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List:       koffice-devel
Subject:    Re: Some random KOffice ideas
From:       Dik Takken <D.H.J.Takken () phys ! uu ! nl>
Date:       2006-03-29 19:26:46
Message-ID: Pine.LNX.4.64.0603292118250.1381 () venus ! phys ! uu ! nl
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On Wed, 29 Mar 2006, Inge Wallin wrote:

>> Could KOffice possibly use GNUPlot for creating data plots? It looks like
>> KOffice is currently trying to re-invent the graphing-wheel.
>
> Well, we already use an embedded charting engine: KDChart from Klarälvdalens
> Datakonsult (www.kdab.net). I don't know too much about gnuplot even if I
> have used it on some occations, but isn't mainly a plot engine rather than a
> charting engine?  I mean, can you produce bar charts with gnuplot?

Uh, not easily.. Didn't think of that...

> It is true that I miss some features of a more advanced plot engine, but I
> don't want to lose the ability to produce charts either.  Perhaps KOffice
> could use an integrated plot utility as well as a charting utility?

I would love to see a 'chart' object as well as a (GNUPlot driven) 'plot' 
object in KOffice.

>> Maybe the output of GNUPlot it not hard to integrate into KOffice
>> documents, because GNUPlot can render to various vector graphics formats,
>> including SVG. I imagine the KChart part could use GNUPlot to generate
>> an SVG graphics object and return it to the host application (KSpread,
>> KWord, ...). The host application can freely render, scale and rotate the
>> SVG graphics without having to call KChart to do this. Only when the
>> settings of the graph change, or the data in the graph changes, a new SVG
>> object needs to be generated.
>
> This is an interesting idea.  However, at the moment, the KOffice programs
> cannot handle embedded SVG.

Ok, that is a bit of a problem then.. :)

>> Also, it might be possible to allow the user to convert a KChart object
>> into an ordinary SVG graphic. This can be useful for customizing a graph
>> using a general vector graphics KPart (Karbon?).
>
> KChart can already generate SVG.  Look in File -> Export...

Oh, thanks. Didn't notice that one..

> I'll let the others comment on idea 2.
>
> 	-Inge
>
> -- 
> Inge Wallin               | Thus spake the master programmer:               |
>                          |      "After three days without programming,     |
> inge@lysator.liu.se       |       life becomes meaningless."                |
>                          | Geoffrey James: The Tao of Programming.         |
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> koffice-devel@kde.org
> https://mail.kde.org/mailman/listinfo/koffice-devel
>


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