core-frontend

Classes

Name	Description
AccuDraw	Accudraw is an aide for entering coordinate data.
AccuDrawHintBuilder	AccuDrawHintBuilder is an InteractiveTool helper class that facilitates AccuDraw interaction.
AccuSnap	AccuSnap is an aide for snapping to interesting points on elements or decorations as the cursor moves over them.
ActivityMessageDetails	Specifies the details of an activity message to be displayed to the user.
AngleDescription	Angle Property Description
AuxCoordSystem2dState	The state of an AuxCoordSystem2d element in the frontend
AuxCoordSystem3dState	The state of an AuxCoordSystem3d element in the frontend
AuxCoordSystemSpatialState	The state of an AuxCoordSystemSpatial element in the frontend
AuxCoordSystemState	The state of an AuxCoordSystem element in the frontend
BaseUnitFormattingSettingsProvider	This abstract class reacts to changes in the "active" iModel and updates the QuantityFormatter overrides and active
BeButtonEvent	Object sent to Tools that holds information about button/touch/wheel events.
BeButtonState
BeTouchEvent	A ButtonEvent generated by touch input.
BeWheelEvent	A BeButtonEvent generated by movement of a mouse wheel.
BingElevationProvider	Provides an interface to the Bing Maps elevation services.
BingLocationProvider	Provides an interface to the Bing Maps location services.
BlankConnection	A connection that exists without an iModel.
BriefcaseConnection	A connection to an editable briefcase on the backend.
BriefcaseEditorToolSettings	Settings that can be used to control the behavior of Tools that modify a BriefcaseConnection.
BriefcaseNotificationHandler	Base class for notification handlers for events from the backend that are specific to a BriefcaseConnection.
BriefcaseTxns	Manages local changes to a BriefcaseConnection via Txns.
CategorySelectorState	A set of Categories to be displayed in a ViewState.
ChangeFlags	Describes which aspects of a Viewport have changed.
CheckpointConnection	An IModelConnection to a Checkpoint of an iModel.
Cluster	A cluster of one or more Markers that overlap one another in the view.
ContextRealityModelState	A ContextRealityModel attached to a DisplayStyleState supplying a TileTreeReference used to draw the
DecorateContext	Provides context for a ViewportDecorator to add Decorations to be rendered within a Viewport.
Decorations	A set of RenderGraphics and CanvasDecorations produced by Tools and Decorators, used to decorate the contents of a Viewport.
DisclosedTileTreeSet	A set of TileTrees disclosed by a set of objects implementing TileTreeDiscloser, used to collect references to tile trees in use by those objects.
DisplayStyle2dState	A display style that can be applied to 2d views.
DisplayStyle3dState	A DisplayStyleState that can be applied to spatial views.
DisplayStyleState	A DisplayStyle defines the parameters for 'styling' the contents of a ViewState.
DrawingModelState	Represents the front-end state of a DrawingModel.
DrawingViewState	A view of a DrawingModel
DynamicsContext	Provides context for an InteractiveTool to display decorations representing its current state.
ElementAgenda	The ElementAgenda class is used by ElementSetTool to hold the collection of elements it will operate on
ElementLocateManager
ElementPicker
ElementSetTool	The ElementSetTool class is a specialization of PrimitiveTool designed to unify operations on sets of elements.
ElementState	The "state" of an Element as represented in a web browser.
EllipsoidTerrainProvider	A terrain mesh provider that produces geometry that represents a smooth ellipsoid without any height perturbations.
EmphasizeElements	An implementation of FeatureOverrideProvider for emphasizing selected elements through simple color/transparency appearance overrides.
EngineeringLengthDescription	Engineering Length Property Description
EntityChanges	Describes a set of elements or models that were modified as part of a transaction in a BriefcaseConnection,
EntityState	The "state" of an Entity as represented in a web browser.
EventController	An EventController maps user input events from a Viewport to the ToolAdmin so that tools can process them.
FitViewTool	A tool that performs a fit view
FlashSettings	Settings that control how geometry is "flashed" when hovered over in a Viewport.
FlyViewTool	A tool that performs the fly operation
FormattedQuantityDescription	Base Quantity Property Description
FrustumAnimator	Animates the transition of a Viewport from one Frustum to another.
FuzzySearch
FuzzySearchResults	This class is used to return the results of FuzzySearch.search.
GeoConverter	An object capable of communicating with the backend to convert between coordinates in a geographic coordinate system and coordinates in an IModelConnection's own coordinate system.
GeographicTilingScheme	A MapTilingScheme using a simple geographic projection by which longitude and latitude are mapped directly to X and Y.
GeometricModel2dState	Represents the front-end state of a GeometricModel2d.
GeometricModel3dState	Represents the front-end state of a GeometricModel3d.
GeometricModelState	Represents the front-end state of a GeometricModel.
GeoServices	The Geographic Services available for an IModelConnection.
GlobeAnimator	Animates the transition of a Viewport to view a location on the Earth.
GraphicalEditingScope	Represents a period of time within an interactive editing session during which the
GraphicAssembler	Provides methods for assembling geometric primitives and symbology into a graphical representation.
GraphicBranch	A node in a scene graph.
GraphicBuilder	Provides methods for constructing a RenderGraphic or GraphicTemplate from geometric primitives and symbology.
HiliteSet	A set of hilited elements for an IModelConnection, by element id.
HitDetail	A HitDetail stores the result when locating geometry displayed in a view.
HitList	The result of a "locate" is a sorted list of objects that satisfied the search criteria (a HitList).
IconSprites	Icon sprites are loaded from .png files in the assets directory of imodeljs-native.
IdleTool	The default "idle" tool.
ImageryMapLayerFormat	Base class imagery map layer formats.
ImageryMapLayerTreeReference	A reference to one of our tile trees.
IModelApp	Global singleton that connects the user interface with the iTwin.js services.
