Module 2 - Attaching Imagery and LiDAR Data


In this module you will learn how attach aerial imagery and a background map. You will also learn how create a terrain from LiDAR Data.



Learn how to adjust Raster manager Preferences.

Learn how to use View Attributes to attach a street map and aerial photo.

Learn how to use Terrain From File import tool to bring in LiDAR Data.

Learn how to Import LiDAR Data from USGS to create a terrain.


Before attempting to open or create DGN files users should make sure the following is in place:

  • CTDOT users should have the CTDOT CONNECT DDE synced through SharePoint with the COMPASS Project Synced along with the CAD Configuration follow Module 3 - CTDOT Employee DDE Sync.
  • Consultants should have one of the following set up: Module 1 - Consultant DDE Install or Module 2 - Consultant DDE Sync.
  • Make note of the Coordinate System you will be working in. If you have existing survey data, you will need to find out what system is being used (NAD 83/NAVD 88 or NAD 27/NAVD 29). 

1. Log on to the CONNECTION Client. Bentley CONNECT licensing requires users to log into their Bentley account to secure a software license. CTDOT users should log in using your CTDOT email address and Bentley password. If you do not see the dialog box, select the ˄ icon on the bottom Windows Screen. Click on the Connection Client Icon and select Open.

2. Access OpenRoads through Accounting or the Customized Icon following Volume 1 - M.6.1 Accessing the Application.

3. Using the small drop-down arrows select the Workspace CT Civil English Workspace and the correct WorkSet.