Drill Down Charts

[Hari Pandalai]

I have followed Richard Atkinson's link and I am able to genarate charts using JSP. I neeeded to make a drill down chart. I saw his example. I am using the StandardCategoryURLGenerator(java.lang.String prefix,java.lang.String seriesParameterName,
java.lang.String categoryParameterName) constructor.

But I needed to pass more info thru the query string.

I have a jsp page from where a user can select an institution(drop down box). When the user subimts a graph is generated for the total no. of courses for that institution for the next 4 years. It is a line graph. on clicking one of those 4 data points the user should get the total of all sessions for those years. For that I need to pass the institution_id also other than the seriesParameterName and categoryParameterName. Is this possible?

[Richard Atkinson]

You can develop any class that implements the CategoryURLGenerator interface and use that to generate URLs in your preferred format. Set the URLGenerator in your Renderer in order to get it to generate the URLs.

Have a look at the StandardCategoryURLGenerator source code to see an example of how to implement a CategoryURLGenerator.

Regards,
Richard...