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CatGirl
07-08-2007, 17:37
Photoshop Blending Modes Cookbook
"High-Contrast Sketch"
(Pages 68, 69 from the Recipes section of [URL="http://www.amazon.com/exec/obidos/ASIN/0596100205/futura-20/"]Photoshop Blending Modes Cookbook - courtesy of [URL="http://digitalmedia.oreilly.com/"]O\'Reilly Media.)

http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/sketch-intro.jpgCombining the Find Edges filter and the Overlay blending mode can produce a high-contrast sketch effect that works with many types of images. This recipe includes multiple Overlay layers, which boost contrast, so the recipe works particularly well with low-contrast images. In the recipe, I use three Overlay layers—you can use more or fewer, though more than three can produce excessive contrast. Another variation, if the result is too harsh, is to add some Gaussian Blur.

STEP 1
In the Layers palette, duplicate the original image layer by dragging the background layer onto the "Create a new layer" icon, or use Ctrl/Cmd-J.

STEP 2
Using the pull-down blending mode menu in the Layers palette, change the duplicate layer's blending mode to Overlay (or alternatively use the shortcut Alt/Opt-Shift-O) and rename it "Overlay 1."

STEP 3
Reduce the Overlay 1 layer's opacity to 60%.

STEP 4
Apply Filter > Stylize > Find Edges to the Overlay 1 layer.

STEP 5
Use Ctrl/Cmd-J to duplicate the Overlay 1 layer. Name the new layer "Overlay 2."

STEP 6
Use Ctrl/Cmd-F to apply Filter > Stylize > Find Edges to the Overlay 2 layer.

STEP 7
Repeat steps 5 and 6. An easy way to do this is to use Ctrl/Cmd-J followed by Ctrl/Cmd-F.

Direct Contrast
This recipe always adds contrast to the image, which this early morning shot needed.


http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/sketch1a.jpg
http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/sketch1-box.jpg
Settings on all 3 layers are Opacity: 60, Fill: 100

Detailed Contrast
Pictures with plenty of detail are naturally suited to the Find Edges filter.



http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/sketch2a.jpg
http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/sketch2b.jpg
http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/sketch2-box.jpg
Settings on all 3 layers are Opacity: 60, Fill: 100

Soft Contrast
Some subjects deserve a gentler treatment, so here I applied Gaussian Blur to the middle Overlay layer.


http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/soft-contrast-1.jpg
http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/soft-contrast-2.jpg
http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/soft-contrast-box.jpg
Settings on all 3 layers are Opacity: 60, Fill: 100

CatGirl
07-08-2007, 17:38
Stark Contrast
This shot, taken in crisp, winter light, was already high-contrast, so I applied Gaussian Blur to the middle Overlay layer.



http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/stark-contrast-1.jpg
http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/stark-contrast-2.jpg
http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/stark-contrast-box.jpg
Settings on all 3 layers are Opacity: 60, Fill: 100

Brassed Off
As an alternative, I applied the Emboss filter on the top layer. This produced a more textured finish.



http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/band-1.jpg
http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/band-2.jpg
http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch/band-box.jpg
Settings on all 3 layers are Opacity: 60, Fill: 100

Copyright © 2005 The llex Press Limited - All rights reserved. No part of this book may be reproduced in any form, by photostat, microfilm, xerography, or any other means, or incorporated into any information retrieval system, either electronic or mechanical, without the written permission of the copyright owner (http://www.photoshopsupport.com/tutorials/or/high-contrast-sketch.html)

belkamc2
28-05-2009, 04:14
thanks!

an1
11-08-2009, 10:16
cool! thanks!

zholly
29-12-2009, 12:57
nice!up!!!

Signum
08-03-2011, 12:56
Very useful! Thanks, I will try it myself.

joy4ever
14-09-2011, 18:58
you made it soooo easy for me ... i was turning around and around and.......


thank you