Class: WT21GhostNeedleNavIndicator
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.
Hierarchy
NavIndicator<WT21NavSourceNames>↳
WT21GhostNeedleNavIndicator
Constructors
constructor
• new WT21GhostNeedleNavIndicator(navSources, bus): WT21GhostNeedleNavIndicator
NavIndicator constructor.
Parameters
| Name | Type | Description |
|---|---|---|
navSources | WT21NavSources | The possible nav sources that could be pointed to. |
bus | EventBus | The bus. |
Returns
Overrides
Defined in
workingtitle-instruments-wt21/shared/Navigation/WT21NavIndicators.ts:206
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
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
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
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
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
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
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
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
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
Defined in
workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:52
isArmed
• Readonly isArmed: Subject<boolean>
Nav-to-nav is armed and we are receiving a localizer signal.
Defined in
workingtitle-instruments-wt21/shared/Navigation/WT21NavIndicators.ts:198
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
Defined in
workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:33
isVisible
• Readonly isVisible: Subject<boolean>
If nav-to-nav is armed and waiting for a localizer signal.
Defined in
workingtitle-instruments-wt21/shared/Navigation/WT21NavIndicators.ts:200
lateralDeviation
• Readonly lateralDeviation: Subject<null | number>
Normalized and scaled lateral deviation (-1, 1). NAV CDI, L:WTAP_LNav_XTK
Inherited from
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
NavIndicator.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
NavIndicator.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
Defined in
workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:26
navSources
• Protected Readonly navSources: NavSources<readonly ["NAV1", "NAV2", "ADF", "FMS1", "FMS2"]>
The possible nav sources that could be pointed to.
Inherited from
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
Defined in
workingtitle-instruments-wt21/shared/Navigation/NavBase.ts:110
source
• Readonly source: Subscribable<null | NavSourceBase<readonly ["NAV1", "NAV2", "ADF", "FMS1", "FMS2"]>>
The nav source that is feeding data into the indicator fields. Can only be changed with the setSource function.
Inherited from
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
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
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
NavIndicator.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
| Name | Type | Description |
|---|---|---|
newSourceName | null | "ADF" | "NAV1" | "NAV2" | "FMS1" | "FMS2" | Name of new source, if any. |
Returns
void
Inherited from
Defined in
workingtitle-instruments-wt21/shared/Navigation/NavIndicators/NavIndicators.ts:51