vnot(1)

PROGRAM
vnot - Compliment an image by subtracting pixel values from a constant.

SYNTAX

vnot

-i  input image

-o  resulting output image

-l  level to subtract input image from

[-V]
    Gives the version for vnot

[-U]
    Gives the usage for vnot

[-P]
    Prompts for command line options

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

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

DESCRIPTION
Compliment an image by subtracting pixel values from a constant. A constant value of 255 will invert a byte (unsigned character) image.

REQUIRED ARGUMENTS

-i  type: infile
    desc: input image

-o  type: outfile
    desc: resulting output image

-l  type: float
    desc: level to subtract input image from

OPTIONAL ARGUMENTS
none

EXAMPLES
vnot -i input.image -o output.image -l 10

This subtracts each pixel in input.image from 10 and places the result in output.image.

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

RESTRICTIONS
vnot will not operate on COMPLEX or transform data storage type images.

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