bdygv - Online in the Cloud

PROGRAM:

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 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 floating-point
error.

The vector object is always black.

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