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Highlighter

This component allows highlighting and selecting fragments in a 3D scene. 📕 Tutorial. 📘 API.

Extends​

  • Component

Implements​

  • Disposable
  • Eventable

Properties​

autoToggle​

autoToggle: Set<string>

Styles with auto toggle will be unselected when selected twice.

backupColor​

backupColor: null | Color = null

Stores the backup color before selection.

colors​

colors: Map<string, null | Color>

Stores the colors used for highlighting selections. If null, the highlighter won't color geometries (useful for selection without coloring).

config​

config: Required <HighlighterConfig>

Stores the configuration options for the Highlighter.

enabled​

enabled: boolean = true

OBC.Component.enabled

Overrides​

OBC.Component.enabled

eventManager​

eventManager: EventManager

Manager to easily toggle and reset all events.

Implementation of​

OBC.Eventable.eventManager

events​

events: HighlightEvents = {}

Stores the events triggered by the Highlighter.

isSetup​

isSetup: boolean = false

Indicates whether the Highlighter is setup.

mouseMoveThreshold​

mouseMoveThreshold: number = 5

Threshhold on how much the mouse have to move until its considered movement

multiple​

multiple: "none" | "ctrlKey" | "shiftKey" = "ctrlKey"

Determines the multiple selection behavior.

onAfterUpdate​

readonly onAfterUpdate: Event <Highlighter>

OBC.Updateable.onAfterUpdate

onBeforeUpdate​

readonly onBeforeUpdate: Event <Highlighter>

OBC.Updateable.onBeforeUpdate

onDisposed​

readonly onDisposed: Event<unknown>

OBC.Disposable.onDisposed

Implementation of​

OBC.Disposable.onDisposed

onSetup​

readonly onSetup: Event <Highlighter>

Event triggered when the Highlighter is setup.

selectable​

selectable: object = {}

If defined, only the specified elements will be selected by the specified style.

Index signature​

[name: string]: FragmentIdMap

selection​

selection: object = {}

Stores the current selection.

Index signature​

[selectionID: string]: FRAGS.FragmentIdMap

zoomFactor​

zoomFactor: number = 1.5

Zoom factor applied when zooming to selection.

zoomToSelection​

zoomToSelection: boolean = false

Indicates whether to zoom to the selection when highlighting.

uuid​

static readonly uuid: "cb8a76f2-654a-4b50-80c6-66fd83cafd77"

A unique identifier for the component. This UUID is used to register the component within the Components system.

Methods​

add()​

add(name, color): void

Adds a new selection with the given name and color. Throws an error if a selection with the same name already exists.

Parameters​

ParameterTypeDescription
namestringThe name of the new selection.
colornull | ColorThe color to be used for highlighting the selection.

Returns​

void

Throws​

Will throw an error if a selection with the same name already exists.

clear()​

clear(name?, filter?): void

Clears the selection for the given name or all selections if no name is provided.

Parameters​

ParameterTypeDescription
name?stringThe name of the selection to clear. If not provided, clears all selections.
filter?FragmentIdMapThe only items to unselect. If not provided, all items will be unselected.

Returns​

void

dispose()​

dispose(): Promise<void>

Disposable.dispose

Returns​

Promise<void>

Implementation of​

OBC.Disposable.dispose

highlight()​

highlight(name, removePrevious, zoomToSelection, exclude): Promise<null | object>

Highlights a fragment based on a raycast from the mouse position.

Parameters​

ParameterTypeDefault valueDescription
namestringundefinedThe name of the selection.
removePreviousbooleantrueWhether to remove previous highlights.
zoomToSelectionbooleanundefinedWhether to zoom to the highlighted selection.
excludeFragmentIdMap{}Fragments to exclude from the highlight.

Returns​

Promise<null | object>

The highlighted fragment and its ID, or null if no fragment was highlighted.

Throws​

Will throw an error if the world or a required component is not found.

Throws​

Will throw an error if the selection does not exist.

Throws​

Will throw an error if the fragment or its geometry is not found.

Throws​

Will throw an error if the item ID is not found.

Throws​

Will throw an error if the fragment does not belong to a FragmentsGroup.

highlightByID()​

highlightByID(name, fragmentIdMap, removePrevious, zoomToSelection, exclude, fillMesh, isPicking): Promise<void>

Highlights a fragment based on a given fragment ID map.

Parameters​

ParameterTypeDefault valueDescription
namestringundefinedThe name of the selection.
fragmentIdMapFragmentIdMapundefinedThe fragment ID map to highlight.
removePreviousbooleantrueWhether to remove previous highlights.
zoomToSelectionbooleanundefinedWhether to zoom to the highlighted selection.
excludeFragmentIdMap{}Fragments to exclude from the highlight.
fillMeshundefined | Mesh<BufferGeometry<NormalBufferAttributes>, Material | Material[], Object3DEventMap>undefinedThe fill mesh to also highlight, if any.
isPickingbooleanfalseWhether this function is called when picking with the mouse.

Returns​

Promise<void>

Promise that resolves when the highlighting is complete.

Throws​

Will throw an error if the selection does not exist.

Throws​

Will throw an error if the fragment or its geometry is not found.

Throws​

Will throw an error if the item ID is not found.

Throws​

Will throw an error if the fragment does not belong to a FragmentsGroup.

remove()​

remove(name): void

Removes the specified selection.

Parameters​

ParameterTypeDescription
namestringThe name of the new selection.

Returns​

void

setup()​

setup(config?): void

Sets up the Highlighter with the provided configuration.

Parameters​

ParameterTypeDescription
config?Partial <HighlighterConfig>Optional configuration for the Highlighter.
If not provided, the Highlighter will use the default configuration.

Returns​

void

Throws​

Will throw an error if the world or a required component is not found.

Throws​

Will throw an error if the selection already exists.

Throws​

Will throw an error if the fragment or its geometry is not found.

Throws​

Will throw an error if the item ID is not found.

Throws​

Will throw an error if the fragment does not belong to a FragmentsGroup.

updateFragments()​

updateFragments(fragments): void

Applies all the existing styles to the given fragments. Useful when combining the highlighter with streaming.

Parameters​

ParameterTypeDescription
fragmentsIterable<Fragment>The list of fragment to update.

Returns​

void