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A circle of radius 23 drawn by the Bresenham algorithm. In computer graphics, the midpoint circle algorithm is an algorithm used to determine the points needed for rasterizing a circle. It is a generalization of Bresenham's line algorithm. The algorithm can be further generalized to conic sections. [1] [2] [3]
Force-directed graph drawing algorithms assign forces among the set of edges and the set of nodes of a graph drawing.Typically, spring-like attractive forces based on Hooke's law are used to attract pairs of endpoints of the graph's edges towards each other, while simultaneously repulsive forces like those of electrically charged particles based on Coulomb's law are used to separate all pairs ...
Clipping, in the context of computer graphics, is a method to selectively enable or disable rendering operations within a defined region of interest. Mathematically, clipping can be described using the terminology of constructive geometry. A rendering algorithm only draws pixels in the intersection between the
Lathe (graphics) Level of detail (computer graphics) Light field; Light transport theory; Lightmap; Line clipping; Line drawing algorithm; Local coordinates; Low-discrepancy sequence; Low poly; Marching cubes; Marching squares; Marching tetrahedra; Mask (computing) Mesh generation; Metropolis light transport; Micropolygon; Minimum bounding box ...
A comparison of 5 clipping libraries at rogue-modron.blogspot.com; A commercial library for 3D Boolean operations: sgCore C++/C# library. The comp.graphics.algorithms FAQ, solutions to mathematical problems with 2D and 3D Polygons. Matthias Kramm's gfxpoly, a free C library for 2D polygons (BSD license).
In computer graphics, a line drawing algorithm is an algorithm for approximating a line segment on discrete graphical media, such as pixel-based displays and printers. On such media, line drawing requires an approximation (in nontrivial cases). Basic algorithms rasterize lines in one color.
One of earliest was the escape time algorithm. [14] Colour banding may appear in images depending on the method of coloring used as well as gradient color density. Some programs generate geometric self-similar or deterministic fractals such as the Koch curve. These programs use an initiator followed by a generator that is repeated in a pattern ...
A circle with five chords and the corresponding circle graph. In graph theory, a circle graph is the intersection graph of a chord diagram.That is, it is an undirected graph whose vertices can be associated with a finite system of chords of a circle such that two vertices are adjacent if and only if the corresponding chords cross each other.