computational geometry, a sweep line algorithm or plane sweep algorithm is an algorithmic paradigm that uses a conceptual sweep line or sweep surface to solve...
4 KB (513 words) - 08:05, 1 May 2025
computational geometry, the Bentley–Ottmann algorithm is a sweep line algorithm for listing all crossings in a set of line segments, i.e. it finds the intersection...
24 KB (3,312 words) - 13:18, 19 February 2025
Fortune's algorithm is a sweep line algorithm for generating a Voronoi diagram from a set of points in a plane using O(n log n) time and O(n) space. It...
10 KB (1,544 words) - 04:12, 15 September 2024
Rotating calipers (category Geometric algorithms)
calipers can be interpreted as the projective dual of a sweep line algorithm in which the sweep is across slopes of lines rather than across x- or y-coordinates...
11 KB (1,296 words) - 18:43, 24 January 2025
Dynamic programming Greedy algorithm Recursion Prune and search Kernelization Iterative compression Sweep line algorithms Rotating calipers Randomized...
1 KB (80 words) - 08:18, 27 February 2024
of segments is to use a sweep line algorithm, where we imagine a line sliding across the line segments and we track which line segments it intersects at...
4 KB (366 words) - 06:32, 3 March 2025
smoothing: an algorithm to smooth a polygonal mesh Line segment intersection: finding whether lines intersect, usually with a sweep line algorithm Bentley–Ottmann...
72 KB (7,951 words) - 17:13, 5 June 2025
tool Sweep account, a kind of bank account Sweep line algorithm, a concept in computational geometry Sweeps, a regional English term for windmill sails...
3 KB (420 words) - 15:05, 5 January 2025
Boolean operations on polygons (category Geometric algorithms)
on polygons tend to use plane sweep algorithms (or Sweep line algorithms). A list of papers using plane sweep algorithms for Boolean operations on polygons...
7 KB (704 words) - 13:42, 9 June 2025
Computational geometry (section List of algorithms)
smoothing: an algorithm to smooth a polygonal mesh Line segment intersection: finding whether lines intersect, usually with a sweep line algorithm Bentley–Ottmann...
15 KB (2,106 words) - 15:15, 19 May 2025
partitioned into monotone subpolygons in O(n log n) time using a sweep-line approach. The algorithm does not require the polygon to be simple, thus it can be...
13 KB (1,386 words) - 18:20, 13 April 2025
Michael Ian Shamos (category Researchers in geometric algorithms)
in computational geometry, and is known for the Shamos–Hoey sweep line algorithm for line segment intersection detection and for the rotating calipers...
3 KB (320 words) - 00:25, 27 December 2024
algorithm for hidden-line elimination. Internat. J. Computer Mathematics, 18(2):93–119, 1985. O. Nurmi. A fast line-sweep algorithm for hidden line elimination...
11 KB (1,403 words) - 07:55, 25 March 2024
Tracing garbage collection (redirect from Mark–sweep algorithm)
other algorithms. The technique is also known as stop-and-copy. Cheney's algorithm is an improvement on the semi-space collector. A mark and sweep garbage...
37 KB (5,282 words) - 03:36, 2 April 2025
Closest pair of points problem (category Geometric algorithms)
problem. Both sweep line algorithms and divide-and-conquer algorithms with this slower time bound are commonly taught as examples of these algorithm design techniques...
9 KB (1,215 words) - 09:28, 29 December 2024
operations are monotonic. Similarly, in sweep line algorithms in computational geometry, events at which the sweep line crosses a point of interest are prioritized...
6 KB (752 words) - 07:14, 27 December 2023
the top; this is conceptually similar to the Bentley–Ottmann algorithm. This sweep line approach divides the problem space by scanlines, imaginary horizontal...
3 KB (308 words) - 07:49, 2 March 2024
Boundary tracing (section Radial sweep)
tracing algorithm is similar to the Square tracing algorithm with similar weaknesses but works with 8-connected (diagonal) patterns Radial sweep Theo Pavlidis’...
12 KB (1,555 words) - 10:41, 25 May 2024
be constructed in O(n log n) using a divide and conquer algorithm or a sweep line algorithm. The problem commonly arises in physical design of electronic...
3 KB (332 words) - 00:48, 17 April 2024
moving canon style one at a time. After each movement, the line takes a step forward. Algorithm March lyrics, in English and Japanese (Romaji). Note: this...
2 KB (223 words) - 23:56, 14 January 2025
Karplus–Strong string synthesis (redirect from Karplus-Strong algorithm)
original algorithm, this was a burst of white noise, but it can also include any wideband signal, such as a rapid sine wave chirp or frequency sweep, or a...
11 KB (1,375 words) - 07:05, 29 March 2025
Minkowski Portal Refinement (category Geometric algorithms)
Refinement collision detection algorithm is a technique for determining whether two convex shapes overlap. The algorithm was created by Gary Snethen in...
2 KB (211 words) - 22:57, 12 May 2024
Trapezoid graph (section Algorithms)
representation is useful because the associated dominance order allows sweep line algorithms to be used. Bitolerance graphs are incomparability graphs of a bitolerance...
10 KB (1,528 words) - 07:40, 27 June 2022
Delaunay triangulation (redirect from Delaunay algorithm)
Delaunay triangulation that uses a radially propagating sweep-hull, and a flipping algorithm. The sweep-hull is created sequentially by iterating a radially-sorted...
29 KB (3,255 words) - 08:43, 18 June 2025
A cellular evolutionary algorithm (cEA) is a kind of evolutionary algorithm (EA) in which individuals cannot mate arbitrarily, but every one interacts...
9 KB (1,099 words) - 18:04, 21 April 2025
simultaneous sweep through a row of A and a column of B) incurs a cache miss when accessing an element of B. This means that the algorithm incurs Θ(n3)...
39 KB (4,483 words) - 22:23, 1 June 2025
Prefix sum (redirect from Parallel prefix scan algorithm)
although the algorithm divides the data into p + 1 {\displaystyle p+1} blocks, only p processing elements run in parallel at a time. In a first sweep, each PE...
46 KB (5,592 words) - 08:59, 13 June 2025
Monotone polygon (category Geometric algorithms)
monotone polygon is sweepable by a line which does not change its orientation during the sweep. A polygon is strictly sweepable if no portion of its...
9 KB (1,024 words) - 18:22, 13 April 2025
Visibility polygon (category Geometric algorithms)
divide-and-conquer algorithm to compute the visibility polygon was proposed in 1987. An angular sweep, i.e. rotational plane sweep algorithm to compute the...
15 KB (1,859 words) - 03:06, 29 January 2024
Opaque set (redirect from Approximation algorithms for the opaque forest problem)
{\displaystyle p} of the hull, sweep a line circularly around p {\displaystyle p} , subdividing the plane into wedges within which the sweep line crosses one of the...
31 KB (4,100 words) - 00:25, 18 April 2025