blob: 42568b74a7f835fb393fc941463b083683e39e86 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _gce_MakeParab_HeaderFile
#define _gce_MakeParab_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
#ifndef _gp_Parab_HeaderFile
#include <gp_Parab.hxx>
#endif
#ifndef _gce_Root_HeaderFile
#include <gce_Root.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
class StdFail_NotDone;
class gp_Ax2;
class gp_Ax1;
class gp_Pnt;
class gp_Parab;
//!This class implements the following algorithms used to <br>
//! create Parab from gp. <br>
//! Defines the parabola in the parameterization range : <br>
//! ]-infinite, +infinite[ <br>
//! The vertex of the parabola is the "Location" point of the <br>
//! local coordinate system (axis placement) of the parabola. <br>
//! <br>
//! The "XDirection" and the "YDirection" of this system define <br>
//! the plane of the parabola. <br>
//! <br>
//! The "XAxis" of the parabola ("Location", "XDirection") is <br>
//! the axis of symmetry of the parabola. The Xaxis is oriented <br>
//! from the vertex of the parabola to the Focus of the parabola. <br>
//! <br>
//! The "YAxis" of the parabola ("Location", "YDirection") is <br>
//! parallel to the directrix of the parabola. <br>
//! <br>
//! The equation of the parabola in the local coordinates system is <br>
//! Y**2 = (2*P) * X <br>
//! P is the distance between the focus and the directrix of the <br>
//! parabola (called Parameter). <br>
//! The focal length F = P/2 is the distance between the vertex <br>
//! and the focus of the parabola. <br>
//! <br>
//! * Creates a parabola with its local coordinate system "A2" <br>
//! and it's focal length "Focal". <br>
//! * Create a parabola with its directrix and its focus point. <br>
class gce_MakeParab : public gce_Root {
public:
void* operator new(size_t,void* anAddress)
{
return anAddress;
}
void* operator new(size_t size)
{
return Standard::Allocate(size);
}
void operator delete(void *anAddress)
{
if (anAddress) Standard::Free((Standard_Address&)anAddress);
}
//!--- Purpose ; <br>
//! Creates a parabola with its local coordinate system "A2" <br>
//! and it's focal length "Focal". <br>
//! The XDirection of A2 defines the axis of symmetry of the <br>
//! parabola. The YDirection of A2 is parallel to the directrix <br>
//! of the parabola. The Location point of A2 is the vertex of <br>
//! the parabola <br>
//! The status is "NullFocusLength" if Focal < 0.0 <br>
Standard_EXPORT gce_MakeParab(const gp_Ax2& A2,const Standard_Real Focal);
//! D is the directrix of the parabola and F the focus point. <br>
//! The symmetry axis (XAxis) of the parabola is normal to the <br>
//! directrix and pass through the focus point F, but its <br>
//! location point is the vertex of the parabola. <br>
//! The YAxis of the parabola is parallel to D and its location <br>
//! point is the vertex of the parabola. The normal to the plane <br>
//! of the parabola is the cross product between the XAxis and the <br>
//! YAxis. <br>
Standard_EXPORT gce_MakeParab(const gp_Ax1& D,const gp_Pnt& F);
//! Returns the constructed parabola. <br>
//! Exceptions StdFail_NotDone if no parabola is constructed. <br>
Standard_EXPORT const gp_Parab& Value() const;
Standard_EXPORT const gp_Parab& Operator() const;
Standard_EXPORT operator gp_Parab() const;
protected:
private:
gp_Parab TheParab;
};
// other Inline functions and methods (like "C++: function call" methods)
#endif
|
