The second best way to preview your map is to use professional design software, such as Adobe PhotoShop or Illustrator. Ideally you can also get printed samples during the design process, and a final proof before you make 500 copies. The colors may look a little bright or fluorescent on your monitor, but the printed version should look like the printed samples (see also All black is not the same below). This might include color samples from your printer, with the CMYK values indicated. The best way to see what your printed map will look like is to refer to actual printed samples from the same or similar equipment that will do the final printing. But many colors will come out different than what you expect (especially blues and greens), which can be a deal breaker when color fidelity is important (e.g., your company logo). They'll often be close, and for some colors and shades they'll be close enough. For one thing, the number of possible colors you can make with combinations of CMYK is simply a lot smaller than the RGB color space supports. However if you're designing a map to be printed, the colors on the monitor will not be what you see on paper. If you're designing a map for the web, then what you see is generally what you get (within a small amount of variation due to different types of devices). We all generally design maps with GIS software on monitors which use the RGB color model. Monitors display color using combinations of red, green and blue light (RGB), whereas printers and plotters use four inks - cyan, magenta, yellow, and black (CMYK). Challenges Designing a Map for Print C O L O RĪn essential difference between how colors are reproduced on a monitor and on paper is the color model. This Tech Note reviews these practices in ArcGIS Pro based on our experiences designing a wall map for the University of California Division of Agriculture and Natural Resources. This is applicable to all types of printing including plotters, but is particularly important when designing a map for high quality commercial offset printing. These include using CMYK colors, accounting for the bleed area in the page size, using suitable image files for clipart, exporting at an appropriate resolution, and selecting an appropriate file format when exporting. Designing a map that will ultimately be printed requires some extra measures to ensure color fidelity and the best quality possible on paper.
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