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1 .TH GXL2GV,GV2GXL 1 "20 December 2002"
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2 .SH NAME
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3 gxl2gv,gv2gxl \- GXL-GV converters
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4 .SH SYNOPSIS
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5 .B gxl2gv
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6 [
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7 .B \-gd?
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8 ]
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9 [
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10 .BI -o outfile
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11 ]
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12 [
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13 .I files
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14 ]
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15 .br
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16 .B gv2gxl
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17 [
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18 .B \-gd?
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19 ]
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20 [
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21 .BI -o outfile
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22 ]
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23 [
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24 .I files
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25 ]
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26 .SH DESCRIPTION
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27 .B gxl2gv
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28 converts between graphs represented in GXL and in the
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29 GV language. Unless a conversion type is specified using
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30 a flag,
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31 .B gxl2gv
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32 will deduce the type of conversion from the suffix of
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33 the input file, a ".gv" (or a ".dot") suffix causing a conversion from GV
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34 to GXL, and a ".gxl" suffix causing a conversion from GXL to GV.
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35 If no suffix is available, e.g. when the input is from a pipe,
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36 and no flags are used then
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37 .B gxl2gv
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38 assumes the type of the input file from its executable name
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39 so that
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40 .B gxl2gv
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41 converts from GXL to GV, and
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42 .B gv2gxl
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43 converts from GV to GXL.
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44 .PP
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45 GXL supports a much richer graph model than GV. \fBgxl2gv\fP
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46 will attempt to map GXL constructs into the analogous GV construct
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47 when this is possible. If not, the GXL information is stored as
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48 an attribute. The intention is that applying \fBgxl2gv|gv2gxl\fP
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49 is semantically equivalent to the identity operator.
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50 .SH OPTIONS
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51 The following options are supported:
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52 .TP
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53 .B \-g
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54 The command name and input file extensions are ignored, the
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55 input is taken as a GV file and a GXL file is generated.
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56 .TP
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57 .B \-d
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58 The command name and input file extensions are ignored, the
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59 input is taken as a GXL file and a GV file is generated.
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60 .TP
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61 .B \-?
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62 Prints usage information and exits.
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63 .TP
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64 .BI \-o " outfile"
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65 If specified, the output will be written into the file
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66 \fIoutfile\fP. Otherwise, output is written to standard out.
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67 .SH OPERANDS
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68 The following operand is supported:
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69 .TP 8
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70 .I files
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71 Names of files containing 1 or more graphs in GXL or GV.
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72 If no
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73 .I files
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74 operand is specified,
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75 the standard input will be used.
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76 .SH RETURN CODES
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77 Both \fBgxl2gv\fP and \fBgv2gxl\fP return \fB0\fP
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78 if there were no problems during conversion;
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79 and non-zero if any error occurred.
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80 .SH "BUGS"
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81 \fBgxl2gv\fP will only convert in one direction even if given multiple files
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82 with varying suffixes.
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83 .PP
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84 The conversion can only handle one graph per GXL file.
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85 .PP
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86 There are some GXL constructs which \fBgxl2gv\fP cannot handle.
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87 .SH AUTHORS
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88 Krishnam Pericherla <kp@research.att.com>
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89 .br
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90 Emden R. Gansner <erg@research.att.com>
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91 .SH "SEE ALSO"
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92 dot(1), libgraph(3), libagraph(3), neato(1), twopi(1)
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