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Sharpening on red channel luminosity layer


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Hi

I am trying to sharpen an image by using only the red channel as luminosity layer on top of the background layer. In PS its easy but with AP the image stays grey. Also in AP all the layers change to the red channel, while in PS the selected top luminosity layer is based only on the red channel and other layers keep their RGB colours.

Hope it makes sense.

Regards

Antonius

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28 minutes ago, >|< said:

 

You can clear the unwanted channels of an RGB Pixel object:

  1. ensure the Pixel object is selected in Layers panel
  2. in Channels panel, right-click the thumbnail of each unwanted channel of the Pixel object (not a Composite channel) and pick Clear.

 

 

This is a good workaround, but destructive. Once you cleared a channel, you cannot re-load it unless you saved it as a spare channel beforehand :)

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