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gml2gv.1

gml2gv.1 2.0 KB
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  1. .TH GML2GV,GV2GML 1 "24 June 2011"
    2. 

  2. .SH NAME
    3. 

  3. gml2gv,gv2gml \- GML-DOT converters
    4. 

  4. .SH SYNOPSIS
    5. 

  5. .B gml2gv
    6. 

  6. [
    7. 

  7. .B \-?v
    8. 

  8. ]
    9. 

  9. [
    10. 

  10. .BI \-g gname
    11. 

  11. ]
    12. 

  12. [
    13. 

  13. .BI \-o outfile
    14. 

  14. ]
    15. 

  15. [ 
    16. 

  16. .I files
    17. 

  17. ]
    18. 

  18. .br
    19. 

  19. .B gv2gml
    20. 

  20. [
    21. 

  21. .B \-y
    22. 

  22. ]
    23. 

  23. [
    24. 

  24. .B \-?
    25. 

  25. ]
    26. 

  26. [
    27. 

  27. .BI \-o outfile
    28. 

  28. ]
    29. 

  29. [ 
    30. 

  30. .I files
    31. 

  31. ]
    32. 

  32. 

  33. .SH DESCRIPTION
    34. 

  34. .B gml2gv
    35. 

  35. converts a graph specified in the GML format to a graph in the GV (formerly DOT) format. 
    36. 

  36. .B gv2gml
    37. 

  37. converts a graph specified in the GV format to a graph in the GML format.
    38. 

  38. .SH OPTIONS
    39. 

  39. The following options are supported:
    40. 

  40. .TP
    41. 

  41. .B \-v
    42. 

  42. Turns on verbose mode
    43. 

  43. .TP
    44. 

  44. .B \-y
    45. 

  45. Uses attributes according to yWorks.com documentation instead of the GML
    46. 

  46. specification.
    47. 

  47. .TP
    48. 

  48. .B \-?
    49. 

  49. Prints usage information and exits.
    50. 

  50. .TP
    51. 

  51. .BI \-g "gname"
    52. 

  52. The string \fIgname\fP is used as the name of the generated graph.
    53. 

  53. If multiple graphs are generated, subsequent graphs use the name
    54. 

  54. \fIgname\fP appended with an integer.
    55. 

  55. .TP
    56. 

  56. .BI \-o "outfile"
    57. 

  57. Prints output to the file \fIoutfile\fP. If not given, \fBgml2gv\fP
    58. 

  58. uses stdout.
    59. 

  59. .TP
    60. 

  60. .SH OPERANDS
    61. 

  61. The following operand is supported:
    62. 

  62. .TP 8
    63. 

  63. .I files
    64. 

  64. Names of files containing 1 or more graphs in GML.
    65. 

  65. If no
    66. 

  66. .I files
    67. 

  67. operand is specified,
    68. 

  68. the standard input will be used.
    69. 

  69. .SH RETURN CODES
    70. 

  70. Return \fB0\fP
    71. 

  71. if there were no problems during conversion;
    72. 

  72. and non-zero if any error occurred.
    73. 

  73. .SH "LIMITATIONS"
    74. 

  74. As both the graph and graphics models of GV and GML differ significantly, the
    75. 

  75. conversion is at best approximate. In particular, it is not clear how multiedges
    76. 

  76. are differentiated in GML, so multiedges are created in GV with no user-available
    77. 

  77. key. Also, no attribute information is lost, in that
    78. 

  78. any GML attributes that aren't converted to GV equivalents are retained as
    79. 

  79. attributes in the output graph.
    80. 

  80. .P
    81. 

  81. At present, 
    82. 

  82. .B gv2gml
    83. 

  83. does not support subgraphs and clusters. In addition, there does not appear to be
    84. 

  84. a standard mechanism for specifying default node and edge attributes in GML, so
    85. 

  85. any attributes are repeated for every node and edge.
    86. 

  86. .SH AUTHORS
    87. 

  87. Emden R. Gansner <[email protected]>
    88. 

  88. .SH "SEE ALSO"
    89. 

  89. dot(1), libcgraph(3)
    90.