Hi,
I do apologize if this is a dumb question but...
Could someone please help me understand the relationships between the
planar graph, geometry graph, and spatial indexing classes?
I see two "planar graphs" in different namespaces, but no docs on
"geometry graph" yet, so I'm a little bit confused on where to look.
I'm looking for four types of functionality:
- A spatial index to speed up queries within an envelope. (Looks like
there are plenty of classes for that. :-)
- A planar map that can contain already-built topological planar graphs
from a file (e.g. I already have the topo info and need a container to
hold it and do things like adjacency queries and iteration).
- A planar map that can be built from GIS primitives like polygons and
multi-polygons.
In particular if there are classes that can do more than one of these
tasks with a performance advantage, that's what I'm really after.
If anyone can point me at the right classes for the right jobs, it would
be greatly appreciated!
*cheers*
ben
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