IModelConnection	A connection to a IModelDb hosted on the backend.
IModelRoutingContext	Controls the RPC routing for an iModel connection.
InputCollector	The InputCollector class can be used to implement a command for gathering input
InteractiveTool	A Tool that may be installed, via ToolAdmin, to handle user input.
IntersectDetail
IpcApp	The frontend of apps with a dedicated backend that can use Ipc.
LengthDescription	Length Property Description
LocalUnitFormatProvider	Implementation of BaseUnitFormattingSettingsProvider that stores and retrieves data in local storage.
LocateOptions	Options that customize the way element location (i.e.
LocateResponse
LookAndMoveTool	A tool that performs the walk operation using mouse+keyboard or touch controls.
LookViewTool	A tool that performs the look operation
MapCartoRectangle	A specialization of Range2d representing a Cartographic region on the surface of the Earth,
MapFeatureInfoRecord	Contains record data of a MapLayerFeature instance .
MapLayerFeatureRecord	Utility class that creates a PropertyRecord out of MapLayerFeatureAttribute
MapLayerFormat	Class representing a map-layer format.
MapLayerFormatRegistry	A registry of MapLayerFormats identified by their unique format IDs.
MapLayerImageryProvider	Abstract class for map layer imagery providers.
MapLayerSource	A source for map layers.
MapLayerSources	A collection of MapLayerSource objects.
MapLayerTileTreeReference	A TileTreeReference to be used specifically for MapTileTrees.
MapTile	A Tile belonging to a MapTileTree representing a rectangular region of a map of the Earth.
MapTileProjection	Projects points within the rectangular region of a MapTile into 3d space.
MapTileTree	A quad tree consisting of MapTiles representing the map imagery draped onto the surface of the Earth.
MapTilingScheme	A scheme for converting between two representations of the surface of the Earth: an ellipsoid and a rectangular tiled map.
MarginPercent	Specifies margins to apply around a view volume for methods like lookAtVolume and zoomToElements, expanding the
Marker	A Marker is a CanvasDecoration, whose position follows a fixed location in world space.
MarkerSet	A set of Markers that are logically related, such that they cluster when they overlap one another in screen space.
MeasureAreaByPointsTool	Report area defined by points using current quantity formatter for area.
MeasureAreaTool	Report accumulated areas of selected elements using the current quantity formatter for area.
MeasureDistanceTool	Report distance between 2 points using current quantity formatter for length.
MeasureElementTool	Base class for mass properties tools.
MeasureLengthTool	Report accumulated lengths of selected elements using the current quantity formatter for length.
MeasureLocationTool	Report spatial coordinate at a point as well as cartographic location for geolocated models using current quantity formatters.
MeasureVolumeTool	Report accumulated volumes of selected elements using the current quantity formatter for volume.
Metadata	Describes the BIS class of a TxnEntityChange.
ModelSelectorState	The state of a ModelSelector.
ModelState	Represents the front-end state of a Model.
MutableChangeFlags	A ChangeFlags that permits modifying the states of individual ChangeFlags.
NativeApp	The frontend of a native application
NoRenderApp	A utility class intended for applications (primarily test-runners) that run in environments that lack support for WebGL.
NotificationHandler	Base class for all implementations of an Ipc notification response interface.
NotificationManager	The NotificationManager controls the interaction with the user for prompts, error messages, and alert dialogs.
NotifyMessageDetails	Describes a message to be displayed to the user.
OffScreenViewport	A viewport that draws to an offscreen buffer instead of to the screen.
OrthographicViewState	Defines a spatial view that displays geometry on the image plane using a parallel orthographic projection.
PanViewTool	The tool that performs a Pan view operation
PhysicalModelState	Represents the front-end state of a PhysicalModel.
PlanarClipMaskState	The State of Planar Clip Mask applied to a reality model or background map.
PrimitiveTool	The PrimitiveTool class can be used to implement tools to create or modify geometric elements.
QuadId	Identifies a node within a quad tree, such as a MapTile within a MapTileTree.
QuantityFormatter	Class that supports formatting quantity values into strings and parsing strings into quantity values.
RealityMeshParamsBuilder	Incrementally constructs a RealityMeshParams.
RealityTile	A Tile within a RealityTileTree, representing part of a reality model (e.g., a point cloud or photogrammetry mesh) or 3d terrain with map imagery.
RealityTileTree	Base class for a TileTree representing a reality model (e.g., a point cloud or photogrammetry mesh) or 3d terrain with map imagery.
RenderClipVolume	An opaque representation of a clip volume applied to geometry within a Viewport.
RenderContext	Provides context for producing RenderGraphics for drawing within a Viewport.
RenderGraphic	Abstract representation of an object which can be rendered by a RenderSystem.
RenderGraphicOwner	A graphic that owns another graphic.
RenderSystem	A RenderSystem provides access to resources used by the internal WebGL-based rendering system.
RenderTarget	Connects a Viewport to a graphics renderer such as a WebGLRenderingContext
RotateViewTool	A tool that performs a Rotate view operation
Scene	Holds a collection of objects comprising the scene to be drawn by a Viewport's.
SceneContext	Context used to create the scene to be drawn in a Viewport.
ScreenViewport	An interactive Viewport that exists within an HTMLDivElement.
ScrollViewTool	A tool that performs the scroll operation
SectionDrawingModelState	Represents the front-end state of a SectionDrawingModel.
SelectionSet	A set of currently selected elements for an IModelConnection.
SelectionTool	Tool for picking a set of elements of interest, selected by the user.
SetupCameraTool	A tool that sets the view camera by two points.
SetupWalkCameraTool	A tool that sets a walk tool starting position by a floor point and look direction.
SheetModelState	Represents the front-end state of a SheetModel.
SheetViewState	A view of a SheetModel.
SnapDetail	A SnapDetail is generated from the result of a snap request.
SnapshotConnection	A connection to a SnapshotDb hosted on a backend.
