State Plane Coordinate System

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Topic: State Plane Coordinate System

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	X.D. Extended Emission
		The projection cylinder is tangent to the celestial sphere at the Galactic equator and the projection proceeds by projecting radially outward from each point on the polar axis of the Galactic coordinate system in a plane parallel to the equatorial plane.
		The coordinate system of each map is arranged so that when viewed with the printing in the label right side up north is up and east is to the left at the field center, which is adopted as pixel (0,0).
		For convenience in dealing with the Galactic plane the survey data within 10° of the Galactic plane were remapped from the into a set of images in Galactic coordinates to cover the full circle of the Galaxy.
	spider.ipac.caltech.edu /staff/tchester/exp.sup/ch10/D.html (2681 words)

	Cartesian coordinate system - Wikipedia, the free encyclopedia
		The modern Cartesian coordinate system in two dimensions (also called a rectangular coordinate system) is commonly defined by two axes, at right angles to each other, forming a plane (an xy-plane).
		In analytic geometry the Cartesian coordinate system is the foundation for the algebraic manipulation of geometrical shapes.
		The three dimensional coordinate system is provides the physical dimensions of space — height, width, and length, and this is often referred to as "the three dimensions".
	www.lighthousepoint.us /project/wikipedia/index.php/Cartesian_coordinate_system (2681 words)

	Astronomical Leage - Astro Note 11: Celestial Coordinate Systems
		Also called alt-azimuth or horizon coordinates, this system uses the plane of the local horizon as the plane of reference.
		Coordinates are then specified by angular measure around the great circle from the reference point and by angular distance from the reference plane along another great circle perpendicular to that plane.
		That intersection where the Sun appears to cross the celestial equator from south to north is chosen as the reference point and is known as the vernal equinox.
	www.astroleague.org /al/astrnote/astnot11.html (607 words)

	ASTRONOMICAL COORDINATE SYSTEMS
		Therefore the equatorial plane is a suitable reference plane for a coordinate frame that has to be independent of time and the position of the observer.
		The most natural coordinate frame from the observer's point of view is the horizontal frame where the reference plane is the tangent plane of the Earth passing through the observer.
		Angle measured from vernal equinox or first point of Aries (one of the crossing points of ecliptic and celestial equator) to the projection of the object on celestial equator,along the celestial equator in counterclockwise direction.
	www.ii.metu.edu.tr /~astr201/demo/lecture_notes/section4/page1.html (513 words)

	Cool Cosmos
		These three systems are the equatorial, ecliptic and galactic coordinate systems which use the Earth, the ecliptic plane (the path the Earth takes around the Sun), and the center of our galaxy, respectively, as their central locations.
		The galactic coordinate system is used to see how astronomical objects are distributed with respect to the galactic plane.
		In the ecliptic system, latitude is measured with respect to the ecliptic plane and position is measured by ecliptic latitude (elat) and ecliptic longitude (elon).
	www.spitzer.caltech.edu /EPO/cosmic_classroom/cosmic_reference/coordsys.html (511 words)

	Galactic coordinate system -- Facts, Info, and Encyclopedia article
		It is sometimes convenient to use this galactic plane as the basis of a galactic coordinate system, where the directions perpendicular to the plane point to the galactic poles, creating a (Click link for more info and facts about spherical coordinate system) spherical coordinate system.
		In actual usage, these terms are nearly always used to refer specifically to the plane and poles and coordinate system of the Milky Way rather than any other galaxy.
		Galactic coordinate system -- Facts, Info, and Encyclopedia article
	www.absoluteastronomy.com /encyclopedia/G/Ga/Galactic_coordinate_system.htm (272 words)

