src/STEPControl/STEPControl_ActorRead.hxx

   1 // Created on: 1994-12-21
   2 // Created by: Dieter THIEMANN
   3 // Copyright (c) 1994-1999 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 _STEPControl_ActorRead_HeaderFile
  18 #define _STEPControl_ActorRead_HeaderFile
  19
  20 #include <Standard.hxx>
  21 #include <Standard_Type.hxx>
  22
  23 #include <StepToTopoDS_NMTool.hxx>
  24 #include <Standard_Real.hxx>
  25 #include <Transfer_ActorOfTransientProcess.hxx>
  26 #include <Standard_Boolean.hxx>
  27 #include <Standard_Integer.hxx>
  28 #include <TopTools_ListOfShape.hxx>
  29 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  30 #include <Message_ProgressRange.hxx>
  31
  32 class StepRepr_Representation;
  33 class Standard_Transient;
  34 class Transfer_Binder;
  35 class Transfer_TransientProcess;
  36 class StepGeom_Axis2Placement3d;
  37 class gp_Trsf;
  38 class StepRepr_RepresentationRelationship;
  39 class TransferBRep_ShapeBinder;
  40 class StepBasic_ProductDefinition;
  41 class StepRepr_NextAssemblyUsageOccurrence;
  42 class StepShape_ShapeRepresentation;
  43 class StepShape_ContextDependentShapeRepresentation;
  44 class StepRepr_ShapeRepresentationRelationship;
  45 class StepGeom_GeometricRepresentationItem;
  46 class StepRepr_MappedItem;
  47 class StepShape_FaceSurface;
  48 class TopoDS_Shell;
  49 class TopoDS_Compound;
  50 class StepRepr_ConstructiveGeometryRepresentationRelationship;
  51
  52
  53 class STEPControl_ActorRead;
  54 DEFINE_STANDARD_HANDLE(STEPControl_ActorRead, Transfer_ActorOfTransientProcess)
  55
  56 //! This class performs the transfer of an Entity from
  57 //! AP214 and AP203, either Geometric or Topologic.
  58 //!
  59 //! I.E. for each type of Entity, it invokes the appropriate Tool
  60 //! then returns the Binder which contains the Result
  61 class STEPControl_ActorRead : public Transfer_ActorOfTransientProcess
  62 {
  63
  64 public:
  65
  66
  67   Standard_EXPORT STEPControl_ActorRead();
  68
  69   Standard_EXPORT virtual Standard_Boolean Recognize (const Handle(Standard_Transient)& start) Standard_OVERRIDE;
  70
  71   Standard_EXPORT virtual Handle(Transfer_Binder) Transfer
  72                    (const Handle(Standard_Transient)& start,
  73                     const Handle(Transfer_TransientProcess)& TP,
  74                     const Message_ProgressRange& theProgress = Message_ProgressRange()) Standard_OVERRIDE;
  75
  76   //! theUseTrsf - special flag for using Axis2Placement from ShapeRepresentation for transform root shape
  77   Standard_EXPORT Handle(Transfer_Binder) TransferShape (
  78       const Handle(Standard_Transient)& start,
  79       const Handle(Transfer_TransientProcess)& TP,
  80       const Standard_Boolean isManifold = Standard_True,
  81       const Standard_Boolean theUseTrsf = Standard_False,
  82       const Message_ProgressRange& theProgress = Message_ProgressRange());
  83
  84   //! set units and tolerances context by given ShapeRepresentation
  85   Standard_EXPORT void PrepareUnits (const Handle(StepRepr_Representation)& rep, const Handle(Transfer_TransientProcess)& TP);
  86
  87   //! reset units and tolerances context to default
  88   //! (mm, radians, read.precision.val, etc.)
  89   Standard_EXPORT void ResetUnits();
  90
  91   //! Computes transformation defined by two axis placements (in MAPPED_ITEM
  92   //! or ITEM_DEFINED_TRANSFORMATION) taking into account their
  93   //! representation contexts (i.e. units, which may be different)
  94   //! Returns True if transformation is computed and is not an identity.
