Re: [PyX-user] histogram y-axis

[Hamish A. <ha...@gm...>]

Ah, yes, I see. In which case, sorry, I don't know the answer.

Best wishes,
Hamish

On 7/21/07, Wojciech Jaskowski <wja...@cs...> wrote:
> Hi Hamish,
>
> I think that I didn't make myself clear. I meant the white space
> between the histogram bars and the graph axes - the most left bar
> touches the border. For comparison between what I find good and bad
> see:
> - bad: http://www.cs.put.poznan.pl/wjaskowski/tmp/histogram.pdf,
> - good: http://www.cs.put.poznan.pl/wjaskowski/tmp/histogram2.pdf
>
> Wojciech
>
> On 7/21/07, Hamish Allan <ha...@gm...> wrote:
> > Hi Wojciech,
> >
> > I think that's normal behaviour -- EPS is designed for embedding, after all.
> >
> > You could fetch the canvas size after you've plotted the histogram and
> > plot a rectangle somewhat larger than that for a border (completely
> > alpha-blended if you don't want a visible border).
> >
> > Best wishes,
> > Hamish
> >
> > On 7/21/07, Wojciech Jaskowski <wja...@cs...> wrote:
> > > Hi,
> > >
> > > First of all, I have to say I find PyX a brilliant library.
> > > I have problems with histogram style. The following simple code:
> > >
> > >   from pyx import *
> > >   d = graph.data.list([(1,  25),
> > >                        (2,  7),
> > >                        (3,  3),
> > >                        (4,  8),
> > >                        (5,  5)], x=1, y=2)
> > >   g = graph.graphxy(width=8)
> > >   g.plot(d, [graph.style.histogram()])
> > >   g.writeEPSfile("histogram")
> > >
> > > generates a histogram that has no white space at the top at all (see
> > > the output: http://www.cs.put.poznan.pl/wjaskowski/tmp/histogram.pdf).
> > > I find it not very nice. Is it a bug or am I missing something?
> > >
> > >
> > >
> > > --
> > > Wojciech Jaskowski
> > > Laboratory of Intelligent Decision Support Systems
> > > Institute of Computing Science
> > > Poznan University of Technology
> > > Piotrowo 2, 60-965 Poznan, Poland
> > > E-mail: wja...@cs...
> > > www.cs.put.poznan.pl/wjaskowski
> > >
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>
>
> --
> Wojciech Jaskowski
> Laboratory of Intelligent Decision Support Systems
> Institute of Computing Science
> Poznan University of Technology
> Piotrowo 2, 60-965 Poznan, Poland
> E-mail: wja...@cs...
> www.cs.put.poznan.pl/wjaskowski
>