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04-17-2013 05:26 AM
I have found a Reset property in
QGeoPositionInfoSource and Valid reset types are "cold", "warm", "hot", "factory", "ee_data", "almanac", "ephemeris" ????
But unable to found what is the purpose of this property and what are these valid Types do???
Can anybody help me in this regard?
Solved! Go to Solution.
04-17-2013 05:35 PM - edited 04-17-2013 05:37 PM
The reset property enables you to reset the GPS receiver on the phone. The valid types imply varying degrees of the reset state. Over time GPS receivers collect and store data that can be used to assist getting position fixes quickly and accurately. However unlikely it is that a GPS receiver can get into a bad state it may still be necessary that it needs to be reset. What each reset type implies may be dependent on the GPS receiver (it can vary between phone models). Some things can be qualitatively inferred from the type name, and knowledge of GPS terminology.
Be aware that if you set the reset property the receiver will not actually be reset until a position is subsequently requested (i.e. by calling QGeoPositionInfoSource::startUpdates() or QGeoPositionInfoSource::requestUpdate()). Also, the reset may cause a significant delay until the next position update occurs.
04-18-2013 08:25 AM
Thanks Jim for your quick and detailed response.
So does it mean that it only applies to SatellitePositioningMethods and not on NonSatellitePositioningMethods???
04-18-2013 09:40 AM
Yes, it applies only to the GPS receiver on the device hence from the Qt Location API perspective, SatellitePositioningMethods.