/// <summary> /// 根据矩形盒选择要素,矩形盒坐标位于投影坐标系 /// </summary> /// <param name="box">矩形盒</param> internal override List <int> SelectByBox(MyRectangle box) { List <int> selectedID = new List <int>(); for (int i = 0; i < polylines.Count; i++) { polylines[i].Selected = GeometryTools.IsPolylineCompleteInBox(polylines[i], box); if (polylines[i].Selected == true) { selectedID.Add(i); } } return(selectedID); }