JTS:02 使用WKB操作数据

版本

org.locationtech.jts:jts-core:1.19.0
链接: github

代码

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.io.ParseException;
import org.locationtech.jts.io.WKBReader;
import org.locationtech.jts.io.WKBWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class WKBStu {

    private static WKBReader wkbReader;

    private static WKBWriter wkbWriter;

    private static final Logger LOGGER = LoggerFactory.getLogger(WKBStu.class);

    public static void main(String[] args) {
        wkbReader = new WKBReader();
        wkbWriter = new WKBWriter();
        WKBStu wkbStu = new WKBStu();
        wkbStu.stu01();
    }

    /**
     * WKB 读取数据
     */
    public void stu00() {
        GeometryFactory geometryFactory = new GeometryFactory();
        Point point = geometryFactory.createPoint(new Coordinate(114.413265, 30.482731));
        LOGGER.info("Point: {}", point);
        byte[] bytes = wkbWriter.write(point);

        try {
            Geometry geometry = wkbReader.read(bytes);
            LOGGER.info("geometry: {}", geometry);
        } catch (ParseException e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * WKB 输出数据
     */
    public void stu01() {
        GeometryFactory geometryFactory = new GeometryFactory();
        Point point = geometryFactory.createPoint(new Coordinate(114.413265, 30.482731));
        LOGGER.info("Point: {}", point);
        byte[] bytes = wkbWriter.write(point);
        LOGGER.info("bytes: {}", bytes);
    }
}
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