+
+ /**
+ * Fixed angle turn component is such that piping rules cannot modify the angle.
+ * @return
+ */
+ public boolean isFixedAngle() {
+ return isFixed && isTurn();
+ }
+
+ /**
+ * Does the turn behave like fixed angle?
+ * For variable angle turns, the turn angle is defined by connected components, and without them, we must handle the component as fixed angle.
+ * @return
+ */
+ public boolean asFixedAngle() {
+ return isTurn() && (isFixed || next == null || previous == null);
+ }