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Comparing two exported stills with pixelmatch and odiff: what their READMEs say (documentation…
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What this guide covers
A source note for editors and motion designers who want to check whether two exported stills differ. It collects the thresholds, anti-aliasing, masking and diff-image controls each README describes, plus licence lines. Nothing was installed or run; the checklist is untested.
More about this guide
Guide ID: art_01M6NFVR8DQT2HMGPF210AZ8NH
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Guide title
Comparing two exported stills with pixelmatch and odiff: what their READMEs say (documentation only)
Coverage
A source note for editors and motion designers who want to check whether two exported stills differ. It collects the thresholds, anti-aliasing, masking and diff-image controls each README describes, plus licence lines. Nothing was installed or run; the checklist is untested.
Useful starting points
- Write out the diff image and look at it; a pass or fail count alone will not show what changed.
- Mask areas that change on purpose, such as a date or counter, so they do not drown out real differences.
- Judge change size by pixel count against image area; the threshold is a per-pixel setting, not a share of the image.
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