1idiff(1)                          OpenImageIO                         idiff(1)
2
3
4

TITLE

6       idiff -- compare two images
7

SYNOPSIS

9       Usage: idiff [options] image1 image2
10
11

DESCRIPTION

13       This  program  is  part of the OpenImageIO (http://www.openimageio.org)
14       tool suite.  Detailed documentation is available in pdf format with the
15       OpenImageIO distribution.
16

OPTIONS

18       --help Print help message
19
20       -v     Verbose status messages
21
22       -q     Quiet (minimal messages)
23
24       -a     Compare all subimages/miplevels
25
26       Thresholding and comparison options
27
28              -fail VAL
29                     Failure threshold difference (default: 1e-06)
30
31              -failpercent PERCENT
32                     Allow this percentage of failures (default: 0)
33
34              -hardfail VAL
35                     Fail if any one pixel exceeds this error (default: inf)
36
37              -warn VAL
38                     Warning threshold difference (default: 1e-06)
39
40              -warnpercent PERCENT
41                     Allow this percentage of warnings (default: 0)
42
43              -hardwarn VAL
44                     Warn if any one pixel exceeds this error (default: inf)
45
46              -p     Perform perceptual (rather than numeric) comparison
47
48       Difference image options
49
50              -o FILENAME
51                     Output difference image
52
53              -od    Output image only if nonzero difference
54
55              -abs   Output image of absolute value, not signed difference
56
57              -scale FACTOR
58                     Scale the output image by this factor (default: 1)
59
60
61
62                                 01 March 2021                        idiff(1)