Select the Constraint
Direction icon from the Grading Proposed section of the Site Layout tab.
Select the Constraint Area
to assign the Constraint Direction line to.
Datapoint (left click) to
place the PI's for the Constraint Direction line. Reset (right click) when
finished.
Select the Grading Solver
icon from the Grading Proposed section of the Site Layout tab. Note that the
slope inside the Constraint Area is now following the Constraint Direction
line.
