SRS Ontology

Classes ↑

geosrs :EngineeringCRS
Coordinate Reference System
cartesian coordinate system
coordinate operation
coordinate system
coordinate system axis
Datum
Ellipsoid
ellipsoidal coordinate system
Geodetic Coordinate Reference System
Geodetic Datum
Geographic Coordinate Reference System
linear coordinate system
operation method
operation parameter
operation parameter value
ordinal coordinate system
parametric coordinate system
polar coordinate system
Prime meridian
Projected Coordinate Reference System
Single Coordinate Reference System
single operation
Spatial Reference System
spherical coordinate system
transformation
vertical coordinate system
Vertical Datum
conversion

Engineering Coordinate Reference System^c # Classes

URI	`geosrs :EngineeringCRS`

Coordinate Reference System^c # Classes

URI	`http://www.opengis.net/ont/srs/CRS`
Description	Depending on the spatial dimension of coordinates (1D, 2D, 3D), this piece of metadata is used for specifying the elements of definition associated to a given set of coordinates: its datum, its ellipsoid, its prime meridian, the type of coordinates (geocentric, geographic, projected,...), the coordinates units of measure, when appropriate the cartographic projection used, the vertical coordinate reference system.
Super-classes	Spatial Reference System^c
In domain of	datum^op target CRS^op coordinate system^op source CRS^op base CRS^op
In range of	source CRS^op target CRS^op base CRS^op

cartesian coordinate system^c # Classes

URI	`http://www.opengis.net/ont/srs/CartesianCS`
Description	Coordinate system which gives the position of points relative to n mutually perpendicular axes. Cf. ISO 19111:2007:2007-07, tables 15 and 18.

coordinate operation^c # Classes

URI	`http://www.opengis.net/ont/srs/CoordinateOperation`
Description	Mathematical operation on coordinates, based on one-to-one relationship, that changes coordinates from one coordinate reference system to another. Cf. ISO 19111:2007:2007-07, part 11.1, table 42 and annex B.4.

coordinate system^c # Classes

URI	`http://www.opengis.net/ont/srs/CoordinateSystem`
Description	Set of axes that spans a given coordinate space and of mathematical rules for specifying how coordinates are to be assigned to points. Cf. ISO 19111:2007:2007-07, part 9.2, table 17 and annex B.2.
In domain of	axis^op
In range of	coordinate system^op

coordinate system axis^c # Classes

URI	`http://www.opengis.net/ont/srs/CoordinateSystemAxis`
Description	Axis relative to which a coordinate of a point is specified in a coordinate system. See ISO 19111:2007:2007-07, part 9.3, table 27 and annex B.2.2.

Datum^c # Classes

URI	`http://www.opengis.net/ont/srs/Datum`
Description	Parameter or set of parameters that define the position of the origin, the scale and the orientation of a coordinate system. Cf. ISO 19111:2007:2007-07, part 10.1, table 33 and annex B.3.
In domain of	ellipsoid^op
In range of	datum^op

Ellipsoid^c # Classes

URI	`http://www.opengis.net/ont/srs/Ellipsoid`
Description	Surface formed by the rotation of an ellipse about its minor axis, defined by a semi-major axis and a flattening parameter and fairly geocentric. NB : It is a mathematical model of the geoid, i.e. the Earth without its relief. Many geodetic ellipsoids exist. Cf. ISO 19111:2007:2007-07, part 10.2.2, table 36 and annex B.3.2.3.
In domain of	semi major axis^op semi minor axis^op
In range of	ellipsoid^op

ellipsoidal coordinate system^c # Classes

URI	`http://www.opengis.net/ont/srs/EllipsoidalCS`
Description	Coordinate system which gives the position is specified by geodetic latitude, geodetic longitude and (in the three-dimensional case) ellipsoidal height. Cf. ISO 19111:2007:2007-07, tables 15 and 20.

Geodetic Coordinate Reference System^c # Classes

URI	`http://www.opengis.net/ont/srs/GeodeticCRS`
Description	Coordinate reference system associated with a geodetic datum. Cf. ISO 19111:2007:2007-07, part 8.2.2.a, table 10 and annex B.1.2.1.a.

Geodetic Datum^c # Classes

URI	`http://www.opengis.net/ont/srs/GeodeticDatum`
Description	Datum describing the relation of a two- or three-dimensional coordinate system to the Earth. Cf. ISO 19111:2007:2007-07, part 10.2, table 34 and annex B.3.2.

