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In Ken Perlin's original implementation he used a simple hashing scheme to determine what gradient vector is associated with each grid intersection. [10] A pre-computed permutation table is used to turn a given grid coordinate into a random number. The original implementation worked on a 256 node grid and so included the following permutation ...
An alphanumeric grid (also known as atlas grid [1]) is a simple coordinate system on a grid in which each cell is identified by a combination of a letter and a number. [2]An advantage over numeric coordinates such as easting and northing, which use two numbers instead of a number and a letter to refer to a grid cell, is that there can be no confusion over which coordinate refers to which ...
The function is case insensitive Lat/Long to Ordnance Survey conversion is at bottom of file, see further authorship there]] local oscoord = {} local getArgs = require ('Module:Arguments'). getArgs local yesno = require ('Module:Yesno') local namespace = mw. title. getCurrentTitle (). namespace local pow = math.pow local sqrt = math.sqrt local ...
Loops, which can confound naive maze solvers, may be introduced by adding random edges to the result during the course of the algorithm. The animation shows the maze generation steps for a graph that is not on a rectangular grid. First, the computer creates a random planar graph G shown in blue, and its dual F shown in yellow. Second, the ...
The Battle for Wesnoth, a hex grid based computer game. A hex map, hex board, or hex grid is a game board design commonly used in simulation games of all scales, including wargames, role-playing games, and strategy games in both board games and video games. A hex map is subdivided into a hexagonal tiling, small regular hexagons of identical size.
Randonautica (a portmanteau of "random" + "nautica") is an app launched on February 22, 2020 founded by Auburn Salcedo and Joshua Lengfelder.It randomly generates coordinates that enable the user to explore their local area and report on their findings.
Occupancy Grid Mapping refers to a family of computer algorithms in probabilistic robotics for mobile robots which address the problem of generating maps from noisy and uncertain sensor measurement data, with the assumption that the robot pose is known. Occupancy grids were first proposed by H. Moravec and A. Elfes in 1985.
A projected coordinate system – also called a projected coordinate reference system, planar coordinate system, or grid reference system – is a type of spatial reference system that represents locations on Earth using Cartesian coordinates (x, y) on a planar surface created by a particular map projection. [1]