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Results tagged with gis-principle
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user 960
Use for questions which involve a GIS principle or theory and are software agnostic
23
votes
What are Definition, Algorithms and Practical Solutions for Concave Hull?
There is an implementation of ST_ConcaveHull in PostGIS trunk.
http://postgis.net/docs/ST_ConcaveHull.html
- 13.3k
4
votes
Algorithms for matching segments
If you tear apart one of the linestrings to compare and test if the vertexpoints is within some distance from the other linestring to compare you can control the test in many ways.
those examples work …
- 13.3k