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digraph G {

/*   based on work by Kaspar Bumke  */
  graph [comment="based on work by Kaspar Bumke "]
  graph [inputscale="72" layout="neato" rankdir=RL layers="visible:invisible:OFF_layer:TRIG_START_layer:RECORD_layer:TRIG_STOP_layer:PLAY_layer:OVERDUB_layer:MULTIPLY_layer:INSERT_layer:REPLACE_layer:DELAY_layer:MUTE_layer:SCRATCH_layer:ONESHOT_layer:SUBSTITUTE_layer:PAUSED_layer:UNDO_ALL_layer:TRIGGER_PLAY_layer:UNDO_layer:REDO_layer:REDO_ALL_layer:OFF_MUTE_layer" size="9,9!" outputorder="nodesfirst"]

	subgraph cluster1 {
node [style="filled" fillcolor="white" fontname=Times] 
node [id=":\N:"];  // set the ID field in the SVG output, used by the SVG postprocessor

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digraph G {
	layers="local:pvt:test:new:ofc";
        node [style=filled,color=lightblue];
	node1  [layer="pvt"];
	node2  [layer="all",color=red];
	node3  [layer="pvt:ofc"];		/* pvt, test, new, and ofc */
	node2 -> node3  [layer="pvt:all"];	/* same as pvt:ofc */
	node2 -> node4 [layer=3];		/* same as test */
}

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/* Courtesy of Ian Darwin <[email protected]>
 * and Geoff Collyer <[email protected]>
 * Mildly updated by Ian Darwin in 2000.
 */
digraph unix {
	size="6,6";
	layers="L1:L2:L3:L4:L5:L6:L7:L8:L9:L10:L11:L12";
	node [color=lightblue2, style=filled];

	"5th Edition" [layer = "L1:L12"];

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/********************************************************************************
RadialLayout - a radial layout engine for Graphviz

radialLayout.gvpr takes a super-subset of Graphviz input and creates an enhanced output with explicit positioning for all nodes.  Positioning for each node is based either on new angle & distance attributes or on explicit "pos" value.  This output can be fed into `neato -n` (see https://graphviz.org/faq/#FaqDotWithNodeCoords) to route all defined edges.

New node attributes:
  -  radialangle - angle from the origin line units:
       - radians
       - degrees
       - clock-face hour posiyion (4oc)

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## set -x
## This is a Linux (and maybe MacOS?) shell script.
## It will need to be modified to run on Windows.
## It performs word-wrap (https://en.wikipedia.org/wiki/Line_wrap_and_word_wrap) on the labels of certain Graphviz nodes.
## - not html-like labels
## - not record or Mrecord shaped nodes
## - not edge labels
## - not graph or cluster labels
## - not xlabels
## - it DOES NOT recognize any meaning of TAB character (ASCII 09) or

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#!/bin/sh
cat <<QUitquIT
# This is a shell archive. 
#
# to execute this file, type:   sh keepOrder_archive.sh
# 
# On Linux/UNIX/MacOS(?) systems it is an executable program that will create 
# a subdirectory (named keepOrder) in the currect directory and then 
# install multiple (text) files in that directory.  
# This shell archive and all contents are humanly readable - no binary files.

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/***********************************************
 1. save this file as improveEdgeLabels.gvpr
 2. what it does: it allows you to re-position Graphviz edge labels
 3. command line example (works with any Graphviz engine):
   dot myfile.gv |gvpr -cf improveEdgeLabels.gvpr |neato -n2 -Tpng >myfile.png
 4. how to use:
   improveEdgeLabels adds 3 new edge attributes to Graphviz:
   - labelOverlay, labelAdjust, label2Node
   - they can be used separately or in combination
   - if labelOverlay=true

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/*************************************************************************
  twopiCircles: add circles to twopi graph
      similar to the "addrings" gvpr program that comes with Graphviz source

New Attributes, only used by twopiCircles.gvpr:
  - maxRank - set a maximum number of concentric circles (ranks).
    Ranks counted from the center, Root is not counted as a rank
  - noOffset - if true, draw circles through the center of nodes
    otherwise, draw circles between the ranks
    (i.e half-way from one rank to the next)