I need help creating a design surface from an original surface. The current method I am using is taking alignments and adjusting the elevations on the profile. I would add the alignment as a breakline to create the design surface. Is there a simple way to create a design surface?
Or you can use Feature Lines.
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After I change the elevation of the profile, I change the alignment to a feature line. Then I add the line as a breakline to the surface.
Design surface is quite a broad term. All the other suggestions apply.
But could you elaborate on what constitutes your design surface? Parking lot , roadway, subdivision, mining, basins, landfills? There is just so many ways to skin this.
Joseph D. Bouza, P.E. (one of 'THOSE' People) Civil 3D 2012 & 2013
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