本文整理汇总了Python中shapely.geometry.base.BaseGeometry方法的典型用法代码示例。如果您正苦于以下问题:Python base.BaseGeometry方法的具体用法?Python base.BaseGeometry怎么用?Python base.BaseGeometry使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类shapely.geometry.base
的用法示例。
在下文中一共展示了base.BaseGeometry方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __getitem__
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def __getitem__(self, geometry):
if isinstance(geometry, BaseGeometry) or getattr(geometry, "__geo_interface__", None) is not None:
if self._tms_meta._bounds is None:
return self.aoi(geojson=mapping(geometry), from_proj=self.proj)
image = GeoDaskImage.__getitem__(self, geometry)
image._tms_meta = self._tms_meta
return image
else:
result = super(TmsImage, self).__getitem__(geometry)
image = super(TmsImage, self.__class__).__new__(self.__class__, result)
if all([isinstance(e, slice) for e in geometry]) and len(geometry) == len(self.shape):
xmin, ymin, xmax, ymax = geometry[2].start, geometry[1].start, geometry[2].stop, geometry[1].stop
xmin = 0 if xmin is None else xmin
ymin = 0 if ymin is None else ymin
xmax = self.shape[2] if xmax is None else xmax
ymax = self.shape[1] if ymax is None else ymax
g = ops.transform(self.__geo_transform__.fwd, box(xmin, ymin, xmax, ymax))
image.__geo_interface__ = mapping(g)
image.__geo_transform__ = self.__geo_transform__ + (xmin, ymin)
else:
image.__geo_interface__ = self.__geo_interface__
image.__geo_transform__ = self.__geo_transform__
image._tms_meta = self._tms_meta
return image
示例2: clip
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def clip(self, shape: base.BaseGeometry) -> Optional["Flight"]:
linestring = LineString(list(self.xy_time))
intersection = linestring.intersection(shape)
begin: Optional[datetime] = None
if intersection.is_empty:
return None
if isinstance(intersection, LineString):
begin, *_, end = list(
datetime.fromtimestamp(t, timezone.utc)
for t in np.stack(intersection.coords)[:, 2]
)
else:
for x in LineString(list(self.xy_time)).intersection(shape):
begin_, *_, end = list(
datetime.fromtimestamp(t, timezone.utc)
for t in np.stack(x.coords)[:, 2]
)
if begin is None:
begin = begin_
return self.between(begin, end)
示例3: to_dict
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def to_dict(obj):
"""
Makes the following types into serializable form:
* ApertureMacro
* BaseGeometry
:param obj: Shapely geometry.
:type obj: BaseGeometry
:return: Dictionary with serializable form if ``obj`` was
BaseGeometry or ApertureMacro, otherwise returns ``obj``.
"""
if isinstance(obj, ApertureMacro):
return {
"__class__": "ApertureMacro",
"__inst__": obj.to_dict()
}
if isinstance(obj, BaseGeometry):
return {
"__class__": "Shply",
"__inst__": sdumps(obj)
}
return obj
示例4: __getitem__
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def __getitem__(self, key):
if isinstance(key, tuple):
xx, yy = key
minx = int(math.floor(xx.start / self.resolution))
miny = int(math.floor(yy.start / self.resolution))
maxx = int(math.ceil(xx.stop / self.resolution))
maxy = int(math.ceil(yy.stop / self.resolution))
height, width = self.data.shape
minx = max(0, minx - self.x)
miny = max(0, miny - self.y)
maxx = max(0, maxx - self.x)
maxy = max(0, maxy - self.y)
return self.data[miny:maxy, minx:maxx].ravel()
from shapely.geometry.base import BaseGeometry
if isinstance(key, BaseGeometry):
bounds = self._get_geometry_bounds(key)
return self.data[self.get_geometry_cells(key, bounds)]
raise TypeError('GeometryIndexed index must be a shapely geometry or tuple, not %s' % type(key).__name__)
示例5: _convert_bounds_to_shapely_polygons
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def _convert_bounds_to_shapely_polygons(
geojson_labels: Dict[str, Dict[str, Any]]
) -> Dict[str, BaseGeometry]:
"""
Takes a dictionary of labels and bounds expressed as lists of geojson shapes
and returns a dictionary of labels and bounds expressed as Shapely polygons.
