Class: PhysicalElement

Base class for physical elements that can be placed in built asset/level context.

• NOTE: this is an abstract class and should not be instantiated directly

URI: pbs:PhysicalElement

classDiagram
direction TB
class PhysicalElement
click PhysicalElement href "./PhysicalElement.html" _blank
Entity <|-- PhysicalElement
click Entity href "./Entity.html" _blank
PhysicalElement <|-- Separator
click Separator href "./Separator.html" _blank
PhysicalElement <|-- ConnectionPhysical
click ConnectionPhysical href "./ConnectionPhysical.html" _blank
PhysicalElement <|-- Boundary
click Boundary href "./Boundary.html" _blank
PhysicalElement <|-- Equipment
click Equipment href "./Equipment.html" _blank
click Entity href "./Entity.html" _blank
click Classification href "./Classification.html" _blank
click GeometryRepresentation href "./GeometryRepresentation.html" _blank
click LocalizedText href "./LocalizedText.html" _blank
click LocalizedText href "./LocalizedText.html" _blank
click MetadataEntry href "./MetadataEntry.html" _blank
click BuiltAssetContext href "./BuiltAssetContext.html" _blank
click LevelContext href "./LevelContext.html" _blank
click PerformanceProperty href "./PerformanceProperty.html" _blank
click QuantityValue href "./QuantityValue.html" _blank
click StatusType href "./StatusType.html" _blank

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Inheritance

• Entity
  • PhysicalElement
    • Separator
    • ConnectionPhysical
    • Boundary
    • Equipment

Class Properties

Property	Value
Class URI	pbs:PhysicalElement

Slots

Name	Cardinality and Range	Description	Inheritance
parent_building	0..1 BuiltAssetContext	Parent building context reference.	direct
parent_level	0..1 LevelContext	Parent level/storey context reference.	direct
id	1 String	Unique local identifier.	Entity
content_kind	1 String	Entity type discriminator for adapter projection and querying. Must be a ContentKind value.	Entity
name	1 String	Default display name.	Entity
localized_names	* LocalizedText	Localized variants of name.	Entity
description	0..1 String	Default description text.	Entity
meaning_uri	0..1 Uriorcurie	Optional semantic URI for linking the entity instance to an external ontology concept.	Entity
localized_descriptions	* LocalizedText	Localized variants of description.	Entity
ifc_global_id	0..1 String	IFC GlobalId of the mapped entity.	Entity
classifications	* Classification	Classification entries from IFC and other schemes.	Entity
geometry_representations	* GeometryRepresentation	Geometry references associated with the entity. A single element may link to multiple geometry representations to serve different intents (authoring, coordination, analysis, visualization) without duplicating the element itself.	Entity
quantity_values	* QuantityValue	Quantities associated with the entity.	Entity
metadata	* MetadataEntry	Generic metadata container for IFC attributes/properties and project-specific extensions.	Entity
performance_properties	* PerformanceProperty	Normalized, strongly typed domain properties (fire/acoustic/thermal/structural/ security/material) extracted from raw IFC PropertySet values.	Entity
applies_to_entities	* Entity	Model entities this record applies to (requirements, cost items, schedule items, etc.).	Entity
created_at	0..1 Datetime	Creation timestamp for this entity record.	Entity
modified_at	0..1 Datetime	Last modification timestamp for this entity record.	Entity
revision	0..1 Integer	Integer revision counter for change tracking.	Entity
status	0..1 StatusType	Lifecycle or QA status.	Entity

Usages

used by	used in	type	used
Space	bounded_by	range	PhysicalElement
ConnectionVirtual	connects_physical_elements	range	PhysicalElement

Identifier and Mapping Information

Schema Source

• from schema: https://schema.pragmaticbim.ch

Mappings

Mapping Type	Mapped Value
self	pbs:PhysicalElement
native	pbs:PhysicalElement
exact	bot:Element, ifcowl:IfcElement

