How do you edit expressions in Civil 3D?

How do I edit an expression in Autocad?

Editing Expressions

  1. Select the Expressions collection that contains the expression you want to edit.
  2. Ensure the Toolspace item view is visible.
  3. Right-click an expression in the item view and click Edit Expression.
  4. Edit the expression using the Expressions dialog box.

How do you use expressions in Civil 3D?

To Set Up Label Expressions

  1. In Toolspace, on the Settings tab, expand a label style type collection. …
  2. Right-click Expressions and click New.
  3. In the Expressions dialog box, enter a name and description for the expression. …
  4. Click the Insert Property button and select a property from the list.

How do I use expressions in Autocad?

You can insert expressions into label styles by selecting expressions in place of static values for text, line, and block component modifiers. For example, in the Layout tab of the Label Style Composer dialog box, you can insert an expression in place of a static value when determining the text height of a label.

How do you edit points in Civil 3D?

Select a point in the drawing, right-click Properties. On the Design tab expand the Autodesk Civil 3D section to display the point properties for Display, Information, Coordinate, and Labeling. To change a property, click in the cell and enter a new value or select a value from the list.


What is the meaning of elevation in Civil 3D?

Mean Elevation. Displays the mean or average elevation of all the points on the surface.

How do you raise or lower points in Civil 3D?


  1. Open the Prospector tab in Civil 3D.
  2. Right-click Points or Point Group. Click Edit Points.
  3. Press CTRL+A to select all of the points, or select them individually.
  4. Right-click the selection of points. Click Datum.
  5. When prompted, enter the desired change in elevation.

How do you change the surface elevation in Civil 3D?

To Change the Elevation of a Surface

  1. In Toolspace, on the Prospector tab, expand the surface Definition collection, right-click , and click Raise/Lower Surface. Note: TIN or grid volume surfaces do not support editing operations.
  2. Enter a positive value to raise the surface or a negative value to lower the surface.
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