Class: LivewireContourSegmentationTool

Extends

• LivewireContourTool

Constructors

new LivewireContourSegmentationTool()

new LivewireContourSegmentationTool(toolProps, defaultToolProps): LivewireContourSegmentationTool

Parameters

• toolProps: PublicToolProps = {}

• defaultToolProps: SharedToolProp = ...

Returns

LivewireContourSegmentationTool

Inherited from

LivewireContourTool.constructor

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:78

Properties

_throttledCalculateCachedStats

_throttledCalculateCachedStats: Function

Inherited from

LivewireContourTool._throttledCalculateCachedStats

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:56

---

configuration

configuration: Record<string, any>

Inherited from

LivewireContourTool.configuration

Defined in

tools/src/tools/base/BaseTool.ts:17

---

editData

editData: object

annotation

annotation: ContourAnnotation

closed?

optional closed: boolean

confirmedPath?

optional confirmedPath: LivewirePath

confirmedPathNext?

optional confirmedPathNext: LivewirePath

The next path segment, on the other side of the handle

contourHoleProcessingEnabled?

optional contourHoleProcessingEnabled: boolean

currentPath?

optional currentPath: LivewirePath

handleIndex?

optional handleIndex: number

hasMoved?

optional hasMoved: boolean

lastCanvasPoint?

optional lastCanvasPoint: Point2

movingTextBox?

optional movingTextBox: boolean

newAnnotation?

optional newAnnotation: boolean

originalPath?

optional originalPath: Point3[]

sliceToWorld()?

optional sliceToWorld: (point) => Point3

Parameters

• point: Point2

Returns

Point3

viewportIdsToRender

viewportIdsToRender: string[]

worldToSlice()?

optional worldToSlice: (point) => Point2

Parameters

• point: Point3

Returns

Point2

Inherited from

LivewireContourTool.editData

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:57

---

isDrawing

isDrawing: boolean

Inherited from

LivewireContourTool.isDrawing

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:75

---

isHandleOutsideImage

isHandleOutsideImage: boolean = false

Inherited from

LivewireContourTool.isHandleOutsideImage

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:76

---

mode

mode: ToolModes

Tool Mode - Active/Passive/Enabled/Disabled/

Inherited from

LivewireContourTool.mode

Defined in

tools/src/tools/base/BaseTool.ts:21

---

scissors

protected scissors: LivewireScissors

Inherited from

LivewireContourTool.scissors

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:52

---

scissorsNext

protected scissorsNext: LivewireScissors

The scissors from the next handle, used for editing

Inherited from

LivewireContourTool.scissorsNext

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:54

---

supportedInteractionTypes

supportedInteractionTypes: InteractionTypes[]

Supported Interaction Types - currently only Mouse

Inherited from

LivewireContourTool.supportedInteractionTypes

Defined in

tools/src/tools/base/BaseTool.ts:15

---

toolGroupId

toolGroupId: string

ToolGroup ID the tool instance belongs to

Inherited from

LivewireContourTool.toolGroupId

Defined in

tools/src/tools/base/BaseTool.ts:19

---

toolName

static toolName: any

Overrides

LivewireContourTool.toolName

Defined in

tools/src/tools/annotation/LivewireContourSegmentationTool.ts:12

Methods

_endCallback()

_endCallback(evt, clearAnnotation): void

Parameters

• evt: InteractionEventType

• clearAnnotation: boolean = false

Returns

void

Inherited from

LivewireContourTool._endCallback

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:439

---

addAnnotation()

protected addAnnotation(annotation, element): string

Add the annotation to the annotation manager.

Parameters

• annotation: Annotation

Contour annotation that is being added

• element: HTMLDivElement

HTMLDivElement

Returns

string

Inherited from

LivewireContourTool.addAnnotation

Defined in

tools/src/tools/base/ContourSegmentationBaseTool.ts:106

---

addNewAnnotation()

addNewAnnotation(evt): ContourAnnotation

Based on the current position of the mouse and the current imageId to create a CircleROI Annotation and stores it in the annotationManager

Parameters

• evt: InteractionEventType

EventTypes.NormalizedMouseEventType

Returns

ContourAnnotation

The annotation object.

Inherited from

LivewireContourTool.addNewAnnotation

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:296

---

applyActiveStrategy()

applyActiveStrategy(enabledElement, operationData): any

Applies the active strategy function to the enabled element with the specified operation data.

