Re: Qt Wrapper for gnuplot

[Daniel J S. <dan...@ie...>]

Ian Reinhart Geiser wrote:

>Greetings,
>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.
>

Hi Ian,

There is a lot of functionality in gnuplot, making a wrapper for a full 
implementation quite big.  Octave doesn't use all features, naturally, 
but one nice thing about Octave is the "graw" function that allows one 
to access "non-Octave" graphics and other terminals.  If you want a good 
idea of things you are not aware of, I suggest downloading the latest 
CVS version of gnuplot, compiling, then running 'all.dem' in the 'demo' 
subdirectory.

Dan Sebald



>I am mostly looking for people who are interested in helping me that are
>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 minor
>C++ knowledge, and a good gnuplot background would work.
>
>The following C++ code generates the graphic at
>http://www.geiseri.com/kdevelop/gnuplot.png
>
>	KGNUPlotWidget *wid = new KGNUPlotWidget();
>	LineStyle line(2);
>	line.setLineType( 4 );
>	line.setLineWidth( 1 );
>	line.setPointType( 6 );
>	line.setPointSize( 3 );
>
>	LineStyle border( 3 );
>	border.setLineType( 9 );
>	border.setLineWidth( 2 );
>
>	FillStyle fill;
>	fill.setType( FillStyle::pattern );
>	fill.setFillPattern( 2 );
>	fill.setBorderStyle( &border );
>
>	FunctionPlot *plot = new FunctionPlot( "sin(x)" );
>	plot->setTitle( "Test Plot of sin(x)" );
>	plot->setStartRange( -1 );
>	plot->setEndRange( 2 );
>	plot->setPlotStyle( PlotBase::linespoints );
>	plot->setLineStyle( &line );
>
>	wid->addLineStyle( &border );
>	wid->addLineStyle( &line );
>	wid->addFillStyle( &fill );
>
>	wid->show();
>	wid->resize(400,300);
>	wid->setXLabel("Test X Label");
>	wid->setYLabel("Test Y Label");
>	wid->setFormats(KGNUPlotWidget::X, "%g");
>	wid->setFormats(KGNUPlotWidget::Y, "%.2f");
>	wid->plot(plot);
>
>Currently line styles, arrows, and arrow styles are supported.  Fill is
>sort of supported, and plot for data or functions will work with most
>simple cases.  I think the big issues that remain are the ones I am not
>aware of ;)
>
>Currently there is a small dependency on KDE, but I have plans to remove
>it, and the remainder works on Win32 or Unix.
>
>So who wants to play?  I'm not on the list so please CC me.
>
>-ian reinhart geiser
>  
>

-- 

Dan Sebald
email: daniel DOT sebald AT ieee DOT org
URL: http://acer-access DOT com/~dsebald AT acer-access DOT com/