def __init__(self, geo_input, srid=None):
"""
The base constructor for GEOS geometry objects, and may take the
following inputs:
* strings:
- WKT
- HEXEWKB (a PostGIS-specific canonical form)
- GeoJSON (requires GDAL)
* buffer:
- WKB
The `srid` keyword is used to specify the Source Reference Identifier
(SRID) number for this Geometry. If not set, the SRID will be None.
"""
input_srid = None
if isinstance(geo_input, bytes):
geo_input = force_text(geo_input)
if isinstance(geo_input, str):
wkt_m = wkt_regex.match(geo_input)
if wkt_m:
# Handling WKT input.
if wkt_m.group('srid'):
input_srid = int(wkt_m.group('srid'))
g = wkt_r().read(force_bytes(wkt_m.group('wkt')))
elif hex_regex.match(geo_input):
# Handling HEXEWKB input.
g = wkb_r().read(force_bytes(geo_input))
elif json_regex.match(geo_input):
# Handling GeoJSON input.
g = wkb_r().read(gdal.OGRGeometry(geo_input).wkb)
else:
raise ValueError(
'String input unrecognized as WKT EWKT, and HEXEWKB.')
elif isinstance(geo_input, GEOM_PTR):
# When the input is a pointer to a geometry (GEOM_PTR).
g = geo_input
elif isinstance(geo_input, memoryview):
# When the input is a buffer (WKB).
g = wkb_r().read(geo_input)
elif isinstance(geo_input, GEOSGeometry):
g = capi.geom_clone(geo_input.ptr)
else:
# Invalid geometry type.
raise TypeError('Improper geometry input type: %s' %
type(geo_input))
if not g:
raise GEOSException(
'Could not initialize GEOS Geometry with given input.')
input_srid = input_srid or capi.geos_get_srid(g) or None
if input_srid and srid and input_srid != srid:
raise ValueError('Input geometry already has SRID: %d.' %
input_srid)
# Setting the pointer object with a valid pointer.
self.ptr = g
# Post-initialization setup.
self._post_init(input_srid or srid)
def __init__(self, geom_input, srs=None):
"""Initialize Geometry on either WKT or an OGR pointer as input."""
str_instance = isinstance(geom_input, str)
# If HEX, unpack input to a binary buffer.
if str_instance and hex_regex.match(geom_input):
geom_input = memoryview(a2b_hex(geom_input.upper().encode()))
def __init__(self, geom_input, srs=None):
"Initializes Geometry on either WKT or an OGR pointer as input."
str_instance = isinstance(geom_input, basestring)
# If HEX, unpack input to to a binary buffer.
if str_instance and hex_regex.match(geom_input):
geom_input = buffer(a2b_hex(geom_input.upper()))
str_instance = False
# Constructing the geometry,
if str_instance:
# Checking if unicode
if isinstance(geom_input, unicode):
# Encoding to ASCII, WKT or HEX doesn't need any more.
geom_input = geom_input.encode('ascii')
wkt_m = wkt_regex.match(geom_input)
json_m = json_regex.match(geom_input)
if wkt_m:
if wkt_m.group('srid'):
# If there's EWKT, set the SRS w/value of the SRID.
srs = int(wkt_m.group('srid'))
if wkt_m.group('type').upper() == 'LINEARRING':
# OGR_G_CreateFromWkt doesn't work with LINEARRING WKT.
# See http://trac.osgeo.org/gdal/ticket/1992.
g = capi.create_geom(OGRGeomType(wkt_m.group('type')).num)
capi.import_wkt(g, byref(c_char_p(wkt_m.group('wkt'))))
else:
g = capi.from_wkt(byref(c_char_p(wkt_m.group('wkt'))), None, byref(c_void_p()))
elif json_m:
g = capi.from_json(geom_input)
else:
# Seeing if the input is a valid short-hand string
# (e.g., 'Point', 'POLYGON').
ogr_t = OGRGeomType(geom_input)
g = capi.create_geom(OGRGeomType(geom_input).num)
elif isinstance(geom_input, buffer):
# WKB was passed in
g = capi.from_wkb(str(geom_input), None, byref(c_void_p()), len(geom_input))
elif isinstance(geom_input, OGRGeomType):
# OGRGeomType was passed in, an empty geometry will be created.
g = capi.create_geom(geom_input.num)
elif isinstance(geom_input, self.ptr_type):
# OGR pointer (c_void_p) was the input.
g = geom_input
else:
raise OGRException('Invalid input type for OGR Geometry construction: %s' % type(geom_input))
# Now checking the Geometry pointer before finishing initialization
# by setting the pointer for the object.
if not g:
raise OGRException('Cannot create OGR Geometry from input: %s' % str(geom_input))
self.ptr = g
# Assigning the SpatialReference object to the geometry, if valid.
if bool(srs): self.srs = srs
# Setting the class depending upon the OGR Geometry Type
self.__class__ = GEO_CLASSES[self.geom_type.num]
def __init__(self, geo_input, srid=None):
"""
The base constructor for GEOS geometry objects, and may take the
following inputs:
* strings:
- WKT
- HEXEWKB (a PostGIS-specific canonical form)
- GeoJSON (requires GDAL)
* buffer:
- WKB
The `srid` keyword is used to specify the Source Reference Identifier
(SRID) number for this Geometry. If not set, the SRID will be None.
