Question

Rgraphviz and margins

1

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Robert Stojnic ▴ 80

@robert-stojnic-4721

Last seen 10.2 years ago

Hello, I am using Rgraphviz, first by calling layoutGraph() then renderGraph() on graphNEL. However, I cannot get the graph to be rendered with certain margins. I've tried the oldfashioned par(mar=...), tried passing the margin parameters to both layoutGraph and renderGraph, but nothing worked. The plot always take all the available area. Setting outer margins does work (with par), but breaks in the context of multiple plots per page. Anyone know how to set margins in Rgraphviz? Cheers, Robert

graph Rgraphviz graph Rgraphviz • 1.6k views

ADD COMMENT • link updated 8.9 years ago by sebastian.wolf • 0 • written 13.4 years ago by Robert Stojnic ▴ 80

score 0 · Answer 1 · 2016-01-18

I found it in the Code.

These lines say you have to set "sub" and "main", this gets you top and left margins

> sub <- getRenderPar(x, "sub", "graph")
> main <- getRenderPar(x, "main", "graph")

Set them relatively by:

> mylist$main<-5 # maintitle
> mylist$sub<-5 # subtitle
> mylist$margin <- c(5,5,5,5)
> graphRenderInfo(x)<-mylist

or add to renderGraph.R

>  margin <-  getRenderPar(x, "margin", "graph")
>  old.pars <- par(mai=margin)