Using line chart as Curve is chopping off peaks

Hi,
I am using BIRT 2.3.2 version. In my line chart if i use the option to "show line as curve", then i am seeing portion of the curve peaks will get chopped off when there is sudden transition from a low to high points. Please refer to attached screen shot of the line chart. I feel, there should be certain configurable settings in line chart, which will not result in chopping off the curve peaks.

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pratim

Hi,
Here is the attached example for a line chart rptdesign file, which shows the issue.
Please help !!

mwilliams

Take a look at the attached example. I added a second dataSet that is grouped by date. From here I can find the max value that will be in the chart. I put a text box in the report and bind it to this new dataSet so that the dataSet is ran. In the onCreate of the table, I grab the value of the computed column I made that displays the max value in the dataSet. Finally, I added some script to the beforeGeneration script to grab this variable and make the y-axis max 5% higher than the max value. Let me know if you have questions.