1 // Created on: 1993-03-10
3 // Copyright (c) 1993-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <Geom_Direction.hxx>
19 #include <Geom_Geometry.hxx>
20 #include <Geom_Vector.hxx>
23 #include <gp_Trsf.hxx>
24 #include <Standard_ConstructionError.hxx>
25 #include <Standard_Type.hxx>
27 IMPLEMENT_STANDARD_RTTIEXT(Geom_Direction,Geom_Vector)
29 typedef Geom_Direction Direction;
30 typedef Geom_Vector Vector;
38 //=======================================================================
41 //=======================================================================
43 Handle(Geom_Geometry) Geom_Direction::Copy() const {
45 Handle(Geom_Direction) D;
46 D = new Direction (gpVec);
50 //=======================================================================
51 //function : Geom_Direction
53 //=======================================================================
55 Geom_Direction::Geom_Direction (const Standard_Real X, const Standard_Real Y, const Standard_Real Z) {
57 Standard_Real D = sqrt (X * X + Y * Y + Z * Z);
58 Standard_ConstructionError_Raise_if (D <= gp::Resolution(),
59 "Geom_Direction() - input vector has zero length");
60 gpVec = gp_Vec (X/D, Y/D, Z/D);
63 Geom_Direction::Geom_Direction (const gp_Dir& V) { gpVec = V; }
65 void Geom_Direction::SetDir (const gp_Dir& V) { gpVec = V; }
67 gp_Dir Geom_Direction::Dir () const { return gpVec; }
69 Standard_Real Geom_Direction::Magnitude () const { return 1.0; }
71 Standard_Real Geom_Direction::SquareMagnitude () const { return 1.0; }
73 void Geom_Direction::SetCoord (const Standard_Real X, const Standard_Real Y, const Standard_Real Z) {
75 Standard_Real D = Sqrt (X * X + Y * Y + Z * Z);
76 Standard_ConstructionError_Raise_if (D <= gp::Resolution(),
77 "Geom_Direction::SetCoord() - input vector has zero length");
78 gpVec = gp_Vec(X/D, Y/D, Z/D);
82 void Geom_Direction::SetX (const Standard_Real X) {
84 Standard_Real D = Sqrt (X * X + gpVec.Y() * gpVec.Y() + gpVec.Z() * gpVec.Z());
85 Standard_ConstructionError_Raise_if (D <= gp::Resolution(),
86 "Geom_Direction::SetX() - input vector has zero length");
87 gpVec = gp_Vec (X/D, gpVec.Y()/D, gpVec.Z()/D);
91 void Geom_Direction::SetY (const Standard_Real Y) {
93 Standard_Real D = Sqrt (gpVec.X() * gpVec.X() + Y * Y + gpVec.Z() * gpVec.Z());
94 Standard_ConstructionError_Raise_if (D <= gp::Resolution(),
95 "Geom_Direction::SetY() - input vector has zero length");
96 gpVec = gp_Vec (gpVec.X()/D, Y/D, gpVec.Z()/D);
100 void Geom_Direction::SetZ (const Standard_Real Z) {
102 Standard_Real D = Sqrt (gpVec.X() * gpVec.X() + gpVec.Y() * gpVec.Y() + Z * Z);
103 Standard_ConstructionError_Raise_if (D <= gp::Resolution(),
104 "Geom_Direction::SetZ() - input vector has zero length");
105 gpVec = gp_Vec (gpVec.X()/D, gpVec.Y()/D, Z/D);
109 void Geom_Direction::Cross (const Handle(Geom_Vector)& Other) {
111 gp_Dir V (gpVec.Crossed(Other->Vec()));
116 void Geom_Direction::CrossCross (
117 const Handle(Geom_Vector)& V1, const Handle(Geom_Vector)& V2) {
119 gp_Dir V (gpVec.CrossCrossed (V1->Vec(), V2->Vec()));
124 Handle(Geom_Vector) Geom_Direction::Crossed (const Handle(Geom_Vector)& Other)
127 gp_Dir V (gpVec.Crossed (Other->Vec()));
128 return new Direction (V);
132 Handle(Geom_Vector) Geom_Direction::CrossCrossed (
133 const Handle(Geom_Vector)& V1, const Handle(Geom_Vector)& V2) const {
135 gp_Dir V (gpVec.CrossCrossed (V1->Vec(), V2->Vec()));
136 return new Direction (V);
140 void Geom_Direction::Transform (const gp_Trsf& T) {