object PlanarGraph

The computation of the IntersectionMatrix relies on the use of a structure called a "topology graph". The topology graph contains nodes and edges corresponding to the nodes and line segments of a Geometry. Each node and edge in the graph is labeled with its topological location relative to the source geometry. <P> Note that there is no requirement that points of self-intersection be a vertex. Thus to obtain a correct topology graph, Geometrys must be self-noded before constructing their graphs. <P> Two fundamental operations are supported by topology graphs: <UL> <LI>Computing the intersections between all the edges and nodes of a single graph <LI>Computing the intersections between the edges and nodes of two different graphs </UL>

Version

1.7

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  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  11. final def isInstanceOf[T0]: Boolean
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  12. def linkResultDirectedEdges(nodes: Collection[Node]): Unit

    For nodes in the Collection, link the DirectedEdges at the node that are in the result.

    For nodes in the Collection, link the DirectedEdges at the node that are in the result. This allows clients to link only a subset of nodes in the graph, for efficiency (because they know that only a subset is of interest).

  13. final def ne(arg0: AnyRef): Boolean
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