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Визуализация данных с помощью Graphviz

April 21st, 2009 No comments

Graph Visualization Software from AT&T Laboratories and
Bell Laboratories (Lucent Technologies)

These programs licensed under the terms described in the web page at:

http://www.graphviz.org/License.php

The package contains:
dotty – customizable X windows graph viewer written in the Lefty editor
tcldot – customizable TCL/tk graph viewer written by John Ellson
dot – batch program for drawing directed graphs as hierarchies
neato – batch program for drawing undirected graphs using Kamada-Kawai
spring models

WWW: http://www.graphviz.org/

Установка:

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$ cd /usr/ports/graphics/graphviz
$ make showconfig
===> The following configuration options are available for graphviz-2.22.2:
     ICONV=on "Build with ICONV support"
     XPM=on "Build with XPM support"
     DIGCOLA=on "DIGCOLA features in neato layout engine"
     IPSEPCOLA=on "IPSEPCOLA features in neato layout engine"
     SMYRNA=off "SMYRNA large graph viewer"
     NLS=on "Build with gettext support"
     TK=off "Build with TK support"
     PANGOCAIRO=off "build with pangocairo support"
     RSVG=off "build with rsvg library"
     GTK=off "build with gtk plugin"
     GDK_PIXBUF=off "build with gdk pixbuf support"
     GNOMEUI=off "build with libgnomeui support"
     MING=off "Build with ming plugin"
     DEVIL=off "Build with devil plugin"
     GHOSTSCRIPT=off "Build with ghostscript plugin"
     PERL=off "Perl bindings (swig)"
     PHP=off "PHP bindings (swig)"
     PYTHON=off "Python bindings (swig)"
     RUBY=off "Ruby bindings (swig)"
     LUA=off "Lua bindings (swig)"
     TCL=off "TCL bindings (swig)"
     GUILE=off "Guile bindings (swig)"
===> Use 'make config' to modify these settings
$ make install clean

Создаем файл данных dots.txt. В файл добавлена строка с указанием шрифта, наче dot ругается что не может его найти.

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digraph "microdc2 build Dependencies" {
enode [fontname="/usr/local/www/data/temp/dot/Times.dfont"]
"gettext-0.17_1" -> "libiconv-1.11_1"
"gettext-0.17_1" -> "libtool-1.5.26"
"gmake-3.81_3" -> "gettext-0.17_1"
"gmake-3.81_3" -> "libiconv-1.11_1"
"libiconv-1.11_1" -> "libtool-1.5.26"
"libxml2-2.7.3" -> "gettext-0.17_1"
"libxml2-2.7.3" -> "gmake-3.81_3"
"libxml2-2.7.3" -> "libiconv-1.11_1"
"libxml2-2.7.3" -> "pkg-config-0.23_1"
"microdc2" -> "gettext-0.17_1"
"microdc2" -> "libiconv-1.11_1"
"microdc2" -> "libxml2-2.7.3"
"microdc2" -> "pkg-config-0.23_1"
"pkg-config-0.23_1" -> "gettext-0.17_1"
"pkg-config-0.23_1" -> "gmake-3.81_3"
"pkg-config-0.23_1" -> "libiconv-1.11_1"
}

Запускаем сборку:

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$ dot -Tpng -o dots.png dots

Получилось:
dots

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