On 12/03/05 14:30, "David T. Lewis" <lewis at mail.msen.com> wrote:

> This change set allows a GraphViz to produce various dot outputs
> (Morphs, PNG, and whatever text outputs can be produced by the dot
> program). No external files are used, so it appears to run directly
> in Squeak (although /usr/bin/dot gets run quietly in the background
> as needed).
> 
> In addition to the GraphViz package, this Requires OSProcess and
> CommandShell on Unix or Linux. It probably also will work with OS/X
> (I'd appreciate if someone can confirm this). The GraphViz software
> must of course also be installed (it was right there on my SuSE disks
> all along, how about that :)
> 
> If you are interested in Morphic layout graphs with Connectors, see
> GraphViz class>>makeLayoutCoordinatesUsingOSProcessOnUnix for an
> example that produces coordinates in plain text.
> 
> Here is the example output for GraphViz>>asLayoutCoordinates. It looks
> like it would be straightforward to use for laying out a display of Morphs
> and Connectors.
> 
> 'graph 1.000 5.000 3.722
> node Smalltalk  2.500 3.361 0.864 0.500 Smalltalk solid ellipse black
> lightgrey
> node Squeak  0.375 2.361 0.750 0.500 Squeak solid ellipse black lightgrey
> node "C++"  4.625 2.361 0.750 0.500 "C++" solid ellipse black lightgrey
> node Java  4.625 1.361 0.750 0.500 Java solid ellipse black lightgrey
> node "C#"  4.625 0.361 0.750 0.500 "C#" solid ellipse black lightgrey
> edge Smalltalk Squeak 4 2.167 3.208 1.806 3.028 1.222 2.764 0.806 2.556 solid
> black
> edge Smalltalk "C++" 4 2.833 3.208 3.194 3.028 3.792 2.750 4.208 2.556 solid
> black
> edge "C++" Java 4 4.625 2.111 4.625 2.000 4.625 1.875 4.625 1.750 solid black
> edge Java "C#" 4 4.625 1.111 4.625 1.000 4.625 0.875 4.625 0.750 solid black
> stop
> '
> 
> Dave
> 
> 
> 
> 
> 
David:
Very thanks .
I study later , maybe it's the answer to previous mail

Edgar