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<ul class="navigation"><li class="prev"><a accesskey="p" class="prev" href="WS0BD8F891-6D5E-4376-ACA5-97204178F8BCa.html" title="Rearrange and rename alpha and spot channels"><img src="images/blank.gif" alt="Previous" width="17" height="17" /></a></li><li class="next"><a accesskey="n" class="next" href="WSCC832F92-8FE5-4839-93D2-108942A68321a.html" title="Split channels into separate images"><img src="images/blank.gif" alt="Next" width="17" height="17" /></a></li></ul><div class="hierarchy" id="hierarchy"><a href="WSfd1234e1c4b69f30ea53e41001031ab64-7701a.html">Selecting and masking</a> /
     <a href="WS6EC2A68B-AE8D-4987-87E2-28272B744445a.html"><b>Channels</b></a> 
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                <h1>
                    Duplicate channels
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                <br clear="both" /><div id="minitoc"><div class="t"><div class="b"><div class="l"><div class="r"><div class="bl"><div class="br"><div class="tl"><div class="tr"><div><h3>Contents [<a href="#" onclick="return toggleMiniToc('minitoc-links', this);" class="hideLink">Hide</a>]</h3><ul id="minitoc-links"><li><p><a href="#WS804D8654-490F-4d7b-9173-EA93D740C069a"><h1 class="topictitle1">Duplicate a channel</h1>
</a></p></li><li><p><a href="#WSBCFB1BBE-431B-4893-A7B2-B64E0FE28E62a"><h1 class="topictitle1">Duplicate a channel in an image</h1>
</a></p></li><li><p><a href="#WSE8A2CBA2-478B-4318-9664-DB71E4966895a"><h1 class="topictitle1">Duplicate a channel in another image</h1>
</a></p></li></ul></div></div><br clear="both" /></div></div></div></div></div></div></div></div><br clear="both" /><div><div class="section"><p>You can copy a channel and use it in the current
image or another image.</p>
</div>
</div>
<div id="WS804D8654-490F-4d7b-9173-EA93D740C069a" class="nochunk"><a name="WS804D8654-490F-4d7b-9173-EA93D740C069a"></a><h3 class="topictitle3">Duplicate a channel</h3><div><div class="section"><p>If
you are duplicating alpha channels between images, the channels
must have identical pixel dimensions. You cannot duplicate a channel
to a Bitmap‑mode image.</p>
</div>
<ol><li><span>In
the Channels panel, select the channel to duplicate.</span></li>
<li><span>Choose Duplicate Channel from the Channels panel menu.</span></li>
<li><span>Type a name for the duplicate channel.</span></li>
<li><span>For Document, do one of the following:</span><ul><li><p>Choose a destination. Only open images
with pixel dimensions identical to the current image are available.
To duplicate the channel in the same file, select the channel’s
current file. </p>
</li>
<li><p>Choose New to copy the channel to a new image, creating
a multichannel image containing a single channel. Type a name for
the new image. </p>
</li>
</ul>
</li>
<li><span>To reverse the selected and masked areas in the duplicate
channel, select Invert. </span></li>
</ol>
</div></div>
<div id="WSBCFB1BBE-431B-4893-A7B2-B64E0FE28E62a" class="nochunk"><a name="WSBCFB1BBE-431B-4893-A7B2-B64E0FE28E62a"></a><h3 class="topictitle3">Duplicate a channel in an image</h3><div><ol><li><span>In the Channels panel, select the channel
you want to duplicate.</span></li>
<li><span>Drag the channel onto the Create New Channel button&#160;<img src="images/P_New_Wi_N.png" /> at
the bottom of the panel.</span></li>
</ol>
</div></div>
<div id="WSE8A2CBA2-478B-4318-9664-DB71E4966895a" class="nochunk"><a name="WSE8A2CBA2-478B-4318-9664-DB71E4966895a"></a><h3 class="topictitle3">Duplicate a channel in another image</h3><div><ol><li class="stepexpand"><span>In the Channels panel, select the channel
you want to duplicate.</span></li>
<li class="stepexpand"><span>Make sure that the destination image is open.</span> <div class="note"><span class="notetitle">Note:  </span>The destination image does not have to have the same
pixel dimensions as the duplicated channel.</div>
</li>
<li class="stepexpand"><span>Do one of the following:</span><ul><li><p>Drag the channel from the Channels panel
into the destination image window. The duplicated channel appears
at the bottom of the Channels panel.</p>
</li>
<li><p>Choose Select&#160;&gt; All, and then choose
Edit&#160;&gt; Copy. Select the channel in the destination image
and choose Edit&#160;&gt; Paste. The pasted channel overwrites
the existing channel.</p>
</li>
</ul>
</li>
</ol>
</div></div>

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