The Grading Settings are used by several of the commands that datum-adjust points.
The Grading Settings Dialog offers the following options:
(Note that fewer options are available in the Free Edition.)
This amount is added to the profile elevation. It would be the sum of y + z in the diagram below.
Grade or Slope:
Cross-slope grade or slope, sloping away from centerline in both directions. The cross-slope may be specified either as a percent grade, or as a slope in either Run:Rise or Rise:Run format, depending on which options are selected.
An additional horizontal offset to apply. This affects the grade calculation, by changing the distance between the alignment and the grading point.
Datum-adjust points based on Feature Lines, 3D-Polylines, Survey Figures, or other linework.
Datum-adjust points based on Profiles.
Straight-grade points, using an existing piece of linework as a temporary alignment for the grading.
Straight-grade points, using a temporary grading line drawn through pick points.