Sequence Diagram Variables

The value of pic variables can sometimes be modified by assignment to achieve a better-looking result. The following two lines change the width of the object boxes to 1.1" and the spacing between objects to 0.5".
boxwid = 1.1;
movewid = 0.5;
The following variables can be redefined to change the layout of a drawing.

Variable NameDefault ValueOperation
boxht0.3Object box height
boxwid0.75Object box width
awid0.1Active lifeline width
spacing0.25Spacing between messages
movewid0.75Spacing between objects
dashwid0.05Interval for dashed lines
maxpswid11Maximum width of picture
maxpsht11Maximum height of picture