Parameters

• enabledElement: IEnabledElement

The element that is being operated on.

• operationData: unknown

The data that needs to be passed to the strategy.

Returns

any

The result of the strategy.

Inherited from

LivewireContourTool.applyActiveStrategy

Defined in

tools/src/tools/base/BaseTool.ts:62

---

applyActiveStrategyCallback()

applyActiveStrategyCallback(enabledElement, operationData, callbackType): any

Applies the active strategy, with a given event type being applied. The event type function is found by indexing it on the active strategy function.

Parameters

• enabledElement: IEnabledElement

The element that is being operated on.

• operationData: unknown

The data that needs to be passed to the strategy.

• callbackType: string

the type of the callback

Returns

any

The result of the strategy.

Inherited from

LivewireContourTool.applyActiveStrategyCallback

Defined in

tools/src/tools/base/BaseTool.ts:86

---

cancel()

cancel(element): string

Parameters

• element: HTMLDivElement

Returns

string

Inherited from

LivewireContourTool.cancel

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:786

---

cancelAnnotation()

protected cancelAnnotation(annotation): void

Unregister the segmentation when the annotation is canceled

Parameters

• annotation: Annotation

Contour segmentation annotation

Returns

void

Inherited from

LivewireContourTool.cancelAnnotation

Defined in

tools/src/tools/base/ContourSegmentationBaseTool.ts:124

---

clearEditData()

protected clearEditData(): void

Returns

void

Inherited from

LivewireContourTool.clearEditData

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:489

---

createAnnotation()

protected createAnnotation(evt): ContourAnnotation

Parameters

• evt: InteractionEventType

Returns

ContourAnnotation

Inherited from

LivewireContourTool.createAnnotation

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:879

---

editHandle()

editHandle(worldPos, element, annotation, handleIndex): void

Parameters

• worldPos: Point3

• element: any

• annotation: ContourAnnotation

• handleIndex: number

Returns

void

Inherited from

LivewireContourTool.editHandle

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:650

---

filterInteractableAnnotationsForElement()

filterInteractableAnnotationsForElement(element, annotations): Annotations

Given the element and annotations which is an array of annotation, it filters the annotations array to only include the annotation based on the viewportType. If the viewport is StackViewport, it filters based on the current imageId of the viewport, if the viewport is volumeViewport, it only returns those that are within the same slice as the current rendered slice in the volume viewport. imageId as the enabledElement.

Parameters

• element: HTMLDivElement

The HTML element

• annotations: Annotations

The annotations to filter (array of annotation)

Returns

Annotations

The filtered annotations

Inherited from

LivewireContourTool.filterInteractableAnnotationsForElement

Defined in

tools/src/tools/base/AnnotationDisplayTool.ts:60

---

getAnnotationStyle()

protected getAnnotationStyle(context): any

Get the annotation style that may or may not be merged with segmentation style so that it can be used by ROI and contour segmentation annotations when rendered on a canvas or svg layer.

Segmentation style shall be a combination of four different configurations from different levels (global, toolGroup, segmentation and segment) and it shall not be used when isContourSegmentationTool() is overwritten and changed by a child class to return false when that class should work only as an ROI.

Parameters

• context

• context.annotation: Annotation

• context.styleSpecifier: StyleSpecifier

Returns

any

Inherited from

LivewireContourTool.getAnnotationStyle

Defined in

tools/src/tools/base/ContourSegmentationBaseTool.ts:144

---

getHandleNearImagePoint()

getHandleNearImagePoint(element, annotation, canvasCoords, proximity): ToolHandle

It checks if the mouse click is near TextBoxHandle or AnnotationHandle itself, and return either it. It prioritize TextBoxHandle over AnnotationHandle. If the mouse click is not near any of the handles, it does not return anything.

Parameters

• element: HTMLDivElement

The element that the tool is attached to.

• annotation: Annotation

The annotation object associated with the annotation

• canvasCoords: Point2

The coordinates of the mouse click on canvas

• proximity: number

The distance from the mouse cursor to the point that is considered "near".

Returns

ToolHandle

The handle that is closest to the cursor, or null if the cursor is not near any of the handles.

