Manual Reference Pages - BDY (1)
bdy - boundary curve finder
Bdy is a filter used to find boundary curves in Geomview objects.
The program reads a geomview object from standard input and prints the
resultant 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,
indicating that the vertices must be numerically identical. It may
sometimes be necessary to set it to a higher value to compensate for
The vector object is always black.
The vector object is not a particularly compact representation of itself,
since it contains many 2-vertex segments which could be combined.
geomview(1), anytooff(1), anytopl(3), bdy(3), offconsol(1), plconsol(3)
The Geometry Center
|Geometry Center ||BDY (1gv) ||June 12 1992 |
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