12/6/2006  STAR BNL
http://www.star.bnl.gov/STAR/comp/vis/  S&C STAR weekly meeting.
V.Fine (fine@bnl.gov) 6
The following controls can be used:
•hold down left mouse button and move mouse pointer to rotate the camera around it's current focal point (the focal point can be changed by doing a seek operation)
•hold middle mouse button to pan (or a CTRL-key plus left mouse button, or a SHIFT-key plus left mouse button)
•hold down left + middle mouse button to zoom / dolly, or CTRL + middle mouse button, or CTRL + SHIFT + the left mouse button
•click 's', then pick with the left mouse button to seek
•right mouse button opens the popup menu
•click 'ESC' key to switch to and from 'camera interaction' mode and 'scenegraph interaction' mode (see setViewing() documentation)
•'q' quits the application
•Hitting any of the __ , __ or __ buttons in the panel on the left side of the rendered canvas will "flip" the current camera direction around it's focal point to point along the selected axis (towards negative infinity).
•Hitting any of the "cutted" ___, __ or __ buttons in the panel will position the so-called clip plane at the center of the scene and orthogonal to the selected axis.
•The SoQtExaminerViewer provides a user decoration's      button for toggling between orthographic or perspective camera view volumes and projection methods. This is the bottom-most click button on the right decoration border.
•It also inherits the decoration buttons from the SoQtFullViewer on the right side:
•the arrow for switching to "scenegraph interaction" mode,
•the hand for setting back to "camera interaction" mode,
•the house for "reset camera to home position",
•the blueprint house for "set new camera home position",
•the eye for "zoom camera out to view full scene" and
•the flashlight for setting "click to seek" mode.
GUI