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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
// 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 _ShapeConstruct_ProjectCurveOnSurface_HeaderFile
#define _ShapeConstruct_ProjectCurveOnSurface_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_DefineHandle_HeaderFile
#include <Standard_DefineHandle.hxx>
#endif
#ifndef _Handle_ShapeConstruct_ProjectCurveOnSurface_HeaderFile
#include <Handle_ShapeConstruct_ProjectCurveOnSurface.hxx>
#endif
#ifndef _Handle_ShapeAnalysis_Surface_HeaderFile
#include <Handle_ShapeAnalysis_Surface.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
#ifndef _Standard_Integer_HeaderFile
#include <Standard_Integer.hxx>
#endif
#ifndef _gp_Pnt_HeaderFile
#include <gp_Pnt.hxx>
#endif
#ifndef _gp_Pnt2d_HeaderFile
#include <gp_Pnt2d.hxx>
#endif
#ifndef _MMgt_TShared_HeaderFile
#include <MMgt_TShared.hxx>
#endif
#ifndef _Handle_Geom_Surface_HeaderFile
#include <Handle_Geom_Surface.hxx>
#endif
#ifndef _ShapeExtend_Status_HeaderFile
#include <ShapeExtend_Status.hxx>
#endif
#ifndef _Handle_Geom_Curve_HeaderFile
#include <Handle_Geom_Curve.hxx>
#endif
#ifndef _Handle_Geom2d_Curve_HeaderFile
#include <Handle_Geom2d_Curve.hxx>
#endif
#ifndef _GeomAbs_Shape_HeaderFile
#include <GeomAbs_Shape.hxx>
#endif
#ifndef _Handle_TColgp_HArray1OfPnt2d_HeaderFile
#include <Handle_TColgp_HArray1OfPnt2d.hxx>
#endif
#ifndef _Handle_TColStd_HArray1OfReal_HeaderFile
#include <Handle_TColStd_HArray1OfReal.hxx>
#endif
#ifndef _Handle_TColgp_HArray1OfPnt_HeaderFile
#include <Handle_TColgp_HArray1OfPnt.hxx>
#endif
class ShapeAnalysis_Surface;
class Geom_Surface;
class Geom_Curve;
class Geom2d_Curve;
class TColgp_Array1OfPnt;
class TColStd_Array1OfReal;
class TColgp_Array1OfPnt2d;
class TColgp_HArray1OfPnt2d;
class TColStd_HArray1OfReal;
class TColgp_HArray1OfPnt;
class gp_Pnt2d;
//! This tool provides a method for computing pcurve by projecting <br>
//! 3d curve onto a surface. <br>
//! Projection is done by 23 or more points (this number is changed <br>
//! for B-Splines according to the following rule: <br>
//! the total number of the points is not less than number of spans * <br>
//! (degree + 1); <br>
//! it is increased recursively starting with 23 and is added with 22 <br>
//! until the condition is fulfilled). <br>
//! Isoparametric cases (if curve corresponds to U=const or V=const on <br>
//! the surface) are recognized with the given precision. <br>
class ShapeConstruct_ProjectCurveOnSurface : public MMgt_TShared {
public:
//! Empty constructor. <br>
Standard_EXPORT ShapeConstruct_ProjectCurveOnSurface();
//! Initializes the object with all necessary parameters, <br>
//! i.e. surface and precision <br>
Standard_EXPORT virtual void Init(const Handle(Geom_Surface)& surf,const Standard_Real preci) ;
//! Initializes the object with all necessary parameters, <br>
//! i.e. surface and precision <br>
Standard_EXPORT virtual void Init(const Handle(ShapeAnalysis_Surface)& surf,const Standard_Real preci) ;
//! Loads a surface (in the form of Geom_Surface) to project on <br>
Standard_EXPORT void SetSurface(const Handle(Geom_Surface)& surf) ;
//! Loads a surface (in the form of ShapeAnalysis_Surface) to project on <br>
Standard_EXPORT void SetSurface(const Handle(ShapeAnalysis_Surface)& surf) ;
//! Sets value for current precision <br>
Standard_EXPORT void SetPrecision(const Standard_Real preci) ;
//! Returns (modifiable) the build-curve-3d mode, by default False <br>
//! If True, if the projected curve has been recomputed by <br>
//! interpolation, the 3d curve is also rebuild by interpolation <br>
Standard_EXPORT Standard_Boolean& BuildCurveMode() ;
//! Returns (modifiable) the flag specifying to which side of <br>
//! parametrical space adjust part of pcurve which lies on seam. <br>
//! This is required in very rare case when 3d curve which is <br>
//! to be projected goes partly along the seam on the closed <br>
//! surface with singularity (e.g. sphere), goes through the <br>
//! degenerated point and paerly lies on internal area of surface. <br>
Standard_EXPORT Standard_Integer& AdjustOverDegenMode() ;
//! Returns the status of last Peform <br>
