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Class: NavIndicator<T>

Represent a navigation indicator, like a course needle or bearing pointer. Can only be pointed to 1 nav source at a time. Gives visual components a single thing to subscribe to, while the actual source can be easily changed.

Type parameters​

NameType
Textends readonly string[]

Hierarchy​

Constructors​

constructor​

• new NavIndicator<T>(navSources, sourceName?): NavIndicator<T>

NavIndicator constructor.

Type parameters​

NameType
Textends readonly string[]

Parameters​

NameTypeDefault valueDescription
navSourcesNavSources<T>undefinedThe possible nav sources that could be pointed to.
sourceNamenull | T[number]nullThe initial source to use, if any.

Returns​

NavIndicator<T>

Overrides​

NavBase.constructor

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavIndicators/NavIndicators.ts:42

Properties​

activeFrequency​

• Readonly activeFrequency: Subject<null | number>

The active frequency that the nav source is tuned to. Only for NAV and ADF source types. NAV ACTIVE FREQUENCY, ADF ACTIVE FREQUENCY.

Inherited from​

NavBase.activeFrequency

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:62

bearing​

• Readonly bearing: Subject<null | number>

Always points to the curently tuned station or next waypoint/fix. NAV RADIAL, ADF RADIAL

Inherited from​

NavBase.bearing

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:14

course​

• Readonly course: Subject<null | number>

Either points towards the next waypoint (GPS/FMS), displays the course selected by the course knob (VOR), or displays the fixed course of a localizer (ILS). NAV OBS, L:WTAP_LNav_DTK_Mag

Inherited from​

NavBase.course

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:20

distance​

• Readonly distance: Subject<null | number>

DME, distance to the station or next waypoint. Is null when source is NAV and hasDme is false. NAV DME, ADF DISTANCE, L:WTAP_LNav_DIS

Inherited from​

NavBase.distance

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:43

hasDme​

• Readonly hasDme: Subject<null | boolean>

Whether the source is receiving a valid DME signal. Only for NAV source types. NAV HAS DME

Inherited from​

NavBase.hasDme

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:48

hasGlideSlope​

• Readonly hasGlideSlope: Subject<null | boolean>

Whether the source is receiving glideslope information. Only for NAV source types. NAV HAS GLIDE SLOPE.

Inherited from​

NavBase.hasGlideSlope

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:75

hasLocalizer​

• Readonly hasLocalizer: Subject<null | boolean>

Whether the nav source is receiving a valid localizer signal. Only for NAV source types. NAV HAS LOCALIZER

Inherited from​

NavBase.hasLocalizer

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:38

hasNav​

• Readonly hasNav: Subject<null | boolean>

Whether the source is receiving a nav signal. Only for NAV source types. NAV HAS NAV.

Inherited from​

NavBase.hasNav

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:57

ident​

• Readonly ident: Subject<null | string>

The ICAO ident of the station or waypoint. NAV IDENT, or flight plan

Inherited from​

NavBase.ident

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:52

isLocalizer​

• Readonly isLocalizer: Subject<null | boolean>

Whether the tuned station is a localizer or not. This can be true even if hasLocalizer is false, because this can be based on the frequency alone. Only for NAV source types. NAV LOCALIZER.

Inherited from​

NavBase.isLocalizer

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:33

lateralDeviation​

• Readonly lateralDeviation: Subject<null | number>

Normalized and scaled lateral deviation (-1, 1). NAV CDI, L:WTAP_LNav_XTK

Inherited from​

NavBase.lateralDeviation

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:66

lateralDeviationScaling​

• Readonly lateralDeviationScaling: Subject<null | number>

The current CDI scale, in nautical miles. Only for GPS source types. L:WTAP_LNav_CDI_Scale

Inherited from​

NavBase.lateralDeviationScaling

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:88

lateralDeviationScalingLabel​

• Readonly lateralDeviationScalingLabel: Subject<null | string>

A readable string/enum that shows the name of current scaling being applied to lateral deviation. Only for GPS source types. L:WTAP_LNav_CDI_Scale_Label

Inherited from​

NavBase.lateralDeviationScalingLabel

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:93

localizerCourse​

• Readonly localizerCourse: Subject<null | number>

The fixed course of a localizer when available (ILS). Is null when hasLocalizer is false. Only for NAV source types. NAV LOCALIZER

Inherited from​

NavBase.localizerCourse

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:26

• Protected Readonly navSources: NavSources<T>

The possible nav sources that could be pointed to.

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavIndicators/NavIndicators.ts:42

setters​

• Protected Readonly setters: Map<keyof NavBaseFields, (value: any) => void>

An automatically generated map of setters to make it easy to set, sub, and unsub, getting around having to call .bind().

Inherited from​

NavBase.setters

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:110

source​

• Readonly source: Subscribable<null | NavSourceBase<T>>

The nav source that is feeding data into the indicator fields. Can only be changed with the setSource function.

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavIndicators/NavIndicators.ts:36

timeToGo​

• Readonly timeToGo: Subject<null | number>

TTG, estimated time remaining until aircraft reaches next fix. // TODO Implement this

Inherited from​

NavBase.timeToGo

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:78

toFrom​

• Readonly toFrom: Subject<null | VorToFrom>

Whether course is pointing TO or FROM the station (VOR), or if the aircraft heading is within 90 degress of the desired track (GPS). NAV TOFROM, // TODO FMS VAR?

Inherited from​

NavBase.toFrom

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:83

verticalDeviation​

• Readonly verticalDeviation: Subject<null | number>

Normalized and scaled vertical deviation (-1, 1). NAV GLIDE SLOPE ERROR, L:WTAP_VNav_Vertical_Deviation, L:WTAP_LPV_Vertical_Deviation

Inherited from​

NavBase.verticalDeviation

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:70

Methods​

setSource​

▸ setSource(newSourceName): void

Changes the source of this indicator. All subjects will be republished with the current info from the new source.

Parameters​

NameTypeDescription
newSourceNamenull | T[number]Name of new source, if any.

Returns​

void

Defined in​

workingtitle-instruments-wt21/shared/Navigation/NavIndicators/NavIndicators.ts:51