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1 | // File: Geom2d_Direction.cxx |
2 | // Created: Wed Mar 24 19:21:27 1993 |
3 | // Author: JCV |
4 | // <fid@sdsun2> |
5 | // Copyright: Matra Datavision 1993 |
6 | |
7 | //File Geom2d_Direction.cxx, JCV 25/06/91 |
8 | |
9 | #include <Geom2d_Direction.ixx> |
10 | #include <gp.hxx> |
11 | #include <Standard_ConstructionError.hxx> |
12 | |
13 | typedef Geom2d_Direction Direction; |
14 | typedef Handle(Geom2d_Direction) Handle(Direction); |
15 | typedef Handle(Geom2d_Vector) Handle(Vector); |
16 | typedef gp_Ax2d Ax2d; |
17 | typedef gp_Pnt2d Pnt2d; |
18 | typedef gp_Trsf2d Trsf2d; |
19 | |
20 | |
21 | |
22 | |
23 | |
24 | Handle(Geom2d_Geometry) Geom2d_Direction::Copy() const { |
25 | |
26 | Handle(Direction) D; |
27 | D = new Direction (gpVec2d); |
28 | return D; |
29 | } |
30 | |
31 | |
32 | |
33 | |
34 | |
35 | |
36 | Geom2d_Direction::Geom2d_Direction (const Standard_Real X, const Standard_Real Y) { |
37 | |
38 | Standard_Real D = Sqrt (X * X + Y * Y); |
39 | Standard_ConstructionError_Raise_if (D <= gp::Resolution(), ""); |
40 | gpVec2d = gp_Vec2d (X/D, Y/D); |
41 | } |
42 | |
43 | |
44 | Geom2d_Direction::Geom2d_Direction (const gp_Dir2d& V) { gpVec2d = V; } |
45 | |
46 | |
47 | void Geom2d_Direction::SetCoord (const Standard_Real X, const Standard_Real Y) { |
48 | |
49 | Standard_Real D = Sqrt (X * X + Y * Y); |
50 | Standard_ConstructionError_Raise_if (D <= gp::Resolution(), ""); |
51 | gpVec2d = gp_Vec2d (X/D, Y/D); |
52 | } |
53 | |
54 | |
55 | void Geom2d_Direction::SetDir2d (const gp_Dir2d& V) { gpVec2d = V; } |
56 | |
57 | |
58 | void Geom2d_Direction::SetX (const Standard_Real X) { |
59 | |
60 | Standard_Real D = Sqrt(X * X + gpVec2d.Y() * gpVec2d.Y()); |
61 | Standard_ConstructionError_Raise_if (D <= gp::Resolution(), ""); |
62 | gpVec2d = gp_Vec2d (X/D, gpVec2d.Y()/D); |
63 | } |
64 | |
65 | |
66 | void Geom2d_Direction::SetY (const Standard_Real Y) { |
67 | |
68 | Standard_Real D = Sqrt (gpVec2d.X() * gpVec2d.X() + Y * Y); |
69 | Standard_ConstructionError_Raise_if (D <= gp::Resolution(), ""); |
70 | gpVec2d = gp_Vec2d (gpVec2d.X()/D, Y/D); |
71 | } |
72 | |
73 | |
74 | gp_Dir2d Geom2d_Direction::Dir2d () const { return gpVec2d; } |
75 | |
76 | |
77 | Standard_Real Geom2d_Direction::Magnitude () const { return 1.0; } |
78 | |
79 | |
80 | Standard_Real Geom2d_Direction::SquareMagnitude () const { return 1.0; } |
81 | |
82 | |
83 | Standard_Real Geom2d_Direction::Crossed (const Handle(Vector)& Other) const { |
84 | |
85 | return gpVec2d.Crossed (Other->Vec2d()); |
86 | } |
87 | |
88 | |
89 | void Geom2d_Direction::Transform (const gp_Trsf2d& T) { |
90 | |
91 | gp_Dir2d dir = gpVec2d; |
92 | dir.Transform (T); |
93 | gpVec2d = dir; |
94 | } |