How do you make contours in Civil 3D?

How do you create contours in Civil 3D 2020?

To Add Contour Lines

  1. In Display Manager , right-click a surface layer, and select Create Contour Layer.
  2. In the Generate Contour dialog box, enter a name for the new Display Manager layer that will contain the contour lines.

How do you make smooth contours in Civil 3D?

Make sure that the contour line style has switched on “line smoothing.”



Under Point Interpolation, Select output region by clicking on the value column > select Surface (Region or Polygon).

  1. Enter an X-Spacing. …
  2. Enter an Y-Spacing. …
  3. If necessary, specify grid orientation.
  4. Select OK.

How do you create contours in Civil 3D 2021?

To Add Contour Lines

  1. In Display Manager , right-click a surface layer, and select Create Contour Layer.
  2. In the Generate Contour dialog box, enter a name for the new Display Manager layer that will contain the contour lines.

What is contour in Civil 3D?

Contours are graphical illustrations of surface elevation changes. You can create a surface from contours drawn as 2D or 3D polylines where each unique polyline contains points that are all at the same elevation.

How do you edit surface contours in Civil 3d?

Edit any contour that you have defined by selecting it in the drawing.



  1. Select the contour graphically or by using an AutoCAD command, such as PEDIT or CHANGE.
  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.
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How do you create contouring labels?

Contour labeling

  1. Ensure the Maplex Label Engine is enabled.
  2. Set up the Contour Placement style.
  3. Create a halo behind the feature.
  4. Create a label expression that only labels every hundredth interval. Use one of the ArcGIS Arcade label expressions below, depending on your data.

How do you add contour values?

Add and edit contour lines



To add contour lines when you create a graph, click Data View. To add contour lines to an existing graph, click the graph and choose Editor > Add > Data Display. To edit contour lines, select and double-click a contour line.

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