1 // Copyright (c) 1999-2014 OPEN CASCADE SAS
3 // This file is part of Open CASCADE Technology software library.
5 // This library is free software; you can redistribute it and / or modify it
6 // under the terms of the GNU Lesser General Public version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
14 #ifndef _BRepExtrema_DistShapeShape_HeaderFile
15 #define _BRepExtrema_DistShapeShape_HeaderFile
17 #ifndef _Standard_HeaderFile
18 #include <Standard.hxx>
20 #ifndef _Standard_DefineAlloc_HeaderFile
21 #include <Standard_DefineAlloc.hxx>
23 #ifndef _Standard_Macro_HeaderFile
24 #include <Standard_Macro.hxx>
27 #ifndef _Standard_Integer_HeaderFile
28 #include <Standard_Integer.hxx>
30 #ifndef _Standard_Real_HeaderFile
31 #include <Standard_Real.hxx>
33 #ifndef _Standard_Boolean_HeaderFile
34 #include <Standard_Boolean.hxx>
36 #ifndef _BRepExtrema_SeqOfSolution_HeaderFile
37 #include <BRepExtrema_SeqOfSolution.hxx>
39 #ifndef _BRepExtrema_SolutionElem_HeaderFile
40 #include <BRepExtrema_SolutionElem.hxx>
42 #ifndef _TopoDS_Shape_HeaderFile
43 #include <TopoDS_Shape.hxx>
45 #ifndef _TopTools_IndexedMapOfShape_HeaderFile
46 #include <TopTools_IndexedMapOfShape.hxx>
48 #ifndef _Extrema_ExtFlag_HeaderFile
49 #include <Extrema_ExtFlag.hxx>
51 #ifndef _Extrema_ExtAlgo_HeaderFile
52 #include <Extrema_ExtAlgo.hxx>
54 #ifndef _BRepExtrema_SupportType_HeaderFile
55 #include <BRepExtrema_SupportType.hxx>
57 #ifndef _Standard_OStream_HeaderFile
58 #include <Standard_OStream.hxx>
60 #ifndef _gp_Pnt_HeaderFile
64 class TopTools_IndexedMapOfShape;
68 //! This class provides tools to compute minimum distance <br>
69 //! between two Shapes (Compound,CompSolid, Solid, Shell, Face, Wire, Edge, Vertex). <br>
70 class BRepExtrema_DistShapeShape
76 //! create empty tool <br>
77 Standard_EXPORT BRepExtrema_DistShapeShape();
78 //! computation of the minimum distance (value and pair of points) using default deflection <br>
79 //! Default value is Precision::Confusion(). <br>
80 Standard_EXPORT BRepExtrema_DistShapeShape(const TopoDS_Shape& Shape1,const TopoDS_Shape& Shape2,const Extrema_ExtFlag F = Extrema_ExtFlag_MINMAX,const Extrema_ExtAlgo A = Extrema_ExtAlgo_Grad);
81 //! create tool and load both shapes into it <br>
82 Standard_EXPORT BRepExtrema_DistShapeShape(const TopoDS_Shape& Shape1,const TopoDS_Shape& Shape2,const Standard_Real theDeflection,const Extrema_ExtFlag F = Extrema_ExtFlag_MINMAX,const Extrema_ExtAlgo A = Extrema_ExtAlgo_Grad);
84 Standard_EXPORT void SetDeflection(const Standard_Real theDeflection)
86 myEps = theDeflection;
88 //! load first shape into extrema <br>
89 Standard_EXPORT void LoadS1(const TopoDS_Shape& Shape1);
90 //! load second shape into extrema <br>
91 Standard_EXPORT void LoadS2(const TopoDS_Shape& Shape1);
92 //! computation of the minimum distance (value and <br>
93 //! couple of points). Parameter theDeflection is used <br>
94 //! to specify a maximum deviation of extreme distances <br>
95 //! from the minimum one. <br>
96 //! Returns IsDone status. <br>
97 Standard_EXPORT Standard_Boolean Perform();
98 //! True if the minimum distance is found. <br>
99 Standard_EXPORT Standard_Boolean IsDone() const
103 //! Returns the number of solutions satisfying the minimum distance. <br>
104 Standard_EXPORT Standard_Integer NbSolution() const
106 return mySolutionsShape1.Length();
108 //! Returns the value of the minimum distance. <br>
109 Standard_EXPORT Standard_Real Value() const;
110 //! True if one of the shapes is a solid and the other shape <br>
111 //! is completely or partially inside the solid. <br>
112 Standard_EXPORT Standard_Boolean InnerSolution() const
116 //! Returns the Point corresponding to the <N>th solution on the first Shape <br>
117 Standard_EXPORT const gp_Pnt & PointOnShape1(const Standard_Integer N) const
