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DPChallenge Forums >> Tips, Tricks, and Q&A >> beginner's cs2 questions - brain picking time
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 12/29/2006 12:40:52 PM · #1
hi - a couple of q's - maybe someone could help me out

1. I am just getting used to using adjustment layers and then painting on the layer mask - is it possible to do thisd when appl;ying filters - eg gaussian blur ?

2 having drawn on a layer mask is it possible to copy it so that it can be used on anothr layer without having to redraw the whole thing ?

3. Can the layer mask be converterd to a regular selection such as you might make with a lasso tool ?

I have played about with the programme and checked my cs2 for dummies but i can't seem to find the answer

many thanks in advance
 12/29/2006 12:55:44 PM · #2
Originally posted by thelobster:
1. I am just getting used to using adjustment layers and then painting on the layer mask - is it possible to do thisd when appl;ying filters - eg gaussian blur ?


Your timing is perfect. Download the new CS3 beta and you'll find that you can do exactly that! (look into smart objects)

Originally posted by thelobster:

2 having drawn on a layer mask is it possible to copy it so that it can be used on anothr layer without having to redraw the whole thing ?


Yes. Right click and add to selection. If the other layer has a layer mask, delete it. Then click the add layer mask button and it will immediately use the existing selection.

Originally posted by thelobster:

3. Can the layer mask be converterd to a regular selection such as you might make with a lasso tool ?


Yes, see above.

12/29/2006 12:59:06 PM · #3
1. copy the background layer, apply the filter of choice. Add layer mask-->reveal all-->paint with a soft black brush to remove the filter effect from where you want (white will re paint the effect). What it really does is add/remove the mask.
2.To answer both 2. and 3. the mask is automaticly made into a alpha channel which you can load as a selection and then save if you wish.
Channels-->load channel as selection (lower left button).
If you copy the masked layer, the layer mask follows with it. If you wish to apply the same mask somewhere else I suppose you could load the selection and in use it in quick mask mode to recreate the mask.

I hope I understood you questions correctly and was able to help.
 12/29/2006 01:01:09 PM · #4
To a great extent, a "mask" and a "selection" are the same thing. All masks can be converted into selections, and vice versa. If your active layer is one that contains a mask, you can click on "selection/load selection" and the default is "[active layer] mask"; clicking that will load the mask as a selection. You may then open a new layer, or for that matter click on any already-existing layer, and the selection will be there.

I am not sure what you mean by question 1, but if you have selected/masked an area, when you apply filters they will only have an effect on the selected/masked area. Typically I do this by duplicating the layer I want to filter onto, loading the selection/mask, then applying the filter. I can then try different layer modes on the filter, and fade its opacity to suit, or discard it altogether by trashing the layer.

R.
 12/30/2006 12:57:09 AM · #5
Many thanks to all the people who took the time to answer - you all helped a lot
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