source: general/genutils/graphviz.xml@ e22693da

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Last change on this file since e22693da was e22693da, checked in by Fernando de Oliveira <fernando@…>, 10 years ago

Update to graphviz-2.36.0.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@12570 af4574ff-66df-0310-9fd7-8a98e5e911e0
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6
7 <!ENTITY graphviz-download-http "http://graphviz.org/pub/graphviz/stable/SOURCES/graphviz-&graphviz-version;.tar.gz">
8 <!ENTITY graphviz-download-ftp " ">
9 <!ENTITY graphviz-md5sum "1f41664dba0c93109ac8b71216bf2b57">
10 <!ENTITY graphviz-size "23 MB">
11 <!ENTITY graphviz-buildsize "175 MB">
12 <!ENTITY graphviz-time "1.0 SBU">
13]>
14
15<sect1 id="graphviz" xreflabel="Graphviz-&graphviz-version;">
16 <?dbhtml filename="graphviz.html"?>
17
18 <sect1info>
19 <othername>$LastChangedBy$</othername>
20 <date>$Date$</date>
21 </sect1info>
22
23 <title>Graphviz-&graphviz-version;</title>
24
25 <indexterm zone="graphviz">
26 <primary sortas="a-Graphviz">Graphviz</primary>
27 </indexterm>
28
29 <sect2 role="package">
30 <title>Introduction to Graphviz</title>
31
32 <para>
33 The <application>Graphviz</application> package contains graph
34 visualization software. Graph visualization is a way of representing
35 structural information as diagrams of abstract graphs and networks.
36 <application>Graphviz</application> has several main graph layout
37 programs. It also has web and interactive graphical interfaces, auxiliary
38 tools, libraries, and language bindings.
39 </para>
40
41 &lfs74_checked;
42
43 <bridgehead renderas="sect3">Package Information</bridgehead>
44 <itemizedlist spacing="compact">
45 <listitem>
46 <para>
47 Download (HTTP): <ulink url="&graphviz-download-http;"/>
48 </para>
49 </listitem>
50 <listitem>
51 <para>
52 Download (FTP): <ulink url="&graphviz-download-ftp;"/>
53 </para>
54 </listitem>
55 <listitem>
56 <para>
57 Download MD5 sum: &graphviz-md5sum;
58 </para>
59 </listitem>
60 <listitem>
61 <para>
62 Download size: &graphviz-size;
63 </para>
64 </listitem>
65 <listitem>
66 <para>
67 Estimated disk space required: &graphviz-buildsize;
68 </para>
69 </listitem>
70 <listitem>
71 <para>
72 Estimated build time: &graphviz-time;
73 </para>
74 </listitem>
75 </itemizedlist>
76
77 <bridgehead renderas="sect3">Graphviz Dependencies</bridgehead>
78
79 <bridgehead renderas="sect4">Recommended</bridgehead>
80 <para role="recommended">
81 <xref linkend="expat"/>,
82 <xref linkend="freetype2"/>,
83 <xref linkend="fontconfig"/>,
84 <xref linkend="freeglut"/>,
85 <xref linkend="gdk-pixbuf"/>,
86 <xref linkend="libjpeg"/>,
87 <xref linkend="libpng"/>,
88 <xref linkend="librsvg"/>,
89 <xref linkend="pango"/> and
90 <xref linkend="xorg7-lib"/>
91 </para>
92
93 <bridgehead renderas="sect4">Optional</bridgehead>
94 <para role="optional">
95 <ulink url="http://openil.sourceforge.net/projects.php">DevIL</ulink>,
96 <ulink url="http://www.perens.com/FreeSoftware/ElectricFence/">Electric Fence</ulink>,
97 <xref linkend="libglade"/>,
98 <ulink url="http://sourceforge.net/projects/lasi/">libLASi</ulink>,
