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Diffstat (limited to 'utilities/compare.1.in')
-rw-r--r-- | utilities/compare.1.in | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/utilities/compare.1.in b/utilities/compare.1.in index 929196658..97fca5678 100644 --- a/utilities/compare.1.in +++ b/utilities/compare.1.in @@ -97,8 +97,7 @@ Miscellaneous Options: By default, the image format of `file' is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). Specify 'file' as '-' for standard input or output. -The compare program returns 2 on error otherwise 0 if the images are similar or -1 if they are dissimilar. +The compare program returns 2 on error otherwise 0 if the images are similar or 1 if they are dissimilar as defined by the metric and fuzz. The normalized cross correlation error metric is an exception. For this metric, 1 is interpretted as two identical images. .SH SEE ALSO ImageMagick(1) |