Loading core/java/android/hardware/SensorEvent.java +3 −3 Original line number Original line Diff line number Diff line Loading @@ -177,12 +177,12 @@ public class SensorEvent { * <h4>{@link android.hardware.Sensor#TYPE_ROTATION_VECTOR Sensor.TYPE_ROTATION_VECTOR}:</h4> * <h4>{@link android.hardware.Sensor#TYPE_ROTATION_VECTOR Sensor.TYPE_ROTATION_VECTOR}:</h4> * The rotation vector represents the orientation of the device as a combination of an angle * The rotation vector represents the orientation of the device as a combination of an angle * and an axis, in which the device has rotated through an angle theta around an axis * and an axis, in which the device has rotated through an angle theta around an axis * <x, y, z>. The three elements of the rotation vector are * <x, y, z>. The three elements of the rotation vector are * <x*sin(theta/2), y*sin(theta/2), z*sin(theta/2)>, such that the magnitude of the rotation * <x*sin(theta/2), y*sin(theta/2), z*sin(theta/2)>, such that the magnitude of the rotation * vector is equal to sin(theta/2), and the direction of the rotation vector is equal to the * vector is equal to sin(theta/2), and the direction of the rotation vector is equal to the * direction of the axis of rotation. The three elements of the rotation vector are equal to * direction of the axis of rotation. The three elements of the rotation vector are equal to * the last three components of a unit quaternion * the last three components of a unit quaternion * <cos(theta/2), x*sin(theta/2), y*sin(theta/2), z*sin(theta/2)>. Elements of the rotation * <cos(theta/2), x*sin(theta/2), y*sin(theta/2), z*sin(theta/2)>. Elements of the rotation * vector are unitless. The x,y, and z axis are defined in the same way as the acceleration * vector are unitless. The x,y, and z axis are defined in the same way as the acceleration * sensor. * sensor. * * Loading Loading
core/java/android/hardware/SensorEvent.java +3 −3 Original line number Original line Diff line number Diff line Loading @@ -177,12 +177,12 @@ public class SensorEvent { * <h4>{@link android.hardware.Sensor#TYPE_ROTATION_VECTOR Sensor.TYPE_ROTATION_VECTOR}:</h4> * <h4>{@link android.hardware.Sensor#TYPE_ROTATION_VECTOR Sensor.TYPE_ROTATION_VECTOR}:</h4> * The rotation vector represents the orientation of the device as a combination of an angle * The rotation vector represents the orientation of the device as a combination of an angle * and an axis, in which the device has rotated through an angle theta around an axis * and an axis, in which the device has rotated through an angle theta around an axis * <x, y, z>. The three elements of the rotation vector are * <x, y, z>. The three elements of the rotation vector are * <x*sin(theta/2), y*sin(theta/2), z*sin(theta/2)>, such that the magnitude of the rotation * <x*sin(theta/2), y*sin(theta/2), z*sin(theta/2)>, such that the magnitude of the rotation * vector is equal to sin(theta/2), and the direction of the rotation vector is equal to the * vector is equal to sin(theta/2), and the direction of the rotation vector is equal to the * direction of the axis of rotation. The three elements of the rotation vector are equal to * direction of the axis of rotation. The three elements of the rotation vector are equal to * the last three components of a unit quaternion * the last three components of a unit quaternion * <cos(theta/2), x*sin(theta/2), y*sin(theta/2), z*sin(theta/2)>. Elements of the rotation * <cos(theta/2), x*sin(theta/2), y*sin(theta/2), z*sin(theta/2)>. Elements of the rotation * vector are unitless. The x,y, and z axis are defined in the same way as the acceleration * vector are unitless. The x,y, and z axis are defined in the same way as the acceleration * sensor. * sensor. * * Loading
