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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.
Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.
The original hex map depicts a battleground of barren terrain with obstacles including raised ridgelines between some adjacent hex cells and large, radioactive craters occupying a full hex cell. [4]: §2.01 The board is 15 hex cells wide and was reduced from 25 to 22 rows with the second edition. [6]
Representation of hexagonally sampled data as a pair of rectangular arrays using the HECS coordinate system. The Hexagonal Efficient Coordinate System (HECS) is based on the idea of representing the hexagonal grid as a set of two rectangular arrays which can be individually indexed using familiar integer-valued row and column indices.
A geodesic grid is a global Earth spatial reference that uses polygon tiles based on the subdivision of a polyhedron (usually the icosahedron, and usually a Class I subdivision) to subdivide the surface of the Earth.
Published in 1961, it was the first wargame that featured both a hex grid map and cardboard counters. [4] Due to some issues with the rules, a second edition (known as 1961b) was published almost immediately. [5] In 1965, Larry Pinsky revised the game again. Another revision by James Stahler appeared in 1977.
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In the context of a spatial index, a grid or mesh is a regular [citation needed] tessellation of a manifold or 2-D surface that divides it into a series of contiguous cells, which can then be assigned unique identifiers and used for spatial indexing purposes.