1. rcrnstn/xdot.py
  2. tests
  3. graphs
  4. arrowsize.gv
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tests: Import Graphviz tests.

Jose Fonseca authored on 13/02/2016 23:53:31
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tests/graphs/arrowsize.gv
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+digraph G {
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+  // leave some space for the head/taillabels
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+  graph [ranksep=1.5 splines=true overlap=false]
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+
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+  // to avoid confusion, remember this:
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+  // it's spelt tail/head, but it's read start/end
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+
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+  // emphasize theatrically
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+  edge [arrowsize=2]
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+  // put head/tail labels farther from the node
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+  edge [labeldistance=3]
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+
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+  // not interested in node labels
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+  node [shape=circle width=0.5 label=""]
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+
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+  {
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+    edge [dir=back samehead=ahead samearrowhead=1]
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+    a->Z [arrowtail=none taillabel=none]
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+    b->Z [arrowtail=normal taillabel=normal]
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+    c->Z [arrowtail=inv taillabel=inv]
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+    d->Z [arrowtail=dot taillabel=dot]
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+    e->Z [arrowtail=odot taillabel=odot]
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+    f->Z [arrowtail=invdot taillabel=invdot]
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+    g->Z [arrowtail=invodot taillabel=invodot]
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+    h->Z [arrowtail=open taillabel=open]
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+    i->Z [arrowtail=halfopen taillabel=halfopen arrowhead=inv headlabel=samehead]
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+    j->Z [arrowtail=empty taillabel=empty]
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+    k->Z [arrowtail=invempty taillabel=invempty]
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+    l->Z [arrowtail=diamond taillabel=diamond]
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+    m->Z [arrowtail=odiamond taillabel=odiamond]
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+    n->Z [arrowtail=box taillabel=box]
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+    o->Z [arrowtail=obox taillabel=obox]
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+    p->Z [arrowtail=tee taillabel=tee]
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+    q->Z [arrowtail=crow taillabel=crow]
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+  }
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+  {
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+    edge [dir=forward arrowsize=4 sametail=atail samearrowtail=1]
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+    Z->A [arrowhead=none headlabel=none]
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+    Z->B [arrowhead=normal headlabel=normal]
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+    Z->C [arrowhead=inv headlabel=inv]
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+    Z->D [arrowhead=dot headlabel=dot]
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+    Z->E [arrowhead=odot headlabel=odot]
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+    Z->F [arrowhead=invdot headlabel=invdot]
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+    Z->G [arrowhead=invodot headlabel=invodot]
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+    Z->H [arrowhead=open headlabel=open]
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+    Z->I [arrowhead=halfopen headlabel=halfopen arrowtail=inv taillabel=sametail]
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+    Z->J [arrowhead=empty headlabel=empty]
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+    Z->K [arrowhead=invempty headlabel=invempty]
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+    Z->L [arrowhead=diamond headlabel=diamond]
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+    Z->M [arrowhead=odiamond headlabel=odiamond]
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+    Z->N [arrowhead=box headlabel=box]
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+    Z->O [arrowhead=obox headlabel=obox]
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+    Z->P [arrowhead=tee headlabel=tee]
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+    Z->Q [arrowhead=crow headlabel=crow]
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+  }
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+}