BimCoreApi

BimCoreApi is a generic API class. It is completely unaware about the Twinfinity API backend and can therefore be used as a base for integration with a completely different backend. This must be used in conjunction with a specialized implementation of BimCoreApiClient. BimApi is an actual example of such an implementation.

Hierarchy

BimCoreApi
- BimApi

Index

Constructors

publicconstructor

new BimCoreApi(htmlCanvasElement: HTMLCanvasElement, _bimBackendApi: BimCoreApiClient): BimCoreApi

Constructor. Use createApi instead.
Parameters
- htmlCanvasElement: HTMLCanvasElement
- _bimBackendApi: BimCoreApiClient
Returns BimCoreApi

Properties

publicreadonlycamera

camera: BimCamera

Camera is an instance of BimCamera and used for manipulating the 3D camera view of the BIM viewer.

publicreadonlyviewer

viewer: TwinfinityViewer

Exposes viewer internals. Use this to access BabylonJS API. Disclaimer! Accessing BabylonJS internals is considered advanced usage and you are effectively bypassing BimCoreApi (and subclasses). We cannot make guarantees that:

BabylonJS APIs will remain backwards compatible. Therefore, your application may break when BabylonJS is updated to a new version.
Babylonjs data that BimCoreApi creates, such as scene hierarchy, lights, camera etc., will remain backwards compatible between versions. Relying on this may break your application.
Your modifications to BabylonJS data (such as scene hierarchy, lights, cameras etc.) will not be changed by code in this package.
Other bugs will not occur as a result of direct usage of BabylonJS APIs. https://doc.babylonjs.com/api/classes/babylon.scene

@example

api.viewer.scene.ambientColor = new Color3(1, 0, 0);

publicstaticrunRenderLoop
beta

runRenderLoop: RunRenderLoopHandler = ...

Extension point for applications that need to run the renderloop outside their own change handling (AngularJs is one such example). Assignment should be done before creation of a BimCoreApi instance.

@example

Example for Angular JS

 const bimApi: BimApi;
 BimCoreApi.runRenderLoop = this.ngZone.runOutSideAngular;

@param

Renderloop function will be provided by the viewer. Simply call it in your provided function

Accessors

publicaxes

get axes(): boolean
set axes(isEnabled: boolean): void

Gets or sets a value indicating whether to hide or show coordinate system axes.
Returns boolean
Parameters
- isEnabled: boolean
Returns void

publicbackend

get backend(): BimCoreApiClient

Direct access to the methods for communicating with the backend.
Returns BimCoreApiClient

publicgrid

get grid(): GridOptions

Gets or sets options for 3D help grid visualization.
Returns GridOptions

publicisSkyboxEnabled

get isSkyboxEnabled(): boolean
set isSkyboxEnabled(enabled: boolean): void

Gets or sets a value indicating whether to show or hide skybox.
Returns boolean
Parameters
- enabled: boolean
Returns void

publiconPointerObservable

get onPointerObservable(): Observable<DeepImmutableObject<PointerInfoWithTimings>>

Subscribe to get access to pointer events (mouse, touchpad etc) and to determine what (if anything) a mouse click interacted with (what object was ‘picked’ in the 3D scene).
Returns Observable<DeepImmutableObject<PointerInfoWithTimings>>

publicselectables

get selectables(): Selectables

Exposes methods related to selection operations. For example, what the user actually clicked on.
Returns Selectables

Methods

publicapplyVisualChanges

applyVisualChanges(): Promise<void>

@async
Updates the viewer with the latest visual changes on BIM objects. See foreach for an example.
Returns Promise<void>

publicclear

clear(): void

Clears api (any loaded IFC files etc are unloaded).
Returns void

publiccreateCoordinateTracker

createCoordinateTracker<Tracked3D>(): CoordinateTracker<Tracked3D>

Gets a CoordinateTracker instance.
Type parameters
- Tracked3D: Vertex3 = any
Returns CoordinateTracker<Tracked3D>

publicfilter

filter(predicate: BimIfcObjectForEachPredicate): BimIfcObject[]

Iterate the BimIfcObject instances and return those that match the specified predicate.
Parameters
- predicate: BimIfcObjectForEachPredicate
  Predicate. Items matching this will be returned in array format.
Returns BimIfcObject[]
Array with BimIfcObject instances matched by the specified predicate.

publicforeach

foreach(a: BimIfcObjectForEachAction): void

Use this function to iterate over all BIM objects.