	Matrix Astrology Software : Learn Astrology - Visual Astrology - Ecliptic Coordinate System
		Ecliptic Coordinates -- In this system, the ecliptic or plane through the Earth's orbit is taken as the plane of reference.
		The co-ordinates used are Celestial Latitude (the perpendicular distance of the object from the ecliptic in angular measure) and Celestial Longitude (the angular distance along the ecliptic between the plane through the object and the First Point of Aries).
		Obliquity of the Ecliptic -- The 23 1/2° angle (23°27') that represents the inclination of the ecliptic to the celestial equator.
	www.thenewage.com /resources/vastrology/ecsys.asp?orig= (646 words)

	read.asp?id=21355
		The origin of the equatorial system is at the center of mass of the specified planet; the x-axis points to the vernal equinox, the y-axis points to the north pole of the planet and the z-axis points +90 cartesian degrees from the x-axis (looking down, from the north pole, onto the planet's equatorial plane).
		This function returns the angle theta, which is the right ascension of the ascending node of the planet's equatorial plane.
		So, presumably, the origin of the ecliptic system is at the center of mass of the sun; the x-axis points to the vernal equinox, the y-axis points to the ecliptic zenith and the z-axis points +90 cartesian degrees from the x-axis (looking down, from zenith, onto the ecliptic plane.
	www.orbitersim.com /v2/read.asp?id=21355 (2990 words)

	Polar Coordinates
		Now we have two coordinate systems superimposed on one another in the plane.
		Proposition If the Cartesian coordinates (x,y) of a point P in the plane are given then polar coordinates for P are given by
		Polar coordinates provide an alternate way of describing the location of a point P in the plane.
	www.ualberta.ca /dept/math/gauss/fcm/calculus/multvrbl/basic/plr_coordnt/plrcrdnt.htm (138 words)

	CARTESIAN COORDINATE SYSTEM
		To assess where students are in their knowledge of coordinate plane.
		The words I gave them were: abscissa, coordinate plane, coordinates, domain, origin, quadrants, range, relation, x-axis, y-axis, distance formula, function, ordered pair, ordinate, Pythagoras, Pythagorean theorem, slope, x-intercept, and y-intercept.
		Students were given a list of vocabulary words from the first chapter of the book most of which dealt with the coordinate plane.
	www.bgsu.edu /colleges/edhd/programs/ASPECT/cII.html (138 words)

	S7_3
		The choice of a pole and a polar axis determines a polar coordinate system for the plane in which any point P may be assigned polar coordinates (r,
		The relationship between polar and xy_coordinates are easily determined when the origin in xy-coordinates is the pole and positive x-axis is the polar axis.
		Let O be any given point in the plane, called the pole, and let l be any ray emanating from O. The ray l is called the polar axis for the plane.
	www.msu.edu /~osstutor/S15_1.htm (180 words)

	Coordinate System
		When a horizontal number line and a vertical number line are placed at right angles so that their origins coincide (the points corresponding to zero), we get a Coordinate system or Coordinate plane.
		Let P be any point in the coordinate plane.
		The points in the coordinate plane correspond to ordered pairs of real numbers.
	www.ilovemaths.com /1coord.htm (262 words)

	Cartesian coordinate system - Wikipedia, the free encyclopedia
		The modern Cartesian coordinate system in two dimensions (also called a rectangular coordinate system) is commonly defined by two axes, at right angles to each other, forming a plane (an xy-plane).
		In analytic geometry the Cartesian coordinate system is the foundation for the algebraic manipulation of geometrical shapes.
		The three dimensional coordinate system provides the physical dimensions of space — height, width, and length, and this is often referred to as "the three dimensions".
	en.wikipedia.org /wiki/Cartesian_coordinates (1128 words)

	Cartesian Coordinate System
		The Cartesian coordinate system was developed by the mathematician Descartes during an illness.
		To show students that the coordinate plane is useful in more than just describing the location of objects lead a discussion on reading points off a graph.
		This lesson is designed to familiarize students to the Cartesian Coordinate System and its many uses in the world of mathematics.
	www.shodor.org /interactivate/lessons/cartesian.html (682 words)

