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bdy(1gv)							      bdy(1gv)

NAME
       bdy - boundary curve finder

SYNOPSIS
       bdy [precision]

DESCRIPTION
       Bdy  is a filter	used to	find boundary curves in	Geomview objects.  The
       program reads a geomview	object from standard input and prints the  re-
       sultant	vector	object	to standard output.  Bdy finds the segments of
       the vector by first converting the given	object into  a	polylist  (See
       anytooff(1)).   Then, it	finds all edges	used once and only once	in the
       polylist	and combines these edges into a	vector object.	 The  optional
       precision  arguement  specifies	the  maximum distance between vertices
       that are	to be considered identical.  By	default, it is set to 0.0, in-
       dicating	that the vertices must be numerically identical.  It may some-
       times be	necessary to set it to a higher	value to compensate for	float-
       ing-point error.

       The vector object is always black.

BUGS
       The  vector  object is not a particularly compact representation	of it-
       self, since it contains many 2-vertex segments which could be combined.

SEE ALSO
       geomview(1), anytooff(1), anytopl(3), bdy(3), offconsol(1), plconsol(3)

AUTHOR
       Celeste Fowler
       The Geometry Center

Geometry Center			 June 12 1992			      bdy(1gv)

NAME | SYNOPSIS | DESCRIPTION | BUGS | SEE ALSO | AUTHOR

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