Updated: 5 June 2012

Index

**-c***n*-
Generate a cycle with
*n*vertices and edges. **-C***x,y*-
Generate an
*x*by*y*cylinder. This will have*x*y*vertices and*2*x*y - y*edges. **-g***[***f**]x,y-
Generate an
*x*by*y*grid. If**f**is given, the grid is folded, with an edge attaching each pair of opposing corner vertices. This will have*x*y*vertices and*2*x*y - y - x*edges if unfolded and*2*x*y - y - x + 2*edges if folded. **-G***[***f**]x,y-
Generate an
*x*by*y*partial grid. If**f**is given, the grid is folded, with an edge attaching each pair of opposing corner vertices. This will have*x*y*vertices. **-h***n*-
Generate a hypercube of degree
*n*. This will have*2^n*vertices and*n*2^(n-1)*edges. **-k***n*-
Generate a complete graph on
*n*vertices with*n*(n-1)/2*edges. **-b***x,y*-
Generate a complete
*x*by*y*bipartite graph. This will have*x+y*vertices and*x*y*edges. **-B***x,y*-
Generate an
*x*by*y*ball, i.e., an*x*by*y*cylinder with two "cap" nodes closing the ends. This will have*x*y + 2*vertices and*2*x*y + y*edges. **-m***n*-
Generate a triangular mesh with
*n*vertices on a side. This will have*(n+1)*n/2*vertices and*3*(n-1)*n/2*edges. **-M***x,y*-
Generate an x by y Moebius strip.
This will have
*x*y*vertices and*2*x*y - y*edges. **-p***n*-
Generate a path on
*n*vertices. This will have*n-1*edges. **-r***x,y*-
Generate a random graph.
The number of vertices will be the largest value of the form
*2^n-1*less than or equal to*x*. Larger values of*y*increase the density of the graph. **-R***x*-
Generate a random rooted tree on
*x*vertices. **-s***n*-
Generate a star on
*n*vertices. This will have*n-1*edges. **-S***n*-
Generate a Sierpinski graph of order
*n*. This will have*3*(3^(n-1) - 1)/2*vertices and*3^n*edges. **-t***n*-
Generate a binary tree of height
*n*. This will have*2^n-1*vertices and*2^n-2*edges. **-t***h,n*-
Generate a n-ary tree of height
*h*. **-T***x,y***-T***x,y,u,v*-
Generate an
*x*by*y*torus. This will have*x*y*vertices and*2*x*y*edges. If*u*and*v*are given, they specify twists of that amount in the horizontal and vertical directions, respectively. **-w***n*-
Generate a path on
*n*vertices. This will have*n-1*edges. **-i***n*-
Generate
*n*graphs of the requested type. At present, only available if the**-R**flag is used. **-n***prefix*-
Normally, integers are used as node names. If
*prefix*is specified, this will be prepended to the integer to create the name. **-N***name*-
Use
*name*as the name of the graph. By default, the graph is anonymous. **-o***outfile*-
If specified, the generated graph is written into the file
*outfile.*Otherwise, the graph is written to standard out. **-d**- Make the generated graph directed.
**-v**- Verbose output.
**-?**- Print usage information.

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- DESCRIPTION
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