Photoshop’s Pass Through Mode

When you open a  New Group dialogue box, you might notice that there’s something a little different in there, ‘Pass Through’. What, you may ask is all that about? Well, let’s take a look.

Here’s the layers that I’ll be working on;

1

You can see I have a bottom layer of a photo of balloons then another layer on top of that of the ‘birthday boy’.

Now I’m going to add a Black and White adjustment layer to the top, with a sepia tint.

2

Click to Enlarge

Click to Enlarge

All’s as we’d expect, but I’d like to just have the Birthday Boy in sepia. I’m going to put the Adjustment Layer and the Birthday Boy layer into a group folder by clicking the folder icon at the bottom of the layer palette , I’ll call it Photo, then drag the layers in.

4_group

Nothing on my file seems to change here and that’s ok. Most of the time I’d have popped them into a group just to tidy up a bit.

I’m going to head over to the layer pallet and change the blend mode of the group from Pass Through to Normal.

5_change_BM

That’s better, that’s what I was after,

Click To Enlarge

Click To Enlarge

The Explanation

Using Pass Through keeps the adjustment layer active on all the layers below it.

Using anything else will mean it only effects the layers below it that are within the same group.

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About the author

Eric 'TipSquirrel' Renno wrote 163 articles on this blog.

Based in the UK, TipSquirrel has what some have described as an 'unnatural obsession' with Photoshop.

An avid Twitter fan, TipSquirrel can often be found sharing links from TipSquirrel.com and other sites. This account also has him jibbering away about tea, scones, biscuits and anything else that randomly pops into his tiny little brain.

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TipSquirrel is afraid of crows.

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2 Responses to Photoshop’s Pass Through Mode

  1. Jack on February 8, 2011 at 1:33 pm

    Use this quite often with adjustment layers – it’s not the most obvious thing though!

  2. Digital Lady Syd on May 5, 2011 at 3:38 pm

    It had never occurred to me to do this – might be useful instead of clipping all those adjustment layers. Thanks for the tip!

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