Class IfcSceneBuilder

constructor

• new IfcSceneBuilder(
      model: default,
      conwayGeometry: ConwayGeometry,
      materials: IfcMaterialCache,
  ): IfcSceneBuilder

• Parameters

  • model: default
  • conwayGeometry: ConwayGeometry
  • materials: IfcMaterialCache

  Returns IfcSceneBuilder

ReadonlyconwayGeometry

Readonlymaterials

Readonlymodel

roots

currentTransform

• get currentTransform(): undefined | IfcSceneTransform

• Get the current transform for this.

  Returns undefined | IfcSceneTransform

addGeometry

• addGeometry(
      localID: number,
      owningElementLocalID?: number,
      isSpace?: boolean,
      materialOverrideLocalID?: number,
  ): IfcSceneGeometry

• Parameters

  • localID: number
  • OptionalowningElementLocalID: number
  • OptionalisSpace: boolean
  • OptionalmaterialOverrideLocalID: number

  Returns IfcSceneGeometry

addTransform

• addTransform(
      localID: number,
      transform: readonly number[],
      nativeTransform: NativeTransform4x4,
      isMappedItem?: boolean,
  ): IfcSceneTransform

• Parameters

  • localID: number
  • transform: readonly number[]
  • nativeTransform: NativeTransform4x4
  • isMappedItem: boolean = false

  Returns IfcSceneTransform

buildPackedMeshModel

• buildPackedMeshModel(): PackedMesh<default>

• Build a packed/optimised mesh model with triangle element maps.

  Returns PackedMesh<default>

  Maps materials to a geometry object and triangle element map.

clearParentStack

• clearParentStack(): void

• Returns void

getByNodeIndex

• getByNodeIndex(nodeIndex: number): undefined | IfcSceneNode

• Parameters

  • nodeIndex: number

  Returns undefined | IfcSceneNode

getGeometry

• getGeometry(localID: number): undefined | IfcSceneGeometry

• Parameters

  • localID: number

  Returns undefined | IfcSceneGeometry

getTransform

• getTransform(localID: number): undefined | IfcSceneTransform

• Parameters

  • localID: number

  Returns undefined | IfcSceneTransform

hasGeometry

• hasGeometry(localID: number): boolean

• Does this scene have a particular piece of geometry?

  Parameters

  • localID: number

    The local ID of the geometry

  Returns boolean

  True if the scene has this geometry.

isAllSpaces

• isAllSpaces(): boolean

• Are all the geometry nodes in the scene spaces

  Returns boolean

  Are all the geometry nodes in the scene spaces

popTransform

• popTransform(): void

• Returns void

pushTransform

• pushTransform(transform: IfcSceneTransform): void

• Parameters

  • transform: IfcSceneTransform

  Returns void

walk

• walk(
      includeSpaces?: boolean,
  ): IterableIterator<
      [
          undefined
          | readonly number[],
          undefined | NativeTransform4x4,
          CanonicalMesh,
          undefined | CanonicalMaterial,
          undefined | default<EntityTypesIfc>,
      ],
  >

• Walk the current scene.

  Parameters

  • includeSpaces: boolean = false

  Returns IterableIterator<
      [
          undefined
          | readonly number[],
          undefined | NativeTransform4x4,
          CanonicalMesh,
          undefined | CanonicalMaterial,
          undefined | default<EntityTypesIfc>,
      ],
  >

  Yields

  Raw absolute matrix transform, the native absolute transform, the canonical mesh, the canonical material and the associated step element as it walks the hierarchy.