@example

api.foreach((o, recursionOptions) => {
    if (o.hasGeometry && o.class.id !== "IfcFlowSegment") {
        console.log(o.gid);
        o.visible(true);
    } else {
        o.visible(false);
    }
});

Parameters

a: BimIfcObjectForEachAction

Returns void

publicgetIntersections

getIntersections(origin: Vector3, direction: Vector3, objects?: BimIfcObject[]): undefined | Intersection[]

Intersects all visible BIM objects using ray from origin towards direction

@example

// GetIntersections makes a hit test on all visible BIM objects, from origin in direction and return first object intersection.
const intersections = this.api.getIntersections([0, 0, 0], [1, 1, 1]);

@example

// GetIntersections makes a hit test on a subset of  BIM objects, from origin in direction and return first object intersection.
const intersections = this.api.withSelection(myVisibleObjects, objects => this.api.getIntersections([0, 0, 0], [1, 1, 1]);

@example

// GetIntersections makes a hit test on a subset of visible BIM objects, from origin in direction and return first object intersection.
const intersections = this.api.getIntersections([0, 0, 0], [1, 1, 1], myObjects);

Parameters

origin: Vector3
direction: Vector3
objects: BimIfcObject[] = []

Returns undefined | Intersection[]

Intersection[] | undefined

publicloadPropertySets

loadPropertySets(): Promise<void>

Loads all BIM property sets for all loaded files.
@deprecated
Use ifc.loadPropertySets instead.
Returns Promise<void>

publicon

on(type: click, clickEventHandler: ClickEventHandler): void

Sets a handler to event of given type
@deprecated
Use onPointerObservable instead.
Parameters
- type: click
  Type of event. For now only “click” is supported
- clickEventHandler: ClickEventHandler
Returns void

publicproducts

products(): IterableIterator<BimIfcObject>

Create a iterator that can be used to iterate over all BimIfcObject‘s. Same as foreach but with a iterator instead.

@example

for(const o of api.products()) {
    if (o.hasGeometry && o.class.id !== "IfcFlowSegment") {
        console.log(o.gid);
        o.visible(true);
    } else {
        o.visible(false);
    }
};

Returns IterableIterator<BimIfcObject>

Iterator that can be used to iterate over all BimIfcObject‘s.

publicsetBackgroundColor

setBackgroundColor(color: Color3 | Color): void

Sets background color in viewer
@example
api.setBackgroundColor([0.95, 0.95, 0.95]);
Parameters
- color: Color3 | Color
  RGB in range 0-1
Returns void

publicsetContainer

setContainer(containerOrUrl: URL | BimContainer, options?: BimApiLoadOptions): Promise<void>

@async
Sets the container of the current BimApi instance.
Parameters
- containerOrUrl: URL | BimContainer
  Container object or absolute URL Example: https://bim.foo.com/sites/portal/projects/{project name}
- optionaloptions: BimApiLoadOptions
  Loading options
Returns Promise<void>
Deprecated BimQuery instance. Do not use it. Use foreach, product filter instead

publicsetHighlightColor

setHighlightColor(color: Color3, highlightIndex?: IfcMaterialHighlightIndex): void

