cli"><samp>magick image1.jpg image2.jpg image3.jpg -fx "(u+u[2])/2" image.jpg
</samp></pre>

<p>By default, the image to which <samp>p</samp>, <samp>r</samp>, <samp>g</samp>, <samp>b</samp>, <samp>a</samp>, etc., are applied is the current image <samp>s</samp> in the image list. This is equivalent to <samp>u</samp> except when used in an escape sequence <samp>%[fx:...]</samp>. </p>

<p>It is important to note the special role played by the first image. This is the only image in the image sequence that is mo