SpatialClassifiersState	The front-end representation of SpatialClassifiers that adds support for classifying a reality model using non-persistent
SpatialLocationModelState	Represents the front-end state of a SpatialLocationModel.
SpatialModelState	Represents the front-end state of a SpatialModel.
SpatialViewState	Defines a view of one or more SpatialModels.
Sprite	Sprites are small raster images that are drawn on top of Viewports by a ViewDecoration.
SpriteLocation	A Sprite location.
StandardView	Supplies access to a set of commonly-used view rotations.
StandardViewTool	A tool that rotates the view to one of the standard views.
Storage	A local disk-based cache for key value pairs for NativeApps.
SurveyLengthDescription	Survey Length Property Description
TentativeOrAccuSnap	TentativeOrAccuSnap returns information about an active snap generated by either AccuSnap or TentativePoint.
TentativePoint
TerrainMeshProvider	Provides 3d meshes representing terrain for display in a Viewport.
TerrainProviderRegistry	A registry of TerrainProviders identified by their unique names.
Tile	A 3d tile within a TileTree.
TileAdmin	Manages Tiles and TileTrees on behalf of IModelApp.
TileDrawArgs	Provides context used when selecting and drawing Tiles.
TileGeometryCollector	Collects geoemtry from a GeometryTileTreeReference within a specified volume at a specified level of detail.
TileRequest	Represents a pending or active request to load the contents of a Tile.
TileRequestChannel	A channel over which requests for tile content can be made.
TileRequestChannels	A set of named TileRequestChannels via which content for Tiles can be requested.
TileRequestChannelStatistics	Statistics regarding the current and cumulative state of one or more TileRequestChannels.
Tiles	Provides access to TileTrees associated with an IModelConnection.
TileStorage
TileTree	A hierarchical level-of-detail tree of 3d Tiles to be rendered in a Viewport.
TileTreeReference	A reference to a TileTree suitable for drawing within a Viewport.
TileUsageMarker	A marker associated with a Tile to track usage of that tile by any number of TileUsers.
Tool	A Tool that performs an action.
ToolAdmin	Controls the operation of Tools, administering the current ViewTool, PrimitiveTool, and IdleTool and forwarding events to the appropriate tool.
ToolAssistance	Tool Assistance helper methods.
ToolRegistry	The ToolRegistry holds a mapping between toolIds and their corresponding Tool class.
ToolSettings	Settings that control the behavior of built-in tools.
ToolSettingsState	Maintains the state of tool settings properties for the current session.
TwoWayViewportFrustumSync	Forms a bidirectional connection between two Viewports such that the Frustums of each are synchronized with one another.
TwoWayViewportSync	Forms a bidirectional connection between two Viewports such that the ViewStates of each are synchronized with one another.
ViewClipByElementTool	A tool to define a clip volume for a view using the element aligned box or axis aligned box.
ViewClipByPlaneTool	A tool to define a clip volume for a view by specifying a plane
ViewClipByRangeTool	A tool to define a clip volume for a view by specifying range corners
ViewClipByShapeTool	A tool to define a clip volume for a view by specifying a shape
ViewClipClearTool	A tool to remove a clip volume for a view
ViewClipDecoration	A pickable decoration managed by ViewClipDecorationProvider used to visualize a view's clip and present modification handles.
ViewClipDecorationProvider	An implementation of ViewClipEventHandler that responds to new clips by presenting clip modification handles
ViewClipTool	A tool to define a clip volume for a view
ViewCreator2d	API for creating a ViewState2d for a 2D model (GeometricModel2dState).
ViewCreator3d	API for creating a 3D default ViewState3d for an iModel.
ViewGlobeBirdTool	A tool that views a location on the background map from a bird's eye perspective; the viewed location is derived from the position of the current camera's eye above the background map.
ViewGlobeIModelTool	A tool that views the current iModel on the background map so that the extent of the project is visible.
ViewGlobeLocationTool	A tool that views a location on the background map corresponding to a specified string.
ViewGlobeSatelliteTool	A tool that views a location on the background map from a satellite's perspective; the viewed location is derived from the position of the current camera's eye above the background map.
ViewingSpace	Describes a Viewport's viewing volume, plus its size on the screen.
ViewManager	The ViewManager holds the list of opened views, plus the selected view.
ViewManip	Base class for tools that manipulate the frustum of a Viewport.
Viewport	A Viewport renders the contents of one or more GeometricModels onto an HTMLCanvasElement.
ViewPose	The "pose" for a View describing the viewed area or volume, depending upon whether
ViewPose2d	The "pose" for a ViewState2d.
ViewPose3d	The "pose" for a ViewState3d, including information about the view's Camera if it is enabled.
ViewRect	A rectangle in unsigned integer view coordinates with (0,0) corresponding to the top-left corner of the view.
ViewRedoTool	A tool that performs view redo operation.
ViewState	The front-end state of a ViewDefinition element.
ViewState2d	Defines the state of a view of a single 2d model.
ViewState3d	Defines the state of a view of 3d models.
ViewToggleCameraTool	A tool that toggles the camera on/off in a spatial view
ViewTool	An InteractiveTool that manipulates a view.
ViewUndoTool	A tool that performs view undo operation.
WalkViewTool	A tool that performs the walk operation
WebMercatorTilingScheme	A MapTilingScheme using the EPSG:3857 projection.
WindowAreaTool	A tool that performs a Window-area view operation
ZoomViewTool	A tool that performs the zoom operation

Constants

Name	Description
ITWINJS_CORE_VERSION
UNIT_EXTRA_DATA	Additional unit data such alternate display label not found in the Units Schema

Enumerations

Name	Description
ACSDisplayOptions
ACSType
ActivityMessageEndReason	Reason for ending the activity message via endActivityMessage
BeButton
BeModifierKeys	Numeric mask for a set of modifier keys (control, shift, and alt).