Inherited from

LivewireContourTool.getHandleNearImagePoint

Defined in

tools/src/tools/base/AnnotationTool.ts:262

---

getLinkedTextBoxStyle()

getLinkedTextBoxStyle(specifications, annotation?): Record<string, unknown>

It returns the style for the text box

Parameters

• specifications: StyleSpecifier

• annotation?: Annotation

The annotation for the tool that is currently active.

Returns

Record<string, unknown>

An object of the style settings for the text box.

Inherited from

LivewireContourTool.getLinkedTextBoxStyle

Defined in

tools/src/tools/base/AnnotationTool.ts:328

---

getPolylinePoints()

protected getPolylinePoints(annotation): Point3[]

Get polyline points in world space. Just to give a chance for child classes to override it.

Parameters

• annotation: ContourAnnotation

Contour annotation

Returns

Point3[]

Polyline points in world space

Inherited from

LivewireContourTool.getPolylinePoints

Defined in

tools/src/tools/base/ContourBaseTool.ts:245

---

getReferencedImageId()

protected getReferencedImageId(viewport, worldPos, viewPlaneNormal, viewUp?): string

Parameters

• viewport: Viewport

• worldPos: Point3

• viewPlaneNormal: Point3

• viewUp?: Point3

Returns

string

Inherited from

LivewireContourTool.getReferencedImageId

Defined in

tools/src/tools/base/AnnotationDisplayTool.ts:126

---

getStyle()

getStyle(property, specifications, annotation?): unknown

It takes the property (color, lineDash, etc.) and based on the state of the annotation (selected, highlighted etc.) it returns the appropriate value based on the central toolStyle settings for each level of specification.

Parameters

• property: string

The name of the style property to get.

• specifications: StyleSpecifier

• annotation?: Annotation

The annotation for the tool that is currently active.

Returns

unknown

The value of the property.

Inherited from

LivewireContourTool.getStyle

Defined in

tools/src/tools/base/AnnotationDisplayTool.ts:163

---

getTargetId()

protected getTargetId(viewport): string

Get the target Id for the viewport which will be used to store the cached statistics scoped to that target in the annotations. For StackViewport, targetId is the viewportId, but for the volume viewport, the targetId will be grabbed from the volumeId if particularly specified in the tool configuration, or if not, the first actorUID in the viewport.

Parameters

• viewport: Viewport

viewport to get the targetId for

Returns

string

targetId

Inherited from

LivewireContourTool.getTargetId

Defined in

tools/src/tools/base/BaseTool.ts:197

---

getTargetImageData()

protected getTargetImageData(targetId): IImageData | CPUIImageData

Get the image that is displayed for the targetId in the cachedStats which can be

• imageId:<imageId>
• volumeId:<volumeId>
• videoId:<basePathForVideo>/frames/<frameSpecifier>

Parameters

• targetId: string

annotation targetId stored in the cached stats

Returns

IImageData | CPUIImageData

The image data for the target.

Inherited from

LivewireContourTool.getTargetImageData

Defined in

tools/src/tools/base/BaseTool.ts:140

---

getToolName()

getToolName(): string

Returns the name of the tool

Returns

string

The name of the tool.

Inherited from

LivewireContourTool.getToolName

Defined in

tools/src/tools/base/BaseTool.ts:50

---

handleSelectedCallback()

handleSelectedCallback(evt, annotation, handle): void

Parameters

• evt: InteractionEventType

• annotation: ContourAnnotation

• handle: ToolHandle

Returns

void

Inherited from

LivewireContourTool.handleSelectedCallback

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:395

---

isContourSegmentationTool()

protected isContourSegmentationTool(): boolean

Allow children classes inherit from this one and disable contour segmentation behavior and children classes shall work like a normal contour instance which is useful for "hybrid" classes such as splineROI/splineSeg, livewire/livewireSeg, freehandROI/freehandSeg. When this method returns false:

• contour segmentation data is not added to new annotations
• annotations are not registered/unregistered as segmentations
• annotation style shall not contain any segmentation style

Returns

boolean

True if it is a contour segmentation class or false otherwise

Overrides

LivewireContourTool.isContourSegmentationTool

Defined in

tools/src/tools/annotation/LivewireContourSegmentationTool.ts:157

---

isPointNearTool()

isPointNearTool(element, annotation, canvasCoords, proximity): boolean

It returns if the canvas point is near the provided annotation in the provided element or not. A proximity is passed to the function to determine the proximity of the point to the annotation in number of pixels.

