CHAPTER 10
184
Applying Filters, Effects, and Layer Styles
To use the Trace Contour filter:
1 Either choose Filter > Stylize > Trace Contour,
or use the Filters palette to apply the Trace
Contour filter. (If using the palette, select Filter
Options before applying the filter.)
2 Select an Edge option to outline areas in the
selection: Lower outlines where the color values of
pixels fall below the specified level, and Upper
outlines where the color values fall above.
3 Drag the Level slider to specify the edge level for
evaluating color values. Experiment to see what
values bring out the best detail in the image.
Use the Info palette in Grayscale mode to
identify a color value that you want traced.
Then enter the value in the Level text box. (See
“Using the Info palette” on page 17.)
4 Click OK.
Tex ture filters
Use the Texture filters to give an image the
appearance of depth or substance, or to add an
organic look.
Craquelure Paints an image onto a high-relief
plaster surface, producing a fine network of cracks
that follow the contours of the image. Use this
filter to create an embossing effect with images
that contain a broad range of color or grayscale
values. You can set crack spacing, depth, and
brightness in the filter options.
Grain Adds texture to an image by simulating
different kinds of grain. The sprinkles and stippled
grain types use the background color. You can set
grain intensity, contrast, and type in the filter
options.
Mosaic Tiles Draws the image as if it were made
up of small chips or tiles and adds grout between
the tiles. (In contrast, the Pixelate > Mosaic filter
breaks up an image into blocks of different-
colored pixels.) You can set the tile size, grout
width, and grout highlights in the filter options.
Patchwork Breaks up an image into squares filled
with the predominant color in different areas of
the image. The filter randomly reduces or
increases the tile depth to replicate the highlights
and shadows. You can set the square size and relief
in the Patchwork filter options.
Stained Glass Repaints an image as single-colored
adjacent cells outlined in the foreground color.
You can set cell size, border thickness, and light
intensity in the filter options.
Texturizer Allows you to simulate different
texture types or select a file to use as a texture. (For
more information on setting texture options, see
“Using texture and glass surface controls” on
page 167.)
Video filters
The Video filters restrict the gamut of colors to
those acceptable for television reproduction, and
smooth moving images captured on video.
De-Interlace Smooths moving images captured
on video by removing either the odd or even inter-
laced lines in a video image. You can choose to
replace the discarded lines by duplication or inter-
polation.
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