99 <ulink url="http://www.libgd.org/">GD Library</ulink>,
100 <ulink url="http://www.freedesktop.org/wiki/Software/glitz">glitz</ulink>,
101 <xref linkend="gs"/>,
102 <xref linkend="gtk2"/> and
103 <xref linkend="qt4"/>
104 </para>
105
106 <bridgehead renderas="sect4">Optional (To Build Language Bindings)</bridgehead>
107 <para role="optional">
108 <xref linkend="swig"/> (<application>SWIG</application> must be
109 installed or no bindings will be built),
110 <xref linkend="guile"/>,
111 <xref linkend="openjdk"/>,
112 <ulink url="http://www.iolanguage.org/">Io</ulink>,
113 <xref linkend="lua"/>,
114 <ulink url="http://www.mono-project.com/Main_Page">Mono</ulink>,
115 <ulink url="http://ocaml.org/">OCaml</ulink>,
116 <xref linkend="php"/>,
117 <xref linkend="python2"/>,
118 <ulink url="http://www.r-project.org/">R</ulink>,
119 <xref linkend="ruby"/>,
120 <xref linkend="tcl"/> and
121 <xref linkend="tk"/>
122 </para>
123
124 <para condition="html" role="usernotes">User Notes:
125 <ulink url="&blfs-wiki;/graphviz"/>
126 </para>
127 </sect2>
128
129 <sect2 role="installation">
130 <title>Installation of Graphviz</title>
131
132 <para>
133 Install <application>Graphviz</application> by running the following
134 commands:
135 </para>
136
137<screen><userinput>./configure --prefix=/usr &amp;&amp;
138make</userinput></screen>
139
140 <para>
141 This package does not come with a test suite that provides meaningful results.
142 </para>
143
144 <para>
145 Now, as the <systemitem class="username">root</systemitem> user:
146 </para>
147
148<screen role="root"><userinput>make install</userinput></screen>
149
150 <para>
151 If desired, create a symbolic link in the system documents directory
152 to the documentation installed in
153 <filename class="directory">/usr/share/graphviz/doc</filename> using the
154 following command as the <systemitem class="username">root</systemitem>
155 user:
156 </para>
157
158<screen role="root"><userinput>ln -v -s /usr/share/graphviz/doc \
159 /usr/share/doc/graphviz-&graphviz-version;</userinput></screen>
160
161 </sect2>
162
163 <sect2 role="configuration">
164 <title>Configuring Graphviz</title>
165
166 <sect3 id="graphviz-config">
167 <title>Config Files</title>
168
169 <para>
170 <filename>/usr/lib/graphviz/config</filename>
171 </para>
172
173 <indexterm zone="graphviz graphviz-config">
174 <primary sortas="e-usr-share-graphviz-config">/usr/share/graphviz/config</primary>
175 </indexterm>
176
177 </sect3>
178
179 <sect3>
180 <title>Configuration Information</title>
181
182 <para>
183 There are no specific configuration requirements for
184 <application>Graphviz</application>. You may consider installing the
185 additional plugins and tools available from the download page at
186 <ulink url="http://www.graphviz.org/Download_source.php"/> for additional
187 capabilities. If additional plugins are installed, you can run
188 <command>dot -c</command> (as the
189 <systemitem class="username">root</systemitem> user) to update the
190 <filename>config</filename> file in
191 <filename class="directory">/usr/lib/graphviz</filename>.
