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Keyboard and Mouse Controls

This is intended to be a comprehensive list of all the keyboard and mouse controls available in S2PLOT as well as a description of how they work.

General Interaction and Camera Control

Left Mouse Button (Hold)Free rotation of geometry
Middle Mouse Button (Hold)Rotate (roll) camera clockwise/anti-clockwise
Right Mouse Button (Click)Select/deselect a handle - see cs2shcb
Shift-Right Mouse Button (Hold)Drag a handle - see cs2sdhcb
f, FFocus camera on centre of geometry
h, H, HomeHome position - Returns camera to original starting position
r, RCycle rendering mode: wireframe, flat, diffuse and specular shading
Left arrowRotate camera left
Right arrowRotate camera right
Down arrow Rotate camera down
Up arrow Rotate camera up
i, k Move (translate) camera up, down
j, l Move (translate) camera left, right
+, - Track camera forward/backwards
[, ] Roll anticlockwise, clockwise - same as the middle mouse button
{, } Increase/decrease the eye-separation for stereo modes
a, AToggle autospin
<,>Decrease/increase camera interaction speed
*,/Decrease/increase autospin speed
~Activate the command prompt for use with cs2spcb
`Toggle between odd and even scan lines for the /s2inter (interlaced stereo) device mode
shift-ENTERReturn control to program when using s2disp
TABMove between panels: see xs2cp
shift-q, shift-ESCQuit the program

Function Keys and Saving Images or Geometry

F1 Toggle help information - displays a list of keyboard options
F2 Toggle bounding box
F5 Write geometry and camera view file to disk
F6 Write geometry, camera view file and current screen image to disk
F7 Toggle recording of geometry, camera view file and image
F9 Write large (3 x 3) image to disk - saves a series of 'chopped up' images for recombining to make a high quality image
F10 Write current screen image to disk, saved in the current working directory
F11 Create QTVR object images - rotates the scene creating a series of images (e.g. each frame can be joined to make a movie)
F12 Toggle image recording - same as F11 but allows the user to rotate the geometry themselves
c Append current camera position to camera.path file
d Toggle debug mode - provides information on camera position, frame rates, etc.


  • Saved images are in TGA format and are numbered sequentially and uniquely
  • On Apple OSX platforms, it is usually necesary to hold down the fn key while using the above keystrokes

Callback System

z, ZToggle drawing of dynamic geometry by disabling/enabling a callback function set with cs2scb.
0...9Available for assigning to callback functions using cs2sncb. The default operation of keys 1...7 is to display standard camera views. 0, 8 and 9 have no default behaviour
Space BarThis key press is available through the callback system for programmer-assigned tasks. The number of times the space bar key is pressed is passed to a callback function as a parameter. For examples, see cs2scb.


shift-sToggle drawing of handles for selection
shift-CToggle drawing of cross-hairs
Right Mouse Button (press)Select a handle
Shift-Right Mouse Button (hold)Drag a handle
Ctrl+Shift-Mouse pad (hold)Drag a handle

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