b - 1
)
my_dict["z"] = row["z"]
my_dict["dt"] = row["dt"]
my_dict["unit"] = row["unit"]
my_dict["variable"] = variable
my_dict["fid"] = dest_filename
my_dict["israster"] = True
dicts.append(my_dict)
data = pd.DataFrame(
dicts,
columns=[
"start_at",
"fields",
"variable",
"value",
"ds_id",
"fid",
"dt",
"z",
"unit",
"israster",
],
)
if delete_orig:
os.remove(filename)
return data
import arcpy
from pyproj import CRS
from pyproj import Transformer
import os
# environment settings
env_path = r"C:\Users\sozeren.mapit\Documents\ArcGIS\Projects\KoordinatSistemiTest\cbsarcgisew.sde"
arcpy.env.workspace = env_path
# transformation settings
src_wkt = """PROJCS["ED_1950_Turkey_12",GEOGCS["GCS_European_1950",DATUM["D_European_1950",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",12500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",36.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0]]"""
target_wkt = """PROJCS["ED_1950_TM36",GEOGCS["GCS_European_1950",DATUM["D_European_1950",SPHEROID["International_1924",6378388.0,297.0]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Gauss_Kruger"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",36.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",2322]]"""
# initial variables
src_crs = CRS.from_wkt(src_wkt)
target_crs = CRS.from_wkt(target_wkt)
transformer = Transformer.from_crs(src_crs, target_crs)
try:
with arcpy.da.UpdateCursor("Numarataj", ['OID@', 'SHAPE@XY']) as ucursor:
for row in ucursor:
old_x, old_y = row[1][0], row[1][1]
new_x, new_y = transformer.transform(old_x, old_y)
row[1] = new_x, new_y
ucursor.updateRow(row)
arcpy.DefineProjection_management("Numarataj", target_wkt)
