# User Interface commands Hold the Left mouse button and drag to Rotate about the X & Y axes Hold the Right mouse button and drag to Pan (left/right/up/down) Hold the Middle mouse button and drag to Rotate about the Z axis Hold [shift] and use the scroll wheel to move the clip plane in and out. ``` [F1] Print help [UP] Previous command in history if available [DOWN] Next command in history if available [TAB] Nearest match from history to partially typed command [ALT+UP] Load previous model in list at current time-step if data available [ALT+DOWN] Load next model in list at current time-step if data available [LEFT] Previous time-step [RIGHT] Next time-step [Page Up] Select the previous viewport if available [Page Down] Select the next viewport if available [`] Full screen ON/OFF Hold [ALT] plus: [space] Play/pause animation or stop recording [*] Auto zoom to fit ON/OFF [/] Stereo ON/OFF [\] Switch coordinate system Right-handed/Left-handed [|] Switch rulers ON/OFF [,] Switch to next particle rendering texture [+/=] More particles (reduce sub-sampling) [-] Less particles (increase sub-sampling) [a] Hide/show axis [b] Background colour switch WHITE/BLACK [B] Background colour grey [c] Camera info: output to console current camera parameters [f] Frame border ON/OFF [i] Take screen-shot and save as png/jpeg image file [j] Localise colour scales, minimum and maximum calibrated to each object drawn [k] Lock colour scale calibrations to current values ON/OFF [o] Object legend, print list of object names with id numbers. [r] Reset camera viewpoint [q] Quit program [u] Backface Culling ON/OFF [w] Wireframe ON/OFF [v] Increase vector size scaling [V] Reduce vector size scaling [t] Increase tracer size scaling [T] Reduce tracer size scaling [p] Increase particle size scaling [P] Reduce particle size scaling [s] Increase shape size scaling [S] Reduce shape size scaling [p] [ENTER] hide/show all particle swarms [v] [ENTER] hide/show all vector arrow fields [t] [ENTER] hide/show all tracer trajectories [q] [ENTER] hide/show all quad surfaces (scalar fields, cross sections etc.) [u] [ENTER] hide/show all triangle surfaces [s] [ENTER] hide/show all shapes [l] [ENTER] hide/show all lines [ESC][ENTER] quit program Verbose commands: help commands [ENTER] -- list of all verbose commands help * [ENTER] where * is a command -- detailed help for a command ```