Add clustering functions #388
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It is not used in any GEOS code and not included in the build.
This is intended to cover the case where a packager builds with an undefined build type in order to have all compiler flags drawn from the environment.
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Re-entrant variants are just cross-referenced to their simple variants. Deprecated functions still exist but with deprecation markings and recommended replacements. Order of functions in the .h file might be improved, perhaps with simple variants up front, followed by re-entrants, then deprecated.
…of artifacts accidentally committed if the are taken out
to the CAPI doco
Fixes libgeos#431 Signed-off-by: Ulysse Buonomo <buonomo.ulysse@gmail.com>
Add GeometryFixer class, and associated changes. Expose in CAPI via GEOSMakeValidWithParams() which takes a parameters object GEOSMakeValidParams*. Default remains same but can be easily switched in GEOSMakeValid().
when called with an invalid input polygon (too small ring). Preserves old behaviour, instead of returning a 3-point polygon.
…s under clang, which seem to be failiure for reasons that have nothing to do with our code.
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Adds the DBSCAN, simple distance, and intersection clustering that's available in PostGIS. Also adds a clustering based on envelope intersection.