To update a model with changes to a sourced AutoCAD Civil 3D drawing

Objects brought into your InfraWorks model from a Civil 3D drawing can be updated to reflect changes in the Civil 3D source drawing. Use Reimport to (re-)source the latest version of the drawing.

  1. Click to open the Data Sources panel if it is not already open.
  2. Select the Civil 3D data type features to be updated and right-click.
  3. Choose Reimport from the right-click menu.
    4. Note: Unlike the Reimport command, Refresh does not replace the currently sourced data with data in the latest version of the sourced AutoCAD 3D DWG or IMX file. Refresh re-reads data currently sourced and available to the model. You need to refresh sourced data whenever you change how the model is using sourced data.