Geographic Coordinate Reference System^c # Classes

URI	`http://www.opengis.net/ont/srs/GeographicCRS`

linear coordinate system^c # Classes

URI	`http://www.opengis.net/ont/srs/LinearCS`

operation method^c # Classes

URI	`http://www.opengis.net/ont/srs/OperationMethod`
Description	Method used to perform an operation on coordinates. See ISO 19111:2007:2007-07, table 48 and annex B.4.5.

operation parameter^c # Classes

URI	`http://www.opengis.net/ont/srs/OperationParameter`
Description	Parameter used by a method to perform an operation on coordinates. See ISO 19111:2007:2007-07, table 52 and annex B.4.5.

operation parameter value^c # Classes

URI	`http://www.opengis.net/ont/srs/OperationParameterValue`
Description	Value of a parameter used by a method to perform an operation on coordinates. See ISO 19111:2007:2007-07, table 55.

ordinal coordinate system^c # Classes

URI	`http://www.opengis.net/ont/srs/OrdinalCS`

parametric coordinate system^c # Classes

URI	`http://www.opengis.net/ont/srs/ParametricCS`

polar coordinate system^c # Classes

URI	`http://www.opengis.net/ont/srs/PolarCS`

Prime meridian^c # Classes

URI	`http://www.opengis.net/ont/srs/PrimeMeridian`
Description	Meridian from which the longitudes of other meridians are quantified. Cf. ISO 19111:2007:2007-07, part 10.2.1, table 35 and annex B.3.2.2.

Projected Coordinate Reference System^c # Classes

URI	`http://www.opengis.net/ont/srs/ProjectedCRS`
Description	Coordinate reference system derived from a two-dimensional geodetic coordinate reference system by applying a map projection. Cf. ISO 19111:2007:2007-07, part 8.2.3.b, table 11 and annex B.1.2.3.

Single Coordinate Reference System^c # Classes

URI	`http://www.opengis.net/ont/srs/SingleCRS`
Description	Coordinate reference system consisting of one coordinate system and one datum. Cf. ISO 19111:2007:2007-07, table 5.

single operation^c # Classes

URI	`http://www.opengis.net/ont/srs/SingleOperation`
Description	A non concatenated coordinate operation. Cf. ISO 19111:2007:2007-07, table 43.

Spatial Reference System^c # Classes

URI	`http://www.opengis.net/ont/srs/SpatialReferenceSystem`
Description	A reference system allowing the description of a position.
Super-classes	geosrs:ReferenceSystem^c
Sub-classes	Coordinate Reference System^c

spherical coordinate system^c # Classes

URI	`http://www.opengis.net/ont/srs/SphericalCS`

transformation^c # Classes

URI	`http://www.opengis.net/ont/srs/Transformation`
Description	Coordinate operation in which the two coordinate reference systems are based on different datums. Cf. ISO 19111:2007:2007-07, table 44.

vertical coordinate system^c # Classes

URI	`http://www.opengis.net/ont/srs/VerticalCS`
Description	One-dimensional coordinate system used for gravity related height or depth measurements. Cf. ISO 19111:2007:2007-07, tables 15 and 25.

Vertical Datum^c # Classes

URI	`http://www.opengis.net/ont/srs/VerticalDatum`
Description	Datum describing the relation of gravity-related heights or depths to the Earth. Cf. ISO 19111:2007:2007-07, table 41 and annex B.3.3.

conversion^c # Classes

URI	`http://www.opengis.net/ont/srs/conversion`
Description	Coordinate operation in which both coordinate reference systems are based on the same datum. Cf. ISO 19111:2007:2007-07, table 45 and annex B.4.2.

axis^op # OPs

URI	`http://www.opengis.net/ont/srs/axis`
Description	The property relates a coordinate system to one of its axis
Domain(s)	coordinate system^c
Range(s)	geosrs:Axis^c

axisdirection^op # OPs

URI	`http://www.opengis.net/ont/srs/axisDirection`
Description	The property relates a coordinate system axis to its axis direction
Domain(s)	geosrs:Axis^c
Range(s)	geosrs:AxisDirection^c

base CRS^op # OPs

URI	`http://www.opengis.net/ont/srs/baseCRS`
Description	The geodetic coordinate reference system on which a projected coordinate reference system is based. Cf. ISO 19111:2007:2007-07, table 11, association role baseCRS.
Domain(s)	Coordinate Reference System^c
Range(s)	geosrs:CRS^c

coordinate system^op # OPs

URI	`http://www.opengis.net/ont/srs/coordinateSystem`
Description	The property relates a coordinate reference system to its coordinate system
Domain(s)	Coordinate Reference System^c
Range(s)	geosrs:CoordinateSystem^c

datum^op # OPs

URI	`http://www.opengis.net/ont/srs/datum`
Description	The property relates a coordinate reference system to a datum
Domain(s)	Coordinate Reference System^c
Range(s)	geosrs:Datum^c

ellipsoid^op # OPs

URI	`http://www.opengis.net/ont/srs/ellipsoid`
Description	The properties relates a datum to its ellipsoid definition
Domain(s)	Datum^c
Range(s)	geosrs:Ellipsoid^c

semi major axis^op # OPs

URI	`http://www.opengis.net/ont/srs/semiMajorAxis`
Description	Indicates the length of the semi major axis of an ellipsoid. Cf. ISO 19111:2007:2007-07, table 36, attribute length of semi-major axis.
Domain(s)	Ellipsoid^c
Range(s)	geosrs:Axis^c

semi minor axis^op # OPs

URI	`http://www.opengis.net/ont/srs/semiMinorAxis`
Description	Indicates the length of the semi minor axis of an ellipsoid. Cf. ISO 19111:2007:2007-07, table 37, attribute length of semi-minor axis.
Domain(s)	Ellipsoid^c
Range(s)	geosrs:Axis^c

source CRS^op # OPs

URI	`http://www.opengis.net/ont/srs/sourceCRS`
Description	The coordinate reference system associated to the data used as input of a given operation. Cf. ISO 19111:2007:2007-07, table 42, named association Source.
Domain(s)	Coordinate Reference System^c
Range(s)	geosrs:CRS^c

target CRS^op # OPs

URI	`http://www.opengis.net/ont/srs/targetCRS`
Description	The coordinate reference system associated to the data obtained as output of a given operation. Cf. ISO 19111:2007:2007-07, table 42, named association Target.
Domain(s)	Coordinate Reference System^c
Range(s)	geosrs:CRS^c

