Examples of com.vividsolutions.jts.geom.LineString

com.vividsolutions.jts.geom.LineString
Models an OGC-style LineString. A LineString consists of a sequence of two or more vertices, along with all points along the linearly-interpolated curves (line segments) between each pair of consecutive vertices. Consecutive vertices may be equal. The line segments in the line may intersect each other (in other words, the linestring may "curl back" in itself and self-intersect. Linestrings with exactly two identical points are invalid.
A linestring must have either 0 or 2 or more points. If these conditions are not met, the constructors throw an {@link IllegalArgumentException} @version 1.7

    Coordinate[] points = {
        vectorXZToJTSCoordinate(segment.p1),
        vectorXZToJTSCoordinate(segment.p2)
    };
    
    return new LineString(new CoordinateArraySequence(points), GF);
    
  }

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                coords.add(new Coordinate(mCoord.x, mCoord.y));
              }
              
              Coordinate[] coordArray = coords.toArray(new Coordinate[coords.size()]);
              
              LineString ls = (LineString) JTS.transform(geometryFactory.createLineString(coordArray), mt);
              LocationIndexedLine indexLine = new LocationIndexedLine(ls);
              
              Logger.info("length: " + ls.getLength());
              
              patternStops = TripPatternStop.find("pattern = ?", tripPattern).fetch();
              
              for(TripPatternStop patternStop : patternStops) {

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      updateGtfsRoute();
    }
    
    public void updateGtfsRoute()
    {
      LineString gtfsRoute = getCurrentGtfsRoute();
      
      if(gtfsRoute != null)
        gtfsRoute = (LineString)DouglasPeuckerSimplifier.simplify((Geometry)gtfsRoute, 0.00001);

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      GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory(null);
      
      if(coords.size() > 1)
      {
        LineString geom = geometryFactory.createLineString(coords.toArray(new Coordinate[coords.size()]));
        
        if(reverseAlignment)
          geom = (LineString)geom.reverse();
        
        return geom; 
      }
      else 
        return null;

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      Integer sequenceId = 1;
      
      while(i < geomCount)
      {
        LineString lineSegment = (LineString)this.originalShape.getGeometryN(i);
        
        GisRouteControlPoint fromPoint = findControlPoint(geometryFactory.createPoint(lineSegment.getCoordinateN(0)), sequenceId);
        
        sequenceId = fromPoint.originalSequence + 1;
        
         GisRouteControlPoint toPoint = findControlPoint(geometryFactory.createPoint((lineSegment.getCoordinateN(lineSegment.getNumPoints() - 1))), sequenceId);
         
         sequenceId = toPoint.originalSequence + 1;
         
         if(GisRouteSegment.count("fromPoint = ? AND toPoint = ?", fromPoint, toPoint) == 0)
         {
         
           GisRouteSegment originalSegment =  new GisRouteSegment();
           
           originalSegment.reverse = false;
           originalSegment.fromPoint = fromPoint;
           originalSegment.toPoint = toPoint;
           originalSegment.segment = lineSegment;
           originalSegment.segment.setSRID(4326);
           originalSegment.save();
           
           // can't handle bi-directionality on loop segments (yet)
           if(fromPoint != toPoint)
           {
             GisRouteSegment reverseSegment =  new GisRouteSegment();
             
             reverseSegment.reverse = true;
             reverseSegment.fromPoint = toPoint;
             reverseSegment.toPoint = fromPoint;
             reverseSegment.segment = (LineString)lineSegment.reverse();
             reverseSegment.segment.setSRID(4326);
             reverseSegment.save();
           }
         }

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    }


    public static EncodedPolylineBean createEncodings(Geometry geometry) {
        if (geometry instanceof LineString) {


            LineString string = (LineString) geometry;
            Coordinate[] coordinates = string.getCoordinates();
            return createEncodings(new CoordinateList(coordinates));
        } else if (geometry instanceof MultiLineString) {
            MultiLineString mls = (MultiLineString) geometry;
            return createEncodings(new CoordinateList(mls.getCoordinates()));
        } else {

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      // segment from the original line return a lineString as result,
      // this would mean that it is overlapped.
      Coordinate[] segCoords = new Coordinate[2];
      segCoords[0] = originalCoord[i];
      segCoords[1] = originalCoord[i + 1];
      LineString segmentToTest = this.gf.createLineString(segCoords);
      for (int j = i + 1; j < originalCoord.length - 1; j++) {


        Coordinate[] testCoord = new Coordinate[2];
        testCoord[0] = originalCoord[j];
        testCoord[1] = originalCoord[j + 1];
        LineString eachSegment = this.gf.createLineString(testCoord);


        if (segmentToTest.intersects(eachSegment)
              && segmentToTest.intersection(eachSegment) instanceof LineString) {


          // first store those segments

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    for (i = 0; i < boundaryCoordinates.length - 1; i++) {
      // Create the line segment between one coordinate and the next one.
      Coordinate[] segmentCoordinates = new Coordinate[2];
      segmentCoordinates[0] = boundaryCoordinates[i];
      segmentCoordinates[1] = boundaryCoordinates[i + 1];
      LineString segment = fc.createLineString(segmentCoordinates);
      // if intersect, this is the vertex we need to add, so add it to the
      // result coordinates list.
      if (segment.intersects(line)) {


        Geometry point = segment.intersection(line);


        Geometry[] sorted = sortPoints(point, segment);
        // add all the points.
        for (int j = 0; j < sorted.length; j++) {

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      monitor = new NullProgressMonitor();
    }
    IProgressMonitor prepMonitor = SubMonitor.convert(monitor, 80);
    prepMonitor.beginTask("Splitting features", 1); //$NON-NLS-1$


    LineString splitter = getSplittingLineInMapCRS(handler);
    assert splitter.getUserData() instanceof CoordinateReferenceSystem;


    FeatureCollection<SimpleFeatureType, SimpleFeature> featuresToSplit = getFeaturesToSplit(splitter);
    prepMonitor.worked(2);


    final List<UndoableMapCommand> undoableCommands = new ArrayList<UndoableMapCommand>();

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   */
  private  LineString getSplittingLineInMapCRS(final EditToolHandler handler)
    throws SplitFeaturesCommandException {


      final PrimitiveShape currentShape = handler.getCurrentShape();
      final LineString lineInLayerCrs = GeometryCreationUtil.createGeom(LineString.class, currentShape, false);
      final CoordinateReferenceSystem mapCrs = MapUtil.getCRS(handler.getContext().getMap());


      LineString splittingLine = reprojectSplitLine(lineInLayerCrs, mapCrs);


      return splittingLine;
  }

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