192 </para>
193
194 </sect3>
195
196 </sect2>
197
198 <sect2 role="content">
199 <title>Contents</title>
200
201 <segmentedlist>
202 <segtitle>Installed Programs</segtitle>
203 <segtitle>Installed Libraries</segtitle>
204 <segtitle>Installed Directories</segtitle>
205
206 <seglistitem>
207 <seg>
208 acyclic, bcomps, ccomps, circo, cluster, diffimg, dijkstra,
209 dot, dot2gxl, dot_builtins, dotty, fdp, gc, gml2gv, graphml2gv,
210 gv2gml, gv2gxl, gvcolor, gvedit, gvgen, gvmap, gvmap.sh, gvpack, gvpr,
211 gxl2dot, gxl2gv, lefty, lneato, mm2gv, neato, nop, osage,
212 patchwork, prune, sccmap, sfdp, tred, twopi, unflatten, and vimdot
213 </seg>
214 <seg>
215 libcdt.so, libcgraph.so, libgvc.so, libgvpr.so, libpathplan.so,
216 libxdot.so, and several plugins in /usr/lib/graphviz
217 </seg>
218 <seg>
219 /usr/include/graphviz,
220 /usr/lib/graphviz, and
221 /usr/share/graphviz
222 </seg>
223 </seglistitem>
224 </segmentedlist>
225
226 <variablelist>
227 <bridgehead renderas="sect3">Short Descriptions</bridgehead>
228 <?dbfo list-presentation="list"?>
229 <?dbhtml list-presentation="table"?>
230
231 <varlistentry id="acyclic">
232 <term><command>acyclic</command></term>
233 <listitem>
234 <para>
235 is a filter that takes a directed graph as input and outputs a
236 copy of the graph with sufficient edges reversed to make the
237 graph acyclic.
238 </para>
239 <indexterm zone="graphviz acyclic">
240 <primary sortas="b-acyclic">acyclic</primary>
241 </indexterm>
242 </listitem>
243 </varlistentry>
244
245 <varlistentry id="bcomps">
246 <term><command>bcomps</command></term>
247 <listitem>
248 <para>
249 decomposes graphs into their biconnected components,
250 printing the components to standard output.
251 </para>
252 <indexterm zone="graphviz bcomps">
253 <primary sortas="b-bcomps">bcomps</primary>
254 </indexterm>
255 </listitem>
256 </varlistentry>
257
258 <varlistentry id="ccomps">
259 <term><command>ccomps</command></term>
260 <listitem>
261 <para>
262 decomposes graphs into their connected components,
263 printing the components to standard output.
264 </para>
265 <indexterm zone="graphviz ccomps">
266 <primary sortas="b-ccomps">ccomps</primary>
267 </indexterm>
268 </listitem>
269 </varlistentry>
270
271 <varlistentry id="circo">
272 <term><command>circo</command></term>
273 <listitem>
274 <para>
275 draws graphs using a circular layout.
276 </para>
277 <indexterm zone="graphviz circo">
278 <primary sortas="b-circo">circo</primary>
279 </indexterm>
280 </listitem>
281 </varlistentry>
282
283 <varlistentry id="cluster">
284 <term><command>cluster</command></term>
285 <listitem>
286 <para>
287 takes as input a graph in DOT format, finds node clusters
288 and augments the graph with this information.
289 </para>
290 <indexterm zone="graphviz cluster">
291 <primary sortas="b-cluster">cluster</primary>
292 </indexterm>
293 </listitem>
294 </varlistentry>
295
296 <varlistentry id="diffimg">
297 <term><command>diffimg</command></term>
298 <listitem>
299 <para>
300 generates an image where each pixel is the
301 difference between the corresponding pixel in
302 each of the two source images.
303 </para>
304 <indexterm zone="graphviz diffimg">
305 <primary sortas="b-diffimg">diffimg</primary>
306 </indexterm>
307 </listitem>
308 </varlistentry>
309
310 <varlistentry id="dijkstra">
311 <term><command>dijkstra</command></term>
312 <listitem>
313 <para>
314 reads a stream of graphs and for each computes the distance of
315 every node from sourcenode.
316 </para>
317 <indexterm zone="graphviz dijkstra">
318 <primary sortas="b-dijkstra">dijkstra</primary>
319 </indexterm>
320 </listitem>
321 </varlistentry>
322
323 <varlistentry id="dot">
324 <term><command>dot</command></term>
325 <listitem>
326 <para>
327 draws directed graphs. It works well on DAGs and other graphs
328 that can be drawn as hierarchies. It reads attributed graph files and
329 writes drawings. By default, the output format dot is the input file
330 with layout coordinates appended.
