Port for drawing directed graphs?

[Peter Boosten]

On 15 sep 2008, at 18:06, John Almberg <jalmberg at identry.com> wrote:

> On Sep 15, 2008, at 11:01 AM, Ivan Rambius Ivanov wrote:
>
>> Hello,
>>
>> On Mon, Sep 15, 2008 at 10:31 AM, John Almberg  
>> <jalmberg at identry.com> wrote:
>>> I am working on some software that must, as it's final output,  
>>> produce a
>>> printout of a directed graph... nodes, connected by directed links.
>>>
>>> The printout could be generated by a postscript file, jpg, whatever.
>>>
>>> Does anyone know of a utility (in ports?) that can take a data set  
>>> (for
>>> example, a two dimensional array that defines the nodes and the  
>>> links
>>> between them), and produce a printable graph?
>> I am using graphics/graphviz, http://www.graphviz.org/, for graphs
>> drawing. It uses an input .dot file containing the graph description
>> and produces a image (.jpg or .ps) with the visual representation of
>> the graph. I used to generate those .dot files from the data in my
>> programs and process them with graphviz. I am not sure that may be it
>> even exports API to be directly called.
>>
>
> Oooo, nice... graphviz looks very promising!
>
> Thanks: John
>
>

Gnuplot?

Peter