IPhone4 Core Plot what's a reasonable number of points for scatter plot?

That would require 43000 pixels wide view to see them all at once :).

That would require 43000 pixels wide view to see them all at once :) In my application I have scatter plots of data with up to 3600 values, but I only display as many points as would fit within the visible xRange. E.g.My graph view is 600px wide, so I adjust plot data points amount to be either: no more than 600 points in current xRange - if xRange. LengthDouble >= 600 no more than xRange.

LengthDouble points in current xRange - if xRange. LengthDouble If you don't have to display the data in huge zoom factor, you could simply reduce data points and display only 1/n part of your data (every nth result).

I have a core plot hosting graph within a scroll view, so I can technically plot as many points as I want to :) maybe if I use tiling within scroll view, I would be able to let the user zoom all the way down to the most minute details.. I've been testing with up to 1500 pixel wide views, and the performance is just abysmal. I tried different sampling rates (convert 60 points into 1), etc, and it the performance is still very bad. Sometimes the chart even fails to open the controller.

– Alex Stone Oct 22 '11 at 4:07.

We're really happy with the level of performance we've achieved so far - it might prove a more suitable option for your needs. You can get a free trial at shinobicontrols.com.

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