Hi I have a question regarding editing chanel layers in photoshop for a DOTA 2 mask I need to darken a meatal area in the green layer for Rim lighting in DOTA 2 engine but all I seem to be able to do is delete aspects of the chanel e.g. delete red and blue and the image is left with green. Do I edit each layer or do I create 3 different gray scale versions of the imafe and insert them into each chanel some how?
Please help
Cheers Dan
Replies
Ctrl+A select all, Ctrl+Shift+C (copy everything that's visible, rather than, just the layer), then select Red or Green or Blue from the Channels palette, select my white layer then ctrl+v to paste it in. Rinse and repeat for your other channels.
You can also set up the groups to limit their channels (right click on one, properties, untick the boxes you don't want) but for whatever reason, you don't get the same results.
Why is it that if you have a layer with 128,128,128, copy paste that data, select either red/green/blue channel and paste this data, it shows up as a darker shade at 105,105,105. Is this due to photoshop somehow converting the RGB data from the layer in some weird manner? Something to do with linear/gamma space conversion?
I haven't figured this out yet. Probably some logical explanation I bet.
I'd noticed that myself but never done any real investigation into it...
edit; In reply to kodde's post, got beaten to it :P
This issue had me mighty annoyed a week back or so. Never really found any good answer as to why.
Tried that on documents with colour profiles and ones that weren't managed, same result. White and black still stay 1.0 and 0.0, though, so there's some sort of curve being applied.
But setting a group per channel (each group with a 0.5 grey layer) and limiting the channels for each group so there's one each for R, G and B, it gives the correct results when viewing the document's channels individually (i.e. red, green and blue are 0.5 grey).