Survey control
Survey control marks in GDA2020 / MGA2020.
Part of Projects in the register catalog.
- Register ID
survey_controlUse this name to ask for the register. The API calls it a shelf ID.- Each record is
- A stateThe current value of something, replaced when it changes.
- Status
- PlannedDefined ahead of the connector that will fill it.
- Data
- OrganisationPrivate to each organisation's own workspace.
- Version
- v1Current version.
Connectors
Connected today
Demiton keeps this register current from these systems now.
No system fills this register yet.
On the roadmap
Systems in the planned connector rollout that can fill this register. Partial means the system holds only some of its fields.
None planned yet.
Fields
24 fields: 3 required, 21 optional.
Required
Every record carries these fields.
- source_systemText
Which bound system emitted the row.
- projectText
The project the mark controls.
- mark_idText
The mark's identifier.
Optional
Present when the source system records them.
- external_idText
The source's own record id, where it differs from the mark id.
- mark_aliasText
Another name the mark is known by.
- mark_typeText
The kind of mark.
- monument_typeText
The physical monument.
- mark_statusText
The mark's condition, e.g. intact, damaged or destroyed.
- crsText
The coordinate reference system identifier, e.g. EPSG:7844 or EPSG:7855.
- latitudeDecimal number
The mark's GDA2020 latitude.
- longitudeDecimal number
The mark's GDA2020 longitude.
- eastingDecimal number
The mark's grid easting.
- northingDecimal number
The mark's grid northing.
- map_zoneWhole number
The MGA zone the grid coordinates are in.
- ellipsoidal_heightDecimal number
The height above the GDA2020 ellipsoid.
- ahd_heightDecimal number
The height on the Australian Height Datum.
- horizontal_uncertainty_mDecimal number
The horizontal uncertainty at 95% confidence.
- vertical_uncertainty_mDecimal number
The vertical uncertainty at 95% confidence.
- uncertainty_kindText
Positional, relative or survey uncertainty.
- legacy_classText
The class the mark was given before SP1 retired class and order.
- legacy_orderText
The order the mark was given under the same retired scheme.
- coordinate_lineageText
The adjustment or source the coordinates come from.
- coordinates_published_onDate
When the coordinates were published.
- last_visited_onDate
When the mark was last visited.
Use this contract
The contract is a standard JSON Schema (draft 2020-12) document, so any JSON Schema validator can check a record against it. Keywords starting with x-demiton- add Demiton's own meaning, such as units and requiredness, and validators ignore them.
https://docs.demiton.io/registers/survey_control/v1.jsonShow the full JSON Schema
Loading the schema…
Talk to the team
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