ChangeFlag	Bit masks describing which aspects of a Viewport have changed as part of a ChangeFlags.
ClipEventType	Event types for ViewClipDecorationProvider.onActiveClipChanged \
CompassMode	AccuDraw coordinate input mode
ContextRotationId	Specify the rotation to return from getContextRotation.
CoordinateLockOverrides
CoordSource	The source that generated a coordinate.
CoordSystem	Coordinate system types
CurrentState	AccuDraw enabled states
DepthPointSource	Source of depth point returned by pickDepthPoint.
EventHandled
FlashMode	As part of FlashSettings, describes how geometry is flashed.
FrontendLoggerCategory	Logger categories used by this package
GraphicType	Describes the type of a GraphicBuilder, which defines the coordinate system in which the builder's geometry is defined and
HitDetailType
HitGeomType	What was being tested to generate this hit.
HitParentGeomType	Classification of GeometricPrimitive that generated the Hit.
HitPriority
HitSource	The procedure that generated this Hit.
InputSource	The source that generated an event.
ItemField	AccuDraw coordinate input fields
KeyinParseError	Possible errors resulting from parseKeyin.
LocateAction	The possible actions for which a locate filter can be called.
LocateFilterStatus	Values to return from a locate filter.
ManipulatorToolEvent
MapLayerImageryProviderStatus	The status of the map layer imagery provider that lets you know if authentication is needed to request tiles.
MapLayerSourceStatus	Values for return codes from validateSource
MapTileTreeScaleRangeVisibility	Map tile tree scale range visibility values.
MessageBoxIconType	Describes the icon displayed in a messagebox opened using openMessageBox.
MessageBoxType	Describes the set of buttons displayed in a message box opened using openMessageBox.
MessageBoxValue	Describes the possible return values produced when the user clicks a button in a messagebox opened using openMessageBox.
ModifyElementSource	Identifies the source of the elements in the agenda.
OutputMessageAlert	Describes the alert behavior of a NotifyMessageDetails.
OutputMessagePriority	Classifies a NotifyMessageDetails by its level of importance.
OutputMessageType	Describes the type and behavior of a NotifyMessageDetails.
ParseAndRunResult	The result type of parseAndRun.
QuantityType	Defines standard format types for tools that need to display measurements to user.
RotationMode	AccuDraw compass base rotation
SelectionMethod	The method for choosing elements with the SelectionTool
SelectionMode	The mode for choosing elements with the SelectionTool
SelectionProcessing	The processing method to use to update the current selection.
SelectionSetEventType	Identifies the type of changes made to the SelectionSet to produce a SelectionSetEvent.
SnapHeat
SnapMode
SnapStatus
StandardViewId	Describes a set of commonly-used view rotations.
StartOrResume
TileBoundingBoxes	Options for displaying tile bounding boxes for debugging purposes.
TileGraphicType	Describes the type of graphics produced by a TileTreeReference.
TileLoadPriority	Loosely describes the "importance" of a Tile.
TileLoadStatus	Describes the current status of a Tile's content.
TileTreeLoadStatus	Describes the current state of a TileTree.
TileVisibility	Describes the visibility of a tile based on its size and a view frustum.
ToolAssistanceImage	Tool Assistance known images
ToolAssistanceInputMethod	Input Method for Tool Assistance instruction
UniformType	The underlying data types that can be used for uniform variables in screen-space effect shaders.
VaryingType	The underlying data types that can be used for varying variables in screen-space effect shaders.
ViewStatus	Describes the result of a viewing operation such as those exposed by ViewState and Viewport.
ViewUndoEvent	Describes an undo or redo event for a Viewport.

Global Functions

Name	Description
calculateEcefToDbTransformAtLocation	Calculate the ECEF to database (IModel) coordinate transform at a provided location, using the GCS of the iModel.
canvasToImageBuffer	Create an ImageBuffer in the specified format with the same dimensions and contents as a canvas.
canvasToResizedCanvasWithBars	Resize a canvas to a desired size.
connectViewportFrusta	Form a connection between two or more Viewports such that they all view the same volume.
connectViewports	Forms a connection between two or more Viewports such that a change in any one of the viewports is reflected in all of the others.
connectViewportViews	Form a connection between two or more Viewports such that every aspect of the viewports are kept in sync.
createWorkerProxy	Create a WorkerProxy implementing the methods of T using the specified worker script.
extractImageSourceDimensions	Extract the dimensions of the jpeg or png data encoded in an ImageSource.
getCenteredViewRect	Determine the maximum ViewRect that can be fitted and centered in specified ViewRect given a required aspect ratio.
getCesiumAssetUrl	Return the URL for a Cesium ION asset from its asset ID and request Key.
getCompressedJpegFromCanvas	Produce a jpeg compressed to no more than specified bytes and of no less than specified quality.
getImageSourceFormatForMimeType	Get the ImageSourceFormat corresponding to the mime type string, or undefined if the string does not identify a supported ImageSourceFormat.
getImageSourceMimeType	Get a string describing the mime type associated with an ImageSource format.
getQuantityTypeKey	Function to return a QuantityTypeKey given either a QuantityType enum value or a string.
imageBitmapFromImageSource	Extract a bitmap from a binary jpeg or png.
imageBufferToBase64EncodedPng	Converts the contents of an ImageBuffer to PNG format.
imageBufferToCanvas	Create a canvas element with the same dimensions and contents as an image buffer.
imageBufferToPngDataUrl	Produces a data url in "image/png" format from the contents of an ImageBuffer.
imageElementFromImageSource	Extract an html Image element from a binary jpeg or png.
imageElementFromUrl	Create an html Image element from a URL.
isCheckboxFormatPropEditorSpec
isCustomQuantityTypeDefinition	CustomQuantityTypeDefinition type guard.
isTextInputFormatPropEditorSpec
isTextSelectFormatPropEditorSpec
openImageDataUrlInNewWindow	Open an image specified as a data URL in a new window or tab.
