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1 | // Created on: 1999-06-18 |
2 | // Created by: Galina Koulikova |
3 | // Copyright (c) 1999 Matra Datavision |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
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. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _ShapeCustom_BSplineRestriction_HeaderFile |
18 | #define _ShapeCustom_BSplineRestriction_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <GeomAbs_Shape.hxx> |
24 | #include <Standard_Integer.hxx> |
25 | #include <Standard_Real.hxx> |
26 | #include <Standard_Boolean.hxx> |
27 | #include <ShapeCustom_Modification.hxx> |
28 | class ShapeCustom_RestrictionParameters; |
29 | class TopoDS_Face; |
30 | class Geom_Surface; |
31 | class TopLoc_Location; |
32 | class TopoDS_Edge; |
33 | class Geom_Curve; |
34 | class Geom2d_Curve; |
35 | class TopoDS_Vertex; |
36 | class gp_Pnt; |
37 | |
38 | |
39 | class ShapeCustom_BSplineRestriction; |
40 | DEFINE_STANDARD_HANDLE(ShapeCustom_BSplineRestriction, ShapeCustom_Modification) |
41 | |
42 | //! this tool intended for aproximation surfaces, curves and pcurves with |
43 | //! specified degree , max number of segments, tolerance 2d, tolerance 3d. Specified |
44 | //! continuity can be reduced if approximation with specified continuity was not done. |
45 | class ShapeCustom_BSplineRestriction : public ShapeCustom_Modification |
46 | { |
47 | |
48 | public: |
49 | |
50 | |
51 | //! Empty constructor. |
52 | Standard_EXPORT ShapeCustom_BSplineRestriction(); |
53 | |
54 | //! Initializes with specified parameters of aproximation. |
55 | Standard_EXPORT ShapeCustom_BSplineRestriction(const Standard_Boolean anApproxSurfaceFlag, const Standard_Boolean anApproxCurve3dFlag, const Standard_Boolean anApproxCurve2dFlag, const Standard_Real aTol3d, const Standard_Real aTol2d, const GeomAbs_Shape aContinuity3d, const GeomAbs_Shape aContinuity2d, const Standard_Integer aMaxDegree, const Standard_Integer aNbMaxSeg, const Standard_Boolean Degree, const Standard_Boolean Rational); |
56 | |
57 | //! Initializes with specified parameters of aproximation. |
58 | Standard_EXPORT ShapeCustom_BSplineRestriction(const Standard_Boolean anApproxSurfaceFlag, const Standard_Boolean anApproxCurve3dFlag, const Standard_Boolean anApproxCurve2dFlag, const Standard_Real aTol3d, const Standard_Real aTol2d, const GeomAbs_Shape aContinuity3d, const GeomAbs_Shape aContinuity2d, const Standard_Integer aMaxDegree, const Standard_Integer aNbMaxSeg, const Standard_Boolean Degree, const Standard_Boolean Rational, const Handle(ShapeCustom_RestrictionParameters)& aModes); |
59 | |
60 | //! Returns Standard_True if the face <F> has been |
61 | //! modified. In this case, <S> is the new geometric |
62 | //! support of the face, <L> the new location,<Tol> |
63 | //! the new tolerance.<RevWires> has to be set to |
64 | //! Standard_True when the modification reverses the |
65 | //! normal of the surface.(the wires have to be |
66 | //! reversed). <RevFace> has to be set to |
67 | //! Standard_True if the orientation of the modified |
68 | //! face changes in the shells which contain it. |
69 | //! |
70 | //! Otherwise, returns Standard_False, and <S>, <L>, |
71 | //! <Tol> , <RevWires> ,<RevFace> are not significant. |
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72 | Standard_EXPORT Standard_Boolean NewSurface (const TopoDS_Face& F, Handle(Geom_Surface)& S, TopLoc_Location& L, Standard_Real& Tol, Standard_Boolean& RevWires, Standard_Boolean& RevFace) Standard_OVERRIDE; |
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73 | |
74 | //! Returns Standard_True if curve from the edge <E> has been |
75 | //! modified. In this case, <C> is the new geometric |
76 | //! support of the edge, <L> the new location, <Tol> |
77 | //! the new tolerance. |
78 | //! Otherwise, returns Standard_True if Surface is modified or |
79 | //! one of pcurves of edge is modified. In this case C is copy of |
80 | //! geometric support of the edge. |
