Re: Qt Wrapper for gnuplot

[Ian R. G. <ge...@kd...>]

Petr Mikulik said:
>> I have been working on a KDE interface to Octave, when I found that
>> there
>> was no nice KDE wrapper around gnuplot.  So I started one.
>>
>> I am mostly looking for people who are interested in helping me that a=
re
>> familiar with gnuplot.  I only really know how to do pretty simple
>> things
>> with it, but I did most of the dirty work already, so anyone with mino=
r
>> C++ knowledge, and a good gnuplot background would work.
>
> Look to gnuplot web page. There are some front-ends / wrappers lists. I=
t
> would be useful to use an already existing API rather than developing y=
our
> own.
>
Mainly because they where either not complete, C based, python based or
just plain not OO.

> BTW, you could not use one of the existings, and add a possibity to dra=
w
> into a KDE widget? Or even a "KE Widget" terminal for gnuplot?
>
>
Thats more or less what I did. I used the Qt process control object to
communicate with gnuplot and output to a temp file which is then rendered=
.

>> The following C++ code generates the graphic at
>> http://www.geiseri.com/kdevelop/gnuplot.png
>>
>>  KGNUPlotWidget *wid =3D new KGNUPlotWidget();
>
Yeah over the weekend I changed it to KGNUPlot::Widget() but i can make i=
t
KGnuplot::Widget() just as easy.

> not GNUPlot, see FAQ --> rather KGnuplot
>
>
>>  LineStyle line(2);
>
> rather prefixed: kgnuplotLineStyle
>
No C++ not C api please.

>
>>  wid->setXLabel("Test X Label");
>>  wid->setYLabel("Test Y Label");
>>  wid->setFormats(KGNUPlotWidget::X, "%g");
>>  wid->setFormats(KGNUPlotWidget::Y, "%.2f");
>
> That looks like reimplementation of gnuplot structure into you KDE. Wha=
t
> about just the similar thing as Octave does:
>  wid->raw("set mxtics 5");
>
> raw would do printf()+fflush()
It is. The only difference is I want a OO api, not subjecting the user to
more shell madness.

Cheers
   -ian reinhart geiser

--=20
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