Axis Direction standard values
Axis positive direction is north. In a geographic or projected CRS, north is defined through the geodetic datum. In an engineering CRS, north may be defined with respect to an engineering object rather than a geographical direction.
urn:opengis:def:axisDirection:OGC:1.0:north
Axis positive direction is approximately north-north-east.
urn:opengis:def:axisDirection:OGC:1.0:northNorthEast
Axis positive direction is approximately north-east.
urn:opengis:def:axisDirection:OGC:1.0:northEast
Axis positive direction is approximately east-north-east.
urn:opengis:def:axisDirection:OGC:1.0:eastNorthEast
Axis positive direction is pi/2 radians clockwise from north.
urn:opengis:def:axisDirection:OGC:1.0:east
Axis positive direction is approximately east-south-east.
urn:opengis:def:axisDirection:OGC:1.0:eastSouthEast
Axis positive direction is approximately south-east.
urn:opengis:def:axisDirection:OGC:1.0:southEast
Axis positive direction is approximately south-south-east.
urn:opengis:def:axisDirection:OGC:1.0:southSouthEast
Axis positive direction is pi radians clockwise from north.
urn:opengis:def:axisDirection:OGC:1.0:south
Axis positive direction is approximately south-south-west.
urn:opengis:def:axisDirection:OGC:1.0:southSouthWest
Axis positive direction is approximately south-west.
urn:opengis:def:axisDirection:OGC:1.0:southWest
Axis positive direction is approximately west-south-west.
urn:opengis:def:axisDirection:OGC:1.0:westSouthWest
Axis positive direction is 3pi/2 radians clockwise from north.
urn:opengis:def:axisDirection:OGC:1.0:west
Axis positive direction is approximately west-north-west.
urn:opengis:def:axisDirection:OGC:1.0:westNorthWest
Axis positive direction is approximately north-west.
urn:opengis:def:axisDirection:OGC:1.0:northWest
Axis positive direction is approximately north-north-west.
urn:opengis:def:axisDirection:OGC:1.0:northNorthWest
Axis positive direction is up relative to gravity.
urn:opengis:def:axisDirection:OGC:1.0:up
Axis positive direction is down relative to gravity.
urn:opengis:def:axisDirection:OGC:1.0:down
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.
urn:opengis:def:axisDirection:OGC:1.0:geocentricX
Axis positive direction is in the equatorial plane from the centre of the modelled earth towards the intersection of the equator and the meridian pi/2 radians eastwards from the prime meridian.
urn:opengis:def:axisDirection:OGC:1.0:geocentricY
Axis positive direction is from the centre of the modelled earth parallel to its rotation axis and towards its north pole.
urn:opengis:def:axisDirection:OGC:1.0:geocentricZ
Axis positive direction is towards the future.
urn:opengis:def:axisDirection:OGC:1.0:future
Axis positive direction is towards the past.
urn:opengis:def:axisDirection:OGC:1.0:past
Axis positive direction is towards higher column numbers.
urn:opengis:def:axisDirection:1.0:columnPositive
Axis positive direction is towards lower pixel column numbers.
urn:opengis:def:axisDirection:OGC:1.0:columnNegative
Axis positive direction is towards higher row numbers.
urn:opengis:def:axisDirection:1.0:rowPositive
Axis positive direction is towards lower pixel row numbers.
urn:opengis:def:axisDirection:OGC:1.0:rowNegative
Axis positive direction is right in display.
urn:opengis:def:axisDirection:OGC:1.0:displayRight
Axis positive direction is left in display.
urn:opengis:def:axisDirection:OGC:1.0:displayLeft
Axis positive direction is towards top of approximately vertical display surface.
urn:opengis:def:axisDirection:OGC:1.0:displayUp
Axis positive direction is towards bottom of approximately vertical display surface.
urn:opengis:def:axisDirection:OGC:1.0:displayDown