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Photoshop F.A.Q (Last Updated: 2024 Nov 04 10:41 pm)

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Subject: grunge maps?

bluevenus opened this issue on May 29, 2002 · 8 posts
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bluevenus ( ) posted Wed, 29 May 2002 at 8:04 PM · edited Thu, 31 October 2024 at 9:28 PM

Hello all :) I am a newbie at Photoshop, I really have just used it so far to mess around with contrast and saturation, really simple things like that. Now, however, I have a specific goal in mind but I have no idea how to do it! I'd like to create a texture with a grunge map - what I mean by this is to have one layer with sort of your basic texture, and then another layer on top of that for scratches, dirt, etc. How to I configure the transparency of the grunge layer for what I want? So that the lighter parts are more transparent and the darker parts show up more.. I hope this was coherant, and any help would be very appreciated. Thanks so much! -Jenna

dreamer101 ( ) posted Wed, 29 May 2002 at 8:38 PM

You can do a White Wash. The Whitewash filter works on the Alpha channel of an image (or a layer). The closer to white a pixel is, the more transparent it becomes. It uses a simpler algorithm to determine the 'whiteness' of the pixel. It's a free download. Red Prince Whitewash Alpha Channel

dreamer101 ( ) posted Wed, 29 May 2002 at 9:12 PM

Here is a better link. It has the 3 filters on it

Eliminate White
Elminate Black
Red Prince Whitewash

Eliminate It!

bluevenus ( ) posted Thu, 30 May 2002 at 7:37 AM

Awesome.. Thanks!

eartho ( ) posted Thu, 30 May 2002 at 10:37 PM

an easier way might be to just applying a layer blending mode, like Multiply. In your layer palette.... Taking this approach is much more interesting cause you can try all the different blending modes to achieve a variety of effect.

eartho ( ) posted Thu, 30 May 2002 at 10:40 PM

an easier way might be to just applying a layer blending mode, like Multiply. In your layer palette.... Taking this approach is much more interesting cause you can try all the different blending modes to achieve a variety of effect.

retrocity ( ) posted Fri, 31 May 2002 at 7:59 AM

The "blending modes" available in the layers really do open up the possibilities for making some interesting textures...

the "darken", "multiply", "color/line burn" ones darken the underlying image

the "lighten", "screen" "color/line dodge" ones lighten the underlying image

the "overlay", "soft light", "hard light" ones add contrast to the underlying image

the "difference" and "exclusion" ones apply certain qualities of the active image to the underlying image

EXPERIMENT and have a blast!

:)

bluevenus ( ) posted Fri, 31 May 2002 at 7:53 PM

I will try these. Thanks for all the suggestions :)

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