graph - Graphviz how to control the edges -


screenshot. looking graph on right getting graph on left. new graphviz. had make nodes 1 , 2 because not able imitate image on right. shapes of terminals aren't same. me this. code till now:

digraph m {   style=filled;   graph [splines = headport];    start->1   1->"is count\nan even\nnumber?"   "is count\nan even\nnumber?"->"sum = sum +\ncount" [label=true]   "sum = sum +\ncount"->2   "is count\nan even\nnumber?"->2 [label=false]   2->"count = count+1"   "count = count+1"->"is count >\n20"   "is count >\n20"->1 [label=false]   "is count >\n20"->stop[label=true]     "is count\nan even\nnumber?"[shape=diamond]   "sum = sum +\ncount"[shape=rectangle]   "is count >\n20"[shape=diamond]   "count = count+1"[shape=rectangle]   1[shape=circle]   2[shape=circle]   start[shape=record, style="rounded"]   stop[shape=record, style="rounded"] }

i made few changes diagram closer. polylines splines , changed attributes of 1 , 2 nodes little closer goal. not perfect better enough , suggest other ways might improve further without major redesign.

digraph m {   style=filled;   graph [splines = headport splines=polyline];    start->1   1->"is count\nan even\nnumber?"   "is count\nan even\nnumber?"->"sum = sum +\ncount" [label=true]   "sum = sum +\ncount"->2   "is count\nan even\nnumber?"->2 [label=false]   2->"count = count+1"    "count = count+1"->"is count >\n20"   "is count >\n20"->1 [label=false tailport=e]   "is count >\n20"->stop[label=true ]     "is count\nan even\nnumber?"[shape=diamond]   "sum = sum +\ncount"[shape=rectangle]   "is count >\n20"[shape=diamond]   "count = count+1"[shape=rectangle headport=n]   1[shape=point size="0,0" label=""]   2[shape=point size="0,0" label=""]   start[shape=record, style="rounded"]   stop[shape=record, style="rounded"] }

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