1NAUTY-PLANARG(1)                 Nauty Manual                 NAUTY-PLANARG(1)
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NAME

6       nauty-planarg  -  test  graphs  for  planarity  and  find embeddings or
7       obstructions
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SYNOPSIS

10       planarg [-v] [-nVq] [-p|-u] [infile [outfile]]
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DESCRIPTION

13              For each input, write to output if planar.
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15              The output file has a header if and only if the input file does.
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17       -v     Write non-planar graphs instead of planar graphs
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19       -V     Write report on every input
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21       -u     Don't write anything, just count
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23       -p     Write in planar_code if  planar  (without  -p,  same  format  as
24              input)
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26       -k     Follow  each  non-planar  output  with an obstruction in sparse6
27              format (implies -v, incompatible with -p)
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29       -n     Suppress checking of the result
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31       -q     Suppress auxiliary information
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33              This program permits multiple edges and loops
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37nauty 2.6.12                     October 2019                 NAUTY-PLANARG(1)
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