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[4.1.x] Fixed #33721 -- Added DE-9IM link in GEOS docs.
Backport of 1be9585d73c50df733eb4d1484651bb8548a1205 from main
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@ -410,7 +410,7 @@ return a boolean.
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The ``covers`` predicate has the following equivalent definitions:
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* Every point of the other geometry is a point of this geometry.
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* The DE-9IM Intersection Matrix for the two geometries is
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* The `DE-9IM`_ Intersection Matrix for the two geometries is
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``T*****FF*``, ``*T****FF*``, ``***T**FF*``, or ``****T*FF*``.
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If either geometry is empty, returns ``False``.
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@ -423,6 +423,8 @@ return a boolean.
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added benefit, ``covers()`` is more amenable to optimization and hence
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should outperform :meth:`~GEOSGeometry.contains`.
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.. _DE-9IM: https://en.wikipedia.org/wiki/DE-9IM
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.. method:: GEOSGeometry.crosses(other)
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Returns ``True`` if the DE-9IM intersection matrix for the two Geometries
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