Eben King wrote:
> On Mon, 22 Feb 2010, Dylan William Hardison wrote:
>
>> On Monday, February 22, 2010 at 06:00PM -0500, Eben King wrote:
>>> What's an application in which I can draw a graph? I don't mean graphs
>>> as in "charts and graphs", I mean a set of nodes connected by edges,
>>> possibly with weights or direction attached to those edges. Think the
>>> railway network, or an airline's flights.
>>
>> I think you may want http://www.graphviz.org.
>>
>> Way back when, I used graphviz to visualize the PSTA routes.
>
> Great, thanks. Sounds like what I need. BTW, I have this version:
>
> eben@pc:~$ dot -V
> dot - Graphviz version 2.16 (Fri Feb 8 12:54:58 UTC 2008)
>
> How is it used? I can't figure out squat. Running "dot" just hangs,
> and the web page apparently only says what it's used for, not how to
> use it.
>
Here is a simple "dot" text file (save it as test.dot):
digraph G
{
A->B
A->C
A->D
B->X
C->X
D->X
}
Then run:
dot test.dot -T png -o dot_test.png
and you should have a PNG file with five nodes (A,B,C,D,X) that shows
the relationships described in the file test.dot
--ronan
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