331 </para>
332 <indexterm zone="graphviz dot">
333 <primary sortas="b-dot">dot</primary>
334 </indexterm>
335 </listitem>
336 </varlistentry>
337
338 <varlistentry id="dot2gxl">
339 <term><command>dot2gxl</command></term>
340 <listitem>
341 <para>
342 converts between graphs represented in GXL and in the DOT
343 language. Unless a conversion type is specified using a flag,
344 <command>gxl2dot</command> will deduce the type of conversion from
345 the suffix of the input file, a
346 <filename class='extension'>.dot</filename> suffix causing a
347 conversion from DOT to GXL, and a
348 <filename class='extension'>.gxl</filename> suffix causing a
349 conversion from GXL to DOT.
350 </para>
351 <indexterm zone="graphviz dot2gxl">
352 <primary sortas="b-dot2gxl">dot2gxl</primary>
353 </indexterm>
354 </listitem>
355 </varlistentry>
356
357 <varlistentry id="dotty">
358 <term><command>dotty</command></term>
359 <listitem>
360 <para>
361 is a graph editor for the X Window System. It may be run as a
362 standalone editor, or as a front end for applications that use
363 graphs. It can control multiple windows viewing different graphs.
364 </para>
365 <indexterm zone="graphviz dotty">
366 <primary sortas="b-dotty">dotty</primary>
367 </indexterm>
368 </listitem>
369 </varlistentry>
370
371 <varlistentry id="fdp">
372 <term><command>fdp</command></term>
373 <listitem>
374 <para>
375 draws undirected graphs using a <quote>spring</quote> model. It
376 relies on a force-directed approach in the spirit of Fruchterman
377 and Reingold.
378 </para>
379 <indexterm zone="graphviz fdp">
380 <primary sortas="b-fdp">fdp</primary>
381 </indexterm>
382 </listitem>
383 </varlistentry>
384
385 <varlistentry id="gc-graphviz">
386 <term><command>gc</command></term>
387 <listitem>
388 <para>
389 is a graph analogue to <command>wc</command> in that it prints
390 to standard output the number of nodes, edges, connected components
391 or clusters contained in the input files. It also prints a total
392 count for all graphs if more than one graph is given.
393 </para>
394 <indexterm zone="graphviz gc-graphviz">
395 <primary sortas="b-gc">gc</primary>
396 </indexterm>
397 </listitem>
398 </varlistentry>
399
400 <varlistentry id="gml2gv">
401 <term><command>gml2gv</command></term>
402 <listitem>
403 <para>
404 converts a graph specified in the GML format to
405 a graph in the GV (formerly DOT) format.
406 </para>
407 <indexterm zone="graphviz gml2gv">
408 <primary sortas="b-gml2gv">gml2gv</primary>
409 </indexterm>
410 </listitem>
411 </varlistentry>
412
413 <varlistentry id="gxl2gv">
414 <term><command>gxl2gv</command></term>
415 <listitem>
416 <para>
417 converts between graphs represented in GXL and in
418 the GV language.
419 </para>
420 <indexterm zone="graphviz gxl2gv">
421 <primary sortas="b-gxl2gv">gxl2gv</primary>
422 </indexterm>
423 </listitem>
424 </varlistentry>
425
426 <varlistentry id="gvcolor">
427 <term><command>gvcolor</command></term>
428 <listitem>
429 <para>
430 is a filter that sets node colors from initial seed values.
431 Colors flow along edges from tail to head, and are averaged (as HSB
432 vectors) at nodes.
433 </para>
434 <indexterm zone="graphviz gvcolor">
435 <primary sortas="b-gvcolor">gvcolor</primary>
436 </indexterm>
437 </listitem>
438 </varlistentry>
439
440 <varlistentry id="gvedit">
441 <term><command>gvedit</command></term>
442 <listitem>
443 <para>
444 provides a simple graph editor and viewer. It allows many
445 graphs to be viewed at the same time. The text of each
446 graph is displayed in its own text window.