Namespaces ↑

default (geosrs): http://www.opengis.net/ont/srs/
brick: https://brickschema.org/schema/Brick#
csvw: http://www.w3.org/ns/csvw#
dc: http://purl.org/dc/elements/1.1/
dcam: http://purl.org/dc/dcam/
dcat: http://www.w3.org/ns/dcat#
dcmitype: http://purl.org/dc/dcmitype/
dcterms: http://purl.org/dc/terms/
doap: http://usefulinc.com/ns/doap#
foaf: http://xmlns.com/foaf/0.1/
geo: http://www.opengis.net/ont/geosparql#
odrl: http://www.w3.org/ns/odrl/2/
org: http://www.w3.org/ns/org#
owl: http://www.w3.org/2002/07/owl#
prof: http://www.w3.org/ns/dx/prof/
prov: http://www.w3.org/ns/prov#
qb: http://purl.org/linked-data/cube#
rdf: http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: http://www.w3.org/2000/01/rdf-schema#
sdo: https://schema.org/
sh: http://www.w3.org/ns/shacl#
skos: http://www.w3.org/2004/02/skos/core#
sosa: http://www.w3.org/ns/sosa/
ssn: http://www.w3.org/ns/ssn/
time: http://www.w3.org/2006/time#
vann: http://purl.org/vocab/vann/
void: http://rdfs.org/ns/void#
wgs: https://www.w3.org/2003/01/geo/wgs84_pos#
xsd: http://www.w3.org/2001/XMLSchema#

^c	Classes
^op	Object Properties
^fp	Functional Properties
^dp	Data Properties
^ap	Annotation Properties
^p	Properties
ⁿⁱ	Named Individuals

SRS Ontology

Metadata

Table of Contents

Overview

Classes ↑

Engineering Coordinate Reference Systemc # Classes

Coordinate Reference Systemc # Classes

cartesian coordinate systemc # Classes

coordinate operationc # Classes

coordinate systemc # Classes

coordinate system axisc # Classes

Datumc # Classes

Ellipsoidc # Classes

ellipsoidal coordinate systemc # Classes

Geodetic Coordinate Reference Systemc # Classes

Geodetic Datumc # Classes

Geographic Coordinate Reference Systemc # Classes

linear coordinate systemc # Classes

operation methodc # Classes

operation parameterc # Classes

operation parameter valuec # Classes

ordinal coordinate systemc # Classes

parametric coordinate systemc # Classes

polar coordinate systemc # Classes

Prime meridianc # Classes

Projected Coordinate Reference Systemc # Classes

Single Coordinate Reference Systemc # Classes

single operationc # Classes

Spatial Reference Systemc # Classes

spherical coordinate systemc # Classes

transformationc # Classes

vertical coordinate systemc # Classes

Vertical Datumc # Classes

conversionc # Classes

Object Properties ↑

axisop # OPs

axisdirectionop # OPs

base CRSop # OPs

coordinate systemop # OPs

datumop # OPs

ellipsoidop # OPs

semi major axisop # OPs

semi minor axisop # OPs

source CRSop # OPs

target CRSop # OPs

Namespaces ↑

Legend

Engineering Coordinate Reference System^c # Classes

Coordinate Reference System^c # Classes

cartesian coordinate system^c # Classes

coordinate operation^c # Classes

coordinate system^c # Classes

coordinate system axis^c # Classes

Datum^c # Classes

Ellipsoid^c # Classes

ellipsoidal coordinate system^c # Classes

Geodetic Coordinate Reference System^c # Classes

Geodetic Datum^c # Classes

Geographic Coordinate Reference System^c # Classes

linear coordinate system^c # Classes

operation method^c # Classes

operation parameter^c # Classes

operation parameter value^c # Classes

ordinal coordinate system^c # Classes

parametric coordinate system^c # Classes

polar coordinate system^c # Classes

Prime meridian^c # Classes

Projected Coordinate Reference System^c # Classes

Single Coordinate Reference System^c # Classes

single operation^c # Classes

Spatial Reference System^c # Classes

spherical coordinate system^c # Classes

transformation^c # Classes

vertical coordinate system^c # Classes

Vertical Datum^c # Classes

conversion^c # Classes

axis^op # OPs

axisdirection^op # OPs

base CRS^op # OPs

coordinate system^op # OPs

datum^op # OPs

ellipsoid^op # OPs

semi major axis^op # OPs

semi minor axis^op # OPs

source CRS^op # OPs

target CRS^op # OPs