Интерактивная система просмотра системных руководств (man-ов)
>> gvcolor (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
gvcolor - flow colors through a ranked digraph
( previously known as
dot file.dot | gvcolor | dot -T<format>
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 gvcolorfP 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.
The following exit values are returned:
If nodes of the graph do not possess a ``pos'' attribute.
It would be nice to make the program work without relying on
an initial pass through dot
Stephen C. North <email@example.com
Emden R. Gansner <firstname.lastname@example.org
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