Hi,
im looking for a charting class library like Nevron or DevExpress that can handle with very big datasets (2 Millions points per second for example) are there better or more powerful Components? I need a few components to compare it among each other.
thanks
Did you checked the MS build in Charting Solution? http://weblogs.asp.net/scottgu/archive/2010/02/07/built-in-charting-controls-vs-2010-and-net-4-series.aspx
It is for Winforms and ASP.net and as far as I remember there are plans to implement WPF support (<- but not sure)...
Download here: http://www.microsoft.com/downloads/details.aspx?FamilyID=130f7986-bf49-4fe5-9ca8-910ae6ea442c&DisplayLang=en
Documentation here: http://www.microsoft.com/downloads/details.aspx?FamilyId=EE8F6F35-B087-4324-9DBA-6DD5E844FD9F
You cannot physically show more than 300-1200 pixels/inch on a printer and a lot less on a display.
Take those 2 million points and summarise every group of 1000-odd points (via mean, median, mode, maximum or minimum...), so that you end up with 2000 'summarised' points (this would be quick and easy to code). Charting 2000 summarised points makes much more sense for on-screen charting. Use a summary range of 100-500 points, if it will be printed (depending on printer DPI capability and chart size).
Internally, this is what most charting components will have to do, in any case.