coordinate conversion

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• Geographic coordinate conversion — Geographic coordinates consist of latitude and longitude. There are many ways of writing coordinates, and converting between the different ways is non obvious but also quite trivial.Ways of writing coordinatesAll of the following are valid and… …   Wikipedia

• Coordinate system — For geographical coordinates on Wikipedia, see Wikipedia:WikiProject Geographical coordinates. In geometry, a coordinate system is a system which uses one or more numbers, or coordinates, to uniquely determine the position of a point or other… …   Wikipedia

• Conversion between Julian and Gregorian calendars — The tables below list equivalent dates in the Julian and Gregorian calendars. Years are given in astronomical year numbering. Contents 1 Conventions 2 Conversion table 3 Using the tables …   Wikipedia

• Polar coordinate system — Points in the polar coordinate system with pole O and polar axis L. In green, the point with radial coordinate 3 and angular coordinate 60 …   Wikipedia

• Geographic coordinate system — Map of Earth showing lines of latitude (horizontally) and longitude (vertically), Eckert VI projection; large version (pdf, 3.12MB) …   Wikipedia

• CHS conversion — is a conversion between the geometric coordinate (cylinder/head/sector or CHS) of data on a disk s surface and the addressing system used by the disk s filesystem (linear base address or LBA). This conversion process is used with floppy disks as… …   Wikipedia

• Ecliptic coordinate system — The ecliptic coordinate system is a celestial coordinate system that uses the ecliptic for its fundamental plane. The ecliptic is the path that the sun appears to follow across the sky over the course of a year. It is also the projection of the… …   Wikipedia

• Horizontal coordinate system — The horizontal coordinate system is a celestial coordinate system that uses the observer s local horizon as the fundamental plane. This conveniently divides the sky into the upper hemisphere that you can see, and the lower hemisphere that you… …   Wikipedia

• Celestial coordinate system — For other uses of Celestial , see Celestial (disambiguation). Orientation of Astronomical Coordinates Orientation of the galactic, ecliptic and equatorial coordinate systems, projected on the celestial sphere, showing the galactic equator (black) …   Wikipedia

• Cylindrical coordinate system — A cylindrical coordinate system with origin O, polar axis A, and longitudinal axis L. The dot is the point with radial distance ρ = 4, angular coordinate φ = 130°, and height z = 4. A cylindrical coordinate system is …   Wikipedia

• Galactic coordinate system — Artist s depiction of the Milky Way galaxy, showing the galactic longitude relative to the sun. The galactic coordinate system (GCS) is a celestial coordinate system which is centered on the Sun and is aligned with the apparent center of the… …   Wikipedia