The EMAN2 stack viewer on MAC OSX

Key

Action

Up

Shift view up by one row

Down

Shift view down by one row

W

Shift view up by as many rows as there are currently displayed

S

Shift view down by as many rows as there are currently displayed

Mouse Action

Result

Right button drag

Image movement in y direction only

Mouse wheel in and out

Zoom in and out, respectively

Left button click

Context specific particle actions, such as deletion and set association