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2014/10/15 ¤U¤È 10:09:33
iphone Programming Glossary: getdistancefromOptimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the postNotificationName @ UpdateLocationNotification object nil if oldLocation nil distanceMoved newLocation getDistanceFrom oldLocation currentSpeed newLocation.speed distanceTimeDelta newLocation.timestamp timeIntervalSinceDate oldLocation.timestamp..
Why is my CLLocation speed so inaccurate? http://stackoverflow.com/questions/1180050/why-is-my-cllocation-speed-so-inaccurate the distance by yourself compute the distance between the last good location and the previous good location using getDistanceFrom and then divide by the number of seconds elapsed between the location update. This will give you the distance in meters..
Distance between two coordinates with CoreLocation http://stackoverflow.com/questions/1348604/distance-between-two-coordinates-with-corelocation the receiver ™s coordinate to the coordinate of the specified location. Deprecated in iOS 3.2 method CLLocationDistance getDistanceFrom const CLLocation location Correct method CLLocationDistance distanceFromLocation const CLLocation location CLLocation share..
http://stackoverflow.com/questions/1391589/cllocation-speed gpsSpeed newLocation.speed alternative manual method if oldLocation nil CLLocationDistance distanceChange newLocation getDistanceFrom oldLocation NSTimeInterval sinceLastUpdate newLocation.timestamp timeIntervalSinceDate oldLocation.timestamp double calculatedSpeed..
Geospatial library for the iPhone http://stackoverflow.com/questions/1782639/geospatial-library-for-the-iphone iphone static libraries geospatial share improve this question For distance between points see CLLocation 's getDistanceFrom method. I'm not sure what you mean by geospatial boundaries but if you mean you have a rectangle defining a location you..
how to calculate two coordinates distance in objective c? http://stackoverflow.com/questions/1980898/how-to-calculate-two-coordinates-distance-in-objective-c
http://stackoverflow.com/questions/2176127/core-data-and-core-location Location I have a Core Data database with latitude and longitude properties. Is there a way to use Core Location's getDistanceFrom method to find the five nearest locations to a CLLocation obtained from the GPS Do I have to load all the objects using.. to a CLLocation obtained from the GPS Do I have to load all the objects using Core Data and parse through them using getDistanceFrom on each one or is there an easier way iphone objective c cocoa touch core data core location share improve this question..
CLLocationCoordinate2D to CLLocation http://stackoverflow.com/questions/2318547/cllocationcoordinate2d-to-cllocation
Corelocation incorrect distances http://stackoverflow.com/questions/3093919/corelocation-incorrect-distances computeDistanceFrom CLLocation oldL tO CLLocation newL NSLog @ oldd @ oldL NSLog @ new @ newL distance distance oldL getDistanceFrom newL NSLog @ distance f distance The console is displaying the following data....... accuracy 0 oldd null new 28.62114850..
Road distance,Actual distance between two places http://stackoverflow.com/questions/4144746/road-distance-actual-distance-between-two-places distance between two locations the user's specified locations before user starts the driving. I used many formulas and getDistanceFrom in CLLocation also but I am not able to get the perfect the driving distance between those locations. There is much difference..
How to call a function in applicationDidEnterBackground? http://stackoverflow.com/questions/7443131/how-to-call-a-function-in-applicationdidenterbackground obj objectForKey @ Lat doubleValue longitude obj objectForKey @ long doubleValue CGFloat distanceTemp annotation1 getDistanceFrom userLocation obj setObject NSNumber numberWithFloat distanceTemp forKey @ distance annotation1 release if placeName count..
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