5.8. - tu turn plot
determines whether the plot is drawn in landscape or portrait mode. (Landscape is the default.)
tu or tu stateIf no parameter is used, the plot orientation is toggled. An argument of
0 puts the plot in landscape mode.
If
1 is given as
the argument, the plot is drawn in portrait orientation.
C-PLOT will try to maintain the window dimensions chosen with
wi. If a window won't fit when the plot is turned,
the default window dimensions are used and an error message is printed.
Plots displayed using PseudoGraphics are not affected.