GRAPHICS PRO

November '20

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S I G N A G E & P R I N T I N G T H E D I G I T A L E Y E 5 6 G R A P H I C S P R O N O V E M B E R 2 0 2 0 G R A P H I C S - P R O. C O M Figure 6 (far left). Software automati- cally converts RGB values into other color models. Fig- ure 7 (left). When a color or tonal ad- justment is applied, two sets of numbers are displayed. The number on the right is the initial sample. The number on the left conveniently changes as the ad- justment is made. Figure 3 (top). The pixels that compose a bitmap image are either black or white. Figure 4 (above). A close look at a grayscale image reveals a mosaic of varying shades of gray pixels. Figure 5. Bitmap and grayscale images contain only one channel—a single image in the Channels panel. RGB images contain three channels that are grayscales displayed through red, green, and blue color filters.

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