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Selecting Input Channels
A node’s channels field lets you select one or several channels for processing.
To Select a Single Input Channel
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Open the properties panel of the node into which you wish to feed a channel. |
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From the channels field, select none. |
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From the right most channel field - the one which typically calls the alpha channel - select the single channel you wish to process. |
To Select Multiple Input Channels
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Open the properties panel of the node into which you wish to feed channels. |
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From the channels field, select the layer containing the channels you wish to process. |
The layer’s channels appear with check boxes.
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Deselect those channels which you don’t wish to process. The node processes all those you leave selected. |