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VCGDEMOMAKER(1l)					      VCGDEMOMAKER(1l)

NAME
       vcgdemomaker - produces demo specifications for vcg

SYNOPSIS
       vcgdemomaker outfile mode size

DESCRIPTION
       Vcgdemomaker creates a vcg specification and writes it to outfile.  The
       mode determines the kind of specification and  size  the	 size  of  the
       specified  graph.   The specification can be read and visualized by the
       VCG tool.

MODI
       -unarytree
		 generates an unary tree, i.e. a  linear  sequence  of	nodes.
		 size is the number of nodes - 1, i.e. the depth of the tree.

       -binarytree
		 generates  a  binary  tree  of depth size.  Each node has two
		 successors.

       -ternarytree
		 generates a ternary tree of depth size.  Each node has 3 suc‐
		 cessors.

       -leveltree
		 generates a leveled tree of depth size.  Each node has 2 nor‐
		 mal successors, and further a list of nodes as successors  at
		 the same level to the left and right.	These lists contain at
		 most 2 nodes, which itself are leveled	 trees.	  These	 trees
		 are used to check the nearedge feature.

       -twolevelcross
		 generates  a  cross  graph.  This is a bipartitioned graph of
		 connected parts of 4 nodes forming a cross.  Size is the num‐
		 ber  of nodes and should be even.  This graph is generated in
		 an ugly format to check the algorithm of reducing of crossing
		 in the VCG tool.

       -allconnect
		 generates a graph where all pairs of node form an edge.  Size
		 is the number of nodes.  Note that if we  have	 n  nodes,  we
		 have  about  n*n/2  edges  which is a lot.  Thus it is recom‐
		 mended not to use this with more than 40 nodes.

       -netgraph generates a regular 4-ary network of  triangular  shape  with
		 about	size  nodes.  This mesh graph can be used to check the
		 capacity of the tool, the view mechanism and the algorithm of
		 reducing of crossing in the VCG tool.

       -randomgraph
		 generates a randomized 4-ary network.	Starting from the reg‐
		 ular 4-ary network of triangular shape with about size nodes,
		 this  network	is  produced  by creating random holes.	 Thus,
		 this graph has less than size nodes.

       -net2graph
		 generates a regular 4-ary  network  of	 rhomboid  shape  with
		 about size nodes.

       -random2graph
		 generates a randomized 4-ary network.	Starting from the reg‐
		 ular 4-ary network of rhomboid shape with about  size	nodes,
		 this  network	is  produced  by creating random holes.	 Thus,
		 this graph has less than size nodes.

SEE ALSO
       vcg(l)

BUGS
       Currently, no bugs are known.

AUTHOR
       Georg Sander, University of Saarland.

Release 1.3			  1995/01/05		      VCGDEMOMAKER(1l)

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