Sets highlight color in viewer
@example
api.setHighlightColor([1.0, 0.0, 0.0]); <-- Sets the color of the first highlight index to solid red api.setHighlightColor([0.0, 1.0, 0.0], HighlightIndex.Two); <-- Sets the color of the second highlight index to solid green
Parameters
- color: Color3
  RGB in range 0-1
- highlightIndex: IfcMaterialHighlightIndex = IfcMaterialHighlightIndex.One
  The highlight index tgo change, it’s restricted to One, Two and Three because it makes no sense to change the color of the Empty index (since it’s only there to denote that a productMesh has no highlight). The highlight index defaults to One
Returns void

publicwithVisibleBimObjects

withVisibleBimObjects<T>(visibleBimObjects: BimIfcObject[], action: (objects: BimIfcObject[]) => T): T

Makes it possible to perform API operations, that operate on the set of visible BIM objects, on a smaller set of (still visible) BIM objects
@example
// GetIntersections makes a hit test on a subset of visible BIM objects, from origin in direction and return first object intersection. const intersections = this.api.withVisibleBimObjects(myVisibleBimObjects, objects => api.getIntersections([0, 0, 0], [1, 1, 1]));
Type parameters
- T
Parameters
- visibleBimObjects: BimIfcObject[]
  Visible objects to run operation on
- action: (objects: BimIfcObject[]) => T
  Operation
Returns T

publiczoomToExtent

zoomToExtent(products: BimIfcObject[]): void

This function zooms the camera to contain BIM objects in view frustum.
Parameters
- products: BimIfcObject[]
Returns void

publicstaticcreateApi

createApi<TBimApi>(_htmlElementOrId: string | HTMLElement, apiFactory: (canvas: HTMLCanvasElement) => TBimApi): Promise<TBimApi>

@async

Creates a new instance of BimCoreApi or subclass of BimCoreApi.

@example

// Create an API instance.
const bimCoreApi = await BimCoreApi.create('viewer', canvas => new BimCoreApi(canvas, new BimApiClientTwinfinity()));
const bimApi = await BimCoreApi.create('viewer', canvas => new BimApi(canvas, new BimApiClientTwinfinity()));

Hierarchy

Index

Constructors

Properties

Accessors

Methods

Constructors

publicconstructor

Parameters

htmlCanvasElement: HTMLCanvasElement

_bimBackendApi: BimCoreApiClient

Returns BimCoreApi

Properties

publicreadonlycamera

publicreadonlyviewer

publicstaticrunRenderLoopbeta

Accessors

publicaxes

Returns boolean

Parameters

isEnabled: boolean

Returns void

publicbackend

Returns BimCoreApiClient

publicgrid

Returns GridOptions

publicisSkyboxEnabled

Returns boolean

Parameters

enabled: boolean

Returns void

publiconPointerObservable

Returns Observable<DeepImmutableObject<PointerInfoWithTimings>>

publicselectables

Returns Selectables

Methods

publicapplyVisualChanges

Returns Promise<void>

publicclear

Returns void

publiccreateCoordinateTracker

Type parameters

Returns CoordinateTracker<Tracked3D>

publicfilter

Parameters

predicate: BimIfcObjectForEachPredicate

Returns BimIfcObject[]

publicforeach

Parameters

a: BimIfcObjectForEachAction

Returns void

publicgetIntersections

Parameters

origin: Vector3

direction: Vector3

objects: BimIfcObject[] = []

Returns undefined | Intersection[]

publicloadPropertySets

Returns Promise<void>

publicon

Parameters

type: click

clickEventHandler: ClickEventHandler

Returns void

publicproducts

Returns IterableIterator<BimIfcObject>

publicsetBackgroundColor

Parameters

color: Color3 | Color

Returns void

publicsetContainer

Parameters

containerOrUrl: URL | BimContainer

optionaloptions: BimApiLoadOptions

Returns Promise<void>

publicsetHighlightColor

Parameters

color: Color3

highlightIndex: IfcMaterialHighlightIndex = IfcMaterialHighlightIndex.One

Returns void

publicstaticrunRenderLoop
beta