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ISO 19111:2019 Coordinate Systems
http://standards.iso.org/iso/19111/ed-3/en/
2019-01
CoordinateSystem
non-repeating sequence of coordinate system axes that spans a given coordinate spaceNote: A coordinate system is derived from a set of mathematical rules for specifying how coordinates in a given space are to be assigned to points. The coordinate values in a coordinate tuple shall be recorded in the order in which the coordinate system axes associations are recorded.
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true
axis-.gt.forAll(count(axisUnitID).eq.1)
1
AffineCS
two- or three-dimensional coordinate system in Euclidean space with straight axes that are not necessarily orthogonalNote: The number of associations shall equal the dimension of the coordinate system.
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CartesianCS
two- or three-dimensional coordinate system in Euclidean space with straight axes that are not necessarily orthogonalNote: The number of associations shall equal the dimension of the coordinate system.
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CylindricalCS
three-dimensional coordinate system in Euclidean space consisting of a polar coordinate system extended by a straight coordinate axis perpendicular to the plane spanned by the polar coordinate systemNote: A CylindricalCS shall have three axis associations.
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EllipsoidalCS
two- or three-dimensional coordinate system in which position is specified by geodetic latitude, geodetic longitude, and (in the three-dimensional case) ellipsoidal heightNote: An EllipsoidalCS shall have two or three associations; the number of associations shall equal the dimension of the coordinate system.
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LinearCS
one-dimensional coordinate system that consists of the points that lie on the single axis describedNote: The associated coordinate is the distance – with or without offset – from the origin point, specified through the datum definition, to the point along the axis. Example: usage of the line feature representing a pipeline to describe points on or along that pipeline. A LinearCS shall have one axis association.
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OrdinalCS
n-dimensional coordinate system in which every axis uses integersNote: The number of associations shall be equal the dimension of the coordinate system.
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coordinateType.eq.integer
coordinateType.eq.integer
1
ParametricCS
one-dimensional coordinate reference system which uses parameter values or functions that may vary monotonically with heightNote: A ParametricCS shall have one axis association.
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PolarCS
two-dimensional coordinate system in Euclidean space in which position is specified by the distance from the origin and the angle between the line from the origin to a point and a reference directionNote: A PolarCS shall have two axis associations.
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SphericalCS
three-dimensional coordinate system in Euclidean space with one distance measured from the origin and two angular coordinatesNote: Not to be confused with an ellipsoidal coordinate system based on an ellipsoid .gu.degenerated.gu. into a sphere. A SphericalCS shall have three axis associations.
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DateTimeTemporalCS
one-dimensional coordinate system used to record time in dateTime representation as defined in ISO 8601.Note: A DateTimeTemporalCS shall have one axis association. It does not use axisUnitID; the temporal quantities are defined through the ISO 8601 representation.
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coordinateType.eq.dateTime
coordinateType.eq.dateTime
TemporalCountCS
one-dimensional coordinate system used to record time as an integer countNote: A TemporalCountCS shall have one axis association.
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coordinateType.eq.integer
TemporalCS
one-dimensional coordinate system used to record time Note: A TemporalCS shall have one axis association.
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true
axis-.gt.size().eq.1
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TemporalMeasureCS
one-dimensional coordinate system used to record a time as a real numberNote: A TemporalMeasureCS shall have one axis association.
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coordinateType.eq.real
VerticalCS
one-dimensional coordinate system used to record the heights or depths of points, usually dependent on the Earth's gravity fieldNote: An exact definition is deliberately not provided as the complexities of the subject fall outside the scope of this document. A VerticalCS shall have one axis association.
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AffineCS
two- or three-dimensional coordinate system in Euclidean space with straight axes that are not necessarily orthogonal. The number of associations shall equal the dimension of the CS.
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1
CartesianCS
two- or three-dimensional coordinate system in Euclidean space with orthogonal straight axes. All axes shall have the same length unit. A CartesianCS shall have two or three axis associations; the number of associations shall equal the dimension of the CS.
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CylindricalCS
three-dimensional coordinate system in Euclidean space consisting of a polar coordinate system extended by a straight coordinate axis perpendicular to the plane spanned by the polar coordinate system. A CylindricalCS shall have three axis associations.
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1
OrdinalCS
n-dimensional coordinate system in which every axis uses integers. The number of associations shall be equal the dimension of the CS.
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1
PolarCS
two-dimensional coordinate system in Euclidean space in which position is specified by the distance from the origin and the angle between the line from the origin to a point and a reference direction. A PolarCS shall have two axis associations.
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1
SphericalCS
three-dimensional coordinate system in Euclidean space with one distance measured from the origin and two angular coordinates. Not to be confused with an ellipsoidal coordinate system based on an ellipsoid .gu.degenerated.gu. into a sphere. A SphericalCS shall have three axis associations.
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1
LinearCS
one-dimensional coordinate system that consists of the points that lie on the single axis described. The associated coordinate is the distance – with or without offset – from the origin point, specified through the datum definition, to the point along the axis. Example: usage of the line feature representing a pipeline to describe points on or along that pipeline. A LinearCS shall have one axis association.
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1
EllipsoidalCS
two- or three-dimensional coordinate system in which position is specified by geodetic latitude, geodetic longitude, and (in the three-dimensional case) ellipsoidal height. An EllipsoidalCS shall have two or three associations; the number of associations shall equal the dimension of the CS.
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1
CoordinateSystemAxis
definition of a coordinate system axis
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1
1
1
1
1
1
coordinateType
datatype of coordinate values
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coordinateType
datatype of coordinate values
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affineCS
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cartesianCS
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cylindricalCS
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ordinalCS
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polarCS
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sphericalCS
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linearCS
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ellipsoidalCS
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axisAbbrev
abbreviation used for this coordinate system axis; this abbreviation is also used to identify the coordinates in the coordinate tupleExamples: X and Y. Note: when the standard symbol is a Greek character the abbreviation may differ from the symbol (for example to constrain symbols to other character sets).
