Hi, I think, your data topologically is not perfect. Use the GRASS Tools to check your data.
Regards, Adi On 16 Dec 2011 17:58, "Lucie Prunarová" <lprunar...@gmail.com> wrote: > Hi, > I have problem with geoprocessing tools. I use shp polygon data with > projection ESRI:102067. When I try to apply geoprocessing tools on it, > there are several errors depending on the tool. Buffer tool is OK. > > When try difference or intersection (concretely layers buf_kom, chodniky) > two things happened. Sometimes there is bad result (the result layer is the > same like the input layer buf_kom, or the result is empty layer). The > second thing is attached error. > > When try union of two layers (concretely chodniky, zelen_plochy) sometimes > it works, sometimes there is this error: > com.vividsolutions.jts.geom.TopologyException: found non-noded > intersection between LINESTRING ( -34.40000000002328 13.78000000002794, > -25.180000000051223 14.520000000018626 ) and LINESTRING ( > -25.229999999981374 14.930000000051223, -24.849999999976717 7.75 ) [ > (-25.208181128967457, 14.517738174053571, NaN) ] > > > com.vividsolutions.jts.noding.FastNodingValidator.checkValid(FastNodingValidator.java:109) > > > com.vividsolutions.jts.geomgraph.EdgeNodingValidator.checkValid(EdgeNodingValidator.java:94) > > > com.vividsolutions.jts.geomgraph.EdgeNodingValidator.checkValid(EdgeNodingValidator.java:59) > > > com.vividsolutions.jts.operation.overlay.OverlayOp.computeOverlay(OverlayOp.java:170) > > > com.vividsolutions.jts.operation.overlay.OverlayOp.getResultGeometry(OverlayOp.java:127) > > > com.vividsolutions.jts.operation.overlay.OverlayOp.overlayOp(OverlayOp.java:66) > > > com.vividsolutions.jts.operation.overlay.snap.SnapOverlayOp.getResultGeometry(SnapOverlayOp.java:68) > > > com.vividsolutions.jts.operation.overlay.snap.SnapOverlayOp.overlayOp(SnapOverlayOp.java:25) > > > com.vividsolutions.jts.operation.overlay.snap.SnapIfNeededOverlayOp.getResultGeometry(SnapIfNeededOverlayOp.java:76) > > > com.vividsolutions.jts.operation.overlay.snap.SnapIfNeededOverlayOp.overlayOp(SnapIfNeededOverlayOp.java:25) > com.vividsolutions.jts.geom.Geometry.intersection(Geometry.java:1117) > > > com.vividsolutions.jts.precision.EnhancedPrecisionOp.intersection(EnhancedPrecisionOp.java:57) > > > com.iver.cit.gvsig.geoprocess.core.util.JTSFacade.intersection(JTSFacade.java:114) > > > com.iver.cit.gvsig.geoprocess.impl.intersection.fmap.IntersectVisitor$1.visit(IntersectVisitor.java:239) > > > com.iver.cit.gvsig.fmap.operations.strategies.DBStrategy.process(DBStrategy.java:264) > > > com.iver.cit.gvsig.fmap.operations.strategies.DefaultStrategy.process(DefaultStrategy.java:312) > > > com.iver.cit.gvsig.geoprocess.impl.intersection.fmap.IntersectVisitor.visit(IntersectVisitor.java:211) > > > com.iver.cit.gvsig.fmap.operations.strategies.DefaultStrategy.process(DefaultStrategy.java:398) > > > com.iver.cit.gvsig.geoprocess.impl.union.fmap.UnionGeoprocess$UnionMonitorableTask.run(UnionGeoprocess.java:378) > > > com.iver.utiles.swing.threads.MonitorableDecoratorMainFirst.run(MonitorableDecoratorMainFirst.java:155) > com.iver.andami.PluginServices$1.construct(PluginServices.java:405) > com.iver.utiles.swing.threads.SwingWorker$2.run(SwingWorker.java:108) > java.lang.Thread.run(Unknown Source) > > I tried to work with these layers in gvSIG 1.11 (Windows 7) and gvSIG 1.10 > (Windows XP), the result is very unstable and these errors are in both of > these versions and operating systems. > > Can anybody help me? > I also attach the data. Maybe the error is in them. Is there some > possibility in gvSIG to control topology of the data before applying tools? > > Thanks, > Lucie > > _______________________________________________ > Gvsig_internacional mailing list > Gvsig_internacional@listserv.gva.es > > To see the archives, edit your preferences or unsubscribe from this > mailing list, please access this url: > > http://listserv.gva.es/cgi-bin/mailman/listinfo/gvsig_internacional > >
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