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Hi Victor,
We have started to use Flex, which generate a Flash (swf) file. We have created a simple form and embed the swf into a pdf, so that all of the form functionality is in the swf. However we have not worked out as yet how to save user inputted data into the swf.
Thom Parker (WindJack Solutions) has an example of embedding a video into a dynamic PDF, but this takes a bit of scripting. Example here. In this case you would have the data in the dynamic form abd the pie chart (previously created in Flex) in the swf. The trouble will be when trying to link the two. We are too early on the Flex road to be able to give you clear/correct answers on this.
Attached is an example of a swf (from Flex) in Acrobat. You will need Acrobat/Reader v9 to view. It is very basic and currently does not remember any changes to the swf. Also the pie chart does not update automatically - hit the refresh button. Flex developers may cringe ![]()
In summary if need pie charts don't use LC Designer. If you are developing in Flex don't import swf into Acrobat - use as web based form or AIR.
Lastly - there is a view amongst visualisation experts that pie charts are not the best way to display data - better to use a column chart.
Good luck,
Niall
ps - slightly improved version that updates the pie chart as data is amended. Using the change event of the textInput object.
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