Martin, Is that a valid feature geometry type in OpenJUMP? I didn't know that it was. If it is, then this probably is a bug that needs to get fixed.
SS On Thu, Nov 20, 2008 at 9:06 AM, Martin Davis <[EMAIL PROTECTED]> wrote: > Why not read the GML LinearRing into a JTS LinearRing? > > Sunburned Surveyor wrote: >> Well, it seems from a "robustness" perspective that it would be good >> to read in linear rings, even if they are always represented >> internally and exported as polygons. >> >> I will wait for other programmers to comment on what they think the >> best course is, then I will implement the needed changes. >> >> SS >> >> On Thu, Nov 20, 2008 at 8:38 AM, Andreas Schmitz <[EMAIL PROTECTED]> wrote: >> >>> Sunburned Surveyor wrote: >>> >>> Hi, >>> >>> >>>> I'm working on one of the OJ 1.2 bugs I selected for squishing and I >>>> had a quick question. >>>> >>>> Is the GML reader in OpenJUMP supposed to read features represented by >>>> a LinearRing? I thought a LinearRing was only used as an exterior or >>>> interior boundary of a polygon. A user filed a bug report because a >>>> feature geometry wasn't created from a LinearRing using JUMP's >>>> GMLReader. But I'm thikning that this isn't a bug, but an improper >>>> understanding of how feature geometries are represented in GML. A >>>> feature should be represented by a polygon, not a linear ring. >>>> >>>> If GMLReader is supposed to construct a feature goemetry (polygon?) >>>> from a linear ring, then I'll fix the bug. If GMLReader is not >>>> supposed to do this, because it isn't the proper way to represent a >>>> feature, then I will close the bug. >>>> >>> I think in GML2 this is allowed: >>> >>> http://schemas.opengis.net/gml/2.1.2/geometry.xsd >>> >>> One can always wonder why anyone would want it, but some people apparently >>> have >>> use cases for everything... The problem that is inherent here is, if you >>> read >>> the linear ring in as a polygon, what happens when exporting as GML again? >>> Will >>> it be exported as polygon or as linear ring? Is every linear ring also a >>> polygon? I suppose not, as there are almost no restrictions on the form of a >>> linear ring, but many (such as orientation of the rings, self intersections >>> etc.) on polygons. >>> >>> I'm unsure on how to solve this problem though, the better you want to >>> solve it, >>> the more work it is obviously. >>> >>> Best regards, Andreas >>> -- >>> l a t / l o n GmbH >>> Aennchenstrasse 19 53177 Bonn, Germany >>> phone ++49 +228 18496-12 fax ++49 +228 1849629 >>> http://www.lat-lon.de http://www.deegree.org >>> >>> -----BEGIN PGP SIGNATURE----- >>> Version: GnuPG v1.4.9 (GNU/Linux) >>> >>> iEYEARECAAYFAkklkpUACgkQ737OVr+Ru7pgtACg5bMBBMLlo3wNsiXw7D+BB0tz >>> OG8AoJc+QpDAnPZ2NTA+K//fxBcsCHI7 >>> =9hXg >>> -----END PGP SIGNATURE----- >>> >>> ------------------------------------------------------------------------- >>> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >>> Build the coolest Linux based applications with Moblin SDK & win great >>> prizes >>> Grand prize is a trip for two to an Open Source event anywhere in the world >>> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >>> _______________________________________________ >>> Jump-pilot-devel mailing list >>> Jump-pilot-devel@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >>> >>> >>> >> >> ------------------------------------------------------------------------- >> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >> Build the coolest Linux based applications with Moblin SDK & win great prizes >> Grand prize is a trip for two to an Open Source event anywhere in the world >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> _______________________________________________ >> Jump-pilot-devel mailing list >> Jump-pilot-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel >> >> > > -- > Martin Davis > Senior Technical Architect > Refractions Research, Inc. > (250) 383-3022 > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
