1 // Created on: 1993-01-09 2 // Created by: CKY / Contract Toubro-Larsen ( SIVA ) 3 // Copyright (c) 1993-1999 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 _IGESSolid_Loop_HeaderFile 18 #define _IGESSolid_Loop_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_Type.hxx> 22 23 #include <TColStd_HArray1OfInteger.hxx> 24 #include <IGESData_HArray1OfIGESEntity.hxx> 25 #include <IGESData_IGESEntity.hxx> 26 #include <Standard_Boolean.hxx> 27 #include <Standard_Integer.hxx> 28 class IGESBasic_HArray1OfHArray1OfInteger; 29 class IGESBasic_HArray1OfHArray1OfIGESEntity; 30 class Standard_DimensionMismatch; 31 class Standard_OutOfRange; 32 class IGESData_IGESEntity; 33 34 35 class IGESSolid_Loop; 36 DEFINE_STANDARD_HANDLE(IGESSolid_Loop, IGESData_IGESEntity) 37 38 //! defines Loop, Type <508> Form Number <1> 39 //! in package IGESSolid 40 //! A Loop entity specifies a bound of a face. It represents 41 //! a connected collection of face boundaries, seams, and 42 //! poles of a single face. 43 //! 44 //! From IGES-5.3, a Loop can be free with Form Number 0, 45 //! else it is a bound of a face (it is the default) 46 class IGESSolid_Loop : public IGESData_IGESEntity 47 { 48 49 public: 50 51 52 Standard_EXPORT IGESSolid_Loop(); 53 54 //! This method is used to set the fields of the class Loop 55 //! - types : 0 = Edge; 1 = Vertex 56 //! - edges : Pointer to the EdgeList or VertexList 57 //! - index : Index of the edge into the EdgeList 58 //! VertexList entity 59 //! - orient : Orientation flag of the edge 60 //! - nbParameterCurves : the number of parameter space curves 61 //! for each edge 62 //! - isoparametricFlags : the isoparametric flag of the 63 //! parameter space curve 64 //! - curves : the parameter space curves 65 //! raises exception if length of types, edges, index, orient and 66 //! nbParameterCurves do not match or the length of 67 //! isoparametricFlags and curves do not match 68 Standard_EXPORT void Init (const Handle(TColStd_HArray1OfInteger)& types, const Handle(IGESData_HArray1OfIGESEntity)& edges, const Handle(TColStd_HArray1OfInteger)& index, const Handle(TColStd_HArray1OfInteger)& orient, const Handle(TColStd_HArray1OfInteger)& nbParameterCurves, const Handle(IGESBasic_HArray1OfHArray1OfInteger)& isoparametricFlags, const Handle(IGESBasic_HArray1OfHArray1OfIGESEntity)& curves); 69 70 //! Tells if a Loop is a Bound (FN 1) else it is free (FN 0) 71 Standard_EXPORT Standard_Boolean IsBound() const; 72 73 //! Sets or Unset the Bound Status (from Form Number) 74 //! Default is True 75 Standard_EXPORT void SetBound (const Standard_Boolean bound); 76 77 //! returns the number of edge tuples 78 Standard_EXPORT Standard_Integer NbEdges() const; 79 80 //! returns the type of Index'th edge (0 = Edge, 1 = Vertex) 81 //! raises exception if Index <= 0 or Index > NbEdges() 82 Standard_EXPORT Standard_Integer EdgeType (const Standard_Integer Index) const; 83 84 //! return the EdgeList or VertexList corresponding to the Index 85 //! raises exception if Index <= 0 or Index > NbEdges() 86 Standard_EXPORT Handle(IGESData_IGESEntity) Edge (const Standard_Integer Index) const; 87 88 //! returns the orientation flag corresponding to Index'th edge 89 //! raises exception if Index <= 0 or Index > NbEdges() 90 Standard_EXPORT Standard_Boolean Orientation (const Standard_Integer Index) const; 91 92 //! return the number of parameter space curves associated with 93 //! Index'th Edge 94 //! raises exception if Index <= 0 or Index > NbEdges() 95 Standard_EXPORT Standard_Integer NbParameterCurves (const Standard_Integer Index) const; 96 97 Standard_EXPORT Standard_Boolean IsIsoparametric (const Standard_Integer EdgeIndex, const Standard_Integer CurveIndex) const; 98 99 //! returns the CurveIndex'th parameter space curve associated with 100 //! EdgeIndex'th edge 101 //! raises exception if EdgeIndex <= 0 or EdgeIndex > NbEdges() or 102 //! if CurveIndex <= 0 or CurveIndex > NbParameterCurves(EdgeIndex) 103 Standard_EXPORT Handle(IGESData_IGESEntity) ParametricCurve (const Standard_Integer EdgeIndex, const Standard_Integer CurveIndex) const; 104 105 //! raises exception If num <= 0 or num > NbEdges() 106 Standard_EXPORT Standard_Integer ListIndex (const Standard_Integer num) const; 107 108 109 110 111 DEFINE_STANDARD_RTTIEXT(IGESSolid_Loop,IGESData_IGESEntity) 112 113 protected: 114 115 116 117 118 private: 119 120 121 Handle(TColStd_HArray1OfInteger) theTypes; 122 Handle(IGESData_HArray1OfIGESEntity) theEdges; 123 Handle(TColStd_HArray1OfInteger) theIndex; 124 Handle(TColStd_HArray1OfInteger) theOrientationFlags; 125 Handle(TColStd_HArray1OfInteger) theNbParameterCurves; 126 Handle(IGESBasic_HArray1OfHArray1OfInteger) theIsoparametricFlags; 127 Handle(IGESBasic_HArray1OfHArray1OfIGESEntity) theCurves; 128 129 130 }; 131 132 133 134 135 136 137 138 #endif // _IGESSolid_Loop_HeaderFile 139