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new_rotation_settings

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new_rotation_settings [2026/10/20 17:27] – Synchronize English documentation with canonical Russian pages; reviewed locally 2026-10-20 usernew_rotation_settings [2026/10/20 18:18] (current) – Documentation: Preview quality filter, thresholds, manual test and logs admin
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 If you need a horizontal thumb but the source is vertical, an auto-cropped thumb will likely be poor quality since it'll cut off essential content. This option automatically skips thumbs with the wrong orientation. If you need a horizontal thumb but the source is vertical, an auto-cropped thumb will likely be poor quality since it'll cut off essential content. This option automatically skips thumbs with the wrong orientation.
 +
 +===== Preview quality filter =====
 +
 +**Rotation - Settings - Preview quality filter** can automatically skip almost-black, white, uniform and heavily blurred local thumbs. It requires **Image Lib = ImageMagick** and is off by default. Use **Test image** to try thresholds without saving settings.
 +
 +See [[rotation_settings#preview_quality_filter|Preview quality filter in Rotation Settings]] for the fields, examples and logs.
  
 ===== URLs with 0 result thumbs return 404 ===== ===== URLs with 0 result thumbs return 404 =====
new_rotation_settings.txt · Last modified: by admin