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Photoshop 6 tutorial: How to Create Basic Colored Shaded Relief

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To create relief in Photoshop you need first to get a grayscale to height image. into the program. I will not go into details for this tutorial ...

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Photoshop 6 tutorial: How to Create Basic Colored Shaded ReliefPage 1Photoshop 6 tutorial: How to Create Basic ColoredShaded ReliefAlex TaitInternational Mapping Associates5300 Dorsey Hall Drive Ellicott City MD 21042alex@internationalmapping.comPublishe d in Cartographic Perspectives Number 42 Spring 2002 by NorthAmerican Cartographic Information Society.INTRODUCTIONAdobe Photoshop is the graphic arts industry standard software for raster imagemanipulation. Cartographers can also use Photoshop to create effective coloredshaded relief for maps.Terrain image ofMount Moran Quadrangle WyomingPage 2One important advantage in using Photoshop to create shaded relief is that offamiliarity. Most cartographers and graphic artists have Photoshop on theirdesktop and are skilled in using it for working with images. It is an extremelypowerful imageediting tool and a skilled cartographer can make manyenhancements to a shaded relief map image once it is rendered.What you will needAdobe Photoshop 6 or 7 running in MacOS or WindowsDigital elevation file converted to a grayscale to height image (for thesample image used in this tutorial go tohttp://www.equatorgraphics.com/nacis/mt_ moran_g2h.tif)Grayscale to Height preparation (optional)To create relief in Photoshop you need first to get a grayscale to height imageinto the program. I will not go into details for this tutorial I will simply use agrayscale image created using MacDEM a remarkably powerful yet simpleapplication that is a vital part of many a cartographers toolbox (available athttp://www.treeswallow.com/macdem/ ).There are numerous other ways to bring in digital elevation data includingopening some data files directly into Photoshop in RAW format. See TomPattersons excellent tutorials on working with GTOPO 30 data for an example:http://www.nacis.org/cp/cp28/gtopo .html.ELEVATIONCOLORED SHADED RELIEFColoring physical terrain by elevation is known as hypsometric tinting. This is aneffective way to portray terrain when combine ...

Source: www.internationalmapping.com

 

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