[Gvsig_usuarios] Problema no geoprocesso Union

[Rodrigo Sperb]

Olá,

Escrevo em português crendo que todos possam compreender.

Estou enfrentando problemas na união de duas capas de polígonos. O gvSIG
retorna a janela de informação de console com a seguinte mensagem de erro:

null com.vividsolutions.jts.geom.TopologyException: side location conflict [
(730599.3155776102, 7024145.684636928, NaN) ]
    com.vividsolutions.jts.geomgraph.EdgeEndStar.propagateSideLabels(EdgeEndStar.java:297)
    com.vividsolutions.jts.geomgraph.EdgeEndStar.computeLabelling(EdgeEndStar.java:135)
    com.vividsolutions.jts.geomgraph.DirectedEdgeStar.computeLabelling(DirectedEdgeStar.java:127)
    com.vividsolutions.jts.operation.overlay.OverlayOp.computeLabelling(OverlayOp.java:364)
    com.vividsolutions.jts.operation.overlay.OverlayOp.computeOverlay(OverlayOp.java:165)
    com.vividsolutions.jts.operation.overlay.OverlayOp.getResultGeometry(OverlayOp.java:127)
    com.vividsolutions.jts.operation.overlay.OverlayOp.overlayOp(OverlayOp.java:66)
    com.vividsolutions.jts.geom.Geometry.intersection(Geometry.java:1052)
    com.vividsolutions.jts.precision.EnhancedPrecisionOp.intersection(EnhancedPrecisionOp.java:57)
    com.iver.cit.gvsig.geoprocess.impl.intersection.fmap.IntersectVisitor$1.visit(Unknown
Source)
    com.iver.cit.gvsig.fmap.operations.strategies.FilterRectVisitor.visit(Unknown
Source)
    com.iver.cit.gvsig.fmap.operations.strategies.DefaultStrategy.process(Unknown
Source)
    com.iver.cit.gvsig.fmap.operations.strategies.DefaultStrategy.process(Unknown
Source)
    com.iver.cit.gvsig.fmap.operations.strategies.ShpStrategy.process(Unknown
Source)
    com.iver.cit.gvsig.fmap.operations.strategies.ShpStrategy.process(Unknown
Source)
    com.iver.cit.gvsig.geoprocess.impl.intersection.fmap.IntersectVisitor.visit(Unknown
Source)
    com.iver.cit.gvsig.fmap.operations.strategies.DefaultStrategy.process(Unknown
Source)
    com.iver.cit.gvsig.geoprocess.impl.union.fmap.UnionGeoprocess$UnionMonitorableTask.run(Unknown
Source)
    com.iver.utiles.swing.threads.MonitorableDecoratorMainFirst.run(Unknown
Source)     com.iver.andami.PluginServices$1.construct(Unknown Source)
    com.iver.utiles.swing.threads.SwingWorker$2.run(Unknown Source)
    java.lang.Thread.run(Unknown Source) null
com.vividsolutions.jts.geom.TopologyException: no outgoing dirEdge found [
(721825.4244097918, 7023054.742790077, NaN) ]
    com.vividsolutions.jts.geomgraph.DirectedEdgeStar.linkResultDirectedEdges(DirectedEdgeStar.java:241)
    com.vividsolutions.jts.geomgraph.PlanarGraph.linkResultDirectedEdges(PlanarGraph.java:80)
    com.vividsolutions.jts.operation.overlay.PolygonBuilder.add(PolygonBuilder.java:79)
    com.vividsolutions.jts.operation.overlay.PolygonBuilder.add(PolygonBuilder.java:69)
    com.vividsolutions.jts.operation.overlay.OverlayOp.computeOverlay(OverlayOp.java:180)
    com.vividsolutions.jts.operation.overlay.OverlayOp.getResultGeometry(OverlayOp.java:127)
    com.vividsolutions.jts.operation.overlay.OverlayOp.overlayOp(OverlayOp.java:66)
    com.vividsolutions.jts.geom.Geometry.difference(Geometry.java:1084)
    com.vividsolutions.jts.precision.EnhancedPrecisionOp.difference(EnhancedPrecisionOp.java:127)
    com.iver.cit.gvsig.geoprocess.impl.difference.fmap.DifferenceVisitor.visit(Unknown
Source)
    com.iver.cit.gvsig.fmap.operations.strategies.DefaultStrategy.process(Unknown
Source)
    com.iver.cit.gvsig.geoprocess.impl.union.fmap.UnionGeoprocess$UnionMonitorableTask.run(Unknown
Source)
    com.iver.utiles.swing.threads.MonitorableDecoratorMainFirst.run(Unknown
Source)     com.iver.andami.PluginServices$1.construct(Unknown Source)
    com.iver.utiles.swing.threads.SwingWorker$2.run(Unknown Source)
    java.lang.Thread.run(Unknown Source)

Não sei se o problema está nos arquivos de entrada que não foram gerados no
gvSIG ou se algum outro motivo explica o erro.

A versão que utilizo é a 1.1.2 (build 1045).

Desde já agradeço.

Bons ventos,
Rodrigo Campi Sperb
Brasil
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