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Re: ScatterDraw data ownership [message #54087 is a reply to message #54085]

Sat, 30 May 2020 22:45

busiek is currently offline

busiek
Messages: 64
Registered: February 2011
Location: Poland

Member

Dear Koldo,

OK. Currently, I simply call SetDataSourceInternal() whenever I need - i.e. when new serie is created. It works. However, when I want to add some another serie, I need to call SetDataSourceInternal() again and - as I understand - it copies all data for all series once again, while only the data of the new serie should be copied. Correct me, if I am wrong.

I operate on a very big data. The main functionality of my app is to find some nice smoothing of the given data interactively. I try several settings, create new series basing on some previous one and compare visually how they match. Currently, the interface you provided simply suffices. I just wonder what would happen if a single serie needed ~1 GB memory to store. Then avoiding any kind of copying is welcome, but it is hypothetical setting Wink

Wink

Jakub
P.S. Scatter{Draw,Ctrl} is great and it saved me a lot of work Smile

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[Message index]

		ScatterDraw data ownership By: busiek on Fri, 29 May 2020 11:27
		Re: ScatterDraw data ownership By: koldo on Fri, 29 May 2020 23:27
		Re: ScatterDraw data ownership By: busiek on Sat, 30 May 2020 18:37
		Re: ScatterDraw data ownership By: koldo on Sat, 30 May 2020 20:02
		Re: ScatterDraw data ownership By: busiek on Sat, 30 May 2020 22:45
		Re: ScatterDraw data ownership By: koldo on Sun, 31 May 2020 20:51
		Re: ScatterDraw data ownership By: busiek on Sun, 31 May 2020 22:24
		Re: ScatterDraw data ownership By: koldo on Mon, 01 June 2020 08:00
		Re: ScatterDraw data ownership By: busiek on Mon, 01 June 2020 08:03
		Re: ScatterDraw data ownership By: koldo on Mon, 01 June 2020 10:35
		Re: ScatterDraw data ownership By: busiek on Mon, 01 June 2020 12:27
		Re: ScatterDraw data ownership By: koldo on Mon, 01 June 2020 14:12

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