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axisDirection
direction of this coordinate system axis (or in the case of Cartesian projected coordinates, the direction of this coordinate system axis locally) Examples: north or south, east or west, up or down. Note: Within any set of coordinate system axes, only one of each pair of terms can be used. For Earth-fixed CRSs, this direction is often approximate and intended to provide a human interpretable meaning to the axis. When a geodetic reference frame is used, the precise directions of the axes may therefore vary slightly from this approximate direction. Note that an EngineeringCRS often requires specific descriptions of the directions of its coordinate system axes.
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axisUnitID
spatial unit or temporal quantity used for this coordinate system axisNote: The value of a coordinate in a coordinate tuple is recorded using this unit. This element is omitted if this axis is part of a DateTimeTemporalCS or an OrdinalCS, and is provided in all other cases.
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minimumValue
minimum value normally allowed for this axis, in the unit for the axis
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maximumValue
maximum value normally allowed for this axis, in the unit for the axis
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rangeMeaning
meaning of axis value range specified by minimumValue and maximumValueNote: This element shall be omitted when both minimumValue and maximumValue are omitted. It may be included when minimumValue and.sl.or maximumValue are included. If this element is omitted when minimumValue or maximumValue are included, the meaning is unspecified.
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axis
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partOfSharedAggregation
DerivedProjectedCS
coordinate system used by a DerivedProjected CRS, one of an affine coordinate system, a Cartesian coordinate system, a cylindrical coordinate system, an ordinal coordinate system, a polar coordinate system or a spherical coordinate system
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EngineeringCS
coordinate system used by an engineering coordinate reference system, one of an affine coordinate system, a Cartesian coordinate system, a cylindrical coordinate system, a linear coordinate sytem, an ordinal coordinate system, a polar coordinate system or a spherical coordinate system
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GeodeticCS
coordinate system used by a Geodetic CRS, one of a Cartesian coordinate system or a spherical coordinate system
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CoordinateDataType
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CoordinateDataType - ConceptScheme
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dateTime
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compound quantity representable as a character string conformant with ISO 8601 used for a temporal coordinate system axis
integer
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quantity expressed as a count used for a temporal or ordinal coordinate system axis
real
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quantity expressed as a measure used for a temporal coordinate system axis
CoordinateDataType - Collection
AxisDirection
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AxisDirection - ConceptScheme
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north
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axis positive direction is northNote: In a geodetic, geographic or projected CRS, north is defined through the geodetic reference frame. In an engineering CRS, north may be defined with respect to an engineering object rather than a geographical direction.
northNorthEast
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axis positive direction is approximately north-north-east
northEast
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axis positive direction is approximately north-east
eastNorthEast
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axis positive direction is approximately east-north-east
east
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axis positive direction is p.sl.2 radians clockwise from north
eastSouthEast
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axis positive direction is approximately east-south-east
southEast
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axis positive direction is approximately south-east
southSouthEast
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axis positive direction is approximately south-south-east
south
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axis positive direction is p radians clockwise from north
southSouthWest
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axis positive direction is approximately south-south-west
southWest
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axis positive direction is approximately south-west
westSouthWest
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axis positive direction is approximately west-south-west
west
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axis positive direction is 3p.sl.2 radians clockwise from north
westNorthWest
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axis positive direction is approximately west-north-west
northWest
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axis positive direction is approximately north-west
northNorthWest
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axis positive direction is approximately north-north-west
up
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axis positive direction is up relative to gravity
down
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axis positive direction is down relative to gravity
geocentricX
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axis positive direction is in the equatorial plane from the centre of the modelled Earth towards the intersection of the equator with the prime meridian
geocentricY
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axis positive direction is in the equatorial plane from the centre of the modelled Earth towards the intersection of the equator and the meridian p.sl.2 radians eastwards from the prime meridian
geocentricZ
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axis positive direction is from the centre of the modelled Earth parallel to its rotation axis and towards its north pole
columnPositive
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axis positive direction is towards higher pixel column
columnNegative
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axis positive direction is towards lower pixel column
rowPositive
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axis positive direction is towards higher pixel row
rowNegative
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axis positive direction is towards lower pixel row
displayRight
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axis positive direction is right in display
displayLeft
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axis positive direction is left in display
displayUp
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axis positive direction is towards top of approximately vertical display surface
displayDown
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axis positive direction is towards bottom of approximately vertical display surface
future
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temporal axis positive direction is towards the future
past
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temporal axis positive direction is towards the past
forward
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axis positive direction is forwardNote: For an observer at the centre of the object this is will be towards its front, bow or nose.
aft
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Axis positive direction is aftNote: for an observer at the centre of the object this will be towards its back, stern or tail.
port
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Axis positive direction is port Note: For an observer at the centre of the object this will be towards its left.
starboard
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Axis positive direction is starboard Note: For an observer at the centre of the object this will be towards its right.
clockwise
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axis positive direction is clockwise from a specified direction
counterClockwise
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axis positive direction is counter clockwise from a specified direction
towards
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axis positive direction is towards the object
awayFrom
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axis positive direction is away from the object
unspecified
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axis positive direction is unspecified
AxisDirection - Collection
RangeMeaning
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RangeMeaning - ConceptScheme
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exact
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any value between and including minimumValue and maximumValue is valid
wraparound
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axis is continuous with values wrapping around at the minimumValue and maximumValueNote: Values with the same meaning repeat modulo the difference between maximumValue and minimumValue.
RangeMeaning - Collection