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0001 // Created on: 1991-01-08 0002 // Created by: Didier Piffault 0003 // Copyright (c) 1991-1999 Matra Datavision 0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS 0005 // 0006 // This file is part of Open CASCADE Technology software library. 0007 // 0008 // This library is free software; you can redistribute it and/or modify it under 0009 // the terms of the GNU Lesser General Public License version 2.1 as published 0010 // by the Free Software Foundation, with special exception defined in the file 0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 0012 // distribution for complete text of the license and disclaimer of any warranty. 0013 // 0014 // Alternatively, this file may be used under the terms of Open CASCADE 0015 // commercial license or contractual agreement. 0016 0017 #ifndef _Bnd_B3f_HeaderFile 0018 #define _Bnd_B3f_HeaderFile 0019 0020 #include <Standard.hxx> 0021 #include <Standard_DefineAlloc.hxx> 0022 0023 class gp_XYZ; 0024 class gp_Pnt; 0025 class gp_Trsf; 0026 class gp_Ax1; 0027 class gp_Ax3; 0028 0029 0030 0031 class Bnd_B3f 0032 { 0033 public: 0034 0035 DEFINE_STANDARD_ALLOC 0036 0037 0038 //! Empty constructor. 0039 Bnd_B3f(); 0040 0041 //! Constructor. 0042 Bnd_B3f(const gp_XYZ& theCenter, const gp_XYZ& theHSize); 0043 0044 //! Returns True if the box is void (non-initialized). 0045 Standard_Boolean IsVoid() const; 0046 0047 //! Reset the box data. 0048 void Clear(); 0049 0050 //! Update the box by a point. 0051 Standard_EXPORT void Add (const gp_XYZ& thePnt); 0052 0053 //! Update the box by a point. 0054 void Add (const gp_Pnt& thePnt); 0055 0056 //! Update the box by another box. 0057 void Add (const Bnd_B3f& theBox); 0058 0059 //! Query the lower corner: (Center - HSize). You must make sure that 0060 //! the box is NOT VOID (see IsVoid()), otherwise the method returns 0061 //! irrelevant result. 0062 gp_XYZ CornerMin() const; 0063 0064 //! Query the upper corner: (Center + HSize). You must make sure that 0065 //! the box is NOT VOID (see IsVoid()), otherwise the method returns 0066 //! irrelevant result. 0067 gp_XYZ CornerMax() const; 0068 0069 //! Query the square diagonal. If the box is VOID (see method IsVoid()) 0070 //! then a very big real value is returned. 0071 Standard_Real SquareExtent() const; 0072 0073 //! Extend the Box by the absolute value of theDiff. 0074 void Enlarge (const Standard_Real theDiff); 0075 0076 //! Limit the Box by the internals of theOtherBox. 0077 //! Returns True if the limitation takes place, otherwise False 0078 //! indicating that the boxes do not intersect. 0079 Standard_EXPORT Standard_Boolean Limit (const Bnd_B3f& theOtherBox); 0080 0081 //! Transform the bounding box with the given transformation. 0082 //! The resulting box will be larger if theTrsf contains rotation. 0083 Standard_NODISCARD Standard_EXPORT Bnd_B3f Transformed (const gp_Trsf& theTrsf) const; 0084 0085 //! Check the given point for the inclusion in the Box. 0086 //! Returns True if the point is outside. 0087 Standard_Boolean IsOut (const gp_XYZ& thePnt) const; 0088 0089 //! Check a sphere for the intersection with the current box. 0090 //! Returns True if there is no intersection between boxes. If the 0091 //! parameter 'IsSphereHollow' is True, then the intersection is not 0092 //! reported for a box that is completely inside the sphere (otherwise 0093 //! this method would report an intersection). 0094 Standard_EXPORT Standard_Boolean IsOut (const gp_XYZ& theCenter, const Standard_Real theRadius, const Standard_Boolean isSphereHollow = Standard_False) const; 0095 0096 //! Check the given box for the intersection with the current box. 0097 //! Returns True if there is no intersection between boxes. 0098 Standard_Boolean IsOut (const Bnd_B3f& theOtherBox) const; 0099 0100 //! Check the given box oriented by the given transformation 0101 //! for the intersection with the current box. 0102 //! Returns True if there is no intersection between boxes. 0103 Standard_EXPORT Standard_Boolean IsOut (const Bnd_B3f& theOtherBox, const gp_Trsf& theTrsf) const; 0104 0105 //! Check the given Line for the intersection with the current box. 0106 //! Returns True if there is no intersection. 0107 //! isRay==True means intersection check with the positive half-line 0108 //! theOverthickness is the addition to the size of the current box 0109 //! (may be negative). If positive, it can be treated as the thickness 0110 //! of the line 'theLine' or the radius of the cylinder along 'theLine' 0111 Standard_EXPORT Standard_Boolean IsOut (const gp_Ax1& theLine, const Standard_Boolean isRay = Standard_False, const Standard_Real theOverthickness = 0.0) const; 0112 0113 //! Check the given Plane for the intersection with the current box. 0114 //! Returns True if there is no intersection. 0115 Standard_EXPORT Standard_Boolean IsOut (const gp_Ax3& thePlane) const; 0116 0117 //! Check that the box 'this' is inside the given box 'theBox'. Returns 0118 //! True if 'this' box is fully inside 'theBox'. 0119 Standard_Boolean IsIn (const Bnd_B3f& theBox) const; 0120 0121 //! Check that the box 'this' is inside the given box 'theBox' 0122 //! transformed by 'theTrsf'. Returns True if 'this' box is fully 0123 //! inside the transformed 'theBox'. 0124 Standard_EXPORT Standard_Boolean IsIn (const Bnd_B3f& theBox, const gp_Trsf& theTrsf) const; 0125 0126 //! Set the Center coordinates 0127 void SetCenter (const gp_XYZ& theCenter); 0128 0129 //! Set the HSize (half-diagonal) coordinates. 0130 //! All components of theHSize must be non-negative. 0131 void SetHSize (const gp_XYZ& theHSize); 0132 0133 0134 0135 0136 protected: 0137 0138 0139 0140 Standard_ShortReal myCenter[3]; 0141 Standard_ShortReal myHSize[3]; 0142 0143 0144 private: 0145 0146 0147 0148 0149 0150 }; 0151 0152 #define RealType Standard_ShortReal 0153 #define RealType_hxx <Standard_ShortReal.hxx> 0154 #define Bnd_B3x Bnd_B3f 0155 #define Bnd_B3x_hxx <Bnd_B3f.hxx> 0156 0157 #include <Bnd_B3x.lxx> 0158 0159 #undef RealType 0160 #undef RealType_hxx 0161 #undef Bnd_B3x 0162 #undef Bnd_B3x_hxx 0163 0164 0165 0166 0167 #endif // _Bnd_B3f_HeaderFile
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