Re: [igraph] Better layout output in igraph

[Håvard Wahl Kongsgård]

Hi, all edges are undirected and none are looped.
If I increase the vertex_size to 0.007 the issue is resolved. So maybe
a bug in cairo not igraph?

-Håvard

On Mon, Aug 29, 2011 at 8:01 PM, Tamás Nepusz <address@hidden> wrote:
> Hi,
>
> Are your edges directed or undirected? I'm trying hard to figure out where 
> those symbols are coming from and I have no idea yet -- one thing I was 
> thinking is that they are misaligned arrowheads or something like that. Also, 
> do your nodes have loop edges?
>
> --
> Tamas
>
>
> On 28 Aug 2011, at 13:33, Håvard Wahl Kongsgård wrote:
>
>> Hi again, I think I have found a bug in the plot function in the
>> latest trunk. Don't know if this only concerns the pdf output, or all
>> plots
>> but with
>> plot_layout = i.layout_grid_fruchterman_reingold(maxiter=1000)
>> igraph.plot(i, "/home/havard/output.pdf", bbox=(800, 800),
>> layout=plot_layout,vertex_size=0.001,
>> edge_width=0.004,vertex_label=None,edge_curved=True,vertex_shape="circle")
>>
>>
>> http://zoom.it/2dEx (pdf converted to jpg)
>>
>> Some node symbols are missing, and "circles" are instead strange symbols
>>
>> -Håvard
>>
>> 2011/8/26 Håvard Wahl Kongsgård <address@hidden>:
>>>> Try edge_curved=True instead of autocurve=True.
>>>
>>> Thanks, that worked.
>>>
>>> -Håvard
>>>
>>> On Fri, Aug 26, 2011 at 8:47 AM, Tamás Nepusz <address@hidden> wrote:
>>>>> Hi, that random sample looks great, but it would look better if more
>>>>> edges were "curved".
>>>> You can make all the edges curved by passing edge_curved=True to 
>>>> igraph.plot(...). autocurve curves only the multiple edges; single edges 
>>>> are kept straight if possible.
>>>>
>>>>> But have you implemented this for all layout?
>>>> It should not depend on the layout, so the answer is yes :)
>>>>
>>>>> I tried it with
>>>>>
>>>>> igraph.plot(i, "/home/havard/output.pdf", bbox=(600, 600),
>>>>> layout="grid_fruchterman_reingold",vertex_size=0.007,
>>>>> edge_width=0.005,vertex_label=None,autocurve=True)
>>>>>
>>>>> in that test none of the edges were curved
>>>> Try edge_curved=True instead of autocurve=True.
>>>>
>>>> --
>>>> T.
>>>>
>>>>
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>>>
>>
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