三行Java代码实现计算多边形的几何中心点

    <properties>
        <java.version>1.8</java.version>
        <maven.plugin.version>3.8.1</maven.plugin.version>
        <spring.boot.version>2.1.16.RELEASE</spring.boot.version>
        <bladex.project.version>2.6.0.RELEASE</bladex.project.version>
        <spring.platform.version>Cairo-SR8</spring.platform.version>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.build.timestamp.format>yyyyMMddHHmmss</maven.build.timestamp.format>
        <geotools.version>28-SNAPSHOT</geotools.version>
    </properties> 
 
    <dependency>
            <groupId>org.geotools</groupId>
            <artifactId>gt-main</artifactId>
            <version>${geotools.version}</version>
     </dependency>

    public static void main(String[] args) {
        GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory();
        CoordinateList coords=new CoordinateList();
        coords.add(new Coordinate(3630789.1856605336, 3.943998533907477E7));
        coords.add(new Coordinate(3630480.3613995733, 3.944116440724006E7));
        coords.add(new Coordinate(3630128.8984496593, 3.944109300504929E7));
        coords.add(new Coordinate(3630408.0016770884, 3.943992775038134E7));
        //闭合
        coords.closeRing();
        Polygon polygon = geometryFactory.createPolygon(coords.toCoordinateArray());
        //输出中心点
        System.out.println( polygon.getCentroid());
        //输出多边形面积
        System.out.println( polygon.getArea());
 
    }

    public static void main(String[] args) {
        GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory();
        //最后一个点和第一个相同完成多边形的线段闭合
        Coordinate[] coords = new Coordinate[] {new Coordinate(1, 5),new Coordinate(1, 1),  new Coordinate(5,1) , new Coordinate(5, 5),new Coordinate(1, 5)};
        Polygon polygon = geometryFactory.createPolygon(coords);
        //输出中心点
        System.out.println( polygon.getCentroid());
        //输出多边形面积
        System.out.println( polygon.getArea());
    }