Re: Generating a Dia File

[David Ferry <dsf423 truman edu>]

DAG - Directed Acyclic Graph

http://en.wikipedia.org/wiki/Directed_acyclic_graph

David

On Thu, Aug 12, 2010 at 6:12 PM, Michael Ross <michael e ross gmail com> wrote:

What is a DAG?

On Thu, Aug 12, 2010 at 5:35 PM, David Ferry <dsf423 truman edu> wrote:

Hi Steffen,

The programs to which you referred look like they might be just what I need. It's amazing that none of them came up in Google searches for DAG drawing software. Thanks for your advice!

David

On Thu, Aug 12, 2010 at 4:06 PM, Steffen Macke <sdteffen gmail com> wrote:

Hi David,

On 08/11/2010 10:26 PM, David Ferry wrote:
> on a single node. Are there limitatis on how many objects can be present
> in a single diagram?
>
Nothing in computing is unlimited. But you should be able to handle
thousands of objects.
I don't expect that you'll hit a hard limit, but things will get slow
and you'll have problems obtaining a meaningful diagram layout.

> Are there any sections of the source that might aid me in doing this? Would
> it be difficult to re purpose the code for saving a diagram to accept a
> different source of input?
>

Which programming language do you use? Besides the Dia C sources,
there's a couple of other programs available that are capable of
producing Dia files:

http://live.gnome.org/Dia/Links

Maybe one of them matches your needs.
As you seem to be dealing with a fairly huge number of objects: Have you
thought about a program like GraphViz that specializes on the automatic
layout. Graphviz is able to output Dia files.

Regards,

Steffen

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