queryTerrainElevationOffset	Queries the actual elevation of a cartographic point on the globe (using Bing elevation services)
readElementGraphics	Convert the byte array returned by requestElementGraphics into a RenderGraphic.
readGltf	Produce a RenderGraphic from a glTF asset suitable for use in view decorations.
readGltfGraphics	Produce a RenderGraphic from a glTF asset suitable for use in view decorations.
readGltfTemplate	Produce a GraphicTemplate from a glTF asset suitable for use in view decorations.
registerWorker	Configure an implementation of the operations defined by T to execute on a worker thread.
synchronizeViewportFrusta	A function that returns a SynchronizeViewports function that synchronizes the viewed volumes of each viewport.
synchronizeViewportViews	A function that returns a SynchronizeViewports function that synchronizes every aspect of the viewports' states, including
tryImageElementFromUrl	Try to create an html Image element from a URL.
upsampleRealityMeshParams

Interfaces

Name	Description
Animator	An object to animate a transition of a Viewport.
BatchOptions	Options used when constructing a Batch - that is, a RenderGraphic with an associated FeatureTable describing individual Features within the
BatchTableProperties	Provides access to per-feature properties within a RealityTileTree.
BeButtonEventProps	Properties for constructing a BeButtonEvent
BeTouchEventProps	Properties for initializing a BeTouchEvent
BeWheelEventProps	Properties for constructing a BeWheelEvent
BlankConnectionProps	The properties for creating a Blank IModelConnection
CanvasDecoration	A Decoration that is drawn onto the
ChangeViewedModel2dOptions	Options for changing the viewed Model of a 2d view via changeViewedModel2d
CheckboxFormatPropEditorSpec	CheckboxFormatPropEditorSpec defines getter and setter method for a boolean property editor.
ComputeChordToleranceArgs	Arguments used to compute the chord tolerance (level of detail) of the RenderGraphic or GraphicTemplate produced by a GraphicBuilder.
ComputeDisplayTransformArgs	Arguments supplied to computeDisplayTransform.
ComputeGraphicDescriptionChordToleranceArgs	Arguments supplied to computeChordTolerance to help compute an appropriate level of detail for the GraphicDescription.
ComputeSpatialViewFitRangeOptions	Options supplied to computeFitRange.
CreateGraphicFromDescriptionArgs	Arguments supplied to createGraphicFromDescription.
CreateGraphicFromTemplateArgs	Arguments supplied to createGraphicFromTemplate.
CreateRenderInstancesParamsBuilderArgs	Arguments supplied to RenderInstancesParamsBuilder.create.
CreateRenderMaterialArgs	Arguments supplied to createRenderMaterial.
CreateTextureArgs	Arguments supplied to createTexture to create a RenderTexture.
CreateTextureFromSourceArgs	Arguments supplied to createTextureFromSource.
CustomFormatPropEditorSpec	Properties that define an EditorSpec for editing a custom formatting property that is stored in the "custom" property in the FormatProps.
CustomGraphicBuilderOptions	Options for creating a GraphicBuilder to produce a RenderGraphic or GraphicTemplate that is not associated with any particular Viewport and may not be associated with
CustomQuantityTypeDefinition	CustomQuantityTypeDefinition interface is used to define a Custom quantity type that can be registered with the QuantityFormatter.
DecorateContextCreateArgs	Arguments supplied to DecorateContext.create.
Decorator	Interface for drawing decoration graphics into, or on top of, the active ScreenViewports managed by ViewManager.
DepthPointOptions	Options to control behavior of pickDepthPoint.
DepthRangeNpc	The minimum and maximum values for the z-depth of a rectangle of screen space.
DownloadProgressInfo	Download progress information.
DynamicSpatialClassifier	A SpatialClassifier that uses geoemtry produced at run-time to classify a reality model.
ExtentLimits	Describes the largest and smallest values allowed for the extents of a ViewState.
FeatureOverrideProvider	An object that customizes the appearance of Features within a Viewport using Overrides.
FormatterParserSpecsProvider	Interface that defines the functions required to be implemented to provide custom formatting and parsing of a custom quantity type.
FormattingUnitSystemChangedArgs	Arguments sent to FormattingUnitSystemChanged event listeners.
FrontendHubAccess
FrontendSecurityOptions	Options that can be supplied with IModelAppOptions to customize frontend security.
FuzzySearchResult	Interface implemented by objects returned while iterating through FuzzySearchResults
GenericAbortSignal	Partial interface of AbortSignal.
GeometryTileTreeReference	A TileTreeReference that can supply geometry in the form of Polyfaces from Tiles belonging to its TileTree and satisfying the criteria defined
GetPixelDataWorldPointArgs	Arguments to getPixelDataWorldPoint.
GlobalAlignmentOptions	Options that control how a view is aligned with the globe.
GlobalLocation	Describes a location on the earth using cartographic data structures.
GlobalLocationArea	Describes a rectangular area of the earth using cartographic data structures.
GltfGraphic	The output of readGltf.
GltfTemplate	The output of readGltfTemplate.
GpuMemoryLimits	Defines separate GpuMemoryLimits for mobile and desktop clients.
GraphicArc	A GraphicPrimitive representing a 3d open arc or closed ellipse that can be supplied to addPrimitive.
GraphicArc2d	A GraphicPrimitive representing a 2d open arc or closed ellipse that can be supplied to addPrimitive.
GraphicBranchOptions	Options passed to createGraphicBranch.
GraphicBuilderOptions	Options for creating a GraphicBuilder used by functions like createGraphic and createGraphic.
GraphicDescription	An opaque representation of a RenderGraphic created by a GraphicDescriptionBuilder.
GraphicDescriptionBuilder	An equivalent of a GraphicBuilder that is designed for use on a Worker.
