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Re: [apple scitech] Re: Objective C Graphing Packages

Hi,

I was using SM2DGraph for some time, but the performance was too bad when plotting a couple of hundred points. Looking into the code I found the culprit: The point symbols are plotted as strings, which is slow.

I then, after some time trying to change the SM2D framework, wrote my own graphing views. It was rather easy, after I figured out how to draw in a intelligent way to the screen. I have now self maintained code for point diagrams, line diagrams, bars and pies...

It was worth the time, I sadly have not managed to wrap them up in a framework or as example code :-(

Volker

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 >[apple scitech] Re: Objective C Graphing Packages (From: David Hoerl <email@hidden>)



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