Sensors' coordinate system
Most of the sensors use the standard 3-axis coordinate system to represent the sensor values. This coordinate system is similar to the 3-axis coordinate system used to measure the length, breadth, and height of any 3D object in space, along with the difference of the frame of reference and the orientation of the 3-axis. As depicted in the following figure, the origin of this coordinate system lies in the center of the screen. When the device is in its default orientation (generally the portrait mode), the x axis is in the horizontal direction with the right-hand side having positive values and the left-hand side having negative values. Similarly, the y axis is in the vertical direction and the z axis is coming out of ...
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