I don't think there is a built-in "star" shape. AFAIR there is one in the examples, so just take the code from there.
G. On Sun, Feb 1, 2015 at 2:28 PM, Uri Shwed <[email protected]> wrote: > Dear all, > I had a good R session when my (apple) computer crashed. Returning to what > I was doing, igraph generated this very odd error: > > Error in igraph.check.shapes(params("vertex", "shape")) : > Bad vertex shape(s): star. > > Since "star" is a good vertex shape, and the very same code worked and > produced plots with stars before the crash, I figured the problem is with > something in the environment that was there before and isn’t there now > (after the crash). What could that be?And why doesn’t igraph works anymore > as it used to? > I paste some code below, but I don’t think its relevant as the problem is > with “star”, right? > > Thanks, > Uri > > > pmEbw<-function(y,labe=TRUE,op=1,title="",aw=0.5,xl=c(100,492),yl=c(61,260)) > { > > shape<-c("circle","circle","circle","square","square","square","star","star","star","vrectangle","vrectangle","sphere","sphere") > > color<-c("black","white","darkgrey","black","white","lightgrey","black","white","lightgrey","black","white","black","lightgrey","black","white") > if (labe) {lab<-V(y$sg)$SDS} else {lab<-""} > Colo<-as.numeric(V(y$sg)$D) > shaper<-shape[Colo] > if (op==1) {ec="grey32"} else {ec=add.alpha("darkgrey",op)} > > plot.igraph(y$sg,layout=y$lo,rescale=FALSE,xlim=c(-1,1),ylim=c(-1,1),edge.color=ec,edge.arrow.width=aw,vertex.shape=shape[Colo],vertex.frame.color=fcolor[Colo],vertex.color=color[Colo],vertex.size=8,vertex.size2=12,vertex.label.cex=0.5,main=title,vertex.label=lab) > } > > > pmEbw(mind[[1]],title="1965-2000",labe=FALSE) > Show Traceback > > Rerun with Debug > Error in igraph.check.shapes(params("vertex", "shape")) : > Bad vertex shape(s): star. > > > ********************************************* > Uri Shwed, PhD. > Department of Sociology and Anthropology > Ben Gurion University of the Negev > Beer Sheva 84105 Israel > [email protected] > ********************************************** > > > > > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > >
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