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ワンライナーで色相を変えた画像をたくさん作る

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知ってると意外と便利かもしれない。ImageMagickを使用したワンライナー。
色を変えた画像をたくさん作れるので、見てるだけでも結構楽しい。

コマンド

# 環境
$ ls
target.png
$ mkdir results

# 変換スクリプト
$ seq 100 300 | xargs -n1 -I{} convert target.png -modulate 100,100,{} results/target_{}.png

解説

seqで100-300の数字を作り出し、色相パラメータを変えてコマンドを回す。
100が通常状態、300まで回すとちょうど色相環一周とのこと。

参考

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