Sign & Digital Graphics

February '19

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46 • February 2019 • S I G N & D I G I T A L G R A P H I C S DIGITAL PRINTING AND FINISHING DIGITAL GRAPHICS CR2 (Camera Raw) format collects a wide range of data from a digital camera and enables the adjustment of numerous characteristics of an image in a unique and extensive interface. (Figure 6). PSB (Large Document format) is a Photoshop format designed specifically for enormous images. PSB supports doc- ument sizes of up to 300,000 x 300,000 pixels. GIF (Graphic Interchange Format) supports 8 bits per pixel bitmaps for a single image that references a specific color palette of up to 256 different colors (Figure 7). It also supports animations. Palette limitations make GIF less suit- able for reproducing color photographs or images with fine gradients, but it is well-suited for simpler images such as graphics with solid areas of color or web images. GIF uses LZW compression and a limited bit depth to produce smaller file sizes. Figure 6: The Camera Raw format collects a wide range of data from a digital camera and enables the adjustment of numerous characteristics of an image. Figure 7: GIF images use a predefined color palette of up to 256 colors to reduce file size. Figure 8: Photoshop's Save As dialog box offers several graphic formats to choose from.

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