How do you clean up contours in Civil 3D?

How do you smooth out contours in Civil 3d?

To smooth the contours, go into the style the surface is using and, on the contours tab, toggle the option to smooth the contours to True. Once you have this toggled on, you can select the type of smoothing you want to apply to the surface as well as how aggressive you want the contour smoothing to be.

How do you edit contour lines in Civil 3d?

To Edit Contours

  1. Select the contour graphically or by using an AutoCAD command, such as PEDIT or PROPERTIES.
  2. Perform the edit to the contour. …
  3. Rebuild the surface to update the contour definition by right-clicking the surface in the Prospector tree and clicking Rebuild.

How do you smooth a surface?

To smooth a surface,

  1. Activate the Surfacing module. …
  2. Click Surfacing and then, in the Advanced Surfacing group, click Smooth Surface. …
  3. Click the surface you want to smooth. …
  4. Enter a surface approximation tolerance in the Tolerance data entry field. …
  5. Click Smooth to smooth the surface with the given tolerance.

How do you label surface contours in Civil 3D?

Click Annotate tab > Labels & Tables panel > Add Labels menu > Surface > Contour – Multiple At Interval. Select the contours to label by specifying the start and end points of the contour label line. Specify the interval and press Enter.

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What is a smooth contour?

Contour smoothness controls the angularity, or roundness, of the contour lines. Smoothness in a contour map can be controlled in several ways: By using Grids | New Grid | Grid Data to produce a denser grid file from your original data.

What is smooth surface?

A smooth surface has no roughness, lumps, or holes.

How do I delete a contour line in AutoCAD?

Select the contour graphically or by using an AutoCAD command, such as PEDIT or PROPERTIES. Perform the edit to the contour. You can insert, move, and delete contour vertices, as well as redefine the elevation at a selected vertex.

How do you edit contour lines in Autocad?

In Display Manager, click the contour layer and click Style in the toolstrip. In the Style Editor, modify the line styles and labels, as you would for other features.

How do you change the contour color in Civil 3D?


  1. Go to Surface Style>Contours tab.
  2. Under Contour range set “Use Color Scheme” to True.
  3. Apply and close dialog.
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