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2014/10/15 ¤U¤È 10:05:20
iphone Programming Glossary: compassiPhone 3.0 Compass: how to get a heading? http://stackoverflow.com/questions/1043740/iphone-3-0-compass-how-to-get-a-heading doing wrong here. Please help iphone cllocation share improve this question Here are the steps needed to use the compass. 1 check the availability if the headingAvailable property of the location manager is YES then you can use the compass... compass. 1 check the availability if the headingAvailable property of the location manager is YES then you can use the compass. 2 use the location manager method void startUpdatingHeading to begin receiving the information you are searching for 3..
How to detect iPhone movement in space using accelerometer? http://stackoverflow.com/questions/2674717/how-to-detect-iphone-movement-in-space-using-accelerometer ideas about that Do you think accelerometer data is enought to do it Or should I consider using other data such as the compass Thanks in advance iphone drawing accelerometer share improve this question OK I have found something that seems to..
CLLocation Category for Calculating Bearing w/ Haversine function http://stackoverflow.com/questions/3925942/cllocation-category-for-calculating-bearing-w-haversine-function CoreLocation.h @interface CLLocation Bearing double bearingToLocation CLLocation destinationLocation NSString compassOrdinalToLocation CLLocation nwEndPoint @end CLLocation Bearing.m #import CLLocation Bearing.h double DegreesToRadians double.. to degrees . atan2 returns the result in the range M_PI to M_PI 180 to 180 degrees so you might want to convert it to compass bearings using something like the following code if radiansBearing 0.0 radiansBearing 2 M_PI share improve this answer..
http://stackoverflow.com/questions/4130821/iphone-compass-gps-direction that use the GPS and Compass of the iPhone in order to point some sort of pointer to a specific location like the compass always point to the North . The location is fixed and I always need the pointer to point to that specific location no matter.. Compass2 is a UIImageView like below picture I want to rotate it around point in image ^ iphone gps location compass geolocation share improve this question There is a standard heading or bearing equation that you can use if you are.. you can convert to degrees by multiplying by 180 . The value is then between 180 and 180 degrees so to get a standard compass bearing add 360 to any negative answers. atan2 is a standard function related to arctan that does the right thing for the..
Compensating compass lag with the gyroscope on iPhone 4 http://stackoverflow.com/questions/4212988/compensating-compass-lag-with-the-gyroscope-on-iphone-4 compass lag with the gyroscope on iPhone 4 I've been experimenting with the compass and gyroscope on iPhone 4 and would like some.. compass lag with the gyroscope on iPhone 4 I've been experimenting with the compass and gyroscope on iPhone 4 and would like some help with an issue I'm having. I want to compensate for the slowness of the.. gyroscope on iPhone 4 and would like some help with an issue I'm having. I want to compensate for the slowness of the compass by using data from the gyroscope. Using CMMotionManager and its CMDeviceMotion object motionManager.deviceMotion I get the..
iOS: Movement Precision in 3D Space http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space
http://stackoverflow.com/questions/5894580/sensor-fusion-on-ios-devices examples but I need some help or at least guidance on how to combine the accelerometer gyroscope and compass inputs so that the result is similar to what David shows. Thanks iphone ios accelerometer compass geolocation gyroscope.. gyroscope and compass inputs so that the result is similar to what David shows. Thanks iphone ios accelerometer compass geolocation gyroscope share improve this question I have implemented sensor fusion for Shimmer 2 devices based on this..
iPhone 3.0 Compass: how to get a heading? http://stackoverflow.com/questions/1043740/iphone-3-0-compass-how-to-get-a-heading 3.0 Compass how to get a heading I'm relatively new to Objective C and really don't know much about it yet so I apologise for what..
Optimizing 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 iPhone 3GS getting Heading updates is a lot easier here's the code in the same module as above This is the Heading or Compass values void locationManager CLLocationManager manager didUpdateHeading CLHeading newHeading if newHeading.headingAccuracy..
Rotate MapView using Compass orientation http://stackoverflow.com/questions/1245461/rotate-mapview-using-compass-orientation MapView using Compass orientation Is it possible to have an embedded MKMapView rotate to always face the direction the iPhone is facing Basically..
http://stackoverflow.com/questions/4130821/iphone-compass-gps-direction Compass GPS Direction I'm trying to develop an application that use the GPS and Compass of the iPhone in order to point some sort.. Compass GPS Direction I'm trying to develop an application that use the GPS and Compass of the iPhone in order to point some sort of pointer to a specific location like the compass always point to the North ... is located. I have the Lat Long coordinates of this location but not sure how can I point to that location using the Compass and the GPS... just like http www.youtube.com watch v iC0Xn8hY80w this link 1 20' I write some code however it can't rotate..
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