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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// 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 _Extrema_ExtPElC2d_HeaderFile
#define _Extrema_ExtPElC2d_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Real.hxx>
#include <Extrema_POnCurv2d.hxx>
class StdFail_NotDone;
class Standard_OutOfRange;
class gp_Pnt2d;
class gp_Lin2d;
class gp_Circ2d;
class gp_Elips2d;
class gp_Hypr2d;
class gp_Parab2d;
class Extrema_POnCurv2d;
//! It calculates all the distances between a point
//! and an elementary curve.
//! These distances can be minimum or maximum.
class Extrema_ExtPElC2d
{
public:
DEFINE_STANDARD_ALLOC
Standard_EXPORT Extrema_ExtPElC2d();
//! Calculates the extremum distance between the
//! point P and the segment [Uinf,Usup] of the line L.
Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Lin2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Lin2d& L, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup) ;
//! Calculates the 2 extremum distances between the
//! point P and the segment [Uinf,Usup] of the circle C.
//! Tol is used to determine
//! if P is on the axis of the circle or
//! if an extremum is on an endpoint of the segment.
//! If P is on the axis of the circle,
//! there are infinite solution then IsDone(me)=False.
//! The conditions on the Uinf and Usup are:
//! 0. <= Uinf <= 2.*PI and Usup > Uinf.
//! If Usup > Uinf + 2.*PI, then only the solutions in
//! the range [Uinf,Uinf+2.*PI[ are computed.
Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Circ2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Circ2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup) ;
//! Calculates the 4 extremum distances between the
//! point P and the segment [Uinf,Usup] of the elipse C.
//! Tol is used to determine
//! if the point is on the axis of the elipse and
//! if the major radius is equal to the minor radius or
//! if an extremum is on an endpoint of the segment.
//! If P is on the axis of the elipse,
//! there are infinite solution then IsDone(me)=False.
//! The conditions on the Uinf and Usup are:
//! 0. <= Uinf <= 2.*PI and Usup > Uinf.
//! If Usup > Uinf + 2.*PI, then only the solutions in
//! the range [Uinf,Uinf+2.*PI[ are computed.
Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Elips2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Elips2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup) ;
//! Calculates the extremum distances between the
//! point P and the segment [Uinf,Usup] of the hyperbola
//! C.
//! Tol is used to determine if two solutions u and v
//! are identical; the condition is:
//! dist(C(u),C(v)) < Tol.
Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Hypr2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Hypr2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup) ;
//! Calculates the 4 extremum distances between the
//! point P and the segment [Uinf,Usup] of the parabola
//! C.
//! Tol is used to determine if two solutions u and v
//! are identical; the condition is:
//! dist(C(u),C(v)) < Tol.
Standard_EXPORT Extrema_ExtPElC2d(const gp_Pnt2d& P, const gp_Parab2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup);
Standard_EXPORT void Perform (const gp_Pnt2d& P, const gp_Parab2d& C, const Standard_Real Tol, const Standard_Real Uinf, const Standard_Real Usup) ;
//! True if the distances are found.
Standard_EXPORT Standard_Boolean IsDone() const;
//! Returns the number of extremum distances.
Standard_EXPORT Standard_Integer NbExt() const;
//! Returns the value of the Nth extremum square distance.
Standard_EXPORT Standard_Real SquareDistance (const Standard_Integer N) const;
//! Returns True if the Nth extremum distance is a
//! minimum.
Standard_EXPORT Standard_Boolean IsMin (const Standard_Integer N) const;
//! Returns the point of the Nth extremum distance.
Standard_EXPORT const Extrema_POnCurv2d& Point (const Standard_Integer N) const;
protected:
private:
Standard_Boolean myDone;
Standard_Integer myNbExt;
Standard_Real mySqDist[4];
Standard_Boolean myIsMin[4];
Extrema_POnCurv2d myPoint[4];
};
#endif // _Extrema_ExtPElC2d_HeaderFile
|
