The Knowledge Book viewer supports the following mouse behavior and touch screen gestures:

 Mode/Command

 Action

 Mouse

 Touch screen gesture

 Examine Mode

 Rotate View

 Left - Move

 One Finger - Swipe

 Pan View

 Middle (wheel) - Move

 Two Finger - Swipe

 Zoom In

 Wheel - Up

 Two Finger - Pinch Out

 Zoom Out

 Wheel - Down

 Two Finger - Pinch In

 Pick Asset

 Left - Click

 One Finger - Tap 

 Pan Mode

 Pan Camera

 Left - Move, 

 One, Two Finger - Swipe

  

 Pick Asset

 Left - Click

 One Finger - Tap

 

 Zoom In

 Wheel - Up

 Two Finger - Pinch Out 

 Zoom Out

 Wheel - Down

 Two Finger - Pinch In 

 

 Measurement Mode

 Pan View

 Middle (wheel) - Move 

 Two Finger - Swipe 

 Zoom In

 Wheel - Up

 Two Finger - Pinch Out 

 Zoom Out

 Wheel - Down

 Two Finger - Pinch In 

 Place Measurement Point 

 Left - Click

 One Finger - Tap 

 Zoom Area Command 

 Zoom Area

 Left - Drag and release 

 One Finger - Drag and release 

 Focus Command

 Focus View

 Left - Click

 One Finger - Tap


 Bubble Viewer


 Rotate View


 Left - Move

 One Finger - Swipe


 Widen Field of View


 Wheel - Down

 Two Finger - Pinch In 


 Narrow Field of View


 Wheel - Up

 Two Finger - Pinch Out