Re: [OSGeo-Discuss] Test polygons from "About Invalid, Valid and Clean Polygons"

2013-11-14 Thread Mateusz Loskot
Hi Wilko, Thank you! Your post has been forwarded to OSGeo-Discuss: http://lists.osgeo.org/pipermail/discuss/2013-November/012529.html Regards, Mateusz On 14 November 2013 15:16, Wilko Quak wrote: > Hi All, > > Maybe it's a bit late but I found the PostGIS sql script that we used 10 > years ag

Re: [OSGeo-Discuss] Test polygons from "About Invalid, Valid and Clean Polygons"

2013-10-30 Thread Mateusz Loskot
Hi, It seems that Peter van Oosterom's e-mail with the SQL script attachment hasn't made it to the Discuss list, so I'm forwarding it here. Mat On 30 October 2013 20:45, Markus Neteler wrote: > Hi Mateusz, > > the scripts weren't added... SVN hosting might be the best? > > ciao > Markus > > On

Re: [OSGeo-Discuss] Test polygons from "About Invalid, Valid and Clean Polygons"

2013-10-28 Thread Mateusz Loskot
On 28 October 2013 00:31, Peter van Oosterom - OTB - TBM wrote: > Dear all, > > Quite sure the results are correct for PostGIS. > The work was done in first half of 2003; see publication pdf's on > http://www.gdmc.nl/publications/ > PostGIS (and others) did much improve the years shortly after! >

Re: [OSGeo-Discuss] Test polygons from "About Invalid, Valid and Clean Polygons"

2013-10-27 Thread Mateusz Loskot
On 27 October 2013 22:04, Wilko Quak wrote: > Hi All, > > The paper is from 2005 Yes, that's what Springer says: http://link.springer.com/chapter/10.1007%2F3-540-26772-7_1 > and uses PostGIS 0.6.2. I see, I missed that important detail. > I am not sure whether PostGIS > had an ST_IsValid fun

Re: [OSGeo-Discuss] Test polygons from "About Invalid, Valid and Clean Polygons"

2013-10-27 Thread Paul Ramsey
What’s the publication date on this? The PostGIS results are wrong, at least in that they only show the input validation (PostGIS will accept almost any WKT input, with the exception of unclosed rings) and not ST_IsValid validation. P. On Oct 25, 2013, at 5:47 PM, Mateusz Loskot wrote: > Hi,

[OSGeo-Discuss] Test polygons from "About Invalid, Valid and Clean Polygons"

2013-10-25 Thread Mateusz Loskot
Hi, In the paper "About Invalid, Valid and Clean Polygons" [1], on page 11, there is a collection of test polygons used by the authors. Does anyone happen to know where can I find a complete dataset or a form of data definition (WKT, GML, etc.) with those test polygons? [1] http://www.springer

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2009-06-21 Thread Mateusz Loskot
Mailing list test. -- Mateusz Loskot, http://mateusz.loskot.net Charter Member of OSGeo, http://osgeo.org ___ Discuss mailing list Discuss@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/discuss

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2007-07-05 Thread Alex Cheng
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