GraphicDescriptionContext	Context holding resources like transient Ids, textures, and materials that were allocated on a Worker by a
GraphicDescriptionContextProps	Describes a GraphicDescriptionContext returned from a Worker to the main thread, holding resources like
GraphicLineString	A GraphicPrimitive representing a line string that can be supplied to addPrimitive.
GraphicLineString2d	A GraphicPrimitive representing a 2d line string that can be supplied to addPrimitive.
GraphicLoop	A GraphicPrimitive representing a 3d planar region that can be supplied to addPrimitive.
GraphicPath	A GraphicPrimitive representing a 3d open path that can be supplied to addPrimitive.
GraphicPointString	A GraphicPrimitive representing a point string that can be supplied to addPrimitive.
GraphicPointString2d	A GraphicPrimitive representing a 2d point string that can be supplied to addPrimitive.
GraphicPolyface	A GraphicPrimitive representing a mesh that can be supplied to addPrimitive.
GraphicPrimitive2d	Base interface for a 2d GraphicPrimitive that can be supplied to addPrimitive.
GraphicShape	A GraphicPrimitive representing a closed 3d planar region that can be supplied to addPrimitive.
GraphicShape2d	A GraphicPrimitive representing a closed 2d region that can be supplied to addPrimitive.
GraphicSolidPrimitive	A GraphicPrimitive representing a SolidPrimitive to be supplied to addPrimitive.
GraphicTemplate	A reusable representation of a RenderGraphic.
GroupMark	Identifies groups of elements added to agenda along with the source.
HitDetailProps	Arguments supplied to the HitDetail constructor.
HitListHolder
HitPath	As part of a HitDetail, describes a series of "attached" views through which the hit was located.
IModelAppOptions	Options that can be supplied to startup to customize frontend behavior.
IModelIdArg
Instance	Represents one repetition of a GraphicTemplate.
InstancedGraphicParams	Parameters for creating a RenderGraphic representing a collection of instances of shared geometry.
InstanceSymbology	Describes the appearance overrides to be applied to an Instance.
IpcAppOptions	Options for startup
ITwinIdArg	Argument for methods that can supply an iTwinId and iModelId.
LookAtArgs	Arguments to ViewState3d.lookAt for either a perspective or orthographic view
LookAtOrthoArgs	Arguments to ViewState3d.lookAt to set up an orthographic view
LookAtPerspectiveArgs	Arguments to ViewState3d.lookAt to set up a perspective view
LookAtUsingLensAngle	Arguments to ViewState3d.lookAt to set up an perspective view using a (field-of-view) lens angle.
MapFeatureInfo	Main feature info container for a MapFeatureInfo query.
MapFeatureInfoOptions	Options supplied to a Viewport.getMapFeatureInfo .
MapLayerAccessClient
MapLayerAccessToken
MapLayerAccessTokenParams
MapLayerAuthenticationInfo
MapLayerFeature	Attributes and graphics container of a given feature instance
MapLayerFeatureAttribute	Attribute of a MapLayerFeature
MapLayerFeatureGeometry	Geometry of a MapLayerFeature
MapLayerFeatureInfo	Features container for a given map-layer.
MapLayerIndex	Position of a map-layer in the display style's map (i.e.
MapLayerOptions	Options supplied at startup via mapLayerOptions to specify access keys for various map layer formats.
MapLayerScaleRangeVisibility	MapLayer visibility based on its scale range definition.
MapLayerSourceProps	JSON representation of a map layer source.
MapLayerSourceValidation
MapLayerTokenEndpoint
MapSubLayerFeatureInfo	Features container for a given sub-layer.
MarginOptions	Options that control the margin around the edges of a volume for lookAt and Fit view operations
MaterialDiffuseProps	Describes the diffuse properties of a RenderMaterial.
MaterialParams	Describes a RenderMaterial.
MaterialSpecularProps	Describes the specular properties of a material.
MaterialTextureMappingProps	Describes how to map a RenderTexture's image to the surfaces to which a RenderMaterial is applied.
MeshArgs	Arguments supplied to createTriMesh describing a triangle mesh.
ModalOptions	Options for makeModalDiv
ModalReturn	Return type for makeModalDiv
ModelDisplayTransform	A Transform supplied by a ModelDisplayTransformProvider to be applied to a model when displaying it in a Viewport.
ModelDisplayTransformProvider	Interface adopted by an object that wants to apply a ModelDisplayTransform to one or more models within a Viewport.
NativeAppOpts	Options for startup
OffScreenViewportOptions	Options supplied when creating an OffScreenViewport.
OnViewExtentsError	A method to be called if an error occurs while adjusting a ViewState's extents
OsmBuildingDisplayOptions	Options controlling display of OpenStreetMap Buildings.
OverrideFormatEntry	Override format entries can define formats for any of the different unit systems.
PaddingPercent	Specifies padding to apply around a view volume for methods like lookAtVolume and zoomToElements, expanding or
ParsedKeyin	Successful result from parseKeyin.
ParseKeyinError	Possible errors form parseKeyin.
ParticleCollectionBuilder	Interface for producing a collection of particles suitable for use in particle effects.
ParticleCollectionBuilderParams	Parameters used to construct a ParticleCollectionBuilder.
ParticleProps	Describes a particle to to add to a particle collection via addParticle.
PickableGraphicOptions	Options used as part of GraphicBuilderOptions to describe a pickable RenderGraphic.
PolylineArgs	Arguments supplied to createIndexedPolylines describing a set of "polylines" (i.e., line strings or point strings).
PreferenceArg	Argument for methods that can supply the user preference content.
PreferenceKeyArg	Argument for methods that must supply a key for the user preference.
PullChangesOptions	Options for pulling iModel changes.
QuantityFormatOverridesChangedArgs	Arguments sent to UnitFormattingSettingsProvider when overrides are changed.
QuantityFormatsChangedArgs	Arguments sent to QuantityFormatsChanged event listeners.
