Пример #1
0
        public void AddComplexRegion()
        {
            Database db = HostApplicationServices.WorkingDatabase;

            using (Transaction trans = db.TransactionManager.StartTransaction())
            {
                //创建一个正六边形
                Polyline polygon = new Polyline();
                polygon.CreatePolygon(new Point2d(500, 200), 6, 30);
                //创建一个圆
                Circle circle = new Circle
                {
                    Center = new Point3d(500, 200, 0),
                    Radius = 10
                };
                //根据正六边形和圆创建面域
                List <Region> regions = RegionTools.CreateRegion(polygon, circle);
                if (regions.Count == 0)
                {
                    return;                    //如果面域创建未成功,则返回
                }
                //使用LINQ按面积对面域进行排序
                List <Region> orderRegions = (from r in regions
                                              orderby r.Area
                                              select r).ToList();
                //对面域进行布尔操作,获取正六边形减去圆后的部分
                orderRegions[1].BooleanOperation(BooleanOperationType.BoolSubtract, orderRegions[0]);

                db.AddToModelSpace(regions[1]); //将上面操作好的面域添加到数据库中

                trans.Commit();                 //提交更改
            }
        }
Пример #2
0
        public void AddRegion()
        {
            Database db = HostApplicationServices.WorkingDatabase;

            using (Transaction trans = db.TransactionManager.StartTransaction())
            {
                //创建一个三角形
                Polyline triangle = new Polyline();
                triangle.CreatePolygon(new Point2d(550, 200), 3, 30);
                //根据三角形创建面域
                List <Region> regions = RegionTools.CreateRegion(triangle);
                if (regions.Count == 0)
                {
                    return;                    //如果面域创建未成功,则返回
                }
                Region region = regions[0];
                db.AddToModelSpace(region);//将创建的面域添加到数据库中
                //获取面域的质量特性
                GetAreaProp(region);
                trans.Commit();//提交更改
            }
        }