81 | //! In other cases returns Standard_False, and <C>, <L>, <Tol> are not |
82 | //! significant. |
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83 | Standard_EXPORT Standard_Boolean NewCurve (const TopoDS_Edge& E, Handle(Geom_Curve)& C, TopLoc_Location& L, Standard_Real& Tol) Standard_OVERRIDE; |
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84 | |
85 | //! Returns Standard_True if the edge <E> has been modified. |
86 | //! In this case,if curve on the surface is modified, <C> |
87 | //! is the new geometric support of the edge, <L> the |
88 | //! new location, <Tol> the new tolerance. If curve on the surface |
89 | //! is not modified C is copy curve on surface from the edge <E>. |
90 | //! |
91 | //! Otherwise, returns Standard_False, and <C>, <L>, |
92 | //! <Tol> are not significant. |
93 | //! |
94 | //! <NewE> is the new edge created from <E>. <NewF> |
95 | //! is the new face created from <F>. They may be usefull. |
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96 | Standard_EXPORT Standard_Boolean NewCurve2d (const TopoDS_Edge& E, const TopoDS_Face& F, const TopoDS_Edge& NewE, const TopoDS_Face& NewF, Handle(Geom2d_Curve)& C, Standard_Real& Tol) Standard_OVERRIDE; |
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97 | |
98 | //! Returns Standard_True if the surface has been modified. |
99 | //! if flag IsOf equals Standard_True Offset surfaces are aproximated to Offset |
100 | //! if Standard_False to BSpline |
101 | Standard_EXPORT Standard_Boolean ConvertSurface (const Handle(Geom_Surface)& aSurface, Handle(Geom_Surface)& S, const Standard_Real UF, const Standard_Real UL, const Standard_Real VF, const Standard_Real VL, const Standard_Boolean IsOf = Standard_True); |
102 | |
103 | //! Returns Standard_True if the curve has been modified. |
104 | //! if flag IsOf equals Standard_True Offset curves are aproximated to Offset |
105 | //! if Standard_False to BSpline |
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106 | Standard_EXPORT Standard_Boolean ConvertCurve (const Handle(Geom_Curve)& aCurve, Handle(Geom_Curve)& C, const Standard_Boolean IsConvert, const Standard_Real First, const Standard_Real Last, Standard_Real& TolCur, const Standard_Boolean IsOf = Standard_True); |
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107 | |
108 | //! Returns Standard_True if the pcurve has been modified. |
109 | //! if flag IsOf equals Standard_True Offset pcurves are aproximated to Offset |
110 | //! if Standard_False to BSpline |
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111 | Standard_EXPORT Standard_Boolean ConvertCurve2d (const Handle(Geom2d_Curve)& aCurve, Handle(Geom2d_Curve)& C, const Standard_Boolean IsConvert, const Standard_Real First, const Standard_Real Last, Standard_Real& TolCur, const Standard_Boolean IsOf = Standard_True); |
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112 | |
113 | //! Sets tolerance of aproximation for curve3d and surface |
114 | void SetTol3d (const Standard_Real Tol3d); |
115 | |
116 | //! Sets tolerance of aproximation for curve2d |
117 | void SetTol2d (const Standard_Real Tol2d); |
118 | |
119 | //! Returns (modifiable) the flag which defines whether the |
120 | //! surface is aproximated. |
121 | Standard_Boolean& ModifyApproxSurfaceFlag(); |
122 | |
123 | //! Returns (modifiable) the flag which defines whether the |
124 | //! curve3d is aproximated. |
125 | Standard_Boolean& ModifyApproxCurve3dFlag(); |
126 | |
127 | //! Returns (modifiable) the flag which defines whether the curve2d is aproximated. |
128 | Standard_Boolean& ModifyApproxCurve2dFlag(); |
129 | |
130 | //! Sets continuity3d for aproximation curve3d and surface. |
131 | void SetContinuity3d (const GeomAbs_Shape Continuity3d); |
132 | |
133 | //! Sets continuity3d for aproximation curve2d. |
134 | void SetContinuity2d (const GeomAbs_Shape Continuity2d); |
135 | |
136 | //! Sets max degree for aproximation. |
137 | void SetMaxDegree (const Standard_Integer MaxDegree); |
138 | |
139 | //! Sets max number of segments for aproximation. |