Parameters

• element: HTMLDivElement

HTML Element

• annotation: ContourAnnotation

Annotation

• canvasCoords: Point2

Canvas coordinates

• proximity: number

Proximity to tool to consider

Returns

boolean

Boolean, whether the canvas point is near tool

Inherited from

LivewireContourTool.isPointNearTool

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:334

---

isSuvScaled()

isSuvScaled(viewport, targetId, imageId?): boolean

Returns true if the viewport is scaled to SUV units

Parameters

• viewport: StackViewport | VolumeViewport

The viewport

• targetId: string

The annotation targetId

• imageId?: string

The annotation imageId

Returns

boolean

Inherited from

LivewireContourTool.isSuvScaled

Defined in

tools/src/tools/base/AnnotationTool.ts:374

---

mouseMoveCallback()

mouseMoveCallback(evt, filteredAnnotations?): boolean

Event handler for Cornerstone MOUSE_MOVE event.

Parameters

• evt: MouseMoveEventType

The normalized mouse event

• filteredAnnotations?: Annotations

The annotations to check for hover interactions

Returns

boolean

True if the annotation needs to be re-drawn by the annotationRenderingEngine.

Inherited from

LivewireContourTool.mouseMoveCallback

Defined in

tools/src/tools/base/AnnotationTool.ts:197

---

moveAnnotation()

protected moveAnnotation(annotation, worldPosDelta): void

Move an annotation and all its child annotations in a recursive way.

That is useful when clicking on a spline contour to completely translate it to a different place. In that case all holes (child annotations) must also be translated too.

Parameters

• annotation: Annotation

Annotation

• worldPosDelta: Point3

Delta in world space

Returns

void

Inherited from

LivewireContourTool.moveAnnotation

Defined in

tools/src/tools/base/ContourBaseTool.ts:192

---

onImageSpacingCalibrated()

onImageSpacingCalibrated(evt): void

On Image Calibration, take all the annotation from the AnnotationState manager, and invalidate them to force them to be re-rendered and their stats to be recalculated. Then use the old and new imageData (non-calibrated and calibrated) to calculate the new position for the annotations in the space of the new imageData.

Parameters

• evt: ImageSpacingCalibratedEvent

The calibration event

Returns

void

Inherited from

LivewireContourTool.onImageSpacingCalibrated

Defined in

tools/src/tools/base/AnnotationDisplayTool.ts:83

---

renderAnnotation()

renderAnnotation(enabledElement, svgDrawingHelper): boolean

it is used to draw the annotation in each request animation frame. It calculates the updated cached statistics if data is invalidated and cache it.

Parameters

• enabledElement: IEnabledElement

The Cornerstone's enabledElement.

• svgDrawingHelper: SVGDrawingHelper

The svgDrawingHelper providing the context for drawing.

Returns

boolean

Inherited from

LivewireContourTool.renderAnnotation

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:863

---

renderAnnotationInstance()

protected renderAnnotationInstance(renderContext): boolean

Adds the update to the interpolated annotaiton on render an instance, but otherwise just calls the parent render annotation instance.

Parameters

• renderContext: any

Returns

boolean

Overrides

LivewireContourTool.renderAnnotationInstance

Defined in

tools/src/tools/annotation/LivewireContourSegmentationTool.ts:117

---

setActiveStrategy()

setActiveStrategy(strategyName): void

Sets the active strategy for a tool. Strategies are multiple implementations of tool behavior that can be switched by tool configuration.

Parameters

• strategyName: string

name of the strategy to be set as active

Returns

void

Inherited from

LivewireContourTool.setActiveStrategy

Defined in

tools/src/tools/base/BaseTool.ts:126

---

setConfiguration()

setConfiguration(newConfiguration): void

merges the new configuration with the tool configuration

Parameters

• newConfiguration: Record<string, any>

Returns

void

Inherited from

LivewireContourTool.setConfiguration

Defined in

tools/src/tools/base/BaseTool.ts:112

---

setupBaseEditData()

protected setupBaseEditData(worldPos, element, annotation, nextPos?, contourHoleProcessingEnabled?): void