	Galactic coordinate system - Wikipedia, the free encyclopedia
		In actual usage, these terms are nearly always used to refer specifically to the plane and poles and coordinate system of the Milky Way rather than any other galaxy.
		The "zero of longitude" of galactic coordinates was also defined in 1959 to be at position angle 123° from the north galactic pole.
		Objects that have a galactic latitude — b — (close to) zero (near the galactic equator) lie in the plane of the disk of our Milky Way.
	en.wikipedia.org /wiki/Galactic_plane (399 words)

	Celestial coordinate system - Wikipedia, the free encyclopedia
		The coordinate systems differ only in their choice of the fundamental plane, which divides the sky into two equal hemispheres along a great circle.
		There are different celestial coordinate systems each using a coordinate grid projected on the celestial sphere, in analogy to the geographic coordinate system used on the surface of the Earth.
		In astronomy, a celestial coordinate system is a coordinate system for mapping positions in the sky.
	www.wikipedia.org /wiki/Celestial_coordinate_system (313 words)

	* Ecliptic - (Astronomy): Definition
		In the ecliptic system, latitude is measured with respect to the ecliptic plane and position is measured by ecliptic latitude (elat) and ecliptic longitude (elon)...
		Axial tilt, or obliquity to the ecliptic, is the tilt of a planet's axis from perpendicular to the plane of the ecliptic.
		The exception being the planet which at an angle of 18° to the ecliptic.
	www.bestknows.com /astronomy/ecliptic.html (1732 words)

	Astronomical Leage - Astro Note 11: Celestial Coordinate Systems
		Coordinates are then specified by angular measure around the great circle from the reference point and by angular distance from the reference plane along another great circle perpendicular to that plane.
		That intersection where the Sun appears to cross the celestial equator from south to north is chosen as the reference point and is known as the vernal equinox.
		Since all objects on the celestial sphere appear to be at the same, arbitrarily large distance from the observer, it is usually not necessary to know the object's true distance.
	www.astroleague.org /al/astrnote/astnot11.html (607 words)

	Galactic coordinate system - Wikipedia, the free encyclopedia
		It is sometimes convenient to use this galactic plane as the basis of a galactic coordinate system, where the directions perpendicular to the plane point to the galactic poles, creating a spherical coordinate system.
		The "zero of longitude" of galactic coordinates was also defined in 1959 to be at position angle 123° from the north galactic pole.
		This position is in Coma Berenices, near the bright star Arcturus; likewise, the south galactic pole lies in the constellation Sculptor.
	www.marylandheights.us /project/wikipedia/index.php/Galactic_plane (410 words)

	Cartographiometry Glossary of Terms
		The polar coordinate system is a coordinate system in the plane based on the selection of a point, designated as the origin of the system, and a reference direction (really a half-line emanating from the selected origin).
		The spherical coordinate system is a coordinate system on a given sphere based on the selection of a pair of antipodal (opposite) points, designated as the poles of the system.
		Spherical geometry is the study of figures on the surface of a sphere in much the same way that Euclidean geometry is the study of figures in a plane.
	www06.homepage.villanova.edu /timothy.feeman/cartography/textsupp/keywords.htm (3332 words)

	spatial reference
		A plane-rectangular coordinate system usually based on, and mathematically adjusted to, a map projection so that geographic positions can be readily transformed to and from plane coordinates.
		Horizontal Coordinate System Definition describes the reference frame or system from which linear or angular quantities are measured and assigned to the position that a point occupies.
		Any right-handed planar coordinate system of which the z-axis coincides with a plumb line through the origin that locally is aligned with the surface of the Earth.
	www.ciesin.org /metadata/documentation/guidelines/spatref.html (1889 words)

