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Demiton

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 numberUnit: degrees

The mark's GDA2020 latitude.

longitudeDecimal numberUnit: degrees

The mark's GDA2020 longitude.

eastingDecimal numberUnit: m

The mark's grid easting.

northingDecimal numberUnit: m

The mark's grid northing.

map_zoneWhole number

The MGA zone the grid coordinates are in.

ellipsoidal_heightDecimal numberUnit: m

The height above the GDA2020 ellipsoid.

ahd_heightDecimal numberUnit: m

The height on the Australian Height Datum.

horizontal_uncertainty_mDecimal numberUnit: m

The horizontal uncertainty at 95% confidence.

vertical_uncertainty_mDecimal numberUnit: m

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_onDateYYYY-MM-DD

When the coordinates were published.

last_visited_onDateYYYY-MM-DD

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.

Schema URL
https://docs.demiton.io/registers/survey_control/v1.json
Show the full JSON Schema

Loading the schema…

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