| Array Variable Position | Data Meaning |
| [i, 0] | Property mark: 1 is line, 2 is circle, 3 is arc |
| [i, 1] | The X axis coordinate value of start point |
| [i, 2] | The Y axis coordinate value of start point |
| [i, 3] | The Z axis coordinate value of start point |
| [i, 4] | The X axis coordinate value of end point |
| [i, 5] | The Y axis coordinate value of end point |
| [i, 6] | The Z axis coordinate value of end point |
| [i, 7] | The X axis coordinate value of the centre of a circle or an arc |
| [i, 8] | The Y axis coordinate value of the centre of a circle or an arc |
| [i, 9] | The Z axis coordinate value of the centre of a circle or an arc |
| [i, 10] | The radius value of a circle or an arc |
| [i, 11] | Arc start angle |
| [i, 12] | Arc end angle |
| [i, 13] | The identification number of subsequent data sorting process |
| [i, 14] | For subsequent operations |
| [i, 15] | For subsequent operations |