public AspectPreservingRectCourseObj(Id<ControlPoint> controlId, Id<CourseControl> courseControlId, Id<Special> specialId, float scaleRatio, CourseAppearance appearance, RectangleF rect) : base(controlId, courseControlId, specialId, scaleRatio, appearance, rect) { if (rect.Height != 0) aspect = rect.Width / rect.Height; else aspect = 1; }