In order to create a drill-down graph, you must do the following:
•Add a column that contains the URL of each link to the data set for the drill-down
graph.
•Use the URL= option in the plot statement to specify the data column that contains
the link URLs.
•Enable image mapping in ODS Graphics by using the IMAGEMAP=ON option in
the ODS GRAPHICS statement.
•Write the graph output to the ODS HTML destination.
For example, to create the drill-down pie chart in Figure 21.1 on page 422, you must
complete the following steps:
1.Add the URLs for the supporting bar charts to a character column in the data set for
your main graph. ...
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