Re: issues with GraphPlot

*To*: mathgroup at smc.vnet.net*Subject*: [mg99118] Re: issues with GraphPlot*From*: dh <dh at metrohm.com>*Date*: Mon, 27 Apr 2009 05:25:23 -0400 (EDT)*References*: <gsuisc$drq$1@smc.vnet.net>

Hi Sean, to get an narrower picture you ,may use "ImageSize". But as this simply makes the picture smaller, you need to adapt the circle size and arrows. E.g.: GraphPlot[{{"B" -> "A", "+"}, {"A" -> "B", "+"}}, DirectedEdges -> True, VertexLabeling -> True, VertexRenderingFunction -> ({White, EdgeForm[Black], Disk[#, .1], Black, Text[#2, #1]} &), EdgeLabeling -> True, EdgeRenderingFunction -> ({Arrowheads[Medium], Arrow[#1, 0.12]} &), PlotStyle -> Thickness[0.005], ImageSize -> 200 ] Daniel sean_incali at yahoo.com wrote: > Hello group, > > A few things that I just can't figure out. > > 1. EdgeRenderingFunction ignores edge labels. > > GraphPlot[{{"B" -> "A" , "+"}, {"A" -> "B", "+"}}, > DirectedEdges -> True, VertexLabeling -> True, > VertexRenderingFunction -> ({White, EdgeForm[Black], Disk[#, .05], > Black, Text[#2, #1]} &), EdgeLabeling -> True, > EdgeRenderingFunction -> ({ Arrowheads[Medium], > Arrow[#1 , 0.07]} &), PlotStyle -> Thickness[0.005]] > > 2. As it is, above code produces a graph that is stretched > horizontally a bit too much. About the half the horizontal width works > better for me. How do I accomplish that? AspectRatio-> 1/GoldenRatio > doesn't work since disk gets stretch also. > > 3. For node A to appear on the left, "B"-> "A" has to be defined > first. If I reverse it, then the node B will appear on the left. What > is the reason for this? > > Thanks in advance for any info. > > Sean > > > > >