Class VisResult

Class for working with visualization data - record for one time, defined by timestamp.

VisResult

Hierarchy (view full)

Constructors

constructor

Properties

asJSON deleted dontNotify id isObservable isStatusBarSource maxLeft maxRight objectType persistentID statusInfo timestamp title

Methods

beginUpdate checkUpdate doCut endUpdate getClassName getNormalizedFFTValues getNormalizedOscValues getOscValues getPersistentJSON getSpectrumValues isMarked locked modifyAsync notifyChanged setMarked toString toUriString updateStatus

Events

event_change event_destroying event_statuschange

Constructors

constructor

Properties

asJSON

asJSON: string

Gets the object as serialized JSON string. Or sets serialized JSON (to fill this object's metadata by the metadata included within the JSON)

deleted

deleted: boolean

Set to true after deletion so that 'change' event is called and item is removed from UI lists.

dontNotify

dontNotify: boolean

Undocumented

id

id: number

Gets integer id of the object

isObservable

isObservable: boolean

Whether this object can be listened (e.g. for 'change' event)

isStatusBarSource

isStatusBarSource: boolean

Is source for status bar informations.

maxLeft

maxLeft: number

Gets/Sets signal level of the left channel of the data, range 0 - 32768.

maxRight

maxRight: number

Gets/Sets signal level of the right channel of the data, range 0 - 32768.

objectType

objectType: string

Gets the object type as string

persistentID

persistentID: string

Gets persistent id of the object

statusInfo

statusInfo: Promise<any>

Undocumented

timestamp

timestamp: number

Gets/Sets timestamp of the data.

title

title: string

Gets the object title

Methods

beginUpdate

  • beginUpdate(): void

  • Lock object to update state. Events are not called when in update state.

    Returns void

checkUpdate

  • checkUpdate(interval): void

  • Updates the object every X ms when called periodically. Useful e.g. when filling lists. Can be used only in the update lock! (i.e. between beginUpdate/endUpdate)

    Parameters

    • interval: number

    Returns void

doCut

  • doCut(data): Promise<any>

  • Parameters

    Returns Promise<any>

    Undocumented

endUpdate

  • endUpdate(): boolean

  • Unlock object from update state. beginUpdate and endUpdate must be in pair. When endUpdate is called, change event is called.

    Returns boolean

getClassName

  • getClassName(): string

  • Gets class name of the object.

    Returns string

getNormalizedFFTValues

  • getNormalizedFFTValues(obj): any

  • Returns array with spectrum values copmputed by FFT, raw values without scaling and adjusting, normalized to <0, 1>.

    Parameters

    • obj: any

      object with the last result or empty JS variable, used for faster access

    Returns any

    Array of single values

getNormalizedOscValues

  • getNormalizedOscValues(obj): any

  • Returns array with oscilloscop values (waveform data), normalized to <-1, 1>, maximum length 512.

    Parameters

    • obj: any

      object with the last result or empty JS variable, used for faster access

    Returns any

    Array of double values.

getOscValues

  • getOscValues(obj): any

  • Returns array with oscilloscop values (waveform data), maximum length 512.

    Parameters

    • obj: any

      object with the last result or empty JS variable, used for faster access

    Returns any

    Array of 32bit integer values.

getPersistentJSON

getSpectrumValues

  • getSpectrumValues(obj): any

  • Returns array with spectrum values, maximum length 20.

    Parameters

    • obj: any

      object with the last result or empty JS variable, used for faster access

    Returns any

    Array of spectrum values from range 0 - 8192.

isMarked

  • isMarked(id): boolean

  • Parameters

    • id: number

    Returns boolean

    Undocumented

locked

  • locked(func): void

  • Call defined method with locked data so user can access them.

    Parameters

    • func: (() => any)

      Method to call

        • (): any

        • Returns any

    Returns void

modifyAsync

  • modifyAsync(...params): Promise<any>

  • Call defined method with the item locked for modifications.

    Parameters

    • Rest ...params: any[]

    Returns Promise<any>

notifyChanged

  • notifyChanged(...params): void

  • Notifies that the object was changed (e.g. to force visual update etc.)

    Parameters

    • Rest ...params: any[]

    Returns void

setMarked

  • setMarked(id, value): void

  • Parameters

    • id: number
    • value: boolean

    Returns void

    Undocumented

toString

toUriString

updateStatus

Events

event_change

event_change: ((changeType, ...additionalArgs) => void)

Event is called when object is somehow changed

See App.listen

Type declaration

    • (changeType, ...additionalArgs): void

    • Parameters

      • changeType: string

        additional change type (can have values like 'tracklist', 'deleted', 'title' or undefined)

      • Rest ...additionalArgs: any[]

      Returns void

Example

app.listen(object, 'change', (changeType) => {  });

event_destroying

event_destroying: (() => void)

Event is called when object is going to destroy

See App.listen

Type declaration

    • (): void

    • Returns void

event_statuschange

event_statuschange: (() => void)

Event is called when status info of the object is changed

See App.listen

Type declaration

    • (): void

    • Returns void

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