dified, other images are used only for their data. As an illustrative example, consider the following, and note that the setting <a href="command-line-options.html#channel">-channel red</a> instructs <a href="command-line-options.html#fx">-fx</a> to modify only the green channel; nothing in the red or blue channels will change. It is instructive to ponder why the result is not symmetric.</p>

<pre class="p-3 mb-2 text-body-secondary bg-body-tertiary cli"><samp>magick logo: -flop logo: -resize "20%" -channel