[Gvsig_english] Error - Geoprocessing tools

[Adi Fajar RAMLY]

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" <lprunarova at 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
>
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