GRID

Grid

In the context of a spatial index, a grid is a regular 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. A wide variety of such grids have been proposed or are currently in use, including grids based on "square" or "rectangular" cells, triangular grids or meshes, hexagonal grids and grids based on diamond-shaped cells.

The above text is a snippet from Wikipedia: Grid (spatial index)
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grid

Noun

  1. A rectangular array of squares or rectangles of equal size, such as in a crossword puzzle.
  2. A system for delivery of electricity, consisting of various substations, transformers and generators, connected by wire.
  3. A system or structure of distributed computers working mostly on a peer-to-peer basis, such structures being known as a computational grid or simply grid computing, and used mainly to solve single and complex scientific or technical problems or to process data at high speeds (as in clusters).
  4. A method of marking off maps into areas.
  5. The pattern of starting positions of the drivers for a race.
  6. The third (or higher) electrode of a vacuum tube (triode or higher).

Verb

  1. To mark with a grid.
  2. To assign a reference grid to.


The above text is a snippet from Wiktionary: grid
and as such is available under the Creative Commons Attribution/Share-Alike License.

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