Adobe 29180155 User Guide - Page 195

ADOBE PHOTOSHOP ELEMENTS 4.0 190 User Guide 3 Specify the gradient fill you want to use: • To choose from a list of gradient fills, click the triangle to the right of the gradient fill displayed in the Gradient Map dialog box. Click to select the desired gradient fill, and then click in a blank area of the dialog box to dismiss the list. • To edit the gradient fill currently displayed in the Gradient Map dialog box, click the gradient fill. Then modify the existing gradient fill or create a new gradient fill. By default, the shadows, midtones, and highlights of the image are mapped respectively to the starting (left) color, midpoint, and ending (right) color of the gradient fill. 4 Select neither, one, or both of the Gradient Options: • Dither adds random noise to smooth the appearance of the gradient fill and reduce banding effects. • Reverse switches the direction of the gradient fill, reversing the gradient map. 5 Click OK. See also "About filters" on page 183 "To apply a filter" on page 185 "About adjustment and fill layers" on page 95 "About gradients" on page 239 Invert The Invert filter inverts the colors in an image. You might use this command to make a positive black-and-white image negative or to make a positive from a scanned black-and-white negative. Note: Because color print film contains an orange mask in its base, the Invert command cannot make accurate positive images from scanned color negatives. Be sure to use the proper settings for color negatives when scanning film on slide scanners. When you invert an image, the brightness value of each pixel is converted to the inverse value on the 256-step colorvalues scale. For example, a pixel in a positive image with a value of 255 is changed to 0. To apply the Invert filter 1 In the Editor, select an image, layer, or area. 2 Choose Filter > Adjustments > Invert. See also "To apply a filter" on page 185 "About adjustment and fill layers" on page 95