Editing Digital Images
Adjusting Levels
Use the Levels dialog box to map the brightness values in the image to new values. The original values are the input values; the new values are the output values. In the Channel drop-down box, select the color channel to edit. You can edit all the R/G/B values simultaneously or select a single channel. In the Channel drop-down box, select the color channel to edit. You can edit all the R/G/B values simultaneously or select a single channel.Moving the slider represents moving around the color wheel. 0 is red; 43 is yellow; 85 is green; 128 is cyan; 170 is blue; 213 is magenta; 255 is back to red.
Printing and Displaying Digital Images
