Application: gvSIG desktop » gvSIG tools: ToolBox

package es.unex.sextante.topology.extractNodes;

import java.util.ArrayList;

import com.vividsolutions.jts.geom.Geometry;

import es.unex.sextante.dataObjects.IFeature;

public class Node {

   private int             ID = 0;

   private final Geometry  geom;

   IFeature                lineFeature;

   private int             degree;

   //FIDs connectedLines

   private final ArrayList lines;

   private final ArrayList linesIdx;

   //IDs near endpoints

   private final ArrayList closeNodes;

   public Node(final int iD,

               final Geometry geom,

               final IFeature lineFeature) {

      ID = iD;

      this.geom = geom;

      this.degree = 1;

      this.lineFeature = lineFeature;

      lines = new ArrayList();

      linesIdx = new ArrayList();

      closeNodes = new ArrayList();

   }

   public void incrementDegree() {

      degree++;

   }

   public int getDegree() {

      return degree;

   }

   public Geometry getGeometry() {

      return geom;

   }

   public void addConnectedLine(final IFeature feat,

                                final int idx) {

      if (!lines.contains(feat)) {

         lines.add(feat);

      }

      if (!linesIdx.contains(idx)) {

         linesIdx.add(idx);

      }

   }

   public void processIfClose(final Node n,

                              final double tolerance) {

      if (closeNodes.contains(n) || n.getGeometry().equals(getGeometry())) {

         //System.out.println(n + " " + this + "   equals?" + (n.getGeometry().equals(getGeometry())));

         return;

      }

      final Geometry g = n.getGeometry();

      final double dist = geom.distance(g);

      if (dist < tolerance) {

         System.out.println("Added a node a " + dist);

         closeNodes.add(n);

      }

   }

   public ArrayList getCloseNodes() {

      return closeNodes;

   }

   public ArrayList getConnectedLines() {

      return lines;

   }

   public ArrayList getConnectedLinesIdx() {

      return linesIdx;

   }

}