package PCI.ASQ.cluster;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import PCI.ASQ.basic.Distance;
import PCI.ASQ.basic.Euclid;
import PCI.ASQ.demension.AMV_MVS_VSQ_2D;
import PCI.ASQ.demension.AMV_MVS_VSQ_3D;
import PCI.ASQ.ratio.DistanceRatio;
//Theory: Yaoguang.luo 20191216：12：06
//一种仅仅通过坐标重心来描绘射极边缘面探测使用方法。
//Application: Yaoguang.luo
//作者,著作权人： 罗瑶光，浏阳
public class SideEnd{
  public static List<AMV_MVS_VSQ_2D> getSideEnd2D(
  List<AMV_MVS_VSQ_2D> list, double scale) {
    AMV_MVS_VSQ_2D heart= Euclid.findHeartPosition2D(list);
    Map<Double, AMV_MVS_VSQ_2D> ratioSide= new HashMap<>();
    Iterator<AMV_MVS_VSQ_2D> iterator= list.iterator();
    while(iterator.hasNext()) {
      AMV_MVS_VSQ_2D AMV_MVS_VSQ2D= iterator.next();
      double ratio= DistanceRatio.getDistanceRatio2D(heart, AMV_MVS_VSQ2D);
      if(ratioSide.containsKey(ratio)) {
        double newDistance= Distance.getDistance2D(heart, AMV_MVS_VSQ2D);
        double oldDistance= Distance.getDistance2D(heart, ratioSide.get(ratio));
        if(newDistance> oldDistance) {
          if(newDistance> scale) {
            ratioSide.put(ratio, AMV_MVS_VSQ2D);
          }
        }
      }else {
        double newDistance= Distance.getDistance2D(heart, AMV_MVS_VSQ2D);
        if(newDistance> scale) {
          ratioSide.put(ratio, AMV_MVS_VSQ2D);
        }
      }
    }
    //转换
    List<AMV_MVS_VSQ_2D> output= new ArrayList<>();
    Iterator<Double> iteratorKeys= ratioSide.keySet().iterator();
    while(iteratorKeys.hasNext()) {
      output.add(ratioSide.get(iteratorKeys.next()));
    }
    return output;
  }
  
  public static List<AMV_MVS_VSQ_3D> getSideEnd3D(
  List<AMV_MVS_VSQ_3D> list, double scale) {
    AMV_MVS_VSQ_3D heart= Euclid.findHeartPosition3D(list);
    Map<Double, AMV_MVS_VSQ_3D> ratioSide= new HashMap<>();
    Iterator<AMV_MVS_VSQ_3D> iterator= list.iterator();
    while(iterator.hasNext()) {
      AMV_MVS_VSQ_3D AMV_MVS_VSQ3D= iterator.next();
      double ratio= DistanceRatio.getDistanceRatio3D(heart, AMV_MVS_VSQ3D);
      if(ratioSide.containsKey(ratio)) {
        double newDistance= Distance.getDistance3D(heart, AMV_MVS_VSQ3D);
        double oldDistance= Distance.getDistance3D(heart, ratioSide.get(ratio));
        if(newDistance> oldDistance) {
          if(newDistance> scale) {
            ratioSide.put(ratio, AMV_MVS_VSQ3D);
          }
        }
      }else {
        double newDistance= Distance.getDistance3D(heart, AMV_MVS_VSQ3D);
        if(newDistance> scale) {
          ratioSide.put(ratio, AMV_MVS_VSQ3D);
        }
      }
    }
    //转换
    List<AMV_MVS_VSQ_3D> output= new ArrayList<>();
    Iterator<Double> iteratorKeys= ratioSide.keySet().iterator();
    while(iteratorKeys.hasNext()) {
      output.add(ratioSide.get(iteratorKeys.next()));
    }
    return output;
  }
}