How to > Advanced features and topics > Analyze > Measure > Measure direction > Measure the direction of the view in a viewport
  
Measure the direction of the view in a viewport
To measure the direction of the view in a viewport
1. Click Analysis and then, in the Measure group, click the arrow next to Direction.
2. Click Direction 3D. The Measure Output dialog box opens with X, Y, and Z fields.
3. You now have two choices for measuring the view direction:
For the direction going into the screen, right-click the viewport and select Vp Dir.
For the direction coming out of the screen, right-click the viewport and select -Vp Dir.
4. Specify the viewport by clicking anywhere in the viewport. The viewer displays the direction in the X, Y, and Z fields.
5. You can click further measure options, or click to complete the operation.