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  2. Digital elevation model - Wikipedia

    en.wikipedia.org/wiki/Digital_elevation_model

    The OpenDemSearcher is a Mapclient with a visualization of regions with free available middle and high resolution DEMs. [ 44 ] STL 3D model of the Moon with 10× elevation exaggeration rendered with data from the Lunar Orbiter Laser Altimeter of the Lunar Reconnaissance Orbiter

  3. Texture mapping - Wikipedia

    en.wikipedia.org/wiki/Texture_mapping

    Texture mapping can both refer to the task of unwrapping a 3D model, the abstract that a 3D model has textures applied to it and the related algorithm of the 3D software. Texture map refers to a Raster graphics also called image, texture. If the texture stores a specific property it's also referred to as color map, roughness map...

  4. Image texture - Wikipedia

    en.wikipedia.org/wiki/Image_texture

    Artificial texture example. Natural texture example. An image texture is the small-scale structure perceived on an image, based on the spatial arrangement of color or intensities. [1] It can be quantified by a set of metrics calculated in image processing. Image texture metrics give us information about the whole image or selected regions. [1]

  5. Perlin noise - Wikipedia

    en.wikipedia.org/wiki/Perlin_noise

    Two-dimensional slice through 3D Perlin noise at z = 0. Perlin noise is a type of gradient noise developed by Ken Perlin in 1983. It has many uses, including but not limited to: procedurally generating terrain, applying pseudo-random changes to a variable, and assisting in the creation of image textures.

  6. Displacement mapping - Wikipedia

    en.wikipedia.org/wiki/Displacement_mapping

    Displacement mapping is an alternative computer graphics technique in contrast to bump, normal, and parallax mapping, using a texture or height map to cause an effect where the actual geometric position of points over the textured surface are displaced, often along the local surface normal, according to the value the texture function evaluates to at each point on the surface. [1]

  7. Projection augmented model - Wikipedia

    en.wikipedia.org/wiki/Projection_augmented_model

    Importantly, the physical model is the same geometric shape as the object that the PA model depicts. For example, the image projected onto the objects shown in Figure 3 provides colour and visual texture, which makes them appear to be made from different materials. Figure 3 An example of a Projection Augmented model (inset - with the projection ...

  8. Circle Limit III - Wikipedia

    en.wikipedia.org/wiki/Circle_Limit_III

    The alternated octagonal tiling, a hyperbolic tiling of squares and equilateral triangles, overlaid on Escher's image. Escher seems to have believed that the white curves of his woodcut, which bisect the fish, represent hyperbolic lines in the Poincaré disk model of the hyperbolic plane, in which the whole hyperbolic plane is modeled as a disk in the Euclidean plane, and hyperbolic lines are ...

  9. Wikipedia:Featured picture candidates/July-2006 - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Featured_picture...

    This image is now present at Hummingbird#Hummingbirds_and_people. –ArmadniGeneral (talk • contribs) 02:31, 23 June 2006 (UTC) Okay I will go ahead and support now. While the feeder is a little distracting the image is very high res and the difficulty of taking such a picture is understandable. Sorry Guy 02:39, 23 June 2006 (UTC) Edit 1

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