447 </para>
448 <indexterm zone="graphviz gvedit">
449 <primary sortas="b-gvedit">gvedit</primary>
450 </indexterm>
451 </listitem>
452 </varlistentry>
453
454 <varlistentry id="gvgen">
455 <term><command>gvgen</command></term>
456 <listitem>
457 <para>
458 generates a variety of simple, regularly-structured
459 abstract graphs.
460 </para>
461 <indexterm zone="graphviz gvgen">
462 <primary sortas="b-gvgen">gvgen</primary>
463 </indexterm>
464 </listitem>
465 </varlistentry>
466
467 <varlistentry id="gvmap">
468 <term><command>gvmap</command></term>
469 <listitem>
470 <para>
471 takes as input a graph in DOT format, finds node
472 clusters and produces a rendering of the graph as
473 a geographic-style map, with clusters highlighted,
474 in xdot format.
475 </para>
476 <indexterm zone="graphviz gvmap">
477 <primary sortas="b-gvmap">gvmap</primary>
478 </indexterm>
479 </listitem>
480 </varlistentry>
481
482 <varlistentry id="gvpack">
483 <term><command>gvpack</command></term>
484 <listitem>
485 <para>
486 reads in a stream of graphs, combines the graphs into a single layout,
487 and produces a single graph serving as the union of the input graphs.
488 </para>
489 <indexterm zone="graphviz gvpack">
490 <primary sortas="b-gvpack">gvpack</primary>
491 </indexterm>
492 </listitem>
493 </varlistentry>
494
495 <varlistentry id="gvpr">
496 <term><command>gvpr</command></term>
497 <listitem>
498 <para>
499 is a graph stream editor inspired by <command>awk</command>. It
500 copies input graphs to its output, possibly transforming their
501 structure and attributes, creating new graphs, or printing arbitrary
502 information.
503 </para>
504 <indexterm zone="graphviz gvpr">
505 <primary sortas="b-gvpr">gvpr</primary>
506 </indexterm>
507 </listitem>
508 </varlistentry>
509
510 <varlistentry id="gxl2dot">
511 <term><command>gxl2dot</command></term>
512 <listitem>
513 <para>
514 converts between graphs represented in GXL and in the DOT
515 language. Unless a conversion type is specified using a flag,
516 <command>gxl2dot</command> will deduce the type of conversion from
517 the suffix of the input file, a
518 <filename class='extension'>.dot</filename> suffix causing a
519 conversion from DOT to GXL, and a
520 <filename class='extension'>.gxl</filename> suffix causing a
521 conversion from GXL to DOT.
522 </para>
523 <indexterm zone="graphviz gxl2dot">
524 <primary sortas="b-gxl2dot">gxl2dot</primary>
525 </indexterm>
526 </listitem>
527 </varlistentry>
528
529 <varlistentry id="lefty">
530 <term><command>lefty</command></term>
531 <listitem>
532 <para>
533 is a two-view graphics editor for technical pictures.
534 </para>
535 <indexterm zone="graphviz lefty">
536 <primary sortas="b-lefty">lefty</primary>
537 </indexterm>
538 </listitem>
539 </varlistentry>
540
541 <varlistentry id="lneato">
542 <term><command>lneato</command></term>
543 <listitem>
544 <para>
545 is a graph editor for the X Window System. It may be run as a
546 standalone editor, or as a front end for applications that use
547 graphs. It can control multiple windows viewing different graphs.
548 </para>
549 <indexterm zone="graphviz lneato">
550 <primary sortas="b-lneato">lneato</primary>
551 </indexterm>
552 </listitem>
553 </varlistentry>
554
555 <varlistentry id="mm2gv">
556 <term><command>mm2gv</command></term>
557 <listitem>
558 <para>
559 converts a sparse matrix of the Matrix Market format
560 to a graph in the GV (formerly DOT) format.
