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2014/10/16 ¤W¤È 08:23:40
android Programming Glossary: sensormanager.getorientationAndroid getOrientation() method returns bad results http://stackoverflow.com/questions/10192057/android-getorientation-method-returns-bad-results Rmat Imat mGravity mGeomagnetic if success SensorManager.getOrientation Rmat orientation mAngle0_azimuth float Math.toDegrees double..
Gyroscope Issues with Device Orientation http://stackoverflow.com/questions/14310347/gyroscope-issues-with-device-orientation rotationMatrix null accel magnet SensorManager.getOrientation rotationMatrix accMagOrientation This function is borrowed.. accMagOrientation float test new float 3 SensorManager.getOrientation initMatrix test gyroMatrix matrixMultiplication gyroMatrix initMatrix.. the gyroscope based orientation from the rotation matrix SensorManager.getOrientation gyroMatrix gyroOrientation private float getRotationMatrixFromOrientation..
calculate acceleration in reference to true north http://stackoverflow.com/questions/14963190/calculate-acceleration-in-reference-to-true-north orientation using SensorManager.getRotationMatrix and SensorManager.getOrientation . Then I get the declination by GeomagneticField.getDeclination.. and apply it on the azimuth of the orientation values from SensorManager.getOrientation . But how do I map the accelerometer values to this orientation..
Android Compass that can Compensate for Tilt and Pitch http://stackoverflow.com/questions/16317599/android-compass-that-can-compensate-for-tilt-and-pitch API calls to e.g. SensorManager.getRotationMatrix ... or SensorManager.getOrientation ... . The code could probably be improved e.g. by using a low..
How to use onSensorChanged sensor data in combination with OpenGL http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl magnetData final float anglesInRadians new float 3 SensorManager.getOrientation rotationMatrix anglesInRadians TODO check for landscape mode..
Different values between sensors TYPE_ACCELEROMETER/TYPE_MAGNETIC_FIELD and TYPE_ORIENTATION http://stackoverflow.com/questions/4174389/different-values-between-sensors-type-accelerometer-type-magnetic-field-and-type 3 SensorManager.getRotationMatrix R null aValues mValues SensorManager.getOrientation R orientationValues orientationValues 0 float Math.toDegrees.. to be aware of orientation and compensate accordingly. SensorManager.getOrientation takes the transformation matrix and computes azimuth pitch and..
How can I use SensorManager.getOrientation for tilt controls like “My Paper Plane”? http://stackoverflow.com/questions/4576493/how-can-i-use-sensormanager-getorientation-for-tilt-controls-like-my-paper-plan can I use SensorManager.getOrientation for tilt controls like &ldquo My Paper Plane&rdquo The Android.. m_rotationMatrix null m_lastMagFields m_lastAccels SensorManager.getOrientation m_rotationMatrix m_orientation 1 radian 57.2957795 degrees ..
Android Compass orientation on unreliable (Low pass filter) http://stackoverflow.com/questions/4699417/android-compass-orientation-on-unreliable-low-pass-filter null accelerometerValues magneticFieldValues SensorManager.getOrientation rotationMatrix values double degrees Math.toDegrees values 0..
Android phone orientation overview including compass http://stackoverflow.com/questions/4819626/android-phone-orientation-overview-including-compass a rotation matrix see below which is then passed into the SensorManager.getOrientation .. method. Does anyone know why the Android team deprecated.. system B Coordinate system used by the SensorEvent API. C SensorManager.getOrientation .. method figure So my understanding is that A represents the.. the coordinate system of B to C So when you call SensorManager.getOrientation .. method you use the values array with values that correspond..
android compass seems unreliable http://stackoverflow.com/questions/6256256/android-compass-seems-unreliable m_vfinR m_vfI m_vfgravity m_vfgeomag SensorManager.getOrientation m_vfinR m_vforientVals m_fCompBearing float Math.round Math.toDegrees..
http://stackoverflow.com/questions/8734190/android-compass-example is deprecated. The documentation says you should use SensorManager.getOrientation instead. So you should read from Sensor.TYPE_ACCELEROMETER as.. and then call SensorManager.getRotationMatrix and finally SensorManager.getOrientation which will return you the orientation of the phone. From there..
Android getOrientation() method returns bad results http://stackoverflow.com/questions/10192057/android-getorientation-method-returns-bad-results null mGeomagnetic null boolean success SensorManager.getRotationMatrix Rmat Imat mGravity mGeomagnetic if success SensorManager.getOrientation Rmat orientation mAngle0_azimuth float Math.toDegrees double orientation 0 orientation contains azimut pitch and roll ..
