Toposurface Intersection Lines - Revit

Question

How do you display lines of intersection between a toposurface and other objects?

Answer

To display an intersection line when you have a column placed on a toposurface, go to site view, click on the site tab, using the lines tool, trace over the boundaries of the column, click finish sketch. This process will create a split in the toposurface that is the same shape as the column shape.