Revision 23048 trunk/libraries/libTopology/src/org/gvsig/jts/SnapCoordinateList.java

View differences:

SnapCoordinateList.java
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 * JTS coordinate list that uses snap to avoid consecutives coordinates at a
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 * distance lower than the cluster tolerance.
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 *
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 *
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 * FIXME There could be coordinates non consecutives at a distance slower than
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 * snap tolerance.
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 *
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 * @author azabala
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 *
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 */
......
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	public void add(Coordinate coord, boolean allowRepeated) {
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		// don't add duplicate coordinates
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		if (!allowRepeated) {
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			if (size() >= 1) {
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				Coordinate last = (Coordinate) get(size() - 1);
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// with this code we only filter consecutive snapped points
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//			if (size() >= 1) {
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//				Coordinate last = (Coordinate) get(size() - 1);
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//				if(SnapCGAlgorithms.snapEquals2D(last, coord, snapTolerance))
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//					return;
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//			}//if
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			int size = size();
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			/*
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			 If size == 1, we check the existing point,
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			 if size > 1, we dont check the first point (because closed geometries
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			 musnt snap the first and last point
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			 * */
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			if(size > 1){
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				for(int i = 1; i < size; i++){
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					Coordinate coordinate = (Coordinate) get(i);
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					if(SnapCGAlgorithms.snapEquals2D(coordinate, coord, snapTolerance))
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						return;
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				}
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			}else if(size == 1){
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				Coordinate last = (Coordinate) get(0);
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				if(SnapCGAlgorithms.snapEquals2D(last, coord, snapTolerance))
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					return;
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			}//if
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			}
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		}//if
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		super.add(coord);
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	}

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