JTS:08 JTS图形相交

版本

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

JTS disjoint intersects

不相交的 九交模型FF*FF****
相交的 九交模型
[T********] [*T*******] [***T*****] [****T****]

俩个图形不相交

    /**
     * 俩个图形 完全不相交
     */
    public void test00() {
        Coordinate[] coordinates1 = new Coordinate[] {
                new Coordinate(1, 1), new Coordinate(1, 4), new Coordinate(5, 4), new Coordinate(5, 1), new Coordinate(1, 1)
        };
        Polygon polygon1 = geometryFactory.createPolygon(coordinates1);

        Coordinate[] coordinates2 = new Coordinate[] {
                new Coordinate(6, 1), new Coordinate(6, 4), new Coordinate(10, 4), new Coordinate(10, 1), new Coordinate(6, 1)
        };
        Polygon polygon2 = geometryFactory.createPolygon(coordinates2);

        LOGGER.info("polygon1 - polygon2 九交模型值：{}", polygon1.relate(polygon2).toString());
        LOGGER.info("polygon1 - polygon2 不相交：{}", polygon1.disjoint(polygon2));
        LOGGER.info("polygon1 - polygon2 相交：{}", polygon1.intersects(polygon2));
    }

17:35:11.796 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 九交模型值：FF2FF1212
17:35:11.798 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 不相交：true
17:35:11.798 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 相交：false

俩个图形 边相交

    public void test01() {
        Coordinate[] coordinates1 = new Coordinate[] {
                new Coordinate(1, 1), new Coordinate(1, 4), new Coordinate(5, 4), new Coordinate(5, 1), new Coordinate(1, 1)
        };
        Polygon polygon1 = geometryFactory.createPolygon(coordinates1);

        Coordinate[] coordinates2 = new Coordinate[] {
                new Coordinate(5, 1), new Coordinate(5, 4), new Coordinate(9, 4), new Coordinate(9, 1), new Coordinate(5, 1)
        };
        Polygon polygon2 = geometryFactory.createPolygon(coordinates2);

        LOGGER.info("polygon1 - polygon2 九交模型值：{}", polygon1.relate(polygon2).toString());
        LOGGER.info("polygon1 - polygon2 不相交：{}", polygon1.disjoint(polygon2));
        LOGGER.info("polygon1 - polygon2 相交：{}", polygon1.intersects(polygon2));
    }

17:38:21.241 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 九交模型值：FF2F11212
17:38:21.243 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 不相交：false
17:38:21.243 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 相交：true

俩个图形 内部相交

    public void test02() {
        Coordinate[] coordinates1 = new Coordinate[] {
                new Coordinate(1, 1), new Coordinate(1, 4), new Coordinate(5, 4), new Coordinate(5, 1), new Coordinate(1, 1)
        };
        Polygon polygon1 = geometryFactory.createPolygon(coordinates1);

        Coordinate[] coordinates2 = new Coordinate[] {
                new Coordinate(3, 1), new Coordinate(3, 4), new Coordinate(7, 4), new Coordinate(7, 1), new Coordinate(3, 1)
        };
        Polygon polygon2 = geometryFactory.createPolygon(coordinates2);

        LOGGER.info("polygon1 - polygon2 九交模型值：{}", polygon1.relate(polygon2).toString());
        LOGGER.info("polygon1 - polygon2 不相交：{}", polygon1.disjoint(polygon2));
        LOGGER.info("polygon1 - polygon2 不相交：{}", polygon1.disjoint(polygon2));
        LOGGER.info("polygon1 - polygon2 相交：{}", polygon1.intersects(polygon2));
    }

19:01:28.663 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 九交模型值：212111212
19:01:28.665 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 不相交：false
19:01:28.665 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 不相交：false
19:01:28.665 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 相交：true

俩个图形 点相交

    public void test03() {
        Coordinate[] coordinates1 = new Coordinate[] {
                new Coordinate(1, 1), new Coordinate(1, 4), new Coordinate(5, 4), new Coordinate(5, 1), new Coordinate(1, 1)
        };
        Polygon polygon1 = geometryFactory.createPolygon(coordinates1);

        Coordinate[] coordinates2 = new Coordinate[] {
                new Coordinate(5, 4), new Coordinate(5, 7), new Coordinate(9, 7), new Coordinate(9, 4), new Coordinate(5, 4)
        };
        Polygon polygon2 = geometryFactory.createPolygon(coordinates2);

        LOGGER.info("polygon1 - polygon2 九交模型值：{}", polygon1.relate(polygon2).toString());
        LOGGER.info("polygon1 - polygon2 不相交：{}", polygon1.disjoint(polygon2));
        LOGGER.info("polygon1 - polygon2 相交：{}", polygon1.intersects(polygon2));
    }

19:04:51.530 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 九交模型值：FF2F01212
19:04:51.533 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 不相交：false
19:04:51.533 [main] INFO  pers.stu.geometry.GeometryEquals - polygon1 - polygon2 相交：true