From: Robert Feldt <feldt@...>
Date: 2001-11-01T17:32:41+09:00
Subject: [ruby-talk:24059] Re: Creating charts from Ruby

On Thu, 1 Nov 2001, Tobias Reif wrote:

> > A bit ironic since I'm the author of a Ruby Dot binding. Check out graphr
> > in Raa. And no C knowledge needed, I simply generate a text file that dot
> > can understand.
> 
> 
> O.K. great. (sorry, I forgot.)
> 
No worries.

> Can your tool be used to generate SVg charts like
> 
> http://webdot.graphviz.org/cgi-bin/webdot/webdot/graphs/directed/unix.dot.dot.svg
> 
> http://webdot.graphviz.org/cgi-bin/webdot/webdot/graphs/directed/shells.dot.dot.svg 
>  
> http://webdot.graphviz.org/cgi-bin/webdot/webdot/graphs/directed/triedds.dot.dot.svg
> 
> , directly from Ruby, in a simple way?
> 
> 
> I'd like to be able to (serversidedly) write something like
> ---
> require 'RubyDot'
> 
> rdot = RubyDot.new
> 
> out = rdot.graph {'dad' => 'girl', 'dad' => 'boy', 'grandma' => 'dad'}, 'svg'
> 
> print out
> ---
> I mean, it's kinda tedious to generate the dot file, then syscall Dot to 
> generate the graphic.
> 
Well its behind the scenes but yes it uses a system call so if your system
can't handle that its not the right solution. You'd have to do a
"real" binding for that.

For my uses the current solution works.

/Robert