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I am having a problem of "steps" being modeled in my Surface. I am using contours to generate the surface. Instead of Civil 3D modeling a smooth straight surface from contour to contour, it is modeling a step like transition. Any ideas as to why?
Can you post a screen cap or a DWG so we can see what you are seeing?
When you add polyline contours to a surface, there are options to minimise flat spots. You'll need to experiment, but I've found just turning on all the options does a reasonable job (see pic). The issue occurs when the triangle distance from vertex to vertex on the same contour is less than the distance between different contours.
Good luck
- Mick