List of usage examples for android.hardware SensorManager AXIS_MINUS_X
int AXIS_MINUS_X
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From source file:Main.java
public static void sensorRotation2Matrix(float[] gravity, float[] geomagnetic, int rotation, float[] output) { switch (rotation) { case Surface.ROTATION_0: case Surface.ROTATION_180: /* Notice: not supported for ROTATION_180! */ SensorManager.getRotationMatrix(output, null, gravity, geomagnetic); break;/* w w w .j ava2s. c om*/ case Surface.ROTATION_90: SensorManager.getRotationMatrix(mTmp, null, gravity, geomagnetic); SensorManager.remapCoordinateSystem(mTmp, SensorManager.AXIS_Y, SensorManager.AXIS_MINUS_X, output); break; case Surface.ROTATION_270: SensorManager.getRotationMatrix(mTmp, null, gravity, geomagnetic); SensorManager.remapCoordinateSystem(mTmp, SensorManager.AXIS_MINUS_Y, SensorManager.AXIS_X, output); break; } Matrix.rotateM(output, 0, 90.0F, 1.0F, 0.0F, 0.0F); }
From source file:Main.java
public static void sensorRotationVector2Matrix(SensorEvent event, int rotation, float[] output) { float[] values = event.values; switch (rotation) { case Surface.ROTATION_0: case Surface.ROTATION_180: /* Notice: not supported for ROTATION_180! */ SensorManager.getRotationMatrixFromVector(output, values); break;/* w ww . ja v a 2 s. c o m*/ case Surface.ROTATION_90: SensorManager.getRotationMatrixFromVector(mTmp, values); SensorManager.remapCoordinateSystem(mTmp, SensorManager.AXIS_Y, SensorManager.AXIS_MINUS_X, output); break; case Surface.ROTATION_270: SensorManager.getRotationMatrixFromVector(mTmp, values); SensorManager.remapCoordinateSystem(mTmp, SensorManager.AXIS_MINUS_Y, SensorManager.AXIS_X, output); break; } Matrix.rotateM(output, 0, 90.0F, 1.0F, 0.0F, 0.0F); }
From source file:Main.java
public static void sensorRotationVector2Matrix(SensorEvent event, int rotation, float[] output) { if (!sIsTruncated) { try {/* w w w.ja va2s . c om*/ SensorManager.getRotationMatrixFromVector(sUIThreadTmp, event.values); } catch (Exception e) { // On some Samsung devices, SensorManager#getRotationMatrixFromVector throws an exception // if the rotation vector has more than 4 elements. Since only the four first elements are used, // we can truncate the vector without losing precision. Log.e(TAG, "maybe Samsung bug, will truncate vector"); sIsTruncated = true; } } if (sIsTruncated) { System.arraycopy(event.values, 0, sTruncatedVector, 0, 4); SensorManager.getRotationMatrixFromVector(sUIThreadTmp, sTruncatedVector); } float[] values = event.values; switch (rotation) { case Surface.ROTATION_0: case Surface.ROTATION_180: /* Notice: not supported for ROTATION_180! */ SensorManager.getRotationMatrixFromVector(output, values); break; case Surface.ROTATION_90: SensorManager.getRotationMatrixFromVector(sUIThreadTmp, values); SensorManager.remapCoordinateSystem(sUIThreadTmp, SensorManager.AXIS_Y, SensorManager.AXIS_MINUS_X, output); break; case Surface.ROTATION_270: SensorManager.getRotationMatrixFromVector(sUIThreadTmp, values); SensorManager.remapCoordinateSystem(sUIThreadTmp, SensorManager.AXIS_MINUS_Y, SensorManager.AXIS_X, output); break; } Matrix.rotateM(output, 0, 90.0F, 1.0F, 0.0F, 0.0F); }
From source file:com.metinkale.prayerapp.compass.Main.java