"""
input_srid = None
if isinstance(geo_input, bytes):
geo_input = force_text(geo_input)
if isinstance(geo_input, str):
wkt_m = wkt_regex.match(geo_input)
if wkt_m:
# Handling WKT input.
if wkt_m.group('srid'):
input_srid = int(wkt_m.group('srid'))
g = self._from_wkt(force_bytes(wkt_m.group('wkt')))
elif hex_regex.match(geo_input):
# Handling HEXEWKB input.
g = wkb_r().read(force_bytes(geo_input))
elif json_regex.match(geo_input):
# Handling GeoJSON input.
ogr = gdal.OGRGeometry.from_json(geo_input)
g = ogr._geos_ptr()
input_srid = ogr.srid
else:
raise ValueError('String input unrecognized as WKT EWKT, and HEXEWKB.')
elif isinstance(geo_input, GEOM_PTR):
# When the input is a pointer to a geometry (GEOM_PTR).
g = geo_input
elif isinstance(geo_input, memoryview):
# When the input is a buffer (WKB).
g = wkb_r().read(geo_input)
elif isinstance(geo_input, GEOSGeometry):
g = capi.geom_clone(geo_input.ptr)
else:
# Invalid geometry type.
raise TypeError('Improper geometry input type: %s' % type(geo_input))
if not g:
raise GEOSException('Could not initialize GEOS Geometry with given input.')
input_srid = input_srid or capi.geos_get_srid(g) or None
if input_srid and srid and input_srid != srid:
raise ValueError('Input geometry already has SRID: %d.' % input_srid)
# Setting the pointer object with a valid pointer.
self.ptr = g
# Post-initialization setup.
self._post_init(input_srid or srid)
def __init__(self, geo_input, srid=None):
"""
The base constructor for GEOS geometry objects. It may take the
following inputs:
* strings:
- WKT
- HEXEWKB (a PostGIS-specific canonical form)
- GeoJSON (requires GDAL)
* buffer:
- WKB
The `srid` keyword specifies the Source Reference Identifier (SRID)
number for this Geometry. If not provided, it defaults to None.
"""
input_srid = None
if isinstance(geo_input, bytes):
geo_input = force_text(geo_input)
if isinstance(geo_input, str):
wkt_m = wkt_regex.match(geo_input)
if wkt_m:
# Handle WKT input.
if wkt_m.group('srid'):
input_srid = int(wkt_m.group('srid'))
g = self._from_wkt(force_bytes(wkt_m.group('wkt')))
elif hex_regex.match(geo_input):
# Handle HEXEWKB input.
g = wkb_r().read(force_bytes(geo_input))
elif json_regex.match(geo_input):
# Handle GeoJSON input.
ogr = gdal.OGRGeometry.from_json(geo_input)
g = ogr._geos_ptr()
input_srid = ogr.srid
else:
raise ValueError('String input unrecognized as WKT EWKT, and HEXEWKB.')
elif isinstance(geo_input, GEOM_PTR):
# When the input is a pointer to a geometry (GEOM_PTR).
g = geo_input
elif isinstance(geo_input, memoryview):
# When the input is a buffer (WKB).
g = wkb_r().read(geo_input)
elif isinstance(geo_input, GEOSGeometry):
g = capi.geom_clone(geo_input.ptr)
else:
raise TypeError('Improper geometry input type: %s' % type(geo_input))
if not g:
raise GEOSException('Could not initialize GEOS Geometry with given input.')
input_srid = input_srid or capi.geos_get_srid(g) or None
if input_srid and srid and input_srid != srid:
raise ValueError('Input geometry already has SRID: %d.' % input_srid)
super().__init__(g, None)
# Set the SRID, if given.
srid = input_srid or srid
if srid and isinstance(srid, int):
self.srid = srid
def __init__(self, geo_input, srid=None):
"""
The base constructor for GEOS geometry objects, and may take the
following inputs:
* strings:
- WKT
- HEXEWKB (a PostGIS-specific canonical form)
- GeoJSON (requires GDAL)
* buffer:
- WKB
The `srid` keyword is used to specify the Source Reference Identifier
(SRID) number for this Geometry. If not set, the SRID will be None.
