The image can be used
with any procedures that produce a picture or support the CBACK= option.
The IBACK option is supported by the Graph applet and the Map applet,
but it is not supported by the Contour applet. See Introducing SAS/GRAPH Output for the Web for information
about these applets.
This option overrides
the BackGroundImage and Image styles attribute in the graph styles.
To suppress a background image that is defined in a style or to reset
the value of the IBACK= option, specify a blank space:
For more information
about graph styles, refer to the TEMPLATE procedure documentation
in
SAS Output Delivery System: User's Guide.