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- <title>3.11. Channel Mixer</title>
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- <th colspan="3" align="center" id="chaptername">3. Color filters</th>
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- <h3 class="title"><a id="plug-in-colors-channel-mixer"></a>3.11. Channel Mixer</h3>
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- <p>
- This filter is found in
- <span class="guimenuitem">Image>Filters/Colors/Channel Mi<span class="accel">x</span>er</span>
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- This filter combine values of the RGB channels.
- It works with images with or without an alpha channel.
- It has monochrome mode, preview.
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- <span class="term">Output Channel</span>
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- <dd>
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- From this menu you select the channel to mix to. Choices are Red, Green, or Blue.
- It is insensitive when <span class="guilabel">Monochrome</span> option is checked.
- </p>
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- <dt>
- <span class="term">Red, Green, Blue</span>
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- <dd>
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- This three sliders set the contribution of red, green or blue channel to output. Can be negative.
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- <span class="term">Monochrome</span>
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- <dd>
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- Sets all output channels to be the same. Makes the <span class="guilabel">Output Channel</span>
- menu insensitive.
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- <span class="term">Preserve Luminosity</span>
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- Maintains the luminosity at 100% regardless of the channel slider settings.
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- <span class="term">Save</span>
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- Save settings to a file.
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- <span class="term">Open</span>
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- Load settings from a file.
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