grid - [cartography]
(1) In cartography, any network of parallel and perpendicular lines superimposed on a map and used for reference.
See Also: ESRI Grid
[cartography] In cartography, any network of parallel and perpendicular lines superimposed on a map and used for reference.
A grid system allows the location of a point on a map (or on the surface of the earth) to be described in a way that is meaningful and universally understood.
A discretely uniform unit that represents a portion of the Earth. such as a square meter or square mile.
Grid-based map analysis is increasingly used to characterize conditions and impacts of infrastructure networks, such as pipe and power lines.
Grid Generation and GIS
Grid generation is a broad field with applications in aerodynamics, material science, biology, earth science, chemistry and physics, for example.
Grid templates available with the installation
A number of grid templates are delivered with ArcGIS and are located under the ArcGIS installation directory (\ArcGIS\Desktop10.1\GridTemplates).
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The grid drawing may be turned off by using the -n flag.
The border drawing may be turned off by using the -b flag.
The coordinate text may be turned off by using the -t flag.
Using a UTM grid overlay tool
If you want to find your location with more precision than is available from the grid lines on the map, you will need a tool that is marked in finer divisions. One such tool is a grid overlay.
Grid layers are graphical representations of the ArcGIS and ArcInfo implementation of the raster data model. Grid layers are stored with a numeric value for each cell.
GIS data layer in raster format (cell-based representation)
Grid Snaps: It is difficult to put your mouse exactly on (90,90,0) isn't it? Right now, our drawing has a resolution down to the inch. Our life would be simpler if we could make out mouse snap to even increments of 10 feet.
grid -- (1) a set of grid cells forming a regular, or nearly regular, tessellation of a surface; (2) a set of points arrayed in a pattern that forms a regular, or nearly regular, tessellation of a surface.
A pattern of regularly spaced horizontal and vertical lines forming square zones on a map used as a reference for establishing points. Grid examples are UTM, MGRS, and Maidenhead.
Project managers must be mindful of the transition from in-program mapped units to real-world locations.
Grid: A geographic data model representing information as an array of equally sized square cells arranged in rows and columns. Each grid cell is referenced by its geographic x,y location.
GRIDA fully integrated grid(cell-based) geoprocessing system for use with ARC/INFO. GRID supports a Map Algebra spatial language that allows sophisticated spatial modeling and analysis.
Grid and Map Overlays
Silva Navimap -- electronic map reading / overlay device
U.K.: Yeoman PLC's Navigator Pro is a plotting table with GPS inputs that works with Admiralty charts. Quite impressive.
The grid represents lines having constant rectangular coordinates (x, y). The grid is almost always a rectangular system and is used on large and medium scale maps to enable detailed calculations and positioning.
The Arc/Info Binary Grid format is the internal working format of the ESRI Arc/Info Grid product. It is also usable and creatable within the spatial analyst component of ArcView 3.x.
4 Grid references
Store grid references in an appropriate notation for easy transition to a GIS or conversion to an appropriate map projection (e.g.
The UTM Grid
The best known use of the transverse Mercator projection is the specialized form called Universal Transverse Mercator (UTM) projection system.
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In cartography, any network of parallel and perpendicular lines superimposed on a map and used for reference.
Attributes Coded with Image
Other Forms of Coding
Image and Attribute Distinction
The graphic side of a map is the lines and descriptors. Examples of these lines are rivers or roads.
Grid data sets come from many sources: remote sensing devices, converted topographic maps, interpolated point data, conversion from vector features, and derived from other features (through distance, proximity, and density calculations, for instance).
Grid placement tools for ceiling mounted equipment
Bi-directional Lighting Analysis interface to Visual Pro in design mode ...
Grid Cell Map
Map displaying spatial information in the form of color coded, equal sized rectangle, squares, equilateral triangles or hexagons.
A network of uniformly spaced horizontal and vertical lines employed to allow an exact reference to any point on a map.
Grid Cell - An element of a raster data structure (see raster).
GUI - See Graphical User Interface.
Grid Referenced Information Display System; Gridded Resource Inventory Data System
Geodetic Reference System ...
The grid-zone designation.
The 100,000-meter-square letter identification.
The grid coordinates (also referred to as rectangular coordinates) of the numerical portion of the reference, expressed to a desired refinement.
See also: Information, Map, Geographic, Location, Feature