You asked: How do you draw a feature line in Civil 3D?

What is a feature line in Civil 3D?

Feature lines are 3D objects which can be used as grading footprints, surface breaklines, and as corridor baselines. About the Feature Lines Collection (Prospector Tab) Use the Feature Lines collection in the Prospector tree to manage feature line styles and layers.

What does the fit curve edit for a feature line do?

Curved feature lines

To avoid tessellation, you can create a feature line from a 2D polyline with arcs, and then apply elevations using the Grading Elevation Editor. If you want to create a grading from a footprint that has tessellated curves, you can use the Fit Curve command to convert the tessellation to true arcs.

How do you draw a line with elevation in Civil 3D?

Enter an elevation at the command line.

To Draw Straight Segments of Feature Lines

  1. Select a surface from which to obtain the elevations.
  2. Select the Relative Elevation to Surface check box if you want the feature line to be relative to the surface. …
  3. Optionally enter a positive or negative offset value in the edit box.

How do you connect feature lines?

Joining Feature Lines

  1. Click Modify tab Edit Geometry panel Join .
  2. Select the feature line you want to join other lines to.
  3. Select the joining object or enter Multiple to make a selection of multiple feature lines, polylines, or 3D polylines.
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How do you convert a polyline to a 3D polyline?

Use the Convert 3D To 2D Polylines command to convert 3D to 2D polylines. The new polyline will take on the elevation of the start point of the 3D polyline. Click Modify tab Design panel Convert 3D To 2D Polylines Find. Select the polyline(s) to convert.

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