[geos-devel] about buffer of self-intersect polygon

2010-12-09 Thread xie_jiong
Hi All, Dose GEOS supports buffer of self-intersected polygon, just like 'POLYGON ((2 2,-2 -2,2 -2,-2 2,2 2))'. I get the wrong polygon result with GEOSBuffer('POLYGON ((2 2,-2 -2,2 -2,-2 2,2 2))',0.5,8). I use newest verion. Thanks. Jiong___

Re: [geos-devel] about buffer of self-intersect polygon

2010-12-09 Thread strk
On Thu, Dec 09, 2010 at 04:59:24PM +0800, xie_jiong wrote: Hi All, Dose GEOS supports buffer of self-intersected polygon, just like 'POLYGON ((2 2,-2 -2,2 -2,-2 2,2 2))'. I get the wrong polygon result with GEOSBuffer('POLYGON ((2 2,-2 -2,2 -2,-2 2,2 2))',0.5,8). I use newest verion.