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Hello everybody.<br>
I've tried to draw colored vertex using xygraph as folowing<br>
<br>
\[ \fbox{ \xygraph{<br>
!{<0cm,0cm>;<1cm,0cm>:<0cm,1cm>::}<br>
!{(0,0);a(0)**{}?(1.0)}*+[redl]{\bullet}="a1"<br>
!{(0,0);a(0)**{}?(1.0)}*+{\circ}="a1"<br>
!{(0,0);a(72)**{}?(1.0)}*+{\bullet}="a2"<br>
!{(0,0);a(144)**{}?(1.0)}*+{\bullet}="a3"<br>
!{(0,0);a(216)**{}?(1.0)}*+{\bullet}="a4"<br>
!{(0,0);a(288)**{}?(1.0)}*+{\bullet}="a5"<br>
!{(0,0);a(0)**{}?(1.8)}*+{\bullet}="b1"<br>
!{(0,0);a(72)**{}?(1.8)}*+{\bullet}="b2"<br>
!{(0,0);a(144)**{}?(1.8)}*+{\bullet}="b3"<br>
!{(0,0);a(216)**{}?(1.8)}*+{\bullet}="b4"<br>
!{(0,0);a(288)**{}?(1.8)}*+{\bullet}="b5"<br>
"a1"-"a3" "a3"-"a5" "a5"-"a2" "a2"-"a4" "a4"-"a1"<br>
"b1"-"b2" "b2"-"b3" "b3"-"b4" "b4"-"b5" "b5"-"b1"<br>
"a1"-"b1" "a2"-"b2" "a3"-"b3" "a4"-"b4" "a5"-"b5"<br>
} } \]<br>
<br>
But bullet's radius is larger than circ. It doesn't look nice. I'd like to draw as it is shown in the picture.<br>
<br>
Thank you. <br>
<br>
<br>
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