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Informally, specifying a geographic location usually means giving the location's latitude and longitude. The numerical values for latitude and longitude can occur in a number of different units or formats: [2] sexagesimal degree: degrees, minutes, and seconds : 40° 26′ 46″ N 79° 58′ 56″ W; degrees and decimal minutes: 40° 26.767′ N ...
Example: You want coordinates, in decimal degrees format, for Yosemite National Park, California, U.S. The size of the object is roughly 70 km; GNIS query gives the Park's location, in decimal degrees, as: 37.8483188 (north latitude), −119.5571434 (west longitude) To solve: Choose the Decimal degrees format table
C-squares (acronym for the Concise Spatial QUery And REpresentation System) is a system of spatially unique, location-based identifiers for areas on the surface of the earth, represented as cells from a latitude- and longitude-based Discrete Global Grid at a hierarchical set of resolution steps, obtained by progressively subdividing 10×10 degree World Meteorological Organization squares; the ...
Decimal degrees ( DD) is a notation for expressing latitude and longitude geographic coordinates as decimal fractions of a degree. DD are used in many geographic information systems (GIS), web mapping applications such as OpenStreetMap, and GPS devices. Decimal degrees are an alternative to using sexagesimal degrees (degrees, minutes, and ...
A geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. [1] It is the simplest, oldest and most widely used of the various spatial reference systems that are in use, and forms the basis for most others.
Longitude at left edge of map, in decimal degrees; right = -80.2 Longitude at right edge of map, in decimal degrees; Precision. Longitude: from West to East this map definition covers 24.21 degrees. At an image width of 200 pixels, that is 0.1211 degrees per pixel. At an image width of 1000 pixels, that is 0.0242 degrees per pixel. Latitude ...
Longitude at left edge of map, in decimal degrees; right = 12.685 Longitude at right edge of map, in decimal degrees; Precision. Longitude: from West to East this map definition covers 0.377 degrees. At an image width of 200 pixels, that is 0.0019 degrees per pixel. At an image width of 1000 pixels, that is 0.0004 degrees per pixel. Latitude ...
Latitude at bottom edge of map, in decimal degrees; left = -18 Longitude at left edge of map, in decimal degrees; right = 94.5 Longitude at right edge of map, in decimal degrees; Precision. Longitude: from West to East this map definition covers 112.5 degrees. At an image width of 200 pixels, that is 0.5625 degrees per pixel.