On Wed, Feb 24, 2016 at 11:03 AM, Martin Bähr < mba...@email.archlab.tuwien.ac.at> wrote:
> Excerpts from Peter Uhnák's message of 2016-02-24 10:35:05 +0100: > > In any case, I wrote a simpler layout delegator in Roassal that delegates > > the layouting to graphviz and it works reasonably well, so I could > probably > > add it to Roassal (you however need graphviz installed and it would add > > another dependency to Roassal, which I'm not so keen on). > > how does that work? does it ask graphviz for the position of the nodes and > then > recreate that in roassal? > Yes, I generate .dot file that describes the nodes I want the layout for (that includes the dimensions of it), and then the .dot file is passed to GraphViz… from there I parse the generated SVG file (they can also output other formats like txt, or xml) and move the Roassal nodes. > > > Maybe also OGDF (http://ogdf.net/doku.php) could be used if you are ok > with > > GPL… they have their own graph format so there could be some interaction. > > this would work the same as with graphviz as an additional dependency on > ogdf, right? > GraphViz is good enough for generic graphs, but OGDF is well-founded and much more powerful layouting library. However C++ coding is required if one wants to use it. Peter
