Michael has ported over my shapefile read modification to OJ that detects clockwise oriented linear rings that are inside other linear rings and interpret this as a hole. This was done in May 2008. If there is a case that it doesn't handle, please post the example in WKT format.
Larry On Tue, Feb 10, 2009 at 9:21 AM, Sunburned Surveyor < [email protected]> wrote: > Tuure, > > You wrote: "...OpenJUMP doesn't deal with some oddly broken geometries..." > > What are you trying to do with these geometries and how are they broken? > > The Sunburned Surveyor > > On Wed, Feb 4, 2009 at 5:20 PM, Tuure Laurinolli > <[email protected]> wrote: > > Stefan Steiniger wrote: > >> > >> Hei > >> > >> just a note: JUMP/OpenJUMP has a couple of tools for assessing > geometries > >> (Tools/QA menu). There is also a plugin that contains some classes from > the > >> Java Conflation Suite ( > >> > http://sourceforge.net/project/showfiles.php?group_id=118054&package_id=243601 > >> ) > > > >> could be that some tools/code are useful for your tasks > > > > I have used the tools in OpenJUMP to find out what's wrong with some > broken > > geometries, and to fix them by hand. This usually works beautifully, but > > OpenJUMP doesn't deal with some oddly broken geometries. IIRC the > > problematic ones were polygons with holes that have wrong orientation. > > _______________________________________________ > > jts-devel mailing list > > [email protected] > > http://lists.refractions.net/mailman/listinfo/jts-devel > > > _______________________________________________ > jts-devel mailing list > [email protected] > http://lists.refractions.net/mailman/listinfo/jts-devel > -- http://amusingprogrammer.blogspot.com/
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