CMMagnetometerData
E494403
CMMagnetometerData is an iOS Core Motion framework class that encapsulates raw magnetometer measurements and related metadata from a device’s motion sensors.
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
Class
ⓘ
Core Motion class ⓘ |
| accessPattern | read-only properties ⓘ |
| availability | requires hardware with magnetometer sensor ⓘ |
| category |
motion sensing
ⓘ
sensor data ⓘ |
| conformsTo | NSCopying NERFINISHED ⓘ |
| dataSource | device magnetometer ⓘ |
| definedInFramework | CoreMotion.framework NERFINISHED ⓘ |
| documentationURL | https://developer.apple.com/documentation/coremotion/cmmagnetometerdata ⓘ |
| hasComponent |
magneticField.x
ⓘ
magneticField.y ⓘ magneticField.z ⓘ |
| hasProperty |
accuracy
ⓘ
magneticField ⓘ sensorLocation ⓘ timestamp ⓘ |
| hasType | CMMagneticField for magneticField property ⓘ |
| inheritsFrom | NSObject NERFINISHED ⓘ |
| introducedBy | Apple Core Motion API NERFINISHED ⓘ |
| isImmutable | true ⓘ |
| language |
Objective-C
NERFINISHED
ⓘ
Swift NERFINISHED ⓘ |
| metadataIncludes |
measurement accuracy
ⓘ
sensor location information ⓘ timestamp ⓘ |
| namespace | Core Motion NERFINISHED ⓘ |
| platform |
iOS
ⓘ
iPadOS ⓘ tvOS NERFINISHED ⓘ watchOS NERFINISHED ⓘ |
| provides |
magnetic field data
ⓘ
raw magnetometer measurements ⓘ |
| purpose |
access raw magnetic field values from device sensors
ⓘ
support sensor fusion and motion processing ⓘ |
| threading | typically delivered on NSOperationQueue callbacks ⓘ |
| unitOfMeasure | microteslas for magneticField components ⓘ |
| usedWith |
CMMotionManager
NERFINISHED
ⓘ
magnetometerData property of CMMotionManager ⓘ startMagnetometerUpdates ⓘ startMagnetometerUpdatesToQueue:withHandler: ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.