@Override public void onRotationUpdate(float[] newMatrix) { if (mMode == Mode.Map) { return;/*from w w w . j a v a 2 s.c o m*/ } // remap matrix values according to display rotation, as in // SensorManager documentation. switch (mDisplayRotation) { case Surface.ROTATION_0: case Surface.ROTATION_180: break; case Surface.ROTATION_90: SensorManager.remapCoordinateSystem(newMatrix, SensorManager.AXIS_Y, SensorManager.AXIS_MINUS_X, newMatrix); break; case Surface.ROTATION_270: SensorManager.remapCoordinateSystem(newMatrix, SensorManager.AXIS_MINUS_Y, SensorManager.AXIS_X, newMatrix); break; default: break; } mRotationMatrix.set(newMatrix); mOrientationCalculator.getOrientation(mRotationMatrix, mDisplayRotation, mDerivedDeviceOrientation); updateFrag((mDerivedDeviceOrientation[1] > -55f) ? Mode.ThreeDim : Mode.TwoDim); mList.onUpdateSensors(mDerivedDeviceOrientation); }
From source file:com.tritop.androsense2.fragments.GpsFragment.java
@Override public void onSensorChanged(SensorEvent event) { if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) { mAccel = event.values;// w w w. j a v a 2 s . co m } if (event.sensor.getType() == Sensor.TYPE_MAGNETIC_FIELD) { mMag = event.values; } if ((mAccel != null) && (mMag != null)) { float R[] = new float[9]; float I[] = new float[9]; float Rot[] = new float[9]; if (SensorManager.getRotationMatrix(R, I, mAccel, mMag)) { float orientation[] = new float[3]; int axisX = 0, axisY = 0; switch (display.getRotation()) { case Surface.ROTATION_0: axisX = SensorManager.AXIS_X; axisY = SensorManager.AXIS_Y; break; case Surface.ROTATION_90: axisX = SensorManager.AXIS_Y; axisY = SensorManager.AXIS_MINUS_X; break; case Surface.ROTATION_180: axisX = SensorManager.AXIS_MINUS_X; axisY = SensorManager.AXIS_MINUS_Y; break; case Surface.ROTATION_270: axisX = SensorManager.AXIS_MINUS_Y; axisY = SensorManager.AXIS_X; break; default: break; } SensorManager.remapCoordinateSystem(R, axisX, axisY, Rot); SensorManager.getOrientation(Rot, orientation); aRotation = orientation[0]; aRotation = (int) Math.toDegrees(aRotation); satView.setAzimutRotation(-aRotation); satView.invalidate(); } } }
From source file:com.shadowmaps.example.GpsTestActivity.java
@TargetApi(Build.VERSION_CODES.GINGERBREAD) @Override//from ww w .j a v a 2 s.com public void onSensorChanged(SensorEvent event) { double orientation = Double.NaN; double tilt = Double.NaN; switch (event.sensor.getType()) { case Sensor.TYPE_ROTATION_VECTOR: // Modern rotation vector sensors if (!mTruncateVector) { try { SensorManager.getRotationMatrixFromVector(mRotationMatrix, event.values); } catch (IllegalArgumentException e) { // On some Samsung devices, an exception is thrown if this vector > 4 (see #39) // Truncate the array, since we can deal with only the first four values Log.e(TAG, "Samsung device error? Will truncate vectors - " + e); mTruncateVector = true; // Do the truncation here the first time the exception occurs getRotationMatrixFromTruncatedVector(event.values); } } else { // Truncate the array to avoid the exception on some devices (see #39) getRotationMatrixFromTruncatedVector(event.values); } int rot = getWindowManager().getDefaultDisplay().getRotation(); switch (rot) { case Surface.ROTATION_0: // No orientation change, use default coordinate system SensorManager.getOrientation(mRotationMatrix, mValues); // Log.d(TAG, "Rotation-0"); break; case Surface.ROTATION_90: // Log.d(TAG, "Rotation-90"); SensorManager.remapCoordinateSystem(mRotationMatrix, SensorManager.AXIS_Y, SensorManager.AXIS_MINUS_X, mRemappedMatrix); SensorManager.getOrientation(mRemappedMatrix, mValues); break; case Surface.ROTATION_180: // Log.d(TAG, "Rotation-180"); SensorManager.remapCoordinateSystem(mRotationMatrix, SensorManager.AXIS_MINUS_X, SensorManager.AXIS_MINUS_Y, mRemappedMatrix); SensorManager.getOrientation(mRemappedMatrix, mValues); break; case Surface.ROTATION_270: // Log.d(TAG, "Rotation-270"); SensorManager.remapCoordinateSystem(mRotationMatrix, SensorManager.AXIS_MINUS_Y, SensorManager.AXIS_X, mRemappedMatrix); SensorManager.getOrientation(mRemappedMatrix, mValues); break; default: // This shouldn't happen - assume default orientation SensorManager.getOrientation(mRotationMatrix, mValues); // Log.d(TAG, "Rotation-Unknown"); break; } orientation = Math.toDegrees(mValues[0]); // azimuth tilt = Math.toDegrees(mValues[1]); break; case Sensor.TYPE_ORIENTATION: // Legacy orientation sensors orientation = event.values[0]; break; default: // A sensor we're not using, so return return; } // Correct for true north, if preference is set if (mFaceTrueNorth && mGeomagneticField != null) { orientation += mGeomagneticField.getDeclination(); } for (GpsTestListener listener : mGpsTestListeners) { listener.onOrientationChanged(orientation, tilt); } }
From source file:com.android.gpstest.GpsTestActivity.java
@TargetApi(Build.VERSION_CODES.GINGERBREAD) @Override/*from w w w . j a v a 2 s .co m*/ public void onSensorChanged(SensorEvent event) { double orientation = Double.NaN; double tilt = Double.NaN; switch (event.sensor.getType()) { case Sensor.TYPE_ROTATION_VECTOR: // Modern rotation vector sensors if (!mTruncateVector) { try { SensorManager.getRotationMatrixFromVector(mRotationMatrix, event.values); } catch (IllegalArgumentException e) { // On some Samsung devices, an exception is thrown if this vector > 4 (see #39) // Truncate the array, since we can deal with only the first four values Log.e(TAG, "Samsung device error? Will truncate vectors - " + e); mTruncateVector = true; // Do the truncation here the first time the exception occurs getRotationMatrixFromTruncatedVector(event.values); } } else { // Truncate the array to avoid the exception on some devices (see #39) getRotationMatrixFromTruncatedVector(event.values); } int rot = getWindowManager().getDefaultDisplay().getRotation(); switch (rot) { case Surface.ROTATION_0: // No orientation change, use default coordinate system SensorManager.getOrientation(mRotationMatrix, mValues); // Log.d(TAG, "Rotation-0"); break; case Surface.ROTATION_90: // Log.d(TAG, "Rotation-90"); SensorManager.remapCoordinateSystem(mRotationMatrix, SensorManager.AXIS_Y, SensorManager.AXIS_MINUS_X, mRemappedMatrix); SensorManager.getOrientation(mRemappedMatrix, mValues); break; case Surface.ROTATION_180: // Log.d(TAG, "Rotation-180"); SensorManager.remapCoordinateSystem(mRotationMatrix, SensorManager.AXIS_MINUS_X, SensorManager.AXIS_MINUS_Y, mRemappedMatrix); SensorManager.getOrientation(mRemappedMatrix, mValues); break; case Surface.ROTATION_270: // Log.d(TAG, "Rotation-270"); SensorManager.remapCoordinateSystem(mRotationMatrix, SensorManager.AXIS_MINUS_Y, SensorManager.AXIS_X, mRemappedMatrix); SensorManager.getOrientation(mRemappedMatrix, mValues); break; default: // This shouldn't happen - assume default orientation SensorManager.getOrientation(mRotationMatrix, mValues); // Log.d(TAG, "Rotation-Unknown"); break; } orientation = Math.toDegrees(mValues[0]); // azimuth tilt = Math.toDegrees(mValues[1]); break; case Sensor.TYPE_ORIENTATION: // Legacy orientation sensors orientation = event.values[0]; break; default: // A sensor we're not using, so return return; } // Correct for true north, if preference is set if (mFaceTrueNorth && mGeomagneticField != null) { orientation += mGeomagneticField.getDeclination(); // Make sure value is between 0-360 orientation = MathUtils.mod((float) orientation, 360.0f); } for (GpsTestListener listener : mGpsTestListeners) { listener.onOrientationChanged(orientation, tilt); } }
From source file:uk.org.rivernile.edinburghbustracker.android.fragments.general.BusStopDetailsFragment.java
