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Old June 29th 09, 09:03 AM posted to microsoft.public.excel.misc
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Default Graphing Large Amounts of Data

TWIMC

I have a datalog which contains a large amount of info (+10000 data points).
When I try and plot anything more than 1000 points in Excel 2007, the app
starts to labour quite seriously and takes forever to fomat a simple thing
like axis scale.

I assume that this is because the new Excel has some pretty fancy formatting
options and it also runs live previewing as formats are changed within
dialogue boxes. Is there a way to just draw simple scatter plots without any
of the processor consuming embelishments? I just need basic formatting
functionality.

Thanks

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Old June 29th 09, 01:19 PM posted to microsoft.public.excel.misc
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First recorded activity by ExcelBanter: Jul 2006
Posts: 2,204
Default Graphing Large Amounts of Data

I don't have any good news for you, hopefully someone else will.

The slowdown in charting in 2007 is a long time complaint of many users. I
have had some clients go back to earlier versions of Excel because of it.
I've seen it take as much as 10x longer to generate the same chart in 2007
than it did in 2003.

Also, with the large number of data points you may have, keep in mind that
the limit of data points in series in 2D chart is 32,000 (4,000 in a 3D
chart) in Excel 2007. Also, I found early on that the data points counter
didn't clear from chart to chart on a single sheet; it turned out to be a
limit of data points charted on a single sheet. Not sure if that's been
fixed or not yet.

"BSc Chem Eng Rick" wrote:

TWIMC

I have a datalog which contains a large amount of info (+10000 data points).
When I try and plot anything more than 1000 points in Excel 2007, the app
starts to labour quite seriously and takes forever to fomat a simple thing
like axis scale.

I assume that this is because the new Excel has some pretty fancy formatting
options and it also runs live previewing as formats are changed within
dialogue boxes. Is there a way to just draw simple scatter plots without any
of the processor consuming embelishments? I just need basic formatting
functionality.

Thanks



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