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GIS  Along-track scanner  Alphanumeric grid

Alphanumeric grid
alphanumeric grid - [cartography] A grid of numbered rows and lettered columns (or vice versa) superimposed on a map, used to find and identify features.

alphanumeric grid
[cartography] A grid of numbered rows and lettered columns (or vice versa) superimposed on a map, used to find and identify features. Alphanumeric grids are commonly used as a reference system on local street maps.

Machine processable letters, numbers and special characters. Hence alphanumeric screen, alphanumeric keyboard for displaying and entering alphanumeric characters.

A set of characters containing either letters or numbers. For example, an alphanumeric password could be '2xbe14y'.

Consisting of both letters and numbers, and possibly including other symbols such as punctuation marks. (Compare with ASCII).
Altimetry ...

Combination of alphabetic letters, numbers and/or special characters. A mailing address is an alphanumeric listing. The designation ljsdoijwe92393 is an alphanumeric word. Alphabetic characters consist of letters A through Z.

An alphanumeric stringA data type made up of any simple combination of letters and numbers that may or may not form coherent words., or text, data type is any simple combination of letters and numbers that may or may not form coherent words.

A two alphanumeric character NAC can uniquely specify any area about 1000x700 kilometers anywhere in the world. For example, NAC: 8 Q is roughly the area of the Province of Ontario.

Avoid using nonalphanumeric characters (other than spaces) in data frame or layer names. When you publish a service, your data frame and layer names are sometimes used in URLs, cache folder names, and web service request parameters.

Attribute: Alphanumeric (non-graphic) data related to a specific map feature (point, line or polygon). For example, parcel information linked to a specific parcel (polygon) might include the parcel owner's name and the parcel address.

Many of the non-alphanumeric characters were positioned to correspond to their shifted position on typewriters. Thus #, $ and % were placed to correspond to 3, 4, and 5 in the adjacent column.

ASCII American Standard Code for Information Interchange, ASCII is a set of codes for representing alphanumeric information (e.g., a byte with a value of 77 represents a capital M).

nongraphic data Digital representations of the characteristics, qualities, or relationships of map features and geographic locations, usually stored in conventional alphanumeric format.

geocoding Geocoding refers to the assignment of alphanumeric codes or coordinates to geographically reference data provided in a textual format. Examples are the two letter country codes and coordinates computed from addresses.

These services define paths to reference data, rules for standardizing alphanumeric descriptions of locations and matching them to the reference data, and parameters for reading address data and creating output.

The MGRS is an alphanumeric version of a numerical UTM grid coordinate. Thus, for that portion of the world where the UTM grid is specified (80� south to 84� north), the UTM grid-zone number is the first element of a military grid reference.

IMPORTANT NOTE: As a habit to get into, NEVER, NEVER, NEVER (did I just say "never?") create directories that have spaces, dots, or other special (non-alphanumeric) characters in the directory name, or ANYWHERE in the path name for the directory.

A set of codes for representing alphanumeric information. The ASCII format provides computer systems with a common language for exchanging information.

A standard set of codes which represent alphanumeric characters stored as a single byte value. For example, using the ASCII code, a byte containing the value 69 would represent the letter E.

The attribute tables can be sorted in ascending or descending alphanumeric order.
Sorting is done by activating a field in the attribute table and selecting the ascending or descending button.

ASCII (American Standard Code for Information Interchange) - A set of codes used to represent alphanumeric characters in computer data processing. Data files created using text editors (e.g. Windows Notepad) are often referred to as ASCII files.

British National Grid references are commonly held as alphanumeric attributes in a single column which require some processing before points can be mapped on a GIS, a more appropriate form of notation would be in two numerical columns e.g.

Address Geocoding - Process of assigning alphanumeric locational identifiers (such as the municipal address or physical location) to spatially related information.

Bentley speedikon ProjectEditor - Very powerful independent tool for alphanumeric editing and evaluation of model data and solid attributes with a minimum of effort.

Observables in table 2 have an internal structure in the form of the following attributes: Value of attribute {Char * } an alphanumeric value for the attribute Time-of-knowing {Char * } clock time and date Place-of-knowing {Geom * } a series of ...

From this initial work, M&S Computing was among the pioneers in the development of interactive computer graphics systems, which allowed engineers to display and interact with drawings and associated alphanumeric information.

Characteristics of a geographic feature described by numbers, characters, and images, typically stored in a tabular format and linked to the feature by an identifier. A column in a database table. Attribute data are usually alphanumeric (consisting ...

Coordinates are measured in actual distance in meters from the equator and in distance from the central meridian of this zone to the point in question. The zones themselves are assigned an alphanumeric code for quick regional locating.

Some government data sets are contained in this file format. Text files come in several different 'delimited' forms, and all may include numeric or alphanumeric content (see "Joining Data Files" later in this chapter).

mapping is the cartographic display of regularly or irregularly shaped polygons and their attributes. Typically, this capability includes shading, symbology and numeric labeling, as well as other map cosmetic functions for generating alphanumeric ...

string A series of alphanumeric characters of any length enclosed by quotes. subclass A special feature class in a coverage which allows many features of the same class to be defined.

See also: See also: Information, Feature, Map, GIS, Geographic

GIS  Along-track scanner  Alphanumeric grid

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