561 </para>
562 <indexterm zone="graphviz mm2gv">
563 <primary sortas="b-mm2gv">mm2gv</primary>
564 </indexterm>
565 </listitem>
566 </varlistentry>
567
568 <varlistentry id="neato">
569 <term><command>neato</command></term>
570 <listitem>
571 <para>
572 draws undirected graphs using <quote>spring</quote> models. Input
573 files must be formatted in the <command>dot</command> attributed
574 graph language. By default, the output of <command>neato</command>
575 is the input graph with layout coordinates appended.
576 </para>
577 <indexterm zone="graphviz neato">
578 <primary sortas="b-neato">neato</primary>
579 </indexterm>
580 </listitem>
581 </varlistentry>
582
583 <varlistentry id="nop">
584 <term><command>nop</command></term>
585 <listitem>
586 <para>
587 reads a stream of graphs and prints each in pretty-printed (canonical)
588 format on stdout. If no files are given, it reads from stdin.
589 </para>
590 <indexterm zone="graphviz nop">
591 <primary sortas="b-nop">nop</primary>
592 </indexterm>
593 </listitem>
594 </varlistentry>
595
596 <varlistentry id="osage">
597 <term><command>osage</command></term>
598 <listitem>
599 <para>
600 draws clustered graphs. As input, it takes any
601 graph in the DOT format.
602 </para>
603 <indexterm zone="graphviz osage">
604 <primary sortas="b-osage">osage</primary>
605 </indexterm>
606 </listitem>
607 </varlistentry>
608
609 <varlistentry id="patchwork">
610 <term><command>patchwork</command></term>
611 <listitem>
612 <para>
613 draws clustered graphs using a squarified treemap layout.
614 As input, it takes any graph in the DOT format.
615 </para>
616 <indexterm zone="graphviz patchwork">
617 <primary sortas="b-patchwork">patchwork</primary>
618 </indexterm>
619 </listitem>
620 </varlistentry>
621
622 <varlistentry id="prune">
623 <term><command>prune</command></term>
624 <listitem>
625 <para>
626 reads directed graphs in the same format used by
627 <command>dot</command> and removes subgraphs rooted at nodes
628 specified on the command line via options.
629 </para>
630 <indexterm zone="graphviz prune">
631 <primary sortas="b-prune">prune</primary>
632 </indexterm>
633 </listitem>
634 </varlistentry>
635
636 <varlistentry id="sccmap">
637 <term><command>sccmap</command></term>
638 <listitem>
639 <para>
640 decomposes digraphs into strongly connected components and an
641 auxiliary map of the relationship between components. In this map,
642 each component is collapsed into a node. The resulting graphs are
643 printed to stdout.
644 </para>
645 <indexterm zone="graphviz sccmap">
646 <primary sortas="b-sccmap">sccmap</primary>
647 </indexterm>
648 </listitem>
649 </varlistentry>
650
651 <varlistentry id="sfdp">
652 <term><command>sfdp</command></term>
653 <listitem>
654 <para>
655 draws undirected graphs using the <quote>spring</quote> model,
656 but it uses a multi-scale approach to produce layouts of large
657 graphs in a reasonably short time.
658 </para>
659 <indexterm zone="graphviz sfdp">
660 <primary sortas="b-sfdp">sfdp</primary>
661 </indexterm>
662 </listitem>
663 </varlistentry>
664
665 <varlistentry id="tred">
666 <term><command>tred</command></term>
667 <listitem>
668 <para>
669 computes the transitive reduction of directed graphs, and
670 prints the resulting graphs to standard output. This removes edges
671 implied by transitivity. Nodes and subgraphs are not otherwise
672 affected.
