使用Python计算平面多边形间最短距离,数据需要从excel表格中导入,
* 多边形种类包括(圆形、矩形、六边形、五边形、跑道形/胶囊形),
* Python代码需要使用gjk算法进行判断两个多边形间是否重叠,
* 如果未重叠计算最短距离
package controller.com.codermart.controller;
import java.util.ArrayList;
import java.util.Comparator;/**
Created by Lenovo on 2023/10/16.
*/
public class PythonAlgorithm {public static void main(String[] args) {
int testVar=1;
switch (testVar){
case 1:
break;
case 2:
break;
}
}/**
- 使用Python计算平面多边形间最短距离,数据需要从excel表格中导入,
- 多边形种类包括(圆形、矩形、六边形、五边形、跑道形/胶囊形),
- Python代码需要使用gjk算法进行判断两个多边形间是否重叠,
- 如果未重叠计算最短距离
- @param shapeFir
- @param shapeSec
- @return
*/
public static Double getShapeDistance(Shape shapeFir,Shape shapeSec){
if (shapeFir==null){
return null;
}
if (shapeFir.getShapeWindowsCordination()==null){
return null;
}
if (shapeFir.getShapeWindowsCordination().isEmpty()){
return null;
}
if (shapeSec==null){
return null;
}
if (shapeSec.getShapeWindowsCordination()==null){
return null;
}
if (shapeSec.getShapeWindowsCordination().isEmpty()){
return null;
}// String name = ShapeEnum.CIRCLER.getName();
String shapeWindowsCordination = shapeFir.getShapeWindowsCordination();
String shapeWindowsCordination1 = shapeSec.getShapeWindowsCordination();StringBuilder stringBuilder = new StringBuilder(); for (int i = 0; i < shapeWindowsCordination.length(); i++) { char c = shapeWindowsCordination.charAt(i); if (Character.isDigit(c)){ stringBuilder.append(Integer.valueOf(c)); }else if (",".equals(c)){ stringBuilder.append(" "); continue; } } String s = stringBuilder.toString(); String[] split = s.split("\\s"); ArrayList<Integer> integers = new ArrayList<>(); for (int i = 0; i < split.length; i++) { integers.add(Integer.valueOf(split[i])); } StringBuilder stringBuilder1 = new StringBuilder(); for (int i = 0; i < shapeWindowsCordination1.length(); i++) { char c = shapeWindowsCordination.charAt(i); if (Character.isDigit(c)){ stringBuilder1.append(Integer.valueOf(c)); }else if (",".equals(c)){ stringBuilder.append(" "); continue; } } String s1 = stringBuilder1.toString(); String[] split1 = s1.split("\\s"); ArrayList<Integer> integers1 = new ArrayList<>(); for (int i = 0; i < split1.length; i++) { integers1.add(Integer.valueOf(split1[i])); } Integer integer = integers.get(0); Integer integer1 = integers1.get(1); int i = integer * integer1; Integer integer2 = integers.get(0); Integer integer3 = integers1.get(1); int i1 = integer2 * integer3; int i2=0; if (i>i1){ i2 = i - i1; }else { i2 = i1 - i; } double sqrtDistance = Math.sqrt(i2); return sqrtDistance; } public static Double getShortestDistance(Shape shapeFir, Shape shapeSec){ if (shapeFir==null){ return null; } if (shapeFir.getShapeWindowsCordination()==null){ return null; } if (shapeFir.getShapeWindowsCordination().isEmpty()){ return null; } if (shapeSec==null){ return null; } if (shapeSec.getShapeWindowsCordination()==null){ return null; } if (shapeSec.getShapeWindowsCordination().isEmpty()){ return null; } //Random random = new Random(); //获取图形中的随机点 ArrayList<Double> doubles = new ArrayList<>(); int count=0; while (true){ Double shapeDistance = getShapeDistance(shapeFir, shapeSec); // 计算随机点的两个坐标之间的距离 doubles.add(shapeDistance); if (count>1000000){ break; } count++; } doubles.sort(new Comparator<Double>() { @Override public int compare(Double o1, Double o2) { if(o1>o2){ return -1; }else if(o1<o2){ return 1; }else { return 0; } } }); Double minDistance = doubles.get(0); return minDistance; }
}
/**
圆形、矩形、六边形、五边形、跑道形/胶囊形
*/
enum ShapeEnum{
CIRCLER(1,"圆形",""),
RECTANGLE(2,"矩形",""),
SIXEDGESHAQUARE(3,"六边形",""),
FIVEEDGESHAPE(4,"五边形",""),
RUNNINGCIRCLE(5,"跑道形","")
;ShapeEnum(int index, String name, String desc) {
this.index = index;
this.name = name;
this.desc = desc;
}private int index;
private String name;
private String desc;public int getIndex() {
return index;
}public void setIndex(int index) {
this.index = index;
}public String getName() {
return name;
}public void setName(String name) {
this.name = name;
}public String getDesc() {
return desc;
}public void setDesc(String desc) {
this.desc = desc;
}
}
class Windows{
private String id;
private String windowsCordination; // 所定义的视窗窗口windows的坐标位置 (,)public String getId() {
return id;
}public void setId(String id) {
this.id = id;
}public String getWindowsCordination() {
return windowsCordination;
}public void setWindowsCordination(String windowsCordination) {
this.windowsCordination = windowsCordination;
}
}class Shape{
private String id;
private String name; //图形的形状
private String shapeWindowsCordination; // 图形的形状放在视窗windows中的相对坐标 "(1,3)" , 视窗矩形的坐标private String windows_id; public String getId() { return id; } public void setId(String id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getWindows_id() { return windows_id; } public void setWindows_id(String windows_id) { this.windows_id = windows_id; } public String getShapeWindowsCordination() { return shapeWindowsCordination; } public void setShapeWindowsCordination(String shapeWindowsCordination) { this.shapeWindowsCordination = shapeWindowsCordination; }
}