fdp

Layout changes 2.28 vs 2.30

Hi,

I've been laying out some large networks with fdp. The visualizations were great with 2.28, but they look much different in 2.30 (most likely because I optimized the fdp parameters in 2.28). Were there any substantial changes to the layout algorithms between these versions that could account for the changes? All I could find in the release notes was the addition of curved edge routing. Is there a way to turn this feature off and revert to the 2.28 settings?

Thanks,
Paul

Weight not working with sfdp ?

Hi,
 
I am interested in the weight attribute for edges and I am drawing large graphes (may be 50k nodes, 1M edges), so I wish to use sfdp. I have read here (http://graphviz.org/content/attrs#dweight) that weight can be used with sfdp. And this example (http://www.graphviz.org/Gallery/undirected/gd_1994_2007.html) seems to use weight.

DOT file with 1000+ nodes renders blank file

Having trouble with a graph that contains 1000+ nodes. For some reason, no matter what format it is rendered to, it comes out completely blank. Trying to have the graph rendered with the following:

in file:
strict digraph G {
layout=dot;
overlap=false;
splines=true;
pack=true;
start="random";
sep=0.1;
edge[len=1];
node[shape=oval];

in cmd:
dot -Goverlap_scaling=-10 -Goverlap=prism -Tpdf sample.dot > sample.pdf

Any help would be appreciated, thanks

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