overlay
Used to overlay one HLU plot object over a specific style of transformation.
Synopsis
procedure overlay (
base[1] : graphic,
plot[1] : graphic
)
Arguments
base
The bottom element of the overlay chain of plots. The object
referenced must support overlays.
plot
Graphical object to be added to the top of the overlay.
Description
Overlay is used to set a plot so it will be drawn over one or more other plots.
When a plot is added to an overlay, the new plot will be drawn on top of all
of the plots currently in the overlay list. overlay calls
the HLU function NhlAddOverlay.
Reference Manual Control Panel
NG4.1 Home, Index, Examples, Glossary, Feedback, Ref Contents, Ref WhereAmI?
$Revision: 1.9 $ $Date: 1998/06/15 21:30:21 $