	Supergalactic coordinate system
		Supergalactic coordinates are coordinates in a spherical coordinate system which was designed to have its aligned with the supergalactic plane which is (two-dimensional) plane going through the structure formed by clusters of galaxies close to the Sun.
		In equatorial coordinate system (J2000) this is approximately (18.9 h deg).
		In equatorial coordinate system (J2000) this is approximately (2.82 h deg).
	www.freeglossary.com /Supergalactic_coordinate_system (226 words)

	Ecliptic coordinate system -- Facts, Info, and Encyclopedia article
		It is also the (Any structure that branches out from a central support) projection of the Earth's ((astronomy) the plane on which a body is orbiting) orbital plane onto the (The apparent surface of the imaginary sphere on which celestial bodies appear to be projected) celestial sphere.
		The ecliptic is the path that the (A typical star that is the source of light and heat for the planets in the solar system) sun appears to follow across the sky over the course of a year.
		Such a coordinate system can be useful for charting solar system objects.
	www.absoluteastronomy.com /encyclopedia/E/Ec/Ecliptic_coordinate_system.htm (205 words)

	Surface loads: Define distributed loads on surface elements, calculate statically equivalent forces
		This option is only available for a local coordinate system of type “Plane, p = constant”.
		Edges of the loaded area and of the elements must be parallel to the axis of the cylindrical coordinate system.
		Edges of the load area and of the elements must be parallel to the axis of the local coordinate system.
	www.g-boege.de /english/makrosae/Manual/Surface_loads.htm (1322 words)

	Galactic coordinate system - Wikipedia, the free encyclopedia
		It is sometimes convenient to use this galactic plane as the basis of a galactic coordinate system, where the directions perpendicular to the plane point to the galactic poles, creating a spherical coordinate system.
		The "zero of longitude" of galactic coordinates was also defined in 1959 to be at position angle 123° from the north galactic pole.
		This position is in Coma Berenices, near the bright star Arcturus; likewise, the south galactic pole lies in the constellation Sculptor.
	www.marylandheights.us /project/wikipedia/index.php/Galactic_plane (410 words)

	2D Coordinate Systems
		To be able to transform from Cartesian to polar coordinates and vice versa, we let the axis of the polar coordinate system coincide with the x-axis of the Cartesian coordinate system and the pole coincide with the origin.
		In two dimensions, this system consists of a pair of lines on a flat surface or plane, that intersect at right angles.
		In three-dimensional Cartesian coordinates, the z axis is added so that there are three axes all perpendicular to each other.
	electron9.phys.utk.edu /vectors/2dcoordinates.htm (226 words)

	Understanding Galactic Coordinates
		In the galactic coordinate system the zero degree latitude line is the plane of our galaxy, and the zero degree longitude line is in the direction of the center of our galaxy, towards the constellation Sagittarius.The activity below is designed to help you visualize the galactic coordinate grid.
		The galactic coordinate system has latitude and longitude lines, similar to what you are familiar with on Earth.
		When studying objects in the sky it is helpful to use a coordinate system to keep track of where things are.
	cse.ssl.berkeley.edu /chips_epo/coordinates.html (522 words)

	P3001 Ecliptic Coordinates
		Another commonly used celestial coordinate system is based on the ecliptic - with coordinates being given as ecliptic longitude and ecliptic latitude (e.g.
		Because of the importance which astrology placed on the alignment of the planets, those constellations which lay in the ecliptic plane had special significance and are called the zodiac constellations.
		The major planets and the sun are all aligned near perfectly in a single orbital plane.
	www.mta.ca /~rhawkes/courses/3001/ecliptic.html (92 words)

	Perifocal Coordinate System
		This is a two dimensional coordinate system with the plane of the orbit defining the plane of the coordinate system.
		Orbital systems are transformed to the perifocal system to simplify the mathematics of orbit computation.
		Since the system is two dimensional it only takes a two dimensional vector to locate an object.
	www.tamuk.edu /math/scott/stars/pqw.htm (119 words)

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Topic: State Plane Coordinate System

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