Class: WTLineGhostNeedleNavIndicator

Defined in: wtlinesdk/navigation/WTLineNavIndicators.ts:199

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.

Extends

• NavIndicator<WTLineNavSourceNames>

Constructors

Constructor

new WTLineGhostNeedleNavIndicator(navSources, bus): WTLineGhostNeedleNavIndicator

Defined in: wtlinesdk/navigation/WTLineNavIndicators.ts:209

NavIndicator constructor.

Parameters

Parameter	Type	Description
navSources	WTLineNavSources	The possible nav sources that could be pointed to.
bus	EventBus	The bus.

Returns

WTLineGhostNeedleNavIndicator

Overrides

NavIndicator.constructor

Properties

activeFrequency

readonly activeFrequency: Subject<null | number>

Defined in: wtlinesdk/navigation/NavBase.ts:62

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

NavIndicator.activeFrequency

---

bearing

readonly bearing: Subject<null | number>

Defined in: wtlinesdk/navigation/NavBase.ts:14

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

Inherited from

NavIndicator.bearing

---

course

readonly course: Subject<null | number>

Defined in: wtlinesdk/navigation/NavBase.ts:20

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

NavIndicator.course

---

distance

readonly distance: Subject<null | number>

Defined in: wtlinesdk/navigation/NavBase.ts:43

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

NavIndicator.distance

---

hasDme

readonly hasDme: Subject<null | boolean>

Defined in: wtlinesdk/navigation/NavBase.ts:48

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

Inherited from

NavIndicator.hasDme

---

hasGlideSlope

readonly hasGlideSlope: Subject<null | boolean>

Defined in: wtlinesdk/navigation/NavBase.ts:75

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

Inherited from

NavIndicator.hasGlideSlope

---

hasLocalizer

readonly hasLocalizer: Subject<null | boolean>

Defined in: wtlinesdk/navigation/NavBase.ts:38

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

Inherited from

NavIndicator.hasLocalizer

---

hasNav

readonly hasNav: Subject<null | boolean>

Defined in: wtlinesdk/navigation/NavBase.ts:57

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

Inherited from

NavIndicator.hasNav

---

ident

readonly ident: Subject<null | string>

Defined in: wtlinesdk/navigation/NavBase.ts:52

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

Inherited from

NavIndicator.ident

---

isArmed

readonly isArmed: Subject<boolean>

Defined in: wtlinesdk/navigation/WTLineNavIndicators.ts:201

Nav-to-nav is armed and we are receiving a localizer signal.

---

isLocalizer

readonly isLocalizer: Subject<null | boolean>

Defined in: wtlinesdk/navigation/NavBase.ts:33

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

NavIndicator.isLocalizer

---

isVisible

readonly isVisible: Subject<boolean>

Defined in: wtlinesdk/navigation/WTLineNavIndicators.ts:203

If nav-to-nav is armed and waiting for a localizer signal.

---

lateralDeviation

readonly lateralDeviation: Subject<null | number>

Defined in: wtlinesdk/navigation/NavBase.ts:66

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

Inherited from

NavIndicator.lateralDeviation

---

lateralDeviationScaling

readonly lateralDeviationScaling: Subject<null | number>

Defined in: wtlinesdk/navigation/NavBase.ts:88

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

Inherited from

NavIndicator.lateralDeviationScaling

---

lateralDeviationScalingLabel

readonly lateralDeviationScalingLabel: Subject<null | string>

Defined in: wtlinesdk/navigation/NavBase.ts:93

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

NavIndicator.lateralDeviationScalingLabel

---

localizerCourse

readonly localizerCourse: Subject<null | number>

Defined in: wtlinesdk/navigation/NavBase.ts:26

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

Inherited from

NavIndicator.localizerCourse

---

navSources

protected readonly navSources: NavSources<readonly ["NAV1", "NAV2", "ADF", "FMS1", "FMS2"]>

Defined in: wtlinesdk/navigation/nav-indicators/NavIndicators.ts:42

The possible nav sources that could be pointed to.

Inherited from

NavIndicator.navSources

---

setters

protected readonly setters: Map<keyof NavBaseFields, { setter: (value) => void; sub?: Subscription; }>

Defined in: wtlinesdk/navigation/NavBase.ts:110

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

Inherited from

NavIndicator.setters

---

source

readonly source: Subscribable<null | NavSourceBase<readonly ["NAV1", "NAV2", "ADF", "FMS1", "FMS2"]>>

Defined in: wtlinesdk/navigation/nav-indicators/NavIndicators.ts:36

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

Inherited from

NavIndicator.source

---

timeToGo

readonly timeToGo: Subject<null | number>

Defined in: wtlinesdk/navigation/NavBase.ts:78

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

Inherited from

NavIndicator.timeToGo

---

toFrom

readonly toFrom: Subject<null | VorToFrom>

Defined in: wtlinesdk/navigation/NavBase.ts:83

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

NavIndicator.toFrom

---

verticalDeviation

readonly verticalDeviation: Subject<null | number>

Defined in: wtlinesdk/navigation/NavBase.ts:70

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

Inherited from

NavIndicator.verticalDeviation

Methods

setSource()

setSource(newSourceName): void

Defined in: wtlinesdk/navigation/nav-indicators/NavIndicators.ts:51

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

Parameters

Parameter	Type	Description
newSourceName	null | "ADF" | "NAV1" | "NAV2" | "FMS1" | "FMS2"	Name of new source, if any.

Returns

void

Inherited from

NavIndicator.setSource