VCHULL

VisionX V4
NAME

vchull − calculates the 3D convex hull

SYNOPSIS

vchull if=<infile> of=<outfile>

DESCRIPTION

vchull

vchull computes a 3D convex hull. It takes in an image file and obtains its outer layer (vmorph -e, xor). Then it calls vpixloc to compute the locations of its non-zero pixels. The locations are used by qhull to compute the convex hull. The output of qhull is converted to a V3D file by using vofftov3d and the V3D file is used to render the actual convex hull output image (of) using vring and varend.

CONSTRAINT

Input file if is a VisionX image. Output file is the convex hull image.

OPTIONS

if=

input image

of=

output image

SEE ALSO

vpixloc(1),vofftov3d(1)

AUTHOR

A.P. Reeves