Class SliceViewBackend

Hierarchy

SliceViewIntermediateBase
- SliceViewBackend

Constructors

constructor

new SliceViewBackend(rpc: RPC, options: any): SliceViewBackend
Parameters
- rpc: RPC
- options: any
Returns SliceViewBackend
Overrides SliceViewIntermediateBase.constructor
- Defined in src/neuroglancer/sliceview/backend.ts:60

Properties

RPC_TYPE_ID

RPC_TYPE_ID: string

Should be set to a constant specifying the SharedObject type identifier on the prototype of final derived owner classes. It is not used on counterpart (non-owner) classes.

chunkManager

chunkManager: ChunkManager

disposedStacks

disposedStacks: any

handleLayerChanged

handleLayerChanged: (() => void) = ...

Type declaration

- (): void
- Returns void

isOwner

isOwner: undefined | boolean

projectionParameters

projectionParameters: WatchableValueChangeInterface<SliceViewProjectionParameters>

refCount

refCount: number = 1

referencedGeneration

referencedGeneration: number

rpc

rpc: null | RPC = null

rpcId

rpcId: null | number = null

unreferencedGeneration

unreferencedGeneration: number

velocityEstimator

velocityEstimator: VelocityEstimator = ...

visibility

visibility: SharedWatchableValue<number>

visibleLayers

visibleLayers: Map<SliceViewRenderLayerBackend, VisibleLayerSources<SliceViewRenderLayerBackend, SliceViewChunkSourceBackend<SliceViewChunkSpecification<Uint32Array | Float32Array>, SliceViewChunk>, TransformedSource<SliceViewRenderLayerBackend, SliceViewChunkSourceBackend<SliceViewChunkSpecification<Uint32Array | Float32Array>, SliceViewChunk>>>> = ...

visibleSourcesStale

visibleSourcesStale: boolean = true

wasDisposed

wasDisposed: undefined | boolean

Methods

addCounterpartRef

addCounterpartRef(): {
gen: number;
id: null | number;
}
Precondition: this.isOwner === true.

Returns {
gen: number;
id: null | number;
}
- gen: number
- id: null | number
Inherited from SliceViewIntermediateBase.addCounterpartRef
- Defined in src/neuroglancer/worker_rpc.ts:199

addRef

addRef(): SliceViewBackend
Returns SliceViewBackend
Inherited from SliceViewIntermediateBase.addRef
- Defined in src/neuroglancer/util/disposable.ts:48

addVisibleLayer

addVisibleLayer(layer: SliceViewRenderLayerBackend, allSources: TransformedSource<SliceViewRenderLayerBackend, SliceViewChunkSourceBackend<SliceViewChunkSpecification<Uint32Array | Float32Array>, SliceViewChunk>>[][]): void
Parameters
- layer: SliceViewRenderLayerBackend
- allSources: TransformedSource<SliceViewRenderLayerBackend, SliceViewChunkSourceBackend<SliceViewChunkSpecification<Uint32Array | Float32Array>, SliceViewChunk>>[][]
Returns void
- Defined in src/neuroglancer/sliceview/backend.ts:186

counterpartRefCountReachedZero

counterpartRefCountReachedZero(generation: number): void
Precondition: this.isOwner === true.

This should be called when the counterpart's refCount is decremented and reaches zero.
Parameters
- generation: number
Returns void
Inherited from SliceViewIntermediateBase.counterpartRefCountReachedZero
- Defined in src/neuroglancer/worker_rpc.ts:234

dispose

dispose(): void
Returns void
Inherited from SliceViewIntermediateBase.dispose
- Defined in src/neuroglancer/worker_rpc.ts:192

disposed

disposed(): void
Returns void
Overrides SliceViewIntermediateBase.disposed
- Defined in src/neuroglancer/sliceview/backend.ts:209

initializeCounterpart

initializeCounterpart(rpc: RPC, options?: any): void
Parameters
- rpc: RPC
- options: any = {}
Returns void
Inherited from SliceViewIntermediateBase.initializeCounterpart
- Defined in src/neuroglancer/worker_rpc.ts:182

initializeSharedObject

initializeSharedObject(rpc: RPC, rpcId?: number): void
Parameters
- rpc: RPC
- rpcId: number = ...
Returns void
Inherited from SliceViewIntermediateBase.initializeSharedObject
- Defined in src/neuroglancer/worker_rpc.ts:175

invalidateVisibleChunks

invalidateVisibleChunks(): void
Returns void
Overrides SliceViewIntermediateBase.invalidateVisibleChunks
- Defined in src/neuroglancer/sliceview/backend.ts:70

invalidateVisibleSources

invalidateVisibleSources(): void
Returns void
Overrides SliceViewIntermediateBase.invalidateVisibleSources
- Defined in src/neuroglancer/sliceview/backend.ts:216

`Protected` ownerDispose

ownerDispose(): void
Precondition: this.isOwner === true.

