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A raised-relief map, terrain model or embossed map is a three-dimensional representation, usually of terrain, materialized as a physical artifact. When representing terrain, the vertical dimension is usually exaggerated by a factor between five and ten; this facilitates the visual recognition of terrain features.
An illustration of the resolution bumping technique of shaded relief, Bitterroot Mountains and Salmon River, Montana/Idaho. Left: 200 m resolution shaded relief, middle: shaded relief after 7000 m smoothing filter, right: 65%/35% mix. The original image looks uniformly rugged, while the one on the right emphasizes the larger mountains and canyons.
Shaded relief map of the United States, showing 10 geological provinces. The richly textured landscape of the United States is a product of the dueling forces of plate tectonics, weathering and erosion. Over the 4.5 billion-year history of the Earth, tectonic upheavals and colliding plates have raised great mountain ranges while the forces of ...
This page introduces how to merge several tiles into one, which is then easier to stylize, and to treat (shaded relief). It also introduces how to create shaded relief through Gdaldem hillshade or the QGis Shaded relief plugin, and the associated GIMP whitening to improve this relief.
Shaded relief map of New Jersey Main article: Terrain cartography § Shaded relief Another useful product derived from the terrain surface is a shaded relief image, which approximates the degree of illumination of the surface from a light source coming from a given direction.
Launch the module <r.shaded.relief> 1. Open GRASS and enter into the project that follows a UTM projection. Launch the module r.shaded.relief (Raster-> Terrain analysis-> Shaded relief). Enter the information 2. In the module window, click on the button of the Input elevation map: field and select the DEM map which has previously been imported ...
In computer graphics, relief mapping is a texture mapping technique first introduced in 2000 [1] used to render the surface details of three-dimensional objects accurately and efficiently. [2] It can produce accurate depictions of self-occlusion, self-shadowing, and parallax. [3] It is a form of short-distance ray tracing done in a pixel shader.
Relief map or mapping may refer to: Raised-relief map, a 3D physical representation of terrain; Relief mapping (computer graphics), the 3D digital rendering of texture, which may simulate shadows; Topographic map, a 2D depiction of terrestrial relief, using terrain cartography