TRACKB

trackball to navigate through an enlarged multi-subplot figure

Description

  TRACKB ; trackball to navigate through an enlarged multi-subplot figure
  -->suppose you have a layout of axes or subplots and you want
  to see one or more axes magnified (i.e. the size of those subplots (h+w)
  is enlarged, NOT parts of the subplot)
  
  -use MOUSEWHEEL to increase/decrease width/hight of subplots/axes
     (ZOOM-FUNCTION)
  -use lower-left corner TRACKBALL to navigate through subplots/axes
  -CONTEXTMENU to reset (zoomfactor=1)
  
  USAGE
  [1] plot a figure with subplots
  [2] type TRACKB in commmand window
  [3] activate TRACKB-PUSHBUTTON in the figure's toolbar
  [4] NOW YOUR TURN: use mousewheel to increase/decrease the 'axes-layout',
      i.e. all axes will be increased/decreased in width and hight
       -a schematic draft in the lower left corner depicts the 'axes-layout'
       -move red TRACKBALL on the drawing to move through axes
  
AN EXAMPLE IS PRESENTED IN THE FUNCTION
  
  ----------------------------------------------------------------------
                    Paul, BNIC 2010
  ----------------------------------------------------------------------

• Required Products: Image Processing Toolbox
• MATLAB release: MATLAB 7.5 (R2007b)