Re: [Jts-topo-suite-user] Union semantic
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From: Martin D. <mtn...@te...> - 2011-05-21 22:24:53
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2) I guess you mean the Geometry#union(Geometry) javadoc. Good point that this could use a bit more detailed explanation. I'll update it. On 5/15/2011 1:21 AM, Michaël Michaud wrote: > Hi Martin, > > Some questions / suggestions about union operator > > 1) I'm wondering if there is a reason why Geometry.union(Geometry) still > not support GeometryCollection, while Geometry.union() now supports them. > > 2) I'm often confused by the difference between polygon unioning > (dissolving adjacent polygons) and linestring unioning (dissolving > coincident linestring but not merging adjacent linestring where possible). > > Difference between dissolving and merging for linestring is explained in > UnaryUnionOp javadoc but a bit confusing (for me) in Geometry javadoc. > > 3) I find it would be useful if Union (or at least UnaryUnionOp) had an > option to "merge" linestrings, as it is often wanted in a union operation. > > 4) typo in Geometry.union() javadoc : {link #union(Geometry)} instead of > {@link #union(Geometry)} > > Thanks for the excellent work on JTS, > > Michaël > > ------------------------------------------------------------------------------ > Achieve unprecedented app performance and reliability > What every C/C++ and Fortran developer should know. > Learn how Intel has extended the reach of its next-generation tools > to help boost performance applications - inlcuding clusters. > http://p.sf.net/sfu/intel-dev2devmay > _______________________________________________ > Jts-topo-suite-user mailing list > Jts...@li... > https://lists.sourceforge.net/lists/listinfo/jts-topo-suite-user > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1325 / Virus Database: 1500/3637 - Release Date: 05/14/11 > > > |