/** * Update the direction needle so that it is pointing towards the bus stop, * based on the device location and the direction it is facing. */// w w w . j a va2s.co m private void updateDirectionNeedle() { // We need values for location, the accelerometer and magnetometer to // continue. if (lastLocation == null || accelerometerValues == null || magnetometerValues == null) { // Make sure the needle isn't showing. txtDistance.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null); recycleNeedleBitmapIfNotNull(null); return; } // Calculating the rotation matrix may fail, for example, if the device // is in freefall. In that case we cannot continue as the values will // be unreliable. if (!SensorManager.getRotationMatrix(rotationMatrix, null, accelerometerValues, magnetometerValues)) { return; } // The screen rotation was obtained earlier. switch (screenRotation) { // There's lots of information about this elsewhere, but briefly; // The values from the sensors are in the device's coordinate system // which may be correct if the device is in its natural orientation, // but it needs to be remapped if the device is rotated. case Surface.ROTATION_0: SensorManager.remapCoordinateSystem(rotationMatrix, SensorManager.AXIS_X, SensorManager.AXIS_Z, rotationMatrix); break; case Surface.ROTATION_90: SensorManager.remapCoordinateSystem(rotationMatrix, SensorManager.AXIS_Z, SensorManager.AXIS_MINUS_X, rotationMatrix); break; case Surface.ROTATION_180: SensorManager.remapCoordinateSystem(rotationMatrix, SensorManager.AXIS_MINUS_X, SensorManager.AXIS_MINUS_Z, rotationMatrix); break; case Surface.ROTATION_270: SensorManager.remapCoordinateSystem(rotationMatrix, SensorManager.AXIS_MINUS_Z, SensorManager.AXIS_X, rotationMatrix); break; } // Get the X, Y and Z orientations, which are in radians. Covert this // in to degrees East of North. SensorManager.getOrientation(rotationMatrix, headings); double heading = Math.toDegrees(headings[0]); // If there's a GeomagneticField value, then adjust the heading to take // this in to account. if (geoField != null) { heading -= geoField.getDeclination(); } // The orientation is in the range of -180 to +180. Convert this in to // a range of 0 to 360. final float bearingTo = distance[1] < 0 ? distance[1] + 360 : distance[1]; // This is the heading to the bus stop. heading = bearingTo - heading; // The above calculation may come out as a negative number again. Put // this back in to the range of 0 to 360. if (heading < 0) { heading += 360; } // This 'if' statement is required to prevent a crash during device // rotation. It ensured that the Fragment is still part of the Activity. if (isAdded()) { // Get the arrow bitmap from the resources. final Bitmap needleIn = BitmapFactory.decodeResource(getResources(), R.drawable.heading_arrow); // Get an identity matrix and rotate it by the required amount. final Matrix m = new Matrix(); m.setRotate((float) heading % 360, (float) needleIn.getWidth() / 2, (float) needleIn.getHeight() / 2); // Apply the rotation matrix to the Bitmap, to create a new Bitmap. final Bitmap needleOut = Bitmap.createBitmap(needleIn, 0, 0, needleIn.getWidth(), needleIn.getHeight(), m, true); // Recycle the needle read in if it's not the same as the rotated // needle. if (needleIn != needleOut) { needleIn.recycle(); } // This Bitmap needs to be converted to a Drawable type. final BitmapDrawable drawable = new BitmapDrawable(getResources(), needleOut); // Set the new needle to be on the right hand side of the TextView. txtDistance.setCompoundDrawablesWithIntrinsicBounds(null, null, drawable, null); recycleNeedleBitmapIfNotNull(needleOut); } else { // If the Fragment is not added to the Activity, then make sure // there's no needle. txtDistance.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null); recycleNeedleBitmapIfNotNull(null); } }