Sensor - stingray.Sensor namespace reference - Stingray Lua API Reference
Description
Interface to communicate with devices sensors.
Related help topics 
Accelerometer
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accelerometer_acceleration ( ) : stingray.Vector3 Returns acceleration from the devices in raw platform defined resolution.
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| This function does not accept any parameters. |
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Returns the accelerometers acceleration. |
Acceleration multiplied by acceleration resolution is G (9.81 m s^-2) in 3-axis.
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accelerometer_available ( ) : booleanIndicates whether or not the devices has a available accelerometer.
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| This function does not accept any parameters. |
boolean |
Returns true if the devices has a available accelerometer, or false otherwise. |
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accelerometer_frequency ( ) : numberReturns the devices current accelerometer update frequency, if frequency is 0hz the accelerometer is not measuring any acceleration.
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| This function does not accept any parameters. |
number |
Returns the accelerometer update frequency in hz. |
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accelerometer_resolution ( ) : stingray.Vector3Returns acceleration resolution to be multiplied with acceleration.
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| This function does not accept any parameters. |
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Returns the acceleration resolution. |
Acceleration multiplied by accelerometer_acceleration_resolution is G (9.81 m s^-2) in 3-axis.
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set_accelerometer_frequency ( frequency )Sets the update frequency for the accelerometer, if 0hz is given as frequency the accelerometer is turned off.
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frequency : | number | Update frequency for accelerometer in hz. |
| This function does not return any values. |
Gravity Sensor
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gravity_sensor_available ( ) : booleanIndicates whether or not the devices has a available gravity sensor.
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| This function does not accept any parameters. |
boolean |
Returns true if the devices has a available gravity sensor, or false otherwise. |
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gravity_sensor_frequency ( ) : numberReturns the devices current gravity sensor update frequency, if frequency is 0hz the gravity sensor it is not measuring any gravity.
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| This function does not accept any parameters. |
number |
Returns the gravity sensor update frequency in hz. |
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gravity_sensor_gravity ( ) : stingray.Vector3Returns gravity from the devices in raw platform defined resolution.
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| This function does not accept any parameters. |
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Returns the gravity sensor gravity. |
Gravity multiplied by acceleration resolution is G (9.81 m s^-2) in 3-axis.
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gravity_sensor_resolution ( ) : stingray.Vector3Returns gravity resolution to be multiplied with gravity.
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| This function does not accept any parameters. |
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Returns the gravity resolution. |
Gravity multiplied by acceleration resolution is G (9.81 m s^-2) in 3-axis.
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set_gravity_sensor_frequency ( frequency )Sets the update frequency for the gravity sensor, if 0hz is given as frequency the gravity sensor is turned off.
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frequency : | number | Update frequency for gravity sensor in hz. |
| This function does not return any values. |
Gyroscope
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gyroscope_available ( ) : booleanIndicates whether or not the devices has a available gyroscope.
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| This function does not accept any parameters. |
boolean |
Returns true if the devices has a available gyroscope, or false otherwise. |
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gyroscope_frequency ( ) : numberReturns the devices current gyroscope update frequency, if frequency is 0hz the gyroscope is not measuring any acceleration.
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| This function does not accept any parameters. |
number |
Returns the gyroscope update frequency in hz. |
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gyroscope_rotation_rate ( ) : stingray.Vector3Returns rotation rate from in degrees per second in 3-axis.
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| This function does not accept any parameters. |
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Returns the gyroscopes rotation rate. |
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set_gyroscope_frequency ( frequency )Sets the update frequency for the gyroscope, if 0hz is given as frequency the gyroscope is turned off.
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frequency : | number | Update frequency for gyroscope in hz. |
| This function does not return any values. |
Magnetometer
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magnetometer_available ( ) : booleanIndicates whether or not the devices has a available magnetometer.
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| This function does not accept any parameters. |
boolean |
Returns true if the devices has a available magnetometer, or false otherwise. |
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magnetometer_calibrated_magnetic_field ( ) : stingray.Vector3Returns magnetic field from the devices as calibrated platform defined resolution, or the same value as magnetometer_magnetic_field if calibrations was not available.
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| This function does not accept any parameters. |
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Returns the calibrated magnetometer magnetic field. |
Calibrated magnetic field multiplied by magnetic field resolution is magnetic field in microteslas in 3-axis.
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magnetometer_calibration_available ( ) : booleanIndicates whether or not the devices can calibrate magnetometer.
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| This function does not accept any parameters. |
boolean |
Returns true if the devices can calibrate magnetometer, or false otherwise. |
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magnetometer_frequency ( ) : numberReturns the devices current magnetometer update frequency, if frequency is 0hz the magnetometer is not measuring any magnetic field.
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| This function does not accept any parameters. |
number |
Returns the magnetometer update frequency in hz. |
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magnetometer_magnetic_field ( ) : stingray.Vector3Returns magnetic field from the devices in raw platform defined resolution.
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| This function does not accept any parameters. |
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Returns the magnetometer magnetic field. |
Magnetic field multiplied by magnetic field resolution is magnetic field in microteslas in 3-axis.
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magnetometer_resolution ( ) : stingray.Vector3Returns magnetic field resolution to be multiplied with magnetic field.
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| This function does not accept any parameters. |
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Returns the magnetic field resolution. |
Magnetic field multiplied by magnetic field resolution is magnetic field in microteslas in 3-axis.
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set_magnetometer_frequency ( frequency )Sets the update frequency for the magnetometer, if 0hz is given as frequency the magnetometer is turned off.
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frequency : | number | Update frequency for magnetometer in hz. |
| This function does not return any values. |
Orientation Sensor
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orientation_sensor_available ( ) : booleanIndicates whether or not the devices has a available orientation sensor.
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| This function does not accept any parameters. |
boolean |
Returns true if the devices has a available orientation sensor, or false otherwise. |
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orientation_sensor_frequency ( ) : numberReturns the devices current orientation sensor update frequency, if frequency is 0hz the orientation sensor it is not measuring any orientation.
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| This function does not accept any parameters. |
number |
Returns the orientation sensor update frequency in hz. |
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orientation_sensor_rotation ( ) : stingray.QuaternionReturns devices orientation rotation.
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| This function does not accept any parameters. |
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Returns the orientation sensor rotation. |
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performance_hint ( ) : stringReturns the current performance hint as "fast" or "correct", default is "fast".
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| This function does not accept any parameters. |
string |
Returns the current performance hint. |
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set_orientation_sensor_frequency ( frequency )Sets the update frequency for the orientation sensor, if 0hz is given as frequency the orientation sensor is turned off.
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frequency : | number | Update frequency for orientation sensor in hz. |
| This function does not return any values. |
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set_performance_hint ( hint )Sets the performance hint flag for sensor data processing.
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hint : | string | Performance hint can be "fast" or "correct". |
| This function does not return any values. |
Sensor output can be computed as fast as possible or as correct on some platform, seting this hint allows the implementation to prioritize correctness or speed.