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    Open CASCADE Technology 7.8.2.dev
    
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#include <gp_XYZ.hxx>#include <Standard_ConstructionError.hxx>#include <Standard_DomainError.hxx>#include <Standard_OutOfRange.hxx>#include <gp_Trsf.hxx>Data Structures | |
| class | gp_Dir | 
| Describes a unit vector in 3D space. This unit vector is also called "Direction". See Also gce_MakeDir which provides functions for more complex unit vector constructions Geom_Direction which provides additional functions for constructing unit vectors and works, in particular, with the parametric equations of unit vectors.  More... | |