Gyroscope Issues with Device Orientation http://stackoverflow.com/questions/14310347/gyroscope-issues-with-device-orientation output public void calculateAccMagOrientation if SensorManager.getRotationMatrix rotationMatrix null accel magnet SensorManager.getOrientation rotationMatrix accMagOrientation This function is borrowed from the Android reference at http developer.android.com reference.. float initMatrix new float 9 initMatrix getRotationMatrixFromOrientation accMagOrientation float test new float 3 SensorManager.getOrientation initMatrix test gyroMatrix matrixMultiplication gyroMatrix initMatrix initState false copy the new gyro values into the.. gyroMatrix matrixMultiplication gyroMatrix deltaMatrix get the gyroscope based orientation from the rotation matrix SensorManager.getOrientation gyroMatrix gyroOrientation private float getRotationMatrixFromOrientation float o float xM new float 9 float yM new float..
calculate acceleration in reference to true north http://stackoverflow.com/questions/14963190/calculate-acceleration-in-reference-to-true-north do not know how I should do this. I would try to get the device orientation using SensorManager.getRotationMatrix and SensorManager.getOrientation . Then I get the declination by GeomagneticField.getDeclination and apply it on the azimuth of the orientation values from.. I get the declination by GeomagneticField.getDeclination and apply it on the azimuth of the orientation values from SensorManager.getOrientation . But how do I map the accelerometer values to this orientation Is it even possible android orientation accelerometer sensor..
Android Compass that can Compensate for Tilt and Pitch http://stackoverflow.com/questions/16317599/android-compass-that-can-compensate-for-tilt-and-pitch TYPE_GRAVITY and TYPE_MAGNETIC_FIELD sensor data without any API calls to e.g. SensorManager.getRotationMatrix ... or SensorManager.getOrientation ... . The code could probably be improved e.g. by using a low pass filter if the inputs turn out to be a bit erratic. Note..
How to use onSensorChanged sensor data in combination with OpenGL http://stackoverflow.com/questions/2881128/how-to-use-onsensorchanged-sensor-data-in-combination-with-opengl 6 SensorManager.getRotationMatrix rotationMatrix null accelGData magnetData final float anglesInRadians new float 3 SensorManager.getOrientation rotationMatrix anglesInRadians TODO check for landscape mode resultingAngles 0 anglesInRadians 0 rad2deg resultingAngles..
Different values between sensors TYPE_ACCELEROMETER/TYPE_MAGNETIC_FIELD and TYPE_ORIENTATION http://stackoverflow.com/questions/4174389/different-values-between-sensors-type-accelerometer-type-magnetic-field-and-type break float R new float 16 float orientationValues new float 3 SensorManager.getRotationMatrix R null aValues mValues SensorManager.getOrientation R orientationValues orientationValues 0 float Math.toDegrees orientationValues 0 orientationValues 1 float Math.toDegrees.. with the screen orientation. This means your application needs to be aware of orientation and compensate accordingly. SensorManager.getOrientation takes the transformation matrix and computes azimuth pitch and roll values. These are taken relative to a device in the..
How can I use SensorManager.getOrientation for tilt controls like “My Paper Plane”? http://stackoverflow.com/questions/4576493/how-can-i-use-sensormanager-getorientation-for-tilt-controls-like-my-paper-plan can I use SensorManager.getOrientation for tilt controls like &ldquo My Paper Plane&rdquo The Android game My Paper Plane is a great example of how to implement.. void computeOrientation if SensorManager.getRotationMatrix m_rotationMatrix null m_lastMagFields m_lastAccels SensorManager.getOrientation m_rotationMatrix m_orientation 1 radian 57.2957795 degrees 0 yaw rotation around z axis 1 pitch rotation around x axis..
Android Compass orientation on unreliable (Low pass filter) http://stackoverflow.com/questions/4699417/android-compass-orientation-on-unreliable-low-pass-filter device orientation with SensorManager.getRotationMatrix rotationMatrix null accelerometerValues magneticFieldValues SensorManager.getOrientation rotationMatrix values double degrees Math.toDegrees values 0 My problem is that the positioning of the ImageView is very..
Android phone orientation overview including compass http://stackoverflow.com/questions/4819626/android-phone-orientation-overview-including-compass into SensorManger.getRotationMatrix .. method to get a rotation matrix see below which is then passed into the SensorManager.getOrientation .. method. Does anyone know why the Android team deprecated Sensor.TYPE_ORIENTATION Is it an efficiency thing That is what.. .. method figure and represents the World's coordinate system B Coordinate system used by the SensorEvent API. C SensorManager.getOrientation .. method figure So my understanding is that A represents the world's coordinate system which I presume refers to the way.. two. So am I right in thinking that the rotation matrix transforms the coordinate system of B to C So when you call SensorManager.getOrientation .. method you use the values array with values that correspond to figure C. When the phone is pointed to the sky the rotation..
android compass seems unreliable http://stackoverflow.com/questions/6256256/android-compass-seems-unreliable break if m_vfgravity null m_vfgeomag null if SensorManager.getRotationMatrix m_vfinR m_vfI m_vfgravity m_vfgeomag SensorManager.getOrientation m_vfinR m_vforientVals m_fCompBearing float Math.round Math.toDegrees m_vforientVals 0 2 2 convert to 0 360 from 180 180..
http://stackoverflow.com/questions/8734190/android-compass-example share improve this question Sensor.TYPE_ORIENTATION is deprecated. The documentation says you should use SensorManager.getOrientation instead. So you should read from Sensor.TYPE_ACCELEROMETER as well as from Sensor.TYPE_MAGNETIC_FIELD and then call SensorManager.getRotationMatrix.. as well as from Sensor.TYPE_MAGNETIC_FIELD and then call SensorManager.getRotationMatrix and finally SensorManager.getOrientation which will return you the orientation of the phone. From there if you see this diagram it is trivial to get the phone's..
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