140 | void SetMaxNbSegments (const Standard_Integer MaxNbSegments); |
141 | |
142 | //! Sets priority for aproximation curves and surface. |
143 | //! If Degree is True approximation is made with degree less |
144 | //! then specified MaxDegree at the expense of number of spanes. |
145 | //! If Degree is False approximation is made with number of |
146 | //! spans less then specified MaxNbSegment at the expense of |
147 | //! specified MaxDegree. |
148 | void SetPriority (const Standard_Boolean Degree); |
149 | |
150 | //! Sets flag for define if rational BSpline or Bezier is |
151 | //! converted to polynomial. If Rational is True approximation |
152 | //! for rational BSpline and Bezier is made to polynomial even |
153 | //! if degree is less then MaxDegree and number of spans is less |
154 | //! then specified MaxNbSegment. |
155 | void SetConvRational (const Standard_Boolean Rational); |
156 | |
157 | //! Returns the container of modes which defines |
158 | //! what geometry should be converted to BSplines. |
159 | Handle(ShapeCustom_RestrictionParameters) GetRestrictionParameters() const; |
160 | |
161 | //! Sets the container of modes which defines |
162 | //! what geometry should be converted to BSplines. |
163 | void SetRestrictionParameters (const Handle(ShapeCustom_RestrictionParameters)& aModes); |
164 | |
165 | //! Returns error for aproximation curve3d. |
166 | Standard_Real Curve3dError() const; |
167 | |
168 | //! Returns error for aproximation curve2d. |
169 | Standard_Real Curve2dError() const; |
170 | |
171 | //! Returns error for aproximation surface. |
172 | Standard_Real SurfaceError() const; |
173 | |
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174 | Standard_EXPORT Standard_Boolean NewPoint (const TopoDS_Vertex& V, gp_Pnt& P, Standard_Real& Tol) Standard_OVERRIDE; |
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175 | |
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176 | Standard_EXPORT Standard_Boolean NewParameter (const TopoDS_Vertex& V, const TopoDS_Edge& E, Standard_Real& P, Standard_Real& Tol) Standard_OVERRIDE; |
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177 | |
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178 | Standard_EXPORT GeomAbs_Shape Continuity (const TopoDS_Edge& E, const TopoDS_Face& F1, const TopoDS_Face& F2, const TopoDS_Edge& NewE, const TopoDS_Face& NewF1, const TopoDS_Face& NewF2) Standard_OVERRIDE; |
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179 | |
180 | //! Returns error for aproximation surface, curve3d and curve2d. |
181 | Standard_EXPORT Standard_Real MaxErrors (Standard_Real& aCurve3dErr, Standard_Real& aCurve2dErr) const; |
182 | |
183 | //! Returns number for aproximation surface, curve3d and curve2d. |
184 | Standard_EXPORT Standard_Integer NbOfSpan() const; |
185 | |
186 | |
187 | |
188 | |
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189 | DEFINE_STANDARD_RTTIEXT(ShapeCustom_BSplineRestriction,ShapeCustom_Modification) |
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190 | |
191 | protected: |
192 | |
193 | |
194 | |
195 | |
196 | private: |
197 | |
198 | |
199 | GeomAbs_Shape myContinuity3d; |
200 | GeomAbs_Shape myContinuity2d; |
201 | Standard_Integer myMaxDegree; |
202 | Standard_Integer myNbMaxSeg; |
203 | Standard_Real myTol3d; |
204 | Standard_Real myTol2d; |
205 | Standard_Real mySurfaceError; |
206 | Standard_Real myCurve3dError; |
207 | Standard_Real myCurve2dError; |
208 | Standard_Integer myNbOfSpan; |
209 | Standard_Boolean myApproxSurfaceFlag; |
210 | Standard_Boolean myApproxCurve3dFlag; |
211 | Standard_Boolean myApproxCurve2dFlag; |
212 | Standard_Boolean myDeg; |
213 | Standard_Boolean myConvert; |
214 | Standard_Boolean myRational; |
215 | Handle(ShapeCustom_RestrictionParameters) myParameters; |
216 | |
217 | |
218 | }; |
219 | |
220 | |
221 | #include <ShapeCustom_BSplineRestriction.lxx> |
222 | |
223 | |
224 | |
225 | |
226 | |
227 | #endif // _ShapeCustom_BSplineRestriction_HeaderFile |