Revision 13591 trunk/libraries/libTopology/src/org/gvsig/jts/LineStringSelfIntersectionChecker.java
| LineStringSelfIntersectionChecker.java | ||
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import com.iver.cit.gvsig.util.SnappingCoordinateMap; |
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import com.vividsolutions.jts.algorithm.RobustLineIntersector; |
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import com.vividsolutions.jts.algorithms.SnapCGAlgorithms; |
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import com.vividsolutions.jts.geom.CoordinateArrays; |
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import com.vividsolutions.jts.geom.GeometryFactory; |
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import com.vividsolutions.jts.geom.LineString; |
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//TODO Add snap tolerance concept |
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public boolean isProper(Coordinate coordinate){
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if(lineString instanceof LinearRing) |
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if(lineString instanceof LinearRing)//TODO INTRODUCE SNAP
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return coordinate.equals2D(lineString.getCoordinateN(0)); |
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else |
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return graph.isBoundaryNode(0, coordinate); |
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else{
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boolean solution = graph.isBoundaryNode(0, coordinate); |
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if(!solution){
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//one more try: see the coordinates of the extremes |
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//this is needed becase the labeling process for closed linestring |
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//dont gives us the desired results |
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if(SnapCGAlgorithms.snapEquals2D(coordinate, lineString.getCoordinateN(0), snapTolerance) || |
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SnapCGAlgorithms.snapEquals2D(coordinate, lineString.getCoordinateN(lineString.getNumPoints() - 1), snapTolerance)){
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solution = true; |
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}//if |
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}//if |
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return solution; |
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}//else |
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} |
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