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TechEd_Programmer Layered Visualforce Charts
All -
So I think I just need direction on a place to start. I have been using google Charts and Visualizations to display complex scatter charts and line graphs. They way I have accomplished this is through the use of long text fields that contain up to 4K plot point in the X and 4000 in the Y field. This has allowed me to do some really great displays.
Now my user is asking me if I can layer my line graphs. Each line graph has it's own X and Y. To be clear, they rarely share a location on a graph (ie...X1 != X2 or Y1 != Y2). I have read and viewed many layered sales graphs that use the same year or month, but I do not have that commonality in mine.
Is there a way to do a layered line graph with up to 6 lines where the only constant is my Max and Min? Can someone point me in the right direction? I would like to use VF Charts if at all possible.
Thank you in advance for any assistance you can provide.
JP
You can display mulitple line series together in a single chart. See "Adding a Second Data Series" in link below.
http://www.salesforce.com/us/developer/docs/pages/Content/pages_charting_example.htm
Not sure I get "where the only constant is my Max and Min", but you could do apex:axis.steps="0" which would display just the bottom and top values on the axis.
To answer the constant question, only the size of the graph and that it is a line graph are the constants. I could have 1 line with one set of X and Y or 6 lines with 6 sets. I am not sure how to create this variability in the controller and page. If it were always 4 layers I could account for that. Any suggestions?
JP
Use *series.rendered="<condition>"?
Trying dynamic components where you'd compose the apex:chart and its children in Apex and render into an apex:dynamicComponent.