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50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
5 years ago
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from .base import GEOSBase
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from .prototypes import prepared as capi
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class PreparedGeometry(GEOSBase):
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"""
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A geometry that is prepared for performing certain operations.
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At the moment this includes the contains covers, and intersects
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operations.
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"""
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ptr_type = capi.PREPGEOM_PTR
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destructor = capi.prepared_destroy
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def __init__(self, geom):
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# Keeping a reference to the original geometry object to prevent it
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# from being garbage collected which could then crash the prepared one
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# See #21662
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self._base_geom = geom
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from .geometry import GEOSGeometry
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if not isinstance(geom, GEOSGeometry):
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raise TypeError
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self.ptr = capi.geos_prepare(geom.ptr)
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def contains(self, other):
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return capi.prepared_contains(self.ptr, other.ptr)
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def contains_properly(self, other):
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return capi.prepared_contains_properly(self.ptr, other.ptr)
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def covers(self, other):
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return capi.prepared_covers(self.ptr, other.ptr)
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def intersects(self, other):
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return capi.prepared_intersects(self.ptr, other.ptr)
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def crosses(self, other):
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return capi.prepared_crosses(self.ptr, other.ptr)
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def disjoint(self, other):
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return capi.prepared_disjoint(self.ptr, other.ptr)
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def overlaps(self, other):
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return capi.prepared_overlaps(self.ptr, other.ptr)
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def touches(self, other):
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return capi.prepared_touches(self.ptr, other.ptr)
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def within(self, other):
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return capi.prepared_within(self.ptr, other.ptr)
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