AutoCAD Civil 3D :: Make 2D Plines Take On Elevations Of Points At Their Vertices?

May 9, 2012

I know there are different ways to do this.  Would like to know multiple options so I can see which might be quickest for me.

I have points with elevations and 2D plines at elevation zero drawn between them.

I would like 3D plines instead.  This is the easiest way for me to transfer them to another drawing where I will make surfaces with them.  I don't want to have to transfer the points over.

I can redraw the plines as 3D plines but this is time consuming and seems unecessary.

I don't want to have to convert them to Feature Lines either.  I prefer they be 3D polylines.

Is there a simple command for this?  I already have a surface containing the points and lines as surface breaklines.

Is there a project objects to surface command that will make these 2D plines at elev 0 into 3D plines while assigning elevations (and vertices) only at the current vertices?

What about a simple series of commands to convert the 2D plines to 3D plines, then force the 3D pline to take on the elevations of the points at its vertices?  (I think this would be my preference, but don't know any of these commands or where to find them.)

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