Java中使用JTS对空间几何计算(距离、点在面内、长度、面积、相交等)模拟的大概写法

以下是使用JTS库进行空间几何计算的简化代码示例。请注意，这些方法只是模拟了原理，实际应用中需要进行错误处理和完善输入验证。

import org.locationtech.jts.geom.Coordinate;
import org.locationtech.jts.geom.Geometry;
import org.locationtech.jts.geom.GeometryFactory;
import org.locationtech.jts.geom.Point;
import org.locationtech.jts.geom.Polygon;
import org.locationtech.jts.operation.distance.DistanceOp;
 
public class SpatialGeometryOperations {
 
    private static final GeometryFactory geometryFactory = new GeometryFactory();
 
    // 计算两个几何对象之间的距离
    public static double calculateDistance(Geometry geom1, Geometry geom2) {
        DistanceOp distanceOp = new DistanceOp(geom1, geom2);
        return distanceOp.distance();
    }
 
    // 判断点是否在面内
    public static boolean isPointInPolygon(Coordinate pointCoord, Polygon polygon) {
        Point point = geometryFactory.createPoint(pointCoord);
        return polygon.contains(point);
    }
 
    // 计算几何对象的长度
    public static double calculateLength(Geometry geometry) {
        return geometry.getLength();
    }
 
    // 计算几何对象的面积
    public static double calculateArea(Geometry geometry) {
        return geometry.getArea();
    }
 
    // 计算几何对象的相交部分
    public static Geometry calculateIntersection(Geometry geom1, Geometry geom2) {
        return geom1.intersection(geom2);
    }
 
    // 示例方法，展示如何使用以上方法
    public static void main(String[] args) {
        Point point = geometryFactory.createPoint(new Coordinate(1, 1));
        Polygon polygon = geometryFactory.createPolygon(new Coordinate[]{
            new Coordinate(0, 0),
            new Coordinate(2, 0),
            new Coordinate(2, 2),
            new Coordinate(0, 2),
            new Coordinate(0, 0)
        });
 
        // 计算距离
        double distance = calculateDistance(point, polygon);
        System.out.println("Distance: " + distance);
 
        // 判断点是否在多边形内
        boolean isInside = isPointInPolygon(point.getCoordinate(), polygon);
        System.out.println("Is point inside polygon: " + isInside);
 
        // 计算多边形长度
        double length = calculateLength(polygon);
        System.out.println("Polygon length: " + length);
 
        // 计算多边形面积
        double area = calculateArea(polygon);
        System.out.println("Polygon area: " + a