Commands for Panning and Zooming the View
Commands
PAN (Command)
VIEWRES (Command)
VTOPTIONS (Command)
ZOOM (Command)
System Variables
EXTMAX (System Variable)
EXTMIN (System Variable)
MBUTTONPAN (System Variable)
RTDISPLAY (System Variable)
VSMAX (System Variable)
VSMIN (System Variable)
VTDURATION (System Variable)
VTENABLE (System Variable)
VTFPS (System Variable)
WHIPARC (System Variable)
WHIPTHREAD (System Variable)
ZOOMFACTOR (System Variable)
ZOOMWHEEL (System Variable)