GRADING command
Creates a graded surface on existing topo surfaces.
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Description
Creates a graded surface between a selected entity and a TIN surface or an offset or slope graded surface from a selected entity.Select the entity to define a graded surface, select the target TIN surface to create a graded surface and move the mouse to adjust the slope of the grading.
Options
- slOpe/offset
 - Sets either the slope or offset option of the grading.
 
Note: The offset-slope projection method requires input
                    entity, offset, and slope.