Thank you!
With these options I get decent looking graphs.
On Nov 21, 2:19 am, William Stein <wst...@gmail.com> wrote:
> ---------- Forwarded message ----------
> From: Kazuo Thow <kazuo.t...@gmail.com>
> Date: Fri, Nov 20, 2009 at 2:17 PM
> Subject: Re: [sage-support] Problems with Graphs
> To: William Stein <wst...@gmail.com>
> Cc: Kevin Clark <kevinclark...@gmail.com>
>
> Michel,
>
> There's an option in the plot() function, edge_labels, which is set to
> False by default. If you use
>
> > G=DiGraph({0:{2:'3*x^2'}, 1:{0:'3/x'}, 2:{1:'6*x^2'}})
> > G.plot(edge_labels=True)
>
> then your graph should display properly with all its edge labels. You
> can also change the colors of the edges to make the labels stand out
> better against their background:
>
> > G.plot(edge_labels=True, edge_colors='#dddddd')
>
> And of course, '#dddddd' can be replaced by any hexadecimal code you
> want. You can see more options like these by typing G.plot?.
>
> As for the vertex labels being cut off, setting graph_border=True will
> give enough padding around the border of the image. Kevin Clark
> recently implemented a better fix for this issue, but I don't know if
> it's included in most recent release. (It's definitely not included
> in the online version at sagenb.org.)
>
> Hope that helps,
>
> Kazuo
>
> On Fri, Nov 20, 2009 at 12:51 PM, William Stein <wst...@gmail.com> wrote:
>
> > One of you guys could answer this poor user's support request...
>
> > ---------- Forwarded message ----------
> > From: Michel <vdbe...@gmail.com>
> > Date: Fri, Nov 20, 2009 at 12:48 PM
> > Subject: [sage-support] Problems with Graphs
> > To: sage-support <sage-support@googlegroups.com>
>
> > I am trying to use the Graph functionality in sage but it does not
> > quite work.
>
> > I do
>
> > G=DiGraph({0: {2: '3*x^2'}, 1: {0: '3/x'}, 2: {1: '6*x^2'}})
> > G.show()
>
> > A pgn viewer pops up showing the graph indeed. However:
>
> > (a) The vertex labels are cropped.
> > (b) No edge labels are shown.
>
> > Am I doing something wrong?
>
> > This Sage 4.2.1. Freshly compiled from source on Ubuntu 9.04.
>
> > --
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>
> > --
> > William Stein
> > Associate Professor of Mathematics
> > University of Washington
> >http://wstein.org
>
> --
> William Stein
> Associate Professor of Mathematics
> University of Washingtonhttp://wstein.org
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