Model Viewer Controls

Trackpad:

• Click + hold + drag with second finger allows you to choose a focal point and rotate the model in three dimensions about that point
  
  • Double tap on track pad acts as click, so if you double tap then drag it acts the same way
• Two finger drag allows you to zoom in and out
• Right click + hold allows you to move your position relative to the model without rotation
• Left click + hold allows you to move the camera around 
• Two finger pinch zooms out
• Two finger spread zooms in

Mouse and Keyboard:

• To zoom in and out, use your mouse's scroll wheel
• To rotate the model in three dimensions, hold left click and move your mouse
• To move your position relative to the model without rotation hold Right click and move your mouse.
• If you turn on "Dense Point Cloud" or "Sparse Point Cloud" you can double-click on a point to quickly zoom in to where you have clicked. 

 
Misc.

• If you turn on "Dense Point Cloud" or "Sparse Point Cloud" you can double-tap/double-click on your trackpad to zoom in.