コード例 #1
0
ファイル: strtree.py プロジェクト: IBAS0742/python-shapely
 def __init__(self, geoms):
     self._n_geoms = len(geoms)
     # GEOS STRtree capacity has to be > 1
     self._tree_handle = lgeos.GEOSSTRtree_create(max(2, len(geoms)))
     for geom in geoms:
         lgeos.GEOSSTRtree_insert(self._tree_handle, geom._geom,
                                  ctypes.py_object(geom))
コード例 #2
0
ファイル: strtree.py プロジェクト: vishalbelsare/Shapely
    def __init__(
        self,
        geoms: Iterable[BaseGeometry],
        items: Iterable[Any] = None,
        node_capacity: int = 10,
    ):
        self.node_capacity = node_capacity

        # Keep references to geoms
        self._geoms = list(geoms)
        # Default enumeration index to store in the tree
        self._idxs = list(range(len(self._geoms)))

        # handle items
        self._has_custom_items = items is not None
        if not self._has_custom_items:
            items = self._idxs
        self._items = items

        # initialize GEOS STRtree
        self._tree = lgeos.GEOSSTRtree_create(self.node_capacity)
        i = 0
        for idx, geom in zip(self._idxs, self._geoms):
            # filter empty geometries out of the input
            if geom is not None and not geom.is_empty:
                lgeos.GEOSSTRtree_insert(self._tree, geom._geom,
                                         ctypes.py_object(idx))
                i += 1
        self._n_geoms = i
コード例 #3
0
ファイル: strtree.py プロジェクト: vikasgoel2000/lambda-packs
 def __init__(self, geoms):
     # filter empty geometries out of the input
     geoms = [geom for geom in geoms if not geom.is_empty]
     self._n_geoms = len(geoms)
     # GEOS STRtree capacity has to be > 1
     self._tree_handle = lgeos.GEOSSTRtree_create(max(2, len(geoms)))
     for geom in geoms:
         lgeos.GEOSSTRtree_insert(self._tree_handle, geom._geom, ctypes.py_object(geom))
コード例 #4
0
ファイル: spatial_index.py プロジェクト: yazad3/atlas
    def __init__(self, items):
        """
        Parameter items is a list of tuples, where each tuple lookes like:
        (entity_id: long, entity_geometry: shapely.geometry.polygon)
        """
        self._n_geoms = len(items)

        self._tree_handle = shapely.geos.lgeos.GEOSSTRtree_create(max(4, len(items)))
        for item in items:
            _lgeos.GEOSSTRtree_insert(self._tree_handle, item[1]._geom,
                                      ctypes.py_object(long(item[0])))

        geoms = [item[1] for item in items]
        self._geoms = list(geoms)
コード例 #5
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 def _init_tree_handle(self, geoms):
     node_capacity = 10
     self._tree_handle = lgeos.GEOSSTRtree_create(node_capacity)
     for geom in geoms:
         lgeos.GEOSSTRtree_insert(self._tree_handle, geom._geom, ctypes.py_object(geom))