Class: StacExtensionProperties¶

Extension properties added to STAC item.properties under the debrief: namespace. All properties are optional — existing items without extension properties remain valid. These properties enable filtering, searching, and colour-coding in the Discovery UI.

__

URI: debrief:class/StacExtensionProperties

 classDiagram
    class StacExtensionProperties
    click StacExtensionProperties href "../../classes/StacExtensionProperties/"
      StacExtensionProperties : feature_tags

      StacExtensionProperties : overrides

      StacExtensionProperties : platforms





        StacExtensionProperties --> "*" PlatformRecord : platforms
        click PlatformRecord href "../../classes/PlatformRecord/"



      StacExtensionProperties : provenance_log





        StacExtensionProperties --> "*" PropertiesProvenanceEntry : provenance_log
        click PropertiesProvenanceEntry href "../../classes/PropertiesProvenanceEntry/"



      StacExtensionProperties : tags

Slots¶

Name	Cardinality and Range	Description	Inheritance
platforms	* PlatformRecord	Fully-resolved per-platform metadata array	direct
tags	* String	Plot-level tags — free-text labels applied to the entire plot by the analyst	direct
feature_tags	* String	Union of all feature-level tags from the plot's GeoJSON features	direct
overrides	* String	Flat list of field names on item	direct
provenance_log	* PropertiesProvenanceEntry	Per-commit provenance entries written by the Properties Panel	direct

Identifier and Mapping Information¶

Schema Source¶

from schema: https://debrief.info/schemas/debrief

Mappings¶

Mapping Type	Mapped Value
self	debrief:StacExtensionProperties
native	debrief:StacExtensionProperties

LinkML Source¶

Direct¶

name: StacExtensionProperties
description: 'Extension properties added to STAC item.properties under the debrief:
  namespace. All properties are optional — existing items without extension properties
  remain valid. These properties enable filtering, searching, and colour-coding in
  the Discovery UI.

  '
from_schema: https://debrief.info/schemas/debrief
attributes:
  platforms:
    name: platforms
    description: 'Fully-resolved per-platform metadata array. Each entry represents
      one platform in the plot with merged registry + override data.

      '
    from_schema: https://debrief.info/schemas/stac-extension
    rank: 1000
    slot_uri: debrief:platforms
    domain_of:
    - StacExtensionProperties
    - StacItemSummary
    range: PlatformRecord
    required: false
    multivalued: true
    inlined: true
    inlined_as_list: true
  tags:
    name: tags
    description: 'Plot-level tags — free-text labels applied to the entire plot by
      the analyst. Trimmed non-empty strings with no duplicates.

      '
    from_schema: https://debrief.info/schemas/stac-extension
    slot_uri: debrief:tags
    domain_of:
    - BaseFeatureProperties
    - StacExtensionProperties
    - StacItemSummary
    range: string
    required: false
    multivalued: true
  feature_tags:
    name: feature_tags
    description: 'Union of all feature-level tags from the plot''s GeoJSON features.
      Aggregated at item level for discoverability. Authoritative per-feature tags
      remain in each GeoJSON feature''s properties.

      '
    from_schema: https://debrief.info/schemas/stac-extension
    rank: 1000
    slot_uri: debrief:feature_tags
    domain_of:
    - StacExtensionProperties
    - StacItemSummary
    range: string
    required: false
    multivalued: true
  overrides:
    name: overrides
    description: 'Flat list of field names on item.properties that the analyst has
      overridden via the Properties Panel. Auto-derivation routines (e.g. stacService.updateTemporalMetadata)
      MUST skip any field whose name appears here. Sorted alphabetically on write;
      deduplicated.

      '
    from_schema: https://debrief.info/schemas/stac-extension
    rank: 1000
    slot_uri: debrief:overrides
    domain_of:
    - StacExtensionProperties
    range: string
    required: false
    multivalued: true
  provenance_log:
    name: provenance_log
    description: 'Per-commit provenance entries written by the Properties Panel. Bounded
      at 500 entries per item; overflow rotates to sibling provenance_log_archive.jsonl
      in the item directory. Append-only (Article III.3 — audit trail immutable).

      '
    from_schema: https://debrief.info/schemas/stac-extension
    rank: 1000
    slot_uri: debrief:provenance_log
    domain_of:
    - StacExtensionProperties
    range: PropertiesProvenanceEntry
    required: false
    multivalued: true
    inlined: true
    inlined_as_list: true

Induced¶

name: StacExtensionProperties
description: 'Extension properties added to STAC item.properties under the debrief:
  namespace. All properties are optional — existing items without extension properties
  remain valid. These properties enable filtering, searching, and colour-coding in
  the Discovery UI.

  '
from_schema: https://debrief.info/schemas/debrief
attributes:
  platforms:
    name: platforms
    description: 'Fully-resolved per-platform metadata array. Each entry represents
      one platform in the plot with merged registry + override data.

      '
    from_schema: https://debrief.info/schemas/stac-extension
    rank: 1000
    slot_uri: debrief:platforms
    alias: platforms
    owner: StacExtensionProperties
    domain_of:
    - StacExtensionProperties
    - StacItemSummary
    range: PlatformRecord
    required: false
    multivalued: true
    inlined: true
    inlined_as_list: true
  tags:
    name: tags
    description: 'Plot-level tags — free-text labels applied to the entire plot by
      the analyst. Trimmed non-empty strings with no duplicates.

      '
    from_schema: https://debrief.info/schemas/stac-extension
    slot_uri: debrief:tags
    alias: tags
    owner: StacExtensionProperties
    domain_of:
    - BaseFeatureProperties
    - StacExtensionProperties
    - StacItemSummary
    range: string
    required: false
    multivalued: true
  feature_tags:
    name: feature_tags
    description: 'Union of all feature-level tags from the plot''s GeoJSON features.
      Aggregated at item level for discoverability. Authoritative per-feature tags
      remain in each GeoJSON feature''s properties.

      '
    from_schema: https://debrief.info/schemas/stac-extension
    rank: 1000
    slot_uri: debrief:feature_tags
    alias: feature_tags
    owner: StacExtensionProperties
    domain_of:
    - StacExtensionProperties
    - StacItemSummary
    range: string
    required: false
    multivalued: true
  overrides:
    name: overrides
    description: 'Flat list of field names on item.properties that the analyst has
      overridden via the Properties Panel. Auto-derivation routines (e.g. stacService.updateTemporalMetadata)
      MUST skip any field whose name appears here. Sorted alphabetically on write;
      deduplicated.

      '
    from_schema: https://debrief.info/schemas/stac-extension
    rank: 1000
    slot_uri: debrief:overrides
    alias: overrides
    owner: StacExtensionProperties
    domain_of:
    - StacExtensionProperties
    range: string
    required: false
    multivalued: true
  provenance_log:
    name: provenance_log
    description: 'Per-commit provenance entries written by the Properties Panel. Bounded
      at 500 entries per item; overflow rotates to sibling provenance_log_archive.jsonl
      in the item directory. Append-only (Article III.3 — audit trail immutable).

      '
    from_schema: https://debrief.info/schemas/stac-extension
    rank: 1000
    slot_uri: debrief:provenance_log
    alias: provenance_log
    owner: StacExtensionProperties
    domain_of:
    - StacExtensionProperties
    range: PropertiesProvenanceEntry
    required: false
    multivalued: true
    inlined: true
    inlined_as_list: true