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Cairn (AL025)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: al025.ttl

Name

Cairn

Kind

FeatureType

Definition

A heap of stones piled up as a memorial or a landmark.

Accepted

2013-10-18

Geometry

point, curve, surface

Subtype of

ZI028 Feature Entity

Attributes

• COA Conspicuous Air Category — multiplicity 0..1; datatype Cairn_conspicuousAirCategoryMeta; values: COA_1 Visual and Radar, COA_2 Visual, COA_3 Radar, COA_4 Not Conspicuous
• COG Conspicuous Ground Category — multiplicity 0..1; datatype Cairn_conspicuousGroundCategoryMeta; values: COG_2 Visual, COG_4 Not Conspicuous
• COC Conspicuous Sea Category — multiplicity 0..1; datatype Cairn_conspicuousSeaCategoryMeta; values: COC_1 Visual and Radar, COC_2 Visual, COC_3 Radar, COC_4 Not Conspicuous
• HGT Height Above Surface Level — multiplicity 0..1; datatype HeightMeasureMeta
• ZVH Highest Elevation — multiplicity 0..1; datatype ElevationMeasureMeta
• PCF Physical Condition — multiplicity 0..1; datatype Cairn_physicalConditionMeta; values: PCF_1 Construction, PCF_2 Intact, PCF_3 Unmaintained, PCF_4 Damaged, PCF_5 Dismantled, PCF_6 Destroyed
• MCC Structural Material Type — multiplicity 0..*; datatype Cairn_structMatTypeMeta; values: MCC_108 Stone, MCC_117 Wood, MCC_21 Concrete, MCC_8 Boulders, MCC_9 Brick
• WLE Water Level Effect — multiplicity 0..1; datatype Cairn_waterLevelEffectMeta; values: WLE_1 Partly Submerged At High Water, WLE_2 Always Dry, WLE_4 Covers and Uncovers

Associations

• CairnHydrographicBaseHeightInfo → ZI400 Hydrographic Base Height Information (0..1)
• CairnLandmarkInfo → LM010 Landmark Information (0..1)

RWOI terms naming it

• RWO_00553 Cairn

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.