"""
if isinstance(geo_input, basestring):
if isinstance(geo_input, unicode):
# Encoding to ASCII, WKT or HEXEWKB doesn't need any more.
geo_input = geo_input.encode('ascii')
wkt_m = wkt_regex.match(geo_input)
if wkt_m:
# Handling WKT input.
if wkt_m.group('srid'): srid = int(wkt_m.group('srid'))
g = wkt_r().read(wkt_m.group('wkt'))
elif hex_regex.match(geo_input):
# Handling HEXEWKB input.
g = wkb_r().read(geo_input)
elif gdal.HAS_GDAL and json_regex.match(geo_input):
# Handling GeoJSON input.
g = wkb_r().read(gdal.OGRGeometry(geo_input).wkb)
else:
raise ValueError(
'String or unicode input unrecognized as WKT EWKT, and HEXEWKB.'
)
elif isinstance(geo_input, GEOM_PTR):
# When the input is a pointer to a geomtry (GEOM_PTR).
g = geo_input
elif isinstance(geo_input, buffer):
# When the input is a buffer (WKB).
g = wkb_r().read(geo_input)
elif isinstance(geo_input, GEOSGeometry):
g = capi.geom_clone(geo_input.ptr)
else:
# Invalid geometry type.
raise TypeError('Improper geometry input type: %s' %
str(type(geo_input)))
if bool(g):
# Setting the pointer object with a valid pointer.
self.ptr = g
else:
raise GEOSException(
'Could not initialize GEOS Geometry with given input.')
# Post-initialization setup.
self._post_init(srid)
def __init__(self, geom_input, srs=None):
"Initializes Geometry on either WKT or an OGR pointer as input."
str_instance = isinstance(geom_input, six.string_types)
# If HEX, unpack input to a binary buffer.
if str_instance and hex_regex.match(geom_input):
geom_input = six.memoryview(a2b_hex(geom_input.upper().encode()))
str_instance = False
# Constructing the geometry,
if str_instance:
wkt_m = wkt_regex.match(geom_input)
json_m = json_regex.match(geom_input)
if wkt_m:
if wkt_m.group('srid'):
# If there's EWKT, set the SRS w/value of the SRID.
srs = int(wkt_m.group('srid'))
if wkt_m.group('type').upper() == 'LINEARRING':
# OGR_G_CreateFromWkt doesn't work with LINEARRING WKT.
# See http://trac.osgeo.org/gdal/ticket/1992.
g = capi.create_geom(OGRGeomType(wkt_m.group('type')).num)
capi.import_wkt(g, byref(c_char_p(wkt_m.group('wkt').encode())))
else:
g = capi.from_wkt(byref(c_char_p(wkt_m.group('wkt').encode())), None, byref(c_void_p()))
elif json_m:
g = capi.from_json(geom_input.encode())
else:
# Seeing if the input is a valid short-hand string
# (e.g., 'Point', 'POLYGON').
OGRGeomType(geom_input)
g = capi.create_geom(OGRGeomType(geom_input).num)
elif isinstance(geom_input, six.memoryview):
# WKB was passed in
g = capi.from_wkb(bytes(geom_input), None, byref(c_void_p()), len(geom_input))
elif isinstance(geom_input, OGRGeomType):
# OGRGeomType was passed in, an empty geometry will be created.
g = capi.create_geom(geom_input.num)
elif isinstance(geom_input, self.ptr_type):
# OGR pointer (c_void_p) was the input.
g = geom_input
else:
raise GDALException('Invalid input type for OGR Geometry construction: %s' % type(geom_input))
# Now checking the Geometry pointer before finishing initialization
# by setting the pointer for the object.
if not g:
raise GDALException('Cannot create OGR Geometry from input: %s' % str(geom_input))
self.ptr = g
# Assigning the SpatialReference object to the geometry, if valid.
if srs:
self.srs = srs
# Setting the class depending upon the OGR Geometry Type
self.__class__ = GEO_CLASSES[self.geom_type.num]
def __init__(self, geo_input, srid=None):
"""
The base constructor for GEOS geometry objects, and may take the
following inputs:
* strings:
- WKT
- HEXEWKB (a PostGIS-specific canonical form)
- GeoJSON (requires GDAL)
* buffer:
- WKB
The `srid` keyword is used to specify the Source Reference Identifier
(SRID) number for this Geometry. If not set, the SRID will be None.
