ed (<a href="command-line-options.html#channel">-channel</a> is ignored). An example:</p>

<pre class="p-3 mb-2 text-body-secondary bg-body-tertiary"><samp>$ magick canvas:'rgb(25%,50%,75%)' rose: -colorspace gray  \
  -format 'Red channel of NW corner of image #%[fx:t] is %[fx:s]\n' info:
Red channel of NW corner of image #0 is 0.464883
Red channel of NW corner of image #1 is 0.184582
</samp></pre>

<p>Here we use the image indexes to <var>rotate</var> each image differently, and use <samp>-set</samp> with