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Showing content from https://developers.arcgis.com/qt/cpp/api-reference/esri-arcgisruntime-trackingdistance.html below:

TrackingDistance Class | ArcGIS Maps SDK for Qt

TrackingDistance

class Esri::ArcGISRuntime::TrackingDistance

Defines tracking distance. More...

List of all members, including inherited members

Public Functions Detailed Description

Tracking distance contains two types of distances - raw and display. Raw distance is always in meters (fixed units). Display distance is in displayTextUnits (LinearUnit).

Member Function Documentation [override virtual noexcept] TrackingDistance::~TrackingDistance()

Destructor.

QString TrackingDistance::displayText() const

Returns formatted and rounded distance, ready for displaying.

Use this property to have consistent distances/units with voice guidances. The distance is in displayTextUnits (LinearUnit).

The following rules are used for rounding and formatting: IMPERIAL

0 -> 50' => Round to increments of 10' (e.g. "10", "20", "30", "40")
50' -> 0.1 mi (528') => Round to increments of 50' (e.g. "50", "100", "150", etc.)
0.1 -> 1.0 mi => Round to decimal mile (e.g "0.1", "0.2", "0.3", etc.)
1.0 mi -> 10 mi => Round to half mile (e.g. "1.0", "1.5", "2.0", etc.)
10+ mi => Round to mile (e.g. "10", "11", "12", etc.)

METRIC

0 -> 50 m => Round to increments of 10 m (e.g. "10", "20", "30", "40")
50 m -> 500 m => Round to increments of 50 m (e.g. "50", "100", "150", etc.)
500 m -> 10 km => Round to half km (e.g. "1.0", "1.5", "2.0", etc.)
10+ km => Round to whole km (e.g. "10", "11", "12", etc.)

See also VoiceGuidance.

Esri::ArcGISRuntime::LinearUnit TrackingDistance::displayTextUnits() const

Returns the units used in the displayText which vary base on distance from maneuver/destination.

double TrackingDistance::distance() const

Returns raw distance in meters.

The raw distance without rounding and formatting, in meters.

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