Parameters

• worldPos: any

• element: any

• annotation: any

• nextPos?: any

• contourHoleProcessingEnabled?: any

Returns

void

Inherited from

LivewireContourTool.setupBaseEditData

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:159

---

toolSelectedCallback()

toolSelectedCallback(evt, annotation): void

Parameters

• evt: InteractionEventType

• annotation: ContourAnnotation

Returns

void

Inherited from

LivewireContourTool.toolSelectedCallback

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:367

---

triggerAnnotationModified()

triggerAnnotationModified(annotation, enabledElement, changeType): void

Parameters

• annotation: ContourAnnotation

• enabledElement: IEnabledElement

• changeType: ChangeTypes = ChangeTypes.StatsUpdated

Returns

void

Inherited from

LivewireContourTool.triggerAnnotationModified

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:1143

---

triggerChangeEvent()

triggerChangeEvent(annotation, enabledElement, changeType, contourHoleProcessingEnabled): void

Triggers an annotation complete or modified event based on changeType.

Parameters

• annotation: ContourAnnotation

• enabledElement: IEnabledElement

• changeType: ChangeTypes = ChangeTypes.StatsUpdated

• contourHoleProcessingEnabled: boolean = false

Returns

void

Inherited from

LivewireContourTool.triggerChangeEvent

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:499

---

undo()

undo(element, config, evt): void

Clears any in progress edits, mostly used to get rid of accidentally started contours that happen on clicking not quite the right handle point. Eventually this is to be replaced with a proper undo, once that framework is available.

Parameters

• element: any

• config: any

• evt: any

Returns

void

Inherited from

LivewireContourTool.undo

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:902

---

updateAnnotation()

protected updateAnnotation(livewirePath): void

Parameters

• livewirePath: LivewirePath

Returns

void

Inherited from

LivewireContourTool.updateAnnotation

Defined in

tools/src/tools/annotation/LivewireContourTool.ts:1160

---

updateContourPolyline()

protected updateContourPolyline(annotation, polylineData, transforms, options?): void

Parameters

• annotation: ContourAnnotation

• polylineData

• polylineData.closed?: boolean

• polylineData.points: Point2[]

• polylineData.targetWindingDirection?: ContourWindingDirection

• transforms?

• transforms.canvasToWorld?

• transforms.worldToCanvas?

• options?

• options.updateWindingDirection?: boolean

Returns

void

Inherited from

LivewireContourTool.updateContourPolyline

Defined in

tools/src/tools/base/ContourBaseTool.ts:213

---

updateInterpolatedAnnotation()

updateInterpolatedAnnotation(annotation, enabledElement): void

Updates the interpolated annotations with the currently displayed image data, performing hte livewire on the image data as generated. Note - this function is only called for interpolated livewire SEGMENTATION objects, and will return immediately otherwise.

The work for the interpolation is performed in a microtask, enabling this method to return quickly for faster render speeds, but ensuring that the annotation data isn't updated before the changes are performed. The removes some irritating flickering on navigation.

Parameters

• annotation: ContourSegmentationAnnotation

• enabledElement: IEnabledElement

Returns

void

Defined in

tools/src/tools/annotation/LivewireContourSegmentationTool.ts:25

---

createAndAddAnnotation()

static createAndAddAnnotation(viewport, ...annotationBaseData): void

Creates and adds an annotation of the given type, firing the annotation modified event on the new annotation. This implicitly uses the static class when you call it on the correct base class. For example, you can call the KeyImageTool.createAnnotation method on KeyImageTool.toolName by calling KeyImageTool.createAndAddAnnotation

Parameters

• viewport: any

• ...annotationBaseData: any[]

Returns

void

Inherited from

LivewireContourTool.createAndAddAnnotation

Defined in

tools/src/tools/base/AnnotationTool.ts:97

---

createAnnotation()

static createAnnotation(...annotationBaseData): Annotation

Creates a base annotation object, adding in any annotation base data provided

Parameters

• ...annotationBaseData: any[]

Returns

Annotation

Inherited from

LivewireContourTool.createAnnotation

Defined in

tools/src/tools/base/AnnotationTool.ts:45

---

createAnnotationForViewport()

static createAnnotationForViewport(viewport, ...annotationBaseData): Annotation

Creates a new annotation for the given viewport. This just adds the viewport reference data to the metadata, and otherwise returns the static class createAnnotation data.

Parameters

• viewport: any

• ...annotationBaseData: any[]

Returns

Annotation

Inherited from

LivewireContourTool.createAnnotationForViewport

Defined in

tools/src/tools/base/AnnotationTool.ts:82