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 nevertheless
flipped horizontally.
SEE ALSO¶
vrotate(1Vi),
vtranspose(1Vi),
VImage(3Vi),
Vista(7Vi)
AUTHOR¶
Daniel Ko <ko@cs.ubc.ca>
