def __init__(self, coordinates=None): """ Parameters ---------- coordinates : sequence A sequence of (x, y [,z]) numeric coordinate pairs or triples. Also can be a sequence of Point objects. Rings are implicitly closed. There is no need to specific a final coordinate pair identical to the first. Example ------- Construct a square ring. >>> ring = LinearRing( ((0, 0), (0, 1), (1 ,1 ), (1 , 0)) ) >>> ring.is_closed True >>> ring.length 4.0 """ BaseGeometry.__init__(self) if coordinates is not None: ret = geos_linearring_from_py(coordinates) if ret is not None: self._geom, self._ndim = ret
def __init__(self, shell=None, holes=None): """ Parameters ---------- shell : sequence A sequence of (x, y [,z]) numeric coordinate pairs or triples. Also can be a sequence of Point objects. holes : sequence A sequence of objects which satisfy the same requirements as the shell parameters above Example ------- Create a square polygon with no holes >>> coords = ((0., 0.), (0., 1.), (1., 1.), (1., 0.), (0., 0.)) >>> polygon = Polygon(coords) >>> polygon.area 1.0 """ BaseGeometry.__init__(self) if shell is not None: ret = geos_polygon_from_py(shell, holes) if ret is not None: self._geom, self._ndim = ret else: self._empty()
def __init__(self, coordinates=None): """Initialize. Parameters ---------- coordinates : sequence or array This may be an object that satisfies the numpy array protocol, providing an M x 2 or M x 3 (with z) array, or it may be a sequence of x, y (,z) coordinate sequences. Example ------- >>> geom = MultiPoint([[0.0, 0.0], [1.0, 2.0]]) >>> geom = MultiPoint(array([[0.0, 0.0], [1.0, 2.0]])) Each result in a line string from (0.0, 0.0) to (1.0, 2.0). """ BaseGeometry.__init__(self) if coordinates is None: # allow creation of null lines, to support unpickling pass else: self._geom, self._ndim = geos_multipoint_from_py(coordinates)
def __init__(self, shell=None, holes=None): """ Parameters ---------- shell : sequence A sequence of (x, y [,z]) numeric coordinate pairs or triples holes : sequence A sequence of objects which satisfy the same requirements as the shell parameters above Example ------- Create a square polygon with no holes >>> coords = ((0., 0.), (0., 1.), (1., 1.), (1., 0.), (0., 0.)) >>> polygon = Polygon(coords) >>> polygon.area 1.0 """ BaseGeometry.__init__(self) if shell is not None: ret = geos_polygon_from_py(shell, holes) if ret is not None: self._geom, self._ndim = ret else: self.empty()
def __init__(self, coordinates=None): """Initialize. Parameters ---------- coordinates : sequence Contains coordinate sequences or objects that provide the numpy array protocol, providing an M x 2 or M x 3 (with z) array. Example ------- >>> geom = MultiLineString( [[[0.0, 0.0], [1.0, 2.0]]] ) >>> geom = MultiLineString( [ array([[0.0, 0.0], [1.0, 2.0]]) ] ) Each result in a collection containing one line string. """ BaseGeometry.__init__(self) if coordinates is None: # allow creation of null lines, to support unpickling pass else: self._geom, self._ndim = geos_multilinestring_from_py(coordinates)
def __init__(self, *args): """ Parameters ---------- There are 2 cases: 1) 1 parameter: this must satisfy the numpy array protocol. 2) 2 or more parameters: x, y, z : float Easting, northing, and elevation. """ BaseGeometry.__init__(self) if len(args) > 0: self._set_coords(*args)
def __init__(self, shell=None, holes=None): """Initialize. Parameters ---------- exterior : sequence or array This may be an object that satisfies the numpy array protocol, providing an M x 2 or M x 3 (with z) array, or it may be a sequence of x, y (,z) coordinate sequences. Example ------- >>> coords = ((0., 0.), (0., 1.), (1., 1.), (1., 0.), (0., 0.)) >>> polygon = Polygon(coords) """ BaseGeometry.__init__(self) if shell is not None: self._geom, self._ndim = geos_polygon_from_py(shell, holes)
def __init__(self, coordinates=None): """ Parameters ---------- coordinates : sequence A sequence of (x, y [,z]) numeric coordinate pairs or triples or an object that provides the numpy array interface, including another instance of LineString. Example ------- Create a line with two segments >>> a = LineString([[0, 0], [1, 0], [1, 1]]) >>> a.length 2.0 """ BaseGeometry.__init__(self) if coordinates is not None: self._set_coords(coordinates)
def __init__(self, *args): """ Parameters ---------- There are 2 cases: 1) 1 parameter: this must satisfy the numpy array protocol. 2) 2 or more parameters: x, y, z : float Easting, northing, and elevation. """ BaseGeometry.__init__(self) if len(args) > 0: if len(args) == 1: self._geom, self._ndim = geos_point_from_py(args[0]) elif len(args) > 3: raise TypeError( "Point() takes at most 3 arguments ({} given)".format( len(args))) else: self._geom, self._ndim = geos_point_from_py(tuple(args))
def __init__(self, coordinates=None): """Initialize. Parameters ---------- coordinates : sequence or array This may be an object that satisfies the numpy array protocol, providing an M x 2 or M x 3 (with z) array, or it may be a sequence of x, y (,z) coordinate sequences. Rings are implicitly closed. There is no need to specific a final coordinate pair identical to the first. Example ------- >>> ring = LinearRing( ((0.,0.), (0.,1.), (1.,1.), (1.,0.)) ) Produces a 1x1 square. """ BaseGeometry.__init__(self) self._init_geom(coordinates)
def __init__(self, coordinates=None): """Initialize. Parameters ---------- coordinates : sequence or array This may be an object that satisfies the numpy array protocol, providing an M x 2 or M x 3 (with z) array, or it may be a sequence of x, y (,z) coordinate sequences. Example ------- >>> line = LineString([[0.0, 0.0], [1.0, 2.0]]) >>> line = LineString(array([[0.0, 0.0], [1.0, 2.0]])) Each result in a line string from (0.0, 0.0) to (1.0, 2.0). """ BaseGeometry.__init__(self) self._init_geom(coordinates)
def __init__(self, coordinates=None): """ Parameters ---------- coordinates : sequence A sequence of (x, y [,z]) numeric coordinate pairs or triples Rings are implicitly closed. There is no need to specific a final coordinate pair identical to the first. Example ------- Construct a square ring. >>> ring = LinearRing( ((0, 0), (0, 1), (1 ,1 ), (1 , 0)) ) >>> ring.is_closed True >>> ring.length 4.0 """ BaseGeometry.__init__(self) if coordinates is not None: self._set_coords(coordinates)