GraphViz Example: oldarrows.dot

digraph G {

// leave some space for the head/taillabels

graph [ranksep=1.5 splines=true overlap=false]

 

// to avoid confusion, remember this:

// it's spelt tail/head, but it's read start/end

 

// emphasize theatrically

// show only explicitly given head/tails

// put head/tail labels farther from the node

// edge [arrowsize=2 dir=none labeldistance=3]

edge [dir=none labeldistance=3]

 

// not interested in node labels

node [shape=circle width=0.5 label=""]

 

{

edge [samehead=ahead samearrowhead=1]

a->Z [arrowtail=none taillabel=none]

b->Z [arrowtail=normal taillabel=normal]

c->Z [arrowtail=inv taillabel=inv]

d->Z [arrowtail=dot taillabel=dot]

e->Z [arrowtail=odot taillabel=odot]

f->Z [arrowtail=invdot taillabel=invdot]

g->Z [arrowtail=invodot taillabel=invodot]

h->Z [arrowtail=open taillabel=open]

i->Z [arrowtail=halfopen taillabel=halfopen arrowhead=inv headlabel=samehead]

j->Z [arrowtail=empty taillabel=empty]

k->Z [arrowtail=invempty taillabel=invempty]

l->Z [arrowtail=diamond taillabel=diamond]

m->Z [arrowtail=odiamond taillabel=odiamond]

n->Z [arrowtail=box taillabel=box]

o->Z [arrowtail=obox taillabel=obox]

p->Z [arrowtail=tee taillabel=tee]

q->Z [arrowtail=crow taillabel=crow]

}

{

edge [sametail=atail samearrowtail=1]

Z->A [arrowhead=none headlabel=none]

Z->B [arrowhead=normal headlabel=normal]

Z->C [arrowhead=inv headlabel=inv]

Z->D [arrowhead=dot headlabel=dot]

Z->E [arrowhead=odot headlabel=odot]

Z->F [arrowhead=invdot headlabel=invdot]

Z->G [arrowhead=invodot headlabel=invodot]

Z->H [arrowhead=open headlabel=open]

Z->I [arrowhead=halfopen headlabel=halfopen arrowtail=inv taillabel=sametail]

Z->J [arrowhead=empty headlabel=empty]

Z->K [arrowhead=invempty headlabel=invempty]

Z->L [arrowhead=diamond headlabel=diamond]

Z->M [arrowhead=odiamond headlabel=odiamond]

Z->N [arrowhead=box headlabel=box]

Z->O [arrowhead=obox headlabel=obox]

Z->P [arrowhead=tee headlabel=tee]

Z->Q [arrowhead=crow headlabel=crow]

}

}

 

Done