Navigating the chart
 Ctrl + mouse to pan the camera
 Rotate the camera with the mouse.
 Use the mouse scroll wheel to zoom in/out towards the focus.
 Use the arrow keys 🡱🡳🡰🡲 to move around.
 Hold down Alt key and 🡱🡳 to zoom in / out ) - if your mouse has no scroll wheel.
 Right Click on a person and select Focus  to center / focus the person.


(Click on the image to enlarge)