如何利用jts将点云构造成一个多边形答:new Coordinate(0, 1),new Coordinate(3, 4),new Coordinate(1, 0),new Coordinate(2, 0),new Coordinate(2, 3),new Coordinate(1, 2),new Coordinate(3, 1),new Coordinate(1, 1),new Coordinate(2, 2)};/*Coordinate[] coordinates = new Coordinate[]{ new Coordinate(0, 0),new...