YUPPERWINDOW

Syntax: | `SET YUPPERWINDOW n SET %YUPPERWINDOW n GET YUPPERWINDOW { n } GET %YUPPERWINDOW { n }`
Default value: | `%YUPPERWINDOW = 100.0`

`YUPPERWINDOW` determines the top edge of the graphics sub-window. There are two forms:

`YUPPERWINDOW` | → | the top edge of the graphics sub-window, in world coordinate units
`%YUPPERWINDOW` | → | the top edge, expressed as a percentage of the height of the graphics world window

YLOWERWINDOW
CONTOURLABELHEIGHT