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A Review of Digital Terrain Modeling

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Academic year: 2021

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Figure 2: Layered models represent different types of materials organized in a predefined sorting order (bedrock, then sand and rocks, followed by water).
Figure 5: Several iterations of the diamond square algorithm.
Figure 8: A multi-fractal sum of 8 octaves of ridged noises (left) and its warped version (right).
Figure 10: Terrain sketching can produce a variety of landscape features. Peaks, cliffs, a volcanic cone, hills in different  orienta-tions, and a river canyon are sketched in a single terrain, with close-ups and a final rendering (from [GMS09]).
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