On Jan 22, 2004, at 7:05 AM, SimonMartin wrote:
I'm looking for recommendations/suggestions on how to add textures to people's skin. Making human skin look as if it is made up of fish scales for instance.
Generally, texture can be added in an Overlay layer. Place a grayscale version of the desired texture in an "Overlay" layer (change the layer apply mode to Overlay) – values that are darker than mid-gray in the Overlay layer will darken the underlying layer, lighter values will lighten the underlying layer. This is also a good way to add noise or film grain effects.
In the case of a regular repeating texture like fish scales you might need to distort the pattern to fit the underlying contours. Though you could probably get a serviceable effect using "Liquify", this is probably best achieved using a displacement map built from the original image – make a grayscale copy of your original & blur it slightly. When you run Filter-> Distort-> Displace... load this blurred grayscale copy in the resulting dialog & set the scale values to 10-20 or thereabouts. Displace maps are kind of confusing so it will take some experimentation to get the hang of it. You can check out Russell Browns displacement tricks called "Wave of the Future" and "Wave of the Past" at:
http://www.russellbrown.com/tips/photoshop.html
best regards,
Lee Varis
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