Check out RTRoassalExample>>exampleArrowedAndLabelledLine , it should demonstrate the functionality for both elements and edges. You can also use TRConstraint, but that is a tad bit more advanced.
Peter
Check out RTRoassalExample>>exampleArrowedAndLabelledLine , it should demonstrate the functionality for both elements and edges. You can also use TRConstraint, but that is a tad bit more advanced.
Peter