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TrafficGetSpeed Method (UInt64, TrafficDirectionType, DateTime, TimeZone, SpeedUnit)

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Query each of this Traffic's TrafficSources to get the speed along a given link at a given time, link direction and timezone.

Namespace:  Telogis.GeoBase.Traffic
Assembly:  geobase.net (in geobase.net.dll) Version: 4.99.0.0
Syntax
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public double GetSpeed(
	ulong link_id,
	TrafficDirectionType direction,
	DateTime time,
	TimeZone timeZone,
	SpeedUnit units
)

Parameters

link_id
Type: SystemUInt64
The link to get the speed of, specified as a link ID.
direction
Type: Telogis.GeoBase.TrafficTrafficDirectionType
The direction of the link as a TrafficDirectionType.
time
Type: SystemDateTime
The time of day, as a DateTime.
timeZone
Type: Telogis.GeoBaseTimeZone
The time zone the link exists in as a DateTime.
units
Type: Telogis.GeoBaseSpeedUnit
The units in which to return the speed.

Return Value

Type: Double
-1 if the link could not be resolved to a speed, otherwise the traffic speed.
Remarks
The speed along a link may vary at different times (for example, rush-hour traffic).
See Also