Autodesk Civil 3D structures must often align with other objects for instance road edges, alignments etc. Civil 3D only allows users to rotate one structure at a time using grip points, which is a very time-consuming process. If you have multiple structures needing the same rotation angle, use the Devotech iDAS Rotate Structures command:
Select the structures and specify the rotation angle. The rotation angle is always measured from the horizontal line in a counter-clockwise direction, not from the structure’s rotation angle:
The rotated structure:
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