{"id":414,"date":"2020-11-12T13:17:52","date_gmt":"2020-11-12T18:17:52","guid":{"rendered":"http:\/\/www.compdigitec.com\/labs\/?p=414"},"modified":"2023-04-09T16:08:47","modified_gmt":"2023-04-09T20:08:47","slug":"imagemagick-batch-crop-dither-guillotine","status":"publish","type":"post","link":"http:\/\/www.compdigitec.com\/labs\/2020\/11\/12\/imagemagick-batch-crop-dither-guillotine\/","title":{"rendered":"ImageMagick snippet: batch crop, dither, and guillotine"},"content":{"rendered":"<pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n# Create output dirs\nmkdir -p cropped dithered output\nrm cropped\/*.png dithered\/*.png output\/*.png\n\n# Crop (3000x2000 at position 200, 200)\nmogrify -crop 3000x2000+200+200 -path .\/cropped *.png\n\n# Dither (to indexed colours)\nmogrify +dither -colors 4 -path .\/dithered cropped\/*.png\n\n# Guillotine\nmogrify -crop 2x1@ +repage -path .\/output dithered\/*.png\n<\/pre>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[890,887,888,889,891,892,243],"_links":{"self":[{"href":"http:\/\/www.compdigitec.com\/labs\/wp-json\/wp\/v2\/posts\/414"}],"collection":[{"href":"http:\/\/www.compdigitec.com\/labs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.compdigitec.com\/labs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.compdigitec.com\/labs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.compdigitec.com\/labs\/wp-json\/wp\/v2\/comments?post=414"}],"version-history":[{"count":0,"href":"http:\/\/www.compdigitec.com\/labs\/wp-json\/wp\/v2\/posts\/414\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.compdigitec.com\/labs\/wp-json\/wp\/v2\/media?parent=414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.compdigitec.com\/labs\/wp-json\/wp\/v2\/categories?post=414"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.compdigitec.com\/labs\/wp-json\/wp\/v2\/tags?post=414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}