119 return mySolutionsShape1.Value(N).Point();
121 //! Returns the Point corresponding to the <N>th solution on the second Shape <br>
122 Standard_EXPORT const gp_Pnt & PointOnShape2(const Standard_Integer N) const
124 return mySolutionsShape2.Value(N).Point();
126 //! gives the type of the support where the Nth solution on the first shape is situated: <br>
127 //! IsVertex => the Nth solution on the first shape is a Vertex <br>
128 //! IsOnEdge => the Nth soluion on the first shape is on a Edge <br>
129 //! IsInFace => the Nth solution on the first shape is inside a face <br>
130 //! the corresponding support is obtained by the method SupportOnShape1 <br>
131 Standard_EXPORT BRepExtrema_SupportType SupportTypeShape1(const Standard_Integer N) const
133 return mySolutionsShape1.Value(N).SupportKind();
135 //! gives the type of the support where the Nth solution on the second shape is situated: <br>
136 //! IsVertex => the Nth solution on the second shape is a Vertex <br>
137 //! IsOnEdge => the Nth soluion on the secondt shape is on a Edge <br>
138 //! IsInFace => the Nth solution on the second shape is inside a face <br>
139 //! the corresponding support is obtained by the method SupportOnShape2 <br>
140 Standard_EXPORT BRepExtrema_SupportType SupportTypeShape2(const Standard_Integer N) const
142 return mySolutionsShape2.Value(N).SupportKind();
144 //! gives the support where the Nth solution on the first shape is situated. <br>
145 //! This support can be a Vertex, an Edge or a Face. <br>
146 Standard_EXPORT TopoDS_Shape SupportOnShape1(const Standard_Integer N) const;
147 //! gives the support where the Nth solution on the second shape is situated. <br>
148 //! This support can be a Vertex, an Edge or a Face. <br>
149 Standard_EXPORT TopoDS_Shape SupportOnShape2(const Standard_Integer N) const;
150 //! gives the corresponding parameter t if the Nth solution <br>
151 //! is situated on an Egde of the first shape <br>
152 Standard_EXPORT void ParOnEdgeS1(const Standard_Integer N,Standard_Real& t) const;
153 //! gives the corresponding parameter t if the Nth solution <br>
154 //! is situated on an Egde of the first shape <br>
155 Standard_EXPORT void ParOnEdgeS2(const Standard_Integer N,Standard_Real& t) const;
156 //! gives the corresponding parameters (U,V) if the Nth solution <br>
157 //! is situated on an face of the first shape <br>
158 Standard_EXPORT void ParOnFaceS1(const Standard_Integer N,Standard_Real& u,Standard_Real& v) const;
159 //! gives the corresponding parameters (U,V) if the Nth solution <br>
160 //! is situated on an Face of the second shape <br>
161 Standard_EXPORT void ParOnFaceS2(const Standard_Integer N,Standard_Real& u,Standard_Real& v) const;
162 //! Prints on the stream o information on the current state of the object. <br>
163 Standard_EXPORT void Dump(Standard_OStream& o) const;
165 Standard_EXPORT void SetFlag(const Extrema_ExtFlag F)
170 Standard_EXPORT void SetAlgo(const Extrema_ExtAlgo A)
177 //! computes the minimum distance between two maps of shapes (Face,Edge,Vertex) <br>
178 Standard_EXPORT void DistanceMapMap(const TopTools_IndexedMapOfShape& Map1,const TopTools_IndexedMapOfShape& Map2,const Bnd_SeqOfBox& LBox1,const Bnd_SeqOfBox& LBox2);
180 Standard_Real myDistRef;
181 Standard_Boolean myIsDone;
182 BRepExtrema_SeqOfSolution mySolutionsShape1;
183 BRepExtrema_SeqOfSolution mySolutionsShape2;
184 Standard_Boolean myInnerSol;
186 TopoDS_Shape myShape1;
187 TopoDS_Shape myShape2;
188 TopTools_IndexedMapOfShape myMapV1;
189 TopTools_IndexedMapOfShape myMapV2;
190 TopTools_IndexedMapOfShape myMapE1;
191 TopTools_IndexedMapOfShape myMapE2;
192 TopTools_IndexedMapOfShape myMapF1;
193 TopTools_IndexedMapOfShape myMapF2;
194 Extrema_ExtFlag myFlag;
195 Extrema_ExtAlgo myAlgo;