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<p>As of IM v6.6.1-6, if the special '<kbd>Sync</kbd>' flag is not specified
(enabled by default) with the <a href="../www/command-line-options.html#channel"
>-channel</a> setting, then the above mathematical compositions will nolonger
-syncronise its actions with the alpha channel. Instead the math composition
+synchronise its actions with the alpha channel. Instead the math composition
will be applied on an individual channel basis as defined by the <a
href="../www/command-line-options.html#channel"
>-channel</a>. This includes the alpha channel. This special usage
attribute of '<kbd class="arg">compose:args</kbd>'. This means you can now
make use of these special argumented <a href="../www/command-line-options.html#compose"
>-compose</a> methods, those the argument and the method both need to be set
-separatally. For example... </p>
+separately. For example... </p>
<p class='crt'><span class="crtprompt"> $magick> </span><span class='crtin'>convert ... -compose blend -define compose:args=50,50 -composite ...</span></p>
<p>The following is a table of these special 'argumented' compose methods,
each point of the overlaid area. Much like the displacement map is a
'lens' that distorts the original 'background' image behind it.
<br><br>
- The X-scale is modilated by the 'red' channel of the overlay image
+ The X-scale is modulated by the 'red' channel of the overlay image
while the Y-scale is modulated by the green channel, (the mask image
if given is rolled into green channel of the overlay image. This
separation allows you to modulate the X and Y lookup displacement
- separatally allowing you to di 2 dimentional displacements, rather
- than 1 dimentional verctored displacements (using grayscale image).
+ separately allowing you to do 2-dimensional displacements, rather
+ than 1-dimensional verctored displacements (using grayscale image).
<br><br>
If the overlay image contains transparency this is used as a mask
of the resulting image to remove 'invalid' pixels.
projects / imagemagick / blobdiff