Camera navigation controls
Select a camera navigation control 
to enable it. Either left-drag or right-drag to move the camera the desired way in the Viewer, such orbit, dolly, zoom.
| Control | Result | Shortcut Key |
|---|
 Orbit | Left-drag revolves the current camera view around the camera interest. Right-drag orbits the camera interest around the camera. | Ctrl-Shift-drag Ctrl-Shift-right-drag |
 Travelling | Left-drag pans the camera and the camera interest. Right-drag slides the camera without moving the camera interest. | Shift-drag Shift-right-drag |
 Dolly | Left-drag dollies the camera without moving the camera interest. Right-drag dollies the camera and the camera interest. | Ctrl-drag Ctrl-right-drag |
 Zoom | Left-drag zooms the Viewer window, in and out. | Z-drag |
 Roll | Left-drag rolls the camera from side to side. Right-drag rolls the camera by increments of 15 degrees. | R-drag R-right-drag |