673 </para>
674 <indexterm zone="graphviz tred">
675 <primary sortas="b-tred">tred</primary>
676 </indexterm>
677 </listitem>
678 </varlistentry>
679
680 <varlistentry id="twopi">
681 <term><command>twopi</command></term>
682 <listitem>
683 <para>
684 draws graphs using a radial layout. Basically, one node is
685 chosen as the center and put at the origin. The remaining nodes are
686 placed on a sequence of concentric circles centered about the origin,
687 each a fixed radial distance from the previous circle.
688 </para>
689 <indexterm zone="graphviz twopi">
690 <primary sortas="b-twopi">twopi</primary>
691 </indexterm>
692 </listitem>
693 </varlistentry>
694
695 <varlistentry id="unflatten">
696 <term><command>unflatten</command></term>
697 <listitem>
698 <para>
699 is a preprocessor to <command>dot</command> that is used to
700 improve the aspect ratio of graphs having many leaves or disconnected
701 nodes. The usual layout for such a graph is generally very wide or tall.
702 </para>
703 <indexterm zone="graphviz unflatten">
704 <primary sortas="b-unflatten">unflatten</primary>
705 </indexterm>
706 </listitem>
707 </varlistentry>
708
709 <varlistentry id="vimdot">
710 <term><command>vimdot</command></term>
711 <listitem>
712 <para>
713 is a simple script which launches the <command>gvim</command>
714 or <command>vim</command> editor along with a GUI window
715 showing the <command>dot</command> output of the edited file.
716 </para>
717 <indexterm zone="graphviz vimdot">
718 <primary sortas="b-vimdot">vimdot</primary>
719 </indexterm>
720 </listitem>
721 </varlistentry>
722
723 <varlistentry id="libcdt">
724 <term><filename class="libraryfile">libcdt.so</filename></term>
725 <listitem>
726 <para>
727 manages run-time dictionaries using standard container data
728 types: unordered set/multiset, ordered set/multiset, list, stack,
729 and queue.
730 </para>
731 <indexterm zone="graphviz libcdt">
732 <primary sortas="c-libcdt">libcdt.so</primary>
733 </indexterm>
734 </listitem>
735 </varlistentry>
736
737 <varlistentry id="libcgraph">
738 <term><filename class="libraryfile">libcgraph.so</filename></term>
739 <listitem>
740 <para>
741 supports graph programming by maintaining graphs in memory and
742 reading and writing graph files. Graphs are composed of nodes,
743 edges, and nested subgraphs.
744 </para>
745 <indexterm zone="graphviz libcgraph">
746 <primary sortas="c-libcgraph">libcgraph.so</primary>
747 </indexterm>
748 </listitem>
749 </varlistentry>
750
751 <varlistentry id="libgvc">
752 <term><filename class="libraryfile">libgvc.so</filename></term>
753 <listitem>
754 <para>
755 provides a context for applications wishing to manipulate
756 and render graphs. It provides a command line parsing,
757 common rendering code, and a plugin mechanism for renderers.
758 </para>
759 <indexterm zone="graphviz libgvc">
760 <primary sortas="c-libgvc">libgvc.so</primary>
761 </indexterm>
762 </listitem>
763 </varlistentry>
764
765 <varlistentry id="libpathplan">
766 <term><filename class="libraryfile">libpathplan.so</filename></term>
767 <listitem>
768 <para>
769 contains functions to find the shortest path between two points
770 in a simple polygon.
771 </para>
772 <indexterm zone="graphviz libpathplan">
773 <primary sortas="c-libpathplan">libpathplan.so</primary>
774 </indexterm>
775 </listitem>
776 </varlistentry>
777
778 <varlistentry id="libxdot">
779 <term><filename class="libraryfile">libxdot.so</filename></term>
780 <listitem>
781 <para>
782 provides support for parsing and deparsing graphical
783 operations specificed by the xdot language.
784 </para>
785 <indexterm zone="graphviz libxdot">
786 <primary sortas="c-libxdot">libxdot.so</primary>
787 </indexterm>
788 </listitem>
789 </varlistentry>
790
791 </variablelist>
792
793 </sect2>
794
795</sect1>
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