Select first/Point

select the first point attached to the model.

Select second/Point

select the second point attached to the model.

Select reference
marker

select the reference frame along which the two points distances have to be measured.

X

The X coordinate distance of the first point with regard to the second point.

Y

The Y coordinate distance of the first point with regard to the second point.

Z

The Z coordinate distance of the first point with regard to the second point.

Mag

The magnitude, which is automatically calculated from the X, Y, and Z coordinate distance values.