User`s manual

XT20100820 HC8200 Flame Cutting Machine User’s Manual
4-3
Figure 4.2.1.1 Relative coordinates
As shown in the figure above, if to calculate based on relative coordinates, the coordinate values of the entire
Shape are:
1．Point A is the origin so the coordinate is X0 Y0;
2．Relative to point A, the coordinate of point B is X50 Y50;
3．Relative to point B, the coordinate of point C is X50 Y50；
4．Relative to point C, the coordinate of point D is Y-50；
5．When point D returns to point B, the coordinate is X-50.
4.2.2 Absolute coordinates
In the coordinate system, if the position of a coordinate point is calculated from the coordinate of the origin,
then this coordinate is called absolute coordinate, as shown in figure 2.1, the coordinate values of the entire Shape
are:
1． Point A is the origin so the coordinate is X0 Y0;
2． Referring to point A, the coordinate of point B is X50 Y50;
3． Referring to point A, the coordinate of point C is X100 Y100;
4． Referring to point A, the coordinate of point D is X100 Y50;
5． When point D returns to point B, the coordinate is X50 Y50.