Any ideas why I would get gaps in my grading from a single feature line? The feature line is at the same elevation all the way around and I am trying to grade to my existing surface at a 1:1 slope. No matter what I do it continues to leave out portions of the grading. I have attached a 3d image showing what's going on.
Where the gaps are, are the faces on the OG surface steeper than 1:1 or maybe the og is just so steep that the grading doesn't find a daylight before getting to the edge of the surface? Have you tried 0.5:1 as a check?