LinkML Source

Direct

name: PhysicalElement
description: Base class for physical elements that can be placed in built asset/level
  context.
from_schema: https://schema.pragmaticbim.ch
exact_mappings:
- bot:Element
- ifcowl:IfcElement
is_a: Entity
abstract: true
slots:
- parent_building
- parent_level
slot_usage:
  content_kind:
    name: content_kind
    equals_string: physical
  parent_building:
    name: parent_building
    range: BuiltAssetContext
  parent_level:
    name: parent_level
    range: LevelContext
class_uri: pbs:PhysicalElement

Induced

name: PhysicalElement
description: Base class for physical elements that can be placed in built asset/level
  context.
from_schema: https://schema.pragmaticbim.ch
exact_mappings:
- bot:Element
- ifcowl:IfcElement
is_a: Entity
abstract: true
slot_usage:
  content_kind:
    name: content_kind
    equals_string: physical
  parent_building:
    name: parent_building
    range: BuiltAssetContext
  parent_level:
    name: parent_level
    range: LevelContext
attributes:
  parent_building:
    name: parent_building
    description: Parent building context reference.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - PhysicalElement
    - SpatialContext
    - Space
    - System
    range: BuiltAssetContext
  parent_level:
    name: parent_level
    description: Parent level/storey context reference.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - PhysicalElement
    - SpatialContext
    - Space
    range: LevelContext
  id:
    name: id
    description: Unique local identifier.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    identifier: true
    owner: PhysicalElement
    domain_of:
    - Entity
    - Change
    range: string
    required: true
  content_kind:
    name: content_kind
    description: Entity type discriminator for adapter projection and querying. Must
      be a ContentKind value.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: string
    required: true
    equals_string: physical
  name:
    name: name
    description: Default display name.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: string
    required: true
  localized_names:
    name: localized_names
    description: Localized variants of name.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: LocalizedText
    multivalued: true
    inlined: true
  description:
    name: description
    description: Default description text.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: string
  meaning_uri:
    name: meaning_uri
    description: Optional semantic URI for linking the entity instance to an external
      ontology concept.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: uriorcurie
  localized_descriptions:
    name: localized_descriptions
    description: Localized variants of description.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: LocalizedText
    multivalued: true
    inlined: true
  ifc_global_id:
    name: ifc_global_id
    description: IFC GlobalId of the mapped entity.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    - Change
    range: string
    pattern: ^[0-3][0-9A-Za-z_$]{21}$
  classifications:
    name: classifications
    description: Classification entries from IFC and other schemes.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    - Artifact
    range: Classification
    multivalued: true
    inlined: true
  geometry_representations:
    name: geometry_representations
    description: 'Geometry references associated with the entity. A single element
      may link to multiple geometry representations to serve different intents (authoring,
      coordination, analysis, visualization) without duplicating the element itself.

      '
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: GeometryRepresentation
    multivalued: true
    inlined: true
  quantity_values:
    name: quantity_values
    description: Quantities associated with the entity.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: QuantityValue
    multivalued: true
    inlined: true
  metadata:
    name: metadata
    description: Generic metadata container for IFC attributes/properties and project-specific
      extensions.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: MetadataEntry
    multivalued: true
    inlined: true
  performance_properties:
    name: performance_properties
    description: 'Normalized, strongly typed domain properties (fire/acoustic/thermal/structural/
      security/material) extracted from raw IFC PropertySet values.

      '
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: PerformanceProperty
    multivalued: true
    inlined: true
  applies_to_entities:
    name: applies_to_entities
    description: Model entities this record applies to (requirements, cost items,
      schedule items, etc.).
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    - TimeRecord
    - CostRecord
    range: Entity
    multivalued: true
    inlined: false
  created_at:
    name: created_at
    description: Creation timestamp for this entity record.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: datetime
  modified_at:
    name: modified_at
    description: Last modification timestamp for this entity record.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: datetime
  revision:
    name: revision
    description: Integer revision counter for change tracking.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: integer
    minimum_value: 0
  status:
    name: status
    description: Lifecycle or QA status.
    from_schema: https://schema.pragmaticbim.ch
    rank: 1000
    owner: PhysicalElement
    domain_of:
    - Entity
    range: StatusType
class_uri: pbs:PhysicalElement