"""
if isinstance(geo_input, bytes):
geo_input = force_text(geo_input)
if isinstance(geo_input, six.string_types):
wkt_m = wkt_regex.match(geo_input)
if wkt_m:
# Handling WKT input.
if wkt_m.group("srid"):
srid = int(wkt_m.group("srid"))
g = wkt_r().read(force_bytes(wkt_m.group("wkt")))
elif hex_regex.match(geo_input):
# Handling HEXEWKB input.
g = wkb_r().read(force_bytes(geo_input))
elif json_regex.match(geo_input):
# Handling GeoJSON input.
if not gdal.HAS_GDAL:
raise ValueError("Initializing geometry from JSON input requires GDAL.")
g = wkb_r().read(gdal.OGRGeometry(geo_input).wkb)
else:
raise ValueError("String or unicode input unrecognized as WKT EWKT, and HEXEWKB.")
elif isinstance(geo_input, GEOM_PTR):
# When the input is a pointer to a geometry (GEOM_PTR).
g = geo_input
elif isinstance(geo_input, six.memoryview):
# When the input is a buffer (WKB).
g = wkb_r().read(geo_input)
elif isinstance(geo_input, GEOSGeometry):
g = capi.geom_clone(geo_input.ptr)
else:
# Invalid geometry type.
raise TypeError("Improper geometry input type: %s" % str(type(geo_input)))
if g:
# Setting the pointer object with a valid pointer.
self.ptr = g
else:
raise GEOSException("Could not initialize GEOS Geometry with given input.")
# Post-initialization setup.
self._post_init(srid)
def __init__(self, geo_input, srid=None):
"""
The base constructor for GEOS geometry objects, and may take the
following inputs:
* strings:
- WKT
- HEXEWKB (a PostGIS-specific canonical form)
- GeoJSON (requires GDAL)
* buffer:
- WKB
The `srid` keyword is used to specify the Source Reference Identifier
(SRID) number for this Geometry. If not set, the SRID will be None.
"""
if isinstance(geo_input, basestring):
if isinstance(geo_input, unicode):
# Encoding to ASCII, WKT or HEXEWKB doesn't need any more.
geo_input = geo_input.encode('ascii')
wkt_m = wkt_regex.match(geo_input)
if wkt_m:
# Handling WKT input.
if wkt_m.group('srid'): srid = int(wkt_m.group('srid'))
g = wkt_r().read(wkt_m.group('wkt'))
elif hex_regex.match(geo_input):
# Handling HEXEWKB input.
g = wkb_r().read(geo_input)
elif gdal.HAS_GDAL and json_regex.match(geo_input):
# Handling GeoJSON input.
g = wkb_r().read(gdal.OGRGeometry(geo_input).wkb)
else:
raise ValueError('String or unicode input unrecognized as WKT EWKT, and HEXEWKB.')
elif isinstance(geo_input, GEOM_PTR):
# When the input is a pointer to a geomtry (GEOM_PTR).
g = geo_input
elif isinstance(geo_input, buffer):
# When the input is a buffer (WKB).
g = wkb_r().read(geo_input)
elif isinstance(geo_input, GEOSGeometry):
g = capi.geom_clone(geo_input.ptr)
else:
# Invalid geometry type.
raise TypeError('Improper geometry input type: %s' % str(type(geo_input)))
if bool(g):
# Setting the pointer object with a valid pointer.
self.ptr = g
else:
raise GEOSException('Could not initialize GEOS Geometry with given input.')
# Post-initialization setup.
self._post_init(srid)
The `srid` keyword specifies the Source Reference Identifier (SRID)
number for this Geometry. If not provided, it defaults to None.
"""
input_srid = None
if isinstance(geo_input, bytes):
geo_input = force_text(geo_input)
if isinstance(geo_input, str):
wkt_m = wkt_regex.match(geo_input)
if wkt_m:
# Handle WKT input.
if wkt_m.group('srid'):
input_srid = int(wkt_m.group('srid'))
g = self._from_wkt(force_bytes(wkt_m.group('wkt')))
elif hex_regex.match(geo_input):
# Handle HEXEWKB input.
g = wkb_r().read(force_bytes(geo_input))
elif json_regex.match(geo_input):
# Handle GeoJSON input.
ogr = gdal.OGRGeometry.from_json(geo_input)
g = ogr._geos_ptr()
input_srid = ogr.srid
else:
raise ValueError('String input unrecognized as WKT EWKT, and HEXEWKB.')
elif isinstance(geo_input, GEOM_PTR):
# When the input is a pointer to a geometry (GEOM_PTR).
g = geo_input
elif isinstance(geo_input, memoryview):
# When the input is a buffer (WKB).
g = wkb_r().read(geo_input)
elif isinstance(geo_input, GEOSGeometry):