vsurf(1)

PROGRAM
vsurf - Compute surface parameters (normal and angle)

SYNTAX

vsurf

-i  input image

-norm
    normals image

-ang
    angles image

[-V]
    Gives the version for vsurf

[-U]
    Gives the usage for vsurf

[-P]
    Prompts for command line options

[-A [file1]]
    Creates the answer file called vsurf.ans or file1

[-a [file1]]
    Uses vsurf.ans or file1 as the answer file

DESCRIPTION
vsurf will take a surface image and produce two output images: one with the normals for each point on the surface and one with the angle between the surface normal and the normal to the zero plane of the image.

The angle output image is in degrees.

REQUIRED ARGUMENTS

-i  type: infile
    desc: input image

-norm
    type: outfile
    desc: normals image

-ang
    type: outfile
    desc: angles image

OPTIONAL ARGUMENTS
none

EXAMPLES

% vsurf -i surface -norm normals -ang angles

SEE ALSO
intro(1), verror(3), vgparms(3), vutils(3), lvsurf(3)

RESTRICTIONS
Works only on FLOAT input images.

COPYRIGHT
Copyright 1991, University of New Mexico. All rights reserved.