idiff1
Usage
Usage: {idiff
[options]
<image1>
<image2 | directory>}
Overview
This program is part of the OpenImageIO (http://www.openimageio.org) tool suite. Detailed documentation is available in pdf format with the OpenImageIO distribution.
Options
-
--help -
Print help message
-
--version -
Print version and exit
-
-v -
Verbose status messages
-
-q -
Quiet (minimal messages)
-
-a -
Compare all subimages/miplevels
Thresholding and comparison options
-
-fail VAL -
Failure absolute difference threshold (default: 1e-06)
-
-failrelative VAL -
Failure relative threshold (default: 0)
-
-failpercent PERCENT -
Allow this percentage of failures (default: 0)
-
-hardfail VAL -
Fail if any one pixel exceeds this error (default: inf)
-
-allowfailures N -
OK for this number of pixels to fail by any amount (default: 0)
-
-warn VAL -
Warning absolute difference threshold (default: 1e-06)
-
-warnrelative VAL -
Warning relative threshold (default: 0)
-
-warnpercent PERCENT -
Allow this percentage of warnings (default: 0)
-
-hardwarn VAL -
Warn if any one pixel exceeds this error (default: inf)
-
-p -
Perform perceptual (rather than numeric) comparison
Difference image options
-
-o FILENAME -
Output difference image
-
-od -
Output image only if nonzero difference
-
-abs -
Output image of absolute value, not signed difference
-
-scale FACTOR -
Scale the output image by this factor (default: 1)
Releases
7 releases since Debian 7 (Wheezy); the text changed 4 times.
--version since Debian 12 (Bookworm);
-allowfailures since Debian 12 (Bookworm);
-failrelative since Debian 12 (Bookworm);
-q since Debian 11 (Bullseye);
-warnrelative since Debian 12 (Bookworm).