Standard_EXPORT Standard_Boolean Status(const ShapeExtend_Status Status) const;
//! Computes the projection of 3d curve onto a surface using the <br>
//! standard algorithm from ProjLib. Returns False if standard <br>
//! projector fails or raises an exception or cuts the curve by <br>
//! parametrical bounds of the surface. Else, if pcurve computed <br>
//! successfully, returns True. <br>
//! The continuity, maxdeg and nbinterval are parameters of call <br>
//! to Approx_CurveOnSurface. If nbinterval is equal to -1 <br>
//! (default), this value is computed depending on source 3d curve <br>
//! and surface. <br>
Standard_EXPORT virtual Standard_Boolean Perform(Handle(Geom_Curve)& c3d,const Standard_Real First,const Standard_Real Last,Handle(Geom2d_Curve)& c2d,const GeomAbs_Shape continuity = GeomAbs_C1,const Standard_Integer maxdeg = 12,const Standard_Integer nbinterval = -1) ;
//! Computes the projection of 3d curve onto a surface using the <br>
//! standard algorithm from ProjLib. Returns False if standard <br>
//! projector fails or raises an exception or cuts the curve by <br>
//! parametrical bounds of the surface. Else, if pcurve computed <br>
//! successfully, returns True. <br>
//! The continuity, maxdeg and nbinterval are parameters of call <br>
//! to Approx_CurveOnSurface. If nbinterval is equal to -1 <br>
//! (default), this value is computed depending on source 3d curve <br>
//! and surface. <br>
Standard_EXPORT Standard_Boolean PerformByProjLib(Handle(Geom_Curve)& c3d,const Standard_Real First,const Standard_Real Last,Handle(Geom2d_Curve)& c2d,const GeomAbs_Shape continuity = GeomAbs_C1,const Standard_Integer maxdeg = 12,const Standard_Integer nbinterval = -1) ;
//! Computes the projection of 3d curve onto a surface using <br>
//! either standard projector (method PerformByStandard()) or <br>
//! internal one (method Perform()). The selection is done by <br>
//! analyzing the surface and 3d curve and is aimed to filter <br>
//! the cases potentially dangerous for the standard projector. <br>
//! If the standard projector fails, internal one is used. <br>
Standard_EXPORT Standard_Boolean PerformAdvanced(Handle(Geom_Curve)& c3d,const Standard_Real First,const Standard_Real Last,Handle(Geom2d_Curve)& c2d) ;
DEFINE_STANDARD_RTTI(ShapeConstruct_ProjectCurveOnSurface)
protected:
Handle_ShapeAnalysis_Surface mySurf;
Standard_Real myPreci;
Standard_Boolean myBuild;
Standard_Integer myStatus;
Standard_Integer myAdjustOverDegen;
Standard_Integer myNbCashe;
gp_Pnt myCashe3d[2];
gp_Pnt2d myCashe2d[2];
private:
Standard_EXPORT Handle_Geom2d_Curve ProjectAnalytic(const Handle(Geom_Curve)& c3d) const;
Standard_EXPORT Standard_Boolean ApproxPCurve(const Standard_Integer nbrPnt,const TColgp_Array1OfPnt& points,const TColStd_Array1OfReal& params,TColgp_Array1OfPnt2d& points2d,Handle(Geom2d_Curve)& c2d) ;
Standard_EXPORT Handle_Geom2d_Curve InterpolatePCurve(const Standard_Integer nbrPnt,Handle(TColgp_HArray1OfPnt2d)& points2d,Handle(TColStd_HArray1OfReal)& params,const Handle(Geom_Curve)& orig) const;
Standard_EXPORT Handle_Geom2d_Curve ApproximatePCurve(const Standard_Integer nbrPnt,Handle(TColgp_HArray1OfPnt2d)& points2d,Handle(TColStd_HArray1OfReal)& params,const Handle(Geom_Curve)& orig) const;
Standard_EXPORT Handle_Geom_Curve InterpolateCurve3d(const Standard_Integer nbrPnt,Handle(TColgp_HArray1OfPnt)& points,Handle(TColStd_HArray1OfReal)& params,const Handle(Geom_Curve)& orig) const;
Standard_EXPORT void CheckPoints(Handle(TColgp_HArray1OfPnt)& points,Handle(TColStd_HArray1OfReal)& params,Standard_Real& preci) const;
Standard_EXPORT void CheckPoints2d(Handle(TColgp_HArray1OfPnt2d)& points,Handle(TColStd_HArray1OfReal)& params,Standard_Real& preci) const;
Standard_EXPORT Standard_Boolean IsAnIsoparametric(const Standard_Integer nbrPnt,const TColgp_Array1OfPnt& points,const TColStd_Array1OfReal& params,Standard_Boolean& isoTypeU,Standard_Boolean& p1OnIso,gp_Pnt2d& valueP1,Standard_Boolean& p2OnIso,gp_Pnt2d& valueP2,Standard_Boolean& isoPar2d3d,Handle(Geom_Curve)& cIso,Standard_Real& t1,Standard_Real& t2,TColStd_Array1OfReal& pout) const;
};
// other Inline functions and methods (like "C++: function call" methods)
#endif
|