QuantityTypeDefinition	This interface supplies the definition of a standard quantity type that is registered with the QuantityFormatter.
QueryScreenFeaturesOptions	Options specifying how to query for visible Features by reading pixels rendered by a Viewport.
QueryTileFeaturesOptions	Options specifying how to query for visible Features by inspecting the Tiles selected for display by a Viewport.
ReadGltfGraphicsArgs	Arguments supplied to readGltfGraphics to produce a RenderGraphic from a glTF asset.
ReadImageBufferArgs	Arguments supplied to readImageBuffer.
ReadMeshArgs	Arguments supplied to readMesh.
ReadPixelsArgs	Arguments supplied to readPixels.
RealityDataSource	This interface provide methods used to access a reality data from a reality data provider
RealityMeshParams	Geometry for a reality mesh to be submitted to the RenderSystem for conversion to a RenderGraphic.
RealityMeshParamsBuilderOptions	Options used to construct a RealityMeshParamsBuilder.
RealityTileGeometry	The geometry representing the contents of a reality tile.
RenderGraphicTileTreeArgs	Arguments supplied to createFromRenderGraphic.
RenderInstances	Contains the WebGL resources necessary to draw multiple Instances of a GraphicTemplate using instanced rendering.
RenderInstancesParams	Represents a RenderInstances in a form that supports structured cloning,
RenderInstancesParamsBuilder	Provides methods to populate a RenderInstancesParams from a list of Instances.
RenderSystemDebugControl	An interface optionally exposed by a RenderSystem that allows control of various debugging features.
RequestMeshDataArgs	Arguments supplied to requestMeshData.
ScreenSpaceEffectBuilder	An interface used to construct and register with the renderSystem a custom screen-space effect.
ScreenSpaceEffectBuilderParams	Parameters used to create a ScreenSpaceEffectBuilder.
ScreenSpaceEffectContext	Context passed to shouldApply.
ScreenSpaceEffectSource	The GLSL implementation of the effect produced by a ScreenSpaceEffectBuilder, to be integrated into a complete shader program.
SectionDrawingAttachmentHitInfo	As part of a HitPath, describes the SectionDrawing, if any, from which the hit represented by a HitDetail originated.
SelectAddEvent	Passed to onChanged event listeners when elements are added to the selection set.
SelectedViewportChangedArgs	Argument for onSelectedViewportChanged
SelectRemoveEvent	Passed to onChanged event listeners when elements are removed from the selection set.
SelectReplaceEvent	Passed to onChanged event listeners when elements are simultaneously added to and removed from the selection set.
TerrainMeshProviderOptions	Options supplied to createTerrainMeshProvider to construct a TerrainMeshProvider.
TerrainProvider	Interface adopted by an object that can supply TerrainMeshProviders enabling the display of 3d terrain in a Viewport.
TextInputFormatPropEditorSpec	TextInputFormatPropEditorSpec defines getter and setter method for a text input property editor.
TextSelectFormatPropEditorSpec	TextSelectFormatPropEditorSpec defines getter and setter method for a Select/Dropdown property editor.
TextureCacheOwnership	Specifies that a RenderTexture should be kept in memory until the corresponding IModelConnection is closed, at
TextureImage	Describes the image from which to create a RenderTexture.
TileContent	Describes the contents of a Tile.
TileContentDecodingStatistics	As part of a TileRequestChannelStatistics, summarizes cumulative time spent decoding tile content.
TiledGraphicsProvider	Provides a way for applications to inject additional non-decorative graphics into a Viewport by supplying one or more TileTreeReferences capable of loading and drawing the graphics.
TileDrawArgParams	Parameters used to construct TileDrawArgs.
TileGeometryCollectorOptions	Options for creating a TileGeometryCollector.
TileParams	Parameters used to construct a Tile.
TileTreeDiscloser	Interface adopted by an object that contains references to TileTrees, to expose those trees.
TileTreeOwner	Owns and manages the lifecycle of a TileTree.
TileTreeParams	Parameters used to construct a TileTree.
TileTreeSupplier	Interface adopted by an object which can supply a TileTree for rendering.
TileUser	Represents some object that makes use of Tiles in some way - e.g., by requesting and/or displaying their contents, querying their geometry, etc.
TokenArg	Argument for methods that can supply an access token.
ToolAssistanceInstruction	Interface used to describe a Tool Assistance instruction.
ToolAssistanceInstructions	Interface used to describe Tool Assistance for a tool's state.
ToolAssistanceKeyboardInfo	Tool Assistance image keyboard keys
ToolAssistanceSection	Interface used to describe a Tool Assistance section with a label and a set of instructions.
ToolTipOptions	Describes the behavior of a tooltip created using openToolTip.
ToolTipProvider	An object that can contribute customizations to the tooltip displayed when mousing over an element or other entity in a Viewport.
TxnEntityChange	Represents a single change to a single Entity, as part of a collection of TxnEntityChanges.
TxnEntityChanges	Describes a set of elements or models that were modified as part of a transaction in a BriefcaseConnection,
TxnEntityChangesFilterOptions	Options defining criteria by which to filter the contents of a TxnEntityChanges.
TxnEntityMetadata	Describes the BIS class of a TxnEntityChange.
Uniform	Represents a uniform variable in a shader program used by a custom screen-space effect, providing methods for setting the current value of the uniform.
UniformArrayParams	Parameters used to define an array of uniform variables for a ScreenSpaceEffectBuilder's shader program.
UniformContext	Context supplied to UniformParams.bind.
UniformParams	Parameters used to define a uniform variable for a ScreenSpaceEffectBuilder's shader program.
UnitFormattingSettingsProvider	The UnitFormattingSettingsProvider interface is used to store and retrieve override FormatProps and Presentation Unit System
UpsampledRealityMeshParams
UserPreferencesAccess	User preferences provide a way to get, store and delete preferences for an application at
ValidateSourceArgs	Options for validating sources
ViewAnimationOptions	Options that control how an Viewport animation behaves.
