Render Filters; Sharpen Filters; Sketch Filters - Adobe Photoshop CS6 User Manual

Facet Clumps pixels of solid or similar colors into blocks of like-colored pixels. You can use this filter to make a scanned image look hand-painted
or to make a realistic image resemble an abstract painting.
Fragment Creates four copies of the pixels in the selection, averages them, and offsets them from each other.
Mezzotint Converts an image to a random pattern of black-and-white areas or of fully saturated colors in a color image. To use the filter, choose a
dot pattern from the Type menu in the Mezzotint dialog box.
Mosaic Clumps pixels into square blocks. The pixels in a given block are the same color, and the colors of the blocks represent the colors in the
selection.
Pointillize Breaks up the color in an image into randomly placed dots, as in a pointillist painting, and uses the background color as a canvas area
between the dots.

Render filters

The Render filters create 3D shapes, cloud patterns, refraction patterns, and simulated light reflections in an image. You can also manipulate
objects in 3D space, create 3D objects (cubes, spheres, and cylinders), and create texture fills from grayscale files to produce 3D-like effects for
lighting.
Clouds Generates a soft cloud pattern using random values that vary between the foreground and the background colors. To generate a more
stark cloud pattern, hold down Alt (Windows) or Option (Mac OS) as you choose Filter > Render > Clouds. When you apply the Clouds filter, the
image data on the active layer is replaced.
Difference Clouds Uses randomly generated values that vary between the foreground and background color to produce a cloud pattern. The filter
blends the cloud data with the existing pixels in the same way the Difference mode blends colors. The first time you choose this filter, portions of
the image are inverted in a cloud pattern. Applying the filter several times creates rib and vein patterns that resemble a marble texture. When you
apply the Difference Clouds filter, the image data on the active layer is replaced.
Fibers Creates the look of woven fibers using the foreground and background colors. You use the Variance slider to control how the colors vary
(a low value produces long streaks of color, and a high value results in very short fibers with more varied distribution of color). The Strength slider
controls how each fiber looks. A low setting produces a loose weave, and a high setting produces short, stringy fibers. Click the Randomize button
to change how the pattern looks; you can click the button a number of times until you find a pattern you like. When you apply the Fibers filter, the
image data on the active layer is replaced.
Try adding a gradient map adjustment layer to colorize the fibers.
Lens Flare Simulates the refraction caused by shining a bright light into a camera lens. Specify a location for the center of the flare by clicking
anywhere inside the image thumbnail or by dragging its cross hair.
Lighting Effects Lets you produce myriad lighting effects on RGB images by varying 17 light styles, three light types, and four sets of light
properties. You can also use textures from grayscale files (called bump maps) to produce 3D-like effects and save your own styles for use in other
images. See Add Lighting Effects.
Note: Lighting Effects is unavailable in 64-bit versions of Mac OS.

Sharpen filters

The Sharpen filters focus blurred images by increasing the contrast of adjacent pixels.
Sharpen and Sharpen More Focus a selection and improve its clarity. The Sharpen More filter applies a stronger sharpening effect than does the
Sharpen filter.
Sharpen Edges and Unsharp Mask Find the areas in the image where significant color changes occur and sharpen them. The Sharpen Edges
filter sharpens only edges while preserving the overall smoothness of the image. Use this filter to sharpen edges without specifying an amount. For
professional color correction, use the Unsharp Mask filter to adjust the contrast of edge detail and produce a lighter and darker line on each side of
the edge. This process emphasizes the edge and creates the illusion of a sharper image.
Smart Sharpen Sharpens an image by letting you set the sharpening algorithm or control the amount of sharpening that occurs in shadows and
highlights. This is the recommended way to sharpen if you don't have a particular sharpening filter in mind. See Sharpen using Smart Sharpen.

Sketch filters

Filters in the Sketch submenu add texture to images, often for a 3D effect. The filters also are useful for creating a fine-arts or hand-drawn look.
Many of the Sketch filters use the foreground and background color as they redraw the image. All the Sketch filters can be applied through the
Filter Gallery.
Bas Relief Transforms an image so that it appears carved in low relief and lit to accent the surface variations. Dark areas of the image take on
the foreground color, and light colors use the background color.
Chalk & Charcoal Redraws highlights and midtones with a solid midtone gray background drawn in coarse chalk. Shadow areas are replaced
with black diagonal charcoal lines. The charcoal is drawn in the foreground color; the chalk, in the background color.
Charcoal Creates a posterized, smudged effect. Major edges are boldly drawn, and midtones are sketched using a diagonal stroke. Charcoal is
the foreground color, and the background is the color of the paper.
Chrome Renders the image as if it had a polished chrome surface. Highlights are high points, and shadows are low points in the reflecting
surface. After applying the filter, use the Levels dialog box to add more contrast to the image.
Conté Crayon Replicates the texture of dense dark and pure white Conté crayons on an image. The Conté Crayon filter uses the foreground
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