Parameters
----------
geojson_labels : dict
String -> geojson mappings
Returns
-------
dict
Dict of labels mapped to lists of shapely polygons
"""
bounds_dict = {}
for label, geom in geojson_labels.items():
try:
bounds_dict[label] = shape(geom)
except (AttributeError, IndexError, ValueError) as e:
raise ValueError(f"Geometry for {label} is not valid: {e}")
return bounds_dict
示例6: _load_geometry
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def _load_geometry(self, geometry_spec):
if isinstance(geometry_spec, BaseGeometry):
return geometry_spec
if isinstance(geometry_spec, dict):
return SimpleShape(geometry_spec['coordinates'],
geometry_spec["type"])
try:
return load_wkb(geometry_spec)
except Exception:
try:
return load_wkt(geometry_spec)
except Exception:
return None
示例7: pxbounds
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def pxbounds(self, geom, clip=False):
""" Returns the bounds of a geometry object in pixel coordinates
Args:
geom: Shapely geometry object or GeoJSON as Python dictionary or WKT string
clip (bool): Clip the bounds to the min/max extent of the image
Returns:
list: bounds in pixels [min x, min y, max x, max y] clipped to image bounds
"""
try:
if isinstance(geom, dict):
if 'geometry' in geom:
geom = shape(geom['geometry'])
else:
geom = shape(geom)
elif isinstance(geom, BaseGeometry):
geom = shape(geom)
else:
geom = wkt.loads(geom)
except:
raise TypeError ("Invalid geometry object")
# if geometry doesn't overlap the image, return an error
if geom.disjoint(shape(self)):
raise ValueError("Geometry outside of image bounds")
# clip to pixels within the image
(xmin, ymin, xmax, ymax) = ops.transform(self.__geo_transform__.rev, geom).bounds
_nbands, ysize, xsize = self.shape
if clip:
xmin = max(xmin, 0)
ymin = max(ymin, 0)
xmax = min(xmax, xsize)
ymax = min(ymax, ysize)
return (xmin, ymin, xmax, ymax)
示例8: geos_geometrycollection_from_py
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def geos_geometrycollection_from_py(ob):
"""Creates a GEOS GeometryCollection from a list of geometries"""
L = len(ob)
N = 2
subs = (c_void_p * L)()
for l in range(L):
assert(isinstance(ob[l], BaseGeometry))
if ob[l].has_z:
N = 3
geom, n = geos_geom_from_py(ob[l])
subs[l] = geom
return (lgeos.GEOSGeom_createCollection(7, subs, L), N)
# Test runner
示例9: shapeup
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def shapeup(self, ob):
if isinstance(ob, BaseGeometry):
return ob
else:
try:
return asShape(ob)
except ValueError:
return asLineString(ob)
示例10: _load_geometry
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def _load_geometry(self, geometry_spec):
if isinstance(geometry_spec, BaseGeometry):
return geometry_spec
if isinstance(geometry_spec, dict):
return SimpleShape(geometry_spec['coordinates'],
geometry_spec["type"])
try:
return load_wkb(geometry_spec)
except:
try:
return load_wkt(geometry_spec)
except:
return None
示例11: __init__
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def __init__(self, config_file: Path) -> None:
self.config_file = config_file
self.polygons: Dict[str, base.BaseGeometry] = {}
self.elements: Dict[str, List[Airspace]] = defaultdict(list)
self.airspaces: Dict[str, List[str]] = defaultdict(list)
self.description: Dict[str, str] = dict()
self.types: Dict[str, str] = dict()
self.initialized = False
示例12: inside_bbox
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def inside_bbox(self, bounds: Union[Airspace, Tuple[float, ...]]) -> "SO6":
"""
Selects all Flights intersecting the bounding box of the given airspace.
A tuple (west, south, east, north) is also accepted as a parameter.
.. code:: python
>>> bdx_so6 = so6.inside_bbox(nm_airspaces["LFBBBDX"])
>>> f"before: {len(so6)} flights, after: {len(bdx_so6)} flights"
before: 11043 flights, after: 1548 flights
"""
if isinstance(bounds, Airspace):
bounds = bounds.flatten().bounds
if isinstance(bounds, base.BaseGeometry):
bounds = bounds.bounds
west, south, east, north = bounds
# the numexpr query is 10% faster than the regular
# data[data.lat1 >= ...] conjunctions of comparisons
query = "{0} <= lon1 <= {2} and {1} <= lat1 <= {3}"
query = query.format(west, south, east, north)
data = self.data.query(query)
callsigns: Set[str] = set(data.callsign)
return SO6(
self.data.groupby("flight_id").filter(
lambda data: data.iloc[0].callsign in callsigns
)
)
示例13: shape
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def shape(self) -> base.BaseGeometry:
return linemerge(shape(x["geometry"]) for x in self.geojson())
示例14: clip
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def clip(self, shape: Union["Airspace", base.BaseGeometry]):
...
示例15: inside_bbox
# 需要导入模块: from shapely.geometry import base [as 别名]
# 或者: from shapely.geometry.base import BaseGeometry [as 别名]
def inside_bbox(
geography: T,
bounds: Union[
ShapelyMixin, base.BaseGeometry, Tuple[float, float, float, float]
],
) -> Optional[T]:
"""Returns the part of the DataFrame with coordinates located within the
bounding box of the shape passed in parameter.
The bounds parameter can be:
- an Airspace,
- a shapely Geometry,
- a tuple of floats (west, south, east, north)
"""
if isinstance(bounds, Airspace):
bounds = bounds.flatten().bounds
elif isinstance(bounds, base.BaseGeometry):
bounds = bounds.bounds
elif hasattr(bounds, "shape"):
bounds = bounds.shape.bounds # type: ignore
west, south, east, north = bounds
query = "{0} <= longitude <= {2} and {1} <= latitude <= {3}"
query = query.format(*bounds)
return geography.query(query)