vflip(1Vi) vflip(1Vi)
NAME
vflip - flip an image horizontally and/or vertically
SYNOPSIS
vflip [-hor] [-vert] [-option ...] [infile] [outfile]
DESCRIPTION
vflip flips images horizontally and/or vertically.
A horizontal flip exchanges the left and right sides of an image. A vertical flip exchanges the top and bottom.
COMMAND LINE OPTIONS
vflip accepts the following options:
-help Prints a message describing options.
-in infile Specifies a Vista data file containing the input images.
-out outfile Specifies where to write the flipped images as a Vista data file.
-horizontal Specifies that a horizontal flip should be performed.
-vertical Specifies that a vertical flip should be performed.
If both -horizontal and -vertical are specified, the horizontal flip is performed first. If neither is specified, the images are neverthe-
less flipped horizontally.
SEE ALSO
vrotate(1Vi), vtranspose(1Vi), VImage(3Vi), Vista(7Vi)
AUTHOR
Daniel Ko <ko@cs.ubc.ca>
Vista Version 1.12 24 April 1993 vflip(1Vi)