Georefchecker - LoGeoRef 40 - true north NaN

[ChristianClemen]

The z-coordiate of should not be logged if NaN, since true north is only defined in horizontal x/y-plane.

Also the the angle (unit decimaldegree) should be displyed for information.

e.g.:

---

LoGeoRef40 is fulfilled ✓

IfcProject (#130, 1leTnFtJHER8F3qnCU9wr3) references IfcGeometricRepresentationContext (#121) of type: Model
Parameters of the World Coordinate System:
Coordinates of the location are:
X: 790373,305
Y: 6334211,126
Z: 620,447

True North is: 0,190808995376545 / 0,981627183447664 / NaN