lib/dot/examples/undirected_clusters.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 # Example from http://www.graphviz.org/Gallery/undirected/fdpclust.html
  16
  17 import dot
  18
  19 var graph = new DotGraph("G", "graph")
  20
  21 var a = new DotNode("a")
  22 var b = new DotNode("b")
  23 var c = new DotNode("c")
  24 var d = new DotNode("d")
  25 var e = new DotNode("e")
  26 var f = new DotNode("f")
  27 var g = new DotNode("g")
  28
  29 var clA = new DotGraph("clusterA", "subgraph")
  30 clA.add_edge(a, b).directed = false
  31 graph.add clA
  32
  33 var clB = new DotGraph("clusterB", "subgraph")
  34 clB.add_edge(c, d).directed = false
  35 clA.add clB
  36
  37 var clC = new DotGraph("clusterC", "subgraph")
  38 clC.add_edge(e, g).directed = false
  39 graph.add clC
  40
  41 graph.add_edge(e, d).directed = false
  42 graph.add_edge(f, g).directed = false
  43
  44 if args.is_empty then
  45         print graph.to_dot
  46 else
  47         graph.to_dot.write_to_file args.first
  48 end