ViewAttachmentHitInfo	As part of a HitPath, describes the ViewAttachment, if any, from which the hit represented by a HitDetail originated.
ViewChangeOptions	Options that control how operations that change a viewport behave.
ViewClipEventHandler	An object that can react to a view's clip being changed by tools or modify handles.
ViewCreator2dOptions	Options for creating a ViewState2d via ViewCreator2d.
ViewCreator3dOptions	Options for creating a ViewState3d via ViewCreator3d.
ViewportDecorator	Interface for drawing Decorations into, or on top of, a ScreenViewport.
ViewportGraphicBuilderOptions	Options for creating a GraphicBuilder to produce a RenderGraphic to be displayed in a specific Viewport.
VisibleFeature	Represents a Feature determined to be visible within a Viewport.
WorkerGraphicDescriptionContext	Context allocated on a Worker to enable it to create GraphicDescriptions.
WorkerGraphicDescriptionContextProps	An opaque representation of a WorkerGraphicDescriptionContext that can be passed from the main thread to a Worker.
WorkerTextureParams	Parameters describing a RenderTexture to be created on a Worker by createTexture.
ZoomToOptions	Options to allow changing the view rotation with zoomTo methods and ensure minimum bounding box dimensions for zoomToElements.

Namespaces

Name	Description
AccuSnap
EditManipulator	Classes and methods to create on screen control handles for interactive modification of element(s) and pickable decorations.
FeatureSymbology	Contains types that enable an application to customize how Features are drawn within a Viewport.
Frustum2d	Constants and functions for working with two-dimensions Frustums.
GraphicDescription
GraphicDescriptionBuilder
IModelConnection
InstancedGraphicParams
InstancedGraphicProps
ParticleCollectionBuilder
PerModelCategoryVisibility	Per-model category visibility permits the visibility of categories within a Viewport displaying a SpatialViewState to be overridden in
Pixel	Describes aspects of a pixel as read from a Viewport.
RealityDataSource	Utility functions for RealityDataSource
RealityMeshParams
RenderInstancesParams
RenderInstancesParamsBuilder
RenderMemory	APIs for querying memory consumed by the RenderSystem.
RenderSystem	A RenderSystem provides access to resources used by the internal WebGL-based rendering system.
TileAdmin
TiledGraphicsProvider
TileRequest
TileUser
WorkerGraphicDescriptionContext

Type Aliases

Name	Description
ActiveSpatialClassifier	Describes the source of geometry being used to classify a reality model.
AttachToViewportArgs	Arguments to attachToViewport.
CanvasDecorationList	An array of CanvasDecorations.
CollectTileStatus	Enumerates the statuses returned by collectTile.
DownloadBriefcaseId	Properties for specifying the BriefcaseId for downloading.
DownloadBriefcaseOptions	Options to download a briefcase
FlashSettingsOptions	Options used to construct or clone a FlashSettings.
GpuMemoryLimit	Describes a strategy for imposing limits upon the amount of GPU memory consumed by Tile content.
GraphicDescriptionBuilderOptions	Options supplied to GraphicDescriptionBuilder.create.
GraphicList	An array of RenderGraphics.
GraphicPrimitive	Union type representing a graphic primitive that can be supplied to addPrimitive.
InstancedGraphicProps	A representation of an InstancedGraphicParams that can be copied using structured cloning,
MapLayerFormatType	The type of a map layer format.
MarkerFillStyle
MarkerImage	The types that may be used for Markers
MarkerTextAlign
MarkerTextBaseline
ModelSubCategoryHiliteMode	Describes how the sets of hilited models and subcategories in a HiliteSet interact.
OnDownloadProgress	Called to show progress during a download.
OnFlashedIdChangedEventArgs	Payload for the onFlashedIdChanged event indicating Ids of the currently- and/or previously-flashed objects.
ParseKeyinResult	The result type of parseKeyin.
PersistentSpatialClassifier	A SpatialClassifier that uses geometry from a persistent GeometricModelState to classify a reality model.
QuantityTypeArg	Used to uniquely identify the type or quantity.
QuantityTypeKey	String used to uniquely identify a QuantityType in the quantity registry.
QueryVisibleFeaturesCallback	A function supplied to queryVisibleFeatures to process the results.
QueryVisibleFeaturesOptions	Options specifying how to query for visible Features.
ResolveFunc
ResolveManifestFunc
SelectionSetEvent	Payload sent to onChanged event listeners to describe how the contents of the set have changed.
SynchronizeViewports	A function used by connectViewports that can synchronize the state of a target Viewport with
TextureCacheKey	A key that uniquely identifies a RenderTexture in the context of an IModelConnection, used for caching.
TextureImageSource	An object from which a RenderTexture can be created.
TextureOwnership	Describes the ownership of a RenderTexture, which controls when the texture is disposed of.
ToolAssistanceInputKey	Identifies one of a set of commonly-used ToolAssistance messages notifying the user of the result of
ToolAssistancePromptKey	Identifies one of a set of commonly-used ToolAssistance messages prompting the user to specify
ToolList
ToolType
TxnEntityChangeIterable	A collection of TxnEntityChanges.
TxnEntityChangeType	The type of operation that produced a TxnEntityChange.
TxnEntityMetadataCriterion	A function that returns true if a particular BIS Entity class should be included when iterating a TxnEntityChangeIterable.
UnitNameKey	String used to uniquely identify a UnitProp.
WorkerImplementation	Given an interface T that defines the operations provided by a worker, produce an interface to which the implementation of those operations must conform.
WorkerInterface	Given an interface T that defines the operations provided by a worker, produce an interface that can be used to asynchronously invoke those operations
WorkerProxy	A proxy for a web worker that provides the operations specified by
WorkerReturnType	Augments each method of T with the ability to specify values to be transferred from the worker thread to the main thread.