Applying Specific Filters; Load Images And Textures For Filters; Set Texture And Glass Surface Controls; Defining Undistorted Areas - Adobe Photoshop CS6 User Manual

Applying specific filters

Load images and textures for filters

Set texture and glass surface controls

Defining undistorted areas

Apply the Dust And Scratches filter
Apply the Displace filter
Apply the Color Halftone filter
Apply the Extrude filter
Apply the Trace Contour filter
Create a Custom filter
Load images and textures for filters
To produce their effects, some filters load and use other images, such as textures and displacement maps. These filters include the Conté Crayon,
Displace, Glass, Lighting Effects, Rough Pastels, Texturizer, Underpainting, and Custom filters. Not all of these filters load images or textures in
the same way.
1. Choose the filter you want from the appropriate submenu.
2. In the filter's dialog box, choose Load Texture from the Texture pop-up menu, and locate and open a texture image.
All textures must be in the Photoshop format. Most filters use only the grayscale information of a color file.
Set texture and glass surface controls
The Rough Pastels, Underpainting, Glass, Conté Crayon, and Texturizer filters have texturizing options. These options make images appear as if
they were painted onto textures such as canvas and brick, or viewed through surfaces such as glass blocks or frosted glass.
1. From the Filter menu, choose Artistic > Rough Pastels, Artistic > Underpainting, Distort > Glass, Sketch > Conté Crayon, or Texture >
Texturizer.
2. For Texture, choose a texture type or choose Load Texture to specify a Photoshop file.
3. Drag the Scaling slider to increase or reduce the size of the texture pattern.
4. Drag the Relief slider (if available) to adjust the depth of the texture's surface.
5. Select Invert to reverse the shadows and highlights in the texture.
6. For Light Direction (if available), indicate the direction from which the light source sheds light on the texture.
Defining undistorted areas
The Displace, Shear, and Wave filters in the Distort submenu and the Offset filter in the Other submenu let you treat areas undefined (or
unprotected) by the filter in the following ways:
Wrap Around Fills the undefined space with content from the opposite edge of the image.
Repeat Edge Pixels Extends the colors of pixels along the edge of the image in the direction specified. Banding may result if the edge pixels are
different colors.
Set To Background (Offset filter only) Fills the selected area with the current background color.
Apply the Dust And Scratches filter
1. Choose Filter > Noise > Dust & Scratches.
2. If necessary, adjust the preview zoom ratio until the area containing noise is visible.
3. Drag the Threshold slider left to 0 to turn off the value so that all pixels in the selection or image can be examined.
The Threshold value determines how dissimilar the pixels should be before they are eliminated.
Note: The Threshold slider gives greater control for values between 0 and 128—the most common range for images—than for values
between 128 and 255.
4. Drag the Radius slider left or right, or enter a value in the text box from 1 to 16 pixels. The Radius value determines the size of the area
searched for dissimilar pixels.
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