Loading core/java/android/hardware/SensorEvent.java +17 −0 Original line number Diff line number Diff line Loading @@ -253,6 +253,23 @@ public class SensorEvent { * <p>Elements of the rotation vector are unitless. * The x,y, and z axis are defined in the same way as the acceleration * sensor.</p> * The reference coordinate system is defined as a direct orthonormal basis, * where: * </p> * * <ul> * <li>X is defined as the vector product <b>Y.Z</b> (It is tangential to * the ground at the device's current location and roughly points East).</li> * <li>Y is tangential to the ground at the device's current location and * points towards the magnetic North Pole.</li> * <li>Z points towards the sky and is perpendicular to the ground.</li> * </ul> * * <p> * <center><img src="../../../images/axis_globe.png" * alt="World coordinate-system diagram." border="0" /></center> * </p> * * <ul> * <p> * values[0]: x*sin(θ/2) Loading Loading
core/java/android/hardware/SensorEvent.java +17 −0 Original line number Diff line number Diff line Loading @@ -253,6 +253,23 @@ public class SensorEvent { * <p>Elements of the rotation vector are unitless. * The x,y, and z axis are defined in the same way as the acceleration * sensor.</p> * The reference coordinate system is defined as a direct orthonormal basis, * where: * </p> * * <ul> * <li>X is defined as the vector product <b>Y.Z</b> (It is tangential to * the ground at the device's current location and roughly points East).</li> * <li>Y is tangential to the ground at the device's current location and * points towards the magnetic North Pole.</li> * <li>Z points towards the sky and is perpendicular to the ground.</li> * </ul> * * <p> * <center><img src="../../../images/axis_globe.png" * alt="World coordinate-system diagram." border="0" /></center> * </p> * * <ul> * <p> * values[0]: x*sin(θ/2) Loading
