lxresume.java

基于Java的地图数据管理软件。使用MySQL数据库管理系统。

package net.aetherial.gis.jiaotongbu.outputJTB.txtOutput.module.gpsdata.lxld.lx;

import org.w3c.dom.*;
import net.aetherial.gis.surface.ItemValue;
import net.aetherial.gis.publicuse.TrackOper;

/**
 * <p>Title: </p>
 *
 * <p>Description: 路线恢复</p>
 *
 * <p>Copyright: Copyright (c) 2004</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class LXResume {
  public LXResume() {
  }

  public void isTracksSameFL() {
//    double milltimes = System.currentTimeMillis();

    Node[] trks = ItemValue.getTracks();
    Runtime rt = Runtime.getRuntime();
    rt.totalMemory();
    Node[] nearTrks = null;
    if (trks != null) {
      for (int i = 0; i < trks.length; i++) {
        nearTrks = TrackOper.getIntersectTracks(trks,trks[i]);
        for (int j = 0; j < nearTrks.length; j++) {
          if (this.isHaveSameTrackPoint(nearTrks[j],trks[i])) {
            System.out.println("Find Same point trks:" + ItemValue.getTracksName(trks[i]) + " && " + ItemValue.getTracksName(nearTrks[j]));
          }
        }
      }
    }
  }



  /**
   * 判断两条航迹首尾是否有完全重合的航迹点
   */
  private boolean isHaveSameTrackPoint(Node trk1, Node trk2) {
    NodeList nl1 = ItemValue.getTracksPoint(trk1);
    NodeList nl2 = ItemValue.getTracksPoint(trk2);
    if ( (nl1 == null) || (nl2 == null)) {
      return false;
    }
    else {
      Node t1f = nl1.item(0);
      Node t1l = nl1.item(nl1.getLength() - 1);
      Node t2f = nl2.item(0);
      Node t2l = nl2.item(nl2.getLength() - 1);

      if (this.isPointContentSame(t1f,t2f)) {
        return true;
      }else if(this.isPointContentSame(t1f,t2l)){
        return true;
      }else if(this.isPointContentSame(t1l,t2f)){
        return true;
      }else if(this.isPointContentSame(t1l,t2l)){
        return true;
      }


//      for (int i = 0; i < nl1.getLength(); i++) {
//        for (int j = 0; j < nl2.getLength(); j++) {
//          if ( (ItemValue.getTracksPointX(nl1.item(i))).equals(ItemValue.
//              getTracksPointX(nl2.item(j)))) {
//            if ( (ItemValue.getTracksPointY(nl1.item(i))).equals(ItemValue.
//                getTracksPointY(nl2.item(j)))) {
//              if ( (ItemValue.getTracksPointZ(nl1.item(i))).equals(ItemValue.
//                  getTracksPointZ(nl2.item(j)))) {
//                return true;
//              }
//            }
//
//          }
//        }
//      }


      return false;
    }
  }

  private boolean isPointContentSame(Node tp1, Node tp2) {
    if ( (ItemValue.getTracksPointX(tp1)).equals(ItemValue.
                                                 getTracksPointX(tp2))) {
      if ( (ItemValue.getTracksPointY(tp1)).equals(ItemValue.
          getTracksPointY(tp2))) {
        if ( (ItemValue.getTracksPointZ(tp1)).equals(ItemValue.
            getTracksPointZ(tp2))) {
          return true;
        }
      }
    }
    return false;
  }
}