Returns void
Inherited from SliceViewIntermediateBase.ownerDispose
- Defined in src/neuroglancer/worker_rpc.ts:219

`Protected` refCountReachedZero

refCountReachedZero(): void
Returns void
Inherited from SliceViewIntermediateBase.refCountReachedZero
- Defined in src/neuroglancer/worker_rpc.ts:203

registerCancellable

registerCancellable<T>(cancellable: T): T
Type Parameters
- T extends {
  cancel: (() => void);
  }
Parameters
- cancellable: T
Returns T
Inherited from SliceViewIntermediateBase.registerCancellable
- Defined in src/neuroglancer/util/disposable.ts:100

registerDisposer

registerDisposer<T>(f: T): T
Type Parameters
- T extends Disposer
Parameters
- f: T
Returns T
Inherited from SliceViewIntermediateBase.registerDisposer
- Defined in src/neuroglancer/util/disposable.ts:76

registerEventListener

registerEventListener(target: EventTarget, type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions): void
Parameters
- target: EventTarget
- type: string
- listener: EventListenerOrEventListenerObject
- Optional options: boolean | AddEventListenerOptions
Returns void
Inherited from SliceViewIntermediateBase.registerEventListener
- Defined in src/neuroglancer/util/disposable.ts:95

removeVisibleLayer

removeVisibleLayer(layer: SliceViewRenderLayerBackend): void
Parameters
- layer: SliceViewRenderLayerBackend
Returns void
- Defined in src/neuroglancer/sliceview/backend.ts:176

unregisterDisposer

unregisterDisposer<T>(f: T): T
Type Parameters
- T extends Disposer
Parameters
- f: T
Returns T
Inherited from SliceViewIntermediateBase.unregisterDisposer
- Defined in src/neuroglancer/util/disposable.ts:85

updateVisibleChunks

updateVisibleChunks(): void
Returns void
- Defined in src/neuroglancer/sliceview/backend.ts:79

updateVisibleSources

updateVisibleSources(): void
Computes the list of sources to use for each visible layer, based on the current pixelSize.

Returns void
Inherited from SliceViewIntermediateBase.updateVisibleSources
- Defined in src/neuroglancer/sliceview/base.ts:286

Class SliceViewBackend

Hierarchy

Index

Constructors

Properties

Methods

Constructors

constructor

Parameters

rpc: RPC

options: any

Returns SliceViewBackend

Properties

RPC_TYPE_ID

chunkManager

disposedStacks

handleLayerChanged

Type declaration

Returns void

isOwner

projectionParameters

refCount

referencedGeneration

rpc

rpcId

unreferencedGeneration

velocityEstimator

visibility

visibleLayers

visibleSourcesStale

wasDisposed

Methods

addCounterpartRef

Returns { gen: number; id: null | number; }

gen: number

id: null | number

addRef

Returns SliceViewBackend

addVisibleLayer

Parameters

layer: SliceViewRenderLayerBackend

allSources: TransformedSource<SliceViewRenderLayerBackend, SliceViewChunkSourceBackend<SliceViewChunkSpecification<Uint32Array | Float32Array>, SliceViewChunk>>[][]

Returns void

counterpartRefCountReachedZero

Parameters

generation: number

Returns void

dispose

Returns void

disposed

Returns void

initializeCounterpart

Parameters

rpc: RPC

options: any = {}

Returns void

initializeSharedObject

Parameters

rpc: RPC

rpcId: number = ...

Returns void

invalidateVisibleChunks

Returns void

invalidateVisibleSources

Returns void

Protected ownerDispose

Returns void

Protected refCountReachedZero

Returns void

registerCancellable

Type Parameters

T extends { cancel: (() => void); }

Parameters

cancellable: T

Returns T

registerDisposer

Type Parameters

T extends Disposer

Parameters

f: T

Returns {
gen: number;
id: null | number;
}

`Protected` ownerDispose

`Protected` refCountReachedZero

T extends {
cancel: (() => void);
}

`Optional` options: boolean | AddEventListenerOptions