Create Surface Civil 3d From Polylines

Creating a toposurface from a selection set of points and polylines. Civil 3d will automatically auto fill the command if we type in linewo so dont worry if you cant remember the whole thing after starting the command we just have to select objects from which we want to create the outer polyline. Answer all you need to do is select your surface and on the contextual ribbon go to the surface tools tab and select extract objects you have the option of selecting which items you wish to extract you could then copy and paste into a separate drawing.
create surface civil 3d from polylines

Select the feature line 5.

Create surface civil 3d from polylines. Create a surface in civil 3d from an existing autocad drawing. With your surface open in civil 3d right click the name of the surface in the toolspace and select the contours 1 and 5 background surface style in the surface properties. In the set elevations from surface dialog box select the surface onto which you want to project the feature line. Select the desired surface layer and style.

On the prospector tab of the toolspace right click on surfaces and select create surface. Select feature line in the canvas alternatively type featureelevsfromsurf command 2. This short video shows you how to create a surface model from existing polylines that represent contours. Launch the tincommand in the command line.

Click on elevation from surface button 3. Buy autocad civil 3d. The main steps are as follows. Confirm that tin surface is selected as type.

Or select create tin surface in the model tab from the quad. Then youll see how to recreate the surface from the polylines. Open the drawing file that contains a set of points 1 and polylines 2. If this is the case civil 3d has tools that make creating a surface from 3d faces or 3d lines representing a tin both accurate and easy.