Scale Background Image to Point Cloud
Step 1: Scale Background Image
Select a setup and then click the Scale Background Image button on the top tool bar and use the mouse wheel to scale the background image to the appropriate size. When scaled, click Done in the action bar at the bottom of the screen.
Step 2: Move the Point Cloud
Hold and drag one of the setup locations to move the Point Cloud. Hold the shift key and drag to rotate the point cloud about the selected setup location.