Defined in File Ifc4x2.h
IfcAxis1Placement: public Ifc4x2::IfcPlacement¶
Definition from ISO/CD 10303-42:1992: The direction and location in three dimensional space of a single axis. An axis1_placement is defined in terms of a locating point (inherited from placement supertype) and an axis direction: this is either the direction of axis or defaults to (0.0,0.0,1.0). The actual direction for the axis placement is given by the derived attribute z (Z).
NOTE Corresponding ISO 10303 name: axis1_placement, please refer to ISO/IS 10303-42:1994, p. 28 for the final definition of the formal standard.
HISTORY New entity in IFC Release 1.5
Figure 274 illustrates the definition of the IfcAxis1Placement within the three-dimensional coordinate system.
Figure 274 — Axis1 placement