springgraph(1) [debian man page]

SPRINGGRAPH(1)						      General Commands Manual						    SPRINGGRAPH(1)

NAME

       springgraph - renders a graph from a .dot file

SYNOPSIS

       springgraph [OPTIONS] < input-file.dot > output-file.png

DESCRIPTION

       Springgraph will read in a .dot file description of a graph, which, for each node, specifies its name and which other nodes it is connected
       to, and then renders a graph. The output is a PNG file. Each node is drawn as an ellipse, and each connection is drawn  as  an  arrow.  The
       node  placement	is  a  result of all of the nodes moving away from each other, while all nodes which are connected move toward each other.
       This movement is repeated until it stabilizes.

       Springgraph was written as an alternative to neato, which is part of graphviz. It attempts to read the same .dot files  used  by  graphviz,
       but  currently  only  supports  a limited number of node attributes (label and fillcolor) and can only handle two nodes per edge definition
       ("node1 -> node2", not "node1 -> node2 -> node3").

OPTIONS

       springgraph accepts the following options:

       -p	       Create a file that can be rendered with POV-Ray

       -v	       create a VRML file

       -s	       this option specifies the scale. All of the node locations are multiplied by this. Increase the	scale  to  eliminate  node
		       overlaps. Decrease the scale to make the graph smaller.

       -t	       make the background of the resulting image transparent.

       -b	       set  background color of image, specify it in the form RRGGBB, in hex digits, e.g. FFFFFF is white, 000000 is black, FF0000
		       is red, ...

       -l	       set the line color, same format as the background color

       -h	       display usage synopsis

EXAMPLE

	digraph {
	 "rene" -> "myon";
	 "mvo" -> "rene";
	}

SEE ALSO

       neato(1) sig2dot(1) http://www.graphviz.org/Documentation.php http://www.graphviz.org/cvs/doc/info/lang.html

AUTHOR

       This manual page was written by Kevin M. Rosenberg <kmr@debian.org>, for the Debian GNU/Linux system (but may be used by others).

								 September 5, 2005						    SPRINGGRAPH(1)

Check Out this Related Man Page

GVCOLOR(1)						      General Commands Manual							GVCOLOR(1)

NAME

       gvcolor - flow colors through a ranked digraph
       ( previously known as colorize )

SYNOPSIS

       gvcolor [ files ]

USAGE

       dot file.dot | gvcolor | dot -T<format>

DESCRIPTION

       gvcolor	is  a  filter that sets node colors from initial seed values.  Colors flow along edges from tail to head, and are averaged (as HSB
       vectors) at nodes.  The graph must already have been processed by dot.  Appropriate choice of initial colors yields drawings in which  node
       colors help to emphasize logical relationships between nodes, even when they are spread far apart in the layout.

       Initial	colors must be set externally, using the color attribute of a node.  It is often effective to assign colors to a few key source or
       sink nodes, manually setting their colors by editing the graph file.  Color names are as in dot(1): symbolic names or RGB triples.   It	is
       best  to  choose  some  easily-distinguished  but  related  colors;  not  necessarily  spaced  evenly around the color wheel.  For example,
       blue_green, green, and light_yellow looks better than red, green, blue.

       Certain graph attributes control the gvcolor algorithm.	flow=back reverses the flow of colors from heads to tails.   saturation=.1,.9  (or
       any  two  numbers between 0 and 1) adjusts the color saturation linearly from least to greatest rank.  If Defcolor is set, this color value
       is applied to any node not otherwise colored.

EXIT STATUS

       The following exit values are returned:

       0   Successful completion.

       1   If nodes of the graph do not possess a ``pos'' attribute.

BUGS

       It would be nice to make the program work without relying on an initial pass through dot.

AUTHORS

       Stephen C. North <north@research.att.com>
       Emden R. Gansner <erg@research.att.com>

SEE ALSO

       gc(1), dot(1), gvpr(1), ccomps(1), sccmap(1), tred(1), libgraph(3)

								   21 March 2001							GVCOLOR(1)

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springgraph(1) [debian man page]

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