+ /**
+ * Request that a rescale be done to recalculate derived values
+ */
+ public void requestRescale()
+ {
+ _scaled = false;
+ }
+
+ /**
+ * Extend the track's field list with the given additional fields
+ * @param inFieldList list of fields to be added
+ */
+ public void extendFieldList(FieldList inFieldList)
+ {
+ _masterFieldList = _masterFieldList.merge(inFieldList);
+ }
+