Get the working calibration matrix for this sensor.
In: A 6 x 6 array of doubles.
Out: The 6 x 6 calibration matrix which is multiplied by the strain gauge voltage vector to calculate the force and torque values. This matrix is affected by any tool transformations you have created using ToolTransform, the current force units, which you can set using SetForceUnits, and the torque units, which you can set using SetTorqueUnits.
0: success
1: calibration not initialized. Call LoadCalibrationFile before calling this function
ToolTransform | SetForceUnits | SetTorqueUnits | LoadCalibrationFile