magnetic declination android studio
public void setLocation(Location location)
{
GeomagneticField geomagneticField = new GeomagneticField(
(float) location.getLatitude(),
(float) location.getLongitude(),
(float) location.getAltitude(),
System.currentTimeMillis());
declination = (float) Math.toRadians(geomagneticField.getDeclination());
}
}magnetic declination android studio
private void updateSensorValues(SensorEvent event) {
if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
setAcclValues(event);
} else if (event.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD) {
setmagValues(event);
}
SensorManager.getRotationMatrix(rotation, null, grav, mag);
SensorManager.getOrientation(rotation, orientation);
double floatBearing = orientation[0];
floatBearing = Math.toDegrees(floatBearing);
if (magField != null)
floatBearing += magField.getDeclination();
if (floatBearing < 0)
floatBearing += 360;
setBearing(floatBearing);
setRotationInDegrees(floatBearing);
}Copyright © 2021 Codeinu
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