  95   Standard_EXPORT Standard_Boolean ComputeTransformation (const Handle(StepGeom_Axis2Placement3d)& Origin, const Handle(StepGeom_Axis2Placement3d)& Target, const Handle(StepRepr_Representation)& OrigContext, const Handle(StepRepr_Representation)& TargContext, const Handle(Transfer_TransientProcess)& TP, gp_Trsf& Trsf);
  96
  97   //! Computes transformation defined by given
  98   //! REPRESENTATION_RELATIONSHIP_WITH_TRANSFORMATION
  99   Standard_EXPORT Standard_Boolean ComputeSRRWT (const Handle(StepRepr_RepresentationRelationship)& SRR, const Handle(Transfer_TransientProcess)& TP, gp_Trsf& Trsf);
 100
 101
 102
 103
 104   DEFINE_STANDARD_RTTIEXT(STEPControl_ActorRead,Transfer_ActorOfTransientProcess)
 105
 106 protected:
 107
 108
 109   //! Transfers product definition entity
 110   //! theUseTrsf - special flag for using Axis2Placement from ShapeRepresentation for transform root shape
 111     Standard_EXPORT Handle(TransferBRep_ShapeBinder) TransferEntity (
 112       const Handle(StepBasic_ProductDefinition)& PD,
 113       const Handle(Transfer_TransientProcess)& TP,
 114       const Standard_Boolean theUseTrsf = Standard_False,
 115       const Message_ProgressRange& theProgress = Message_ProgressRange());
 116
 117   //! Transfers next assembly usage occurrence entity
 118   Standard_EXPORT Handle(TransferBRep_ShapeBinder) TransferEntity
 119                    (const Handle(StepRepr_NextAssemblyUsageOccurrence)& NAUO,
 120                     const Handle(Transfer_TransientProcess)& TP,
 121                     const Message_ProgressRange& theProgress = Message_ProgressRange());
 122
 123   //! Transfers shape representation entity
 124   //! theUseTrsf - special flag for using Axis2Placement from ShapeRepresentation for transform root shape
 125   Standard_EXPORT Handle(TransferBRep_ShapeBinder) TransferEntity (
 126       const Handle(StepShape_ShapeRepresentation)& sr,
 127       const Handle(Transfer_TransientProcess)& TP,
 128       Standard_Boolean& isBound,
 129       const Standard_Boolean theUseTrsf = Standard_False,
 130       const Message_ProgressRange& theProgress = Message_ProgressRange());
 131
 132   //! Transfers context dependent shape representation entity
 133   Standard_EXPORT Handle(TransferBRep_ShapeBinder) TransferEntity
 134                    (const Handle(StepShape_ContextDependentShapeRepresentation)& CDSR,
 135                     const Handle(Transfer_TransientProcess)& TP,
 136                     const Message_ProgressRange& theProgress = Message_ProgressRange());
 137
 138   //! Transfers  shape representation relationship entity
 139   //! theUseTrsf - special flag for using Axis2Placement from ShapeRepresentation for transform root shape
 140   Standard_EXPORT Handle(TransferBRep_ShapeBinder) TransferEntity (
 141       const Handle(StepRepr_ShapeRepresentationRelationship)& und,
 142       const Handle(Transfer_TransientProcess)& TP,
 143       const Standard_Integer nbrep = 0,
 144       const Standard_Boolean theUseTrsf = Standard_False,
 145       const Message_ProgressRange& theProgress = Message_ProgressRange());
 146
 147   //! Transfers  geometric representation item entity such as ManifoldSolidBRep ,...etc
 148   Standard_EXPORT Handle(TransferBRep_ShapeBinder) TransferEntity
 149                    (const Handle(StepGeom_GeometricRepresentationItem)& git,
 150                     const Handle(Transfer_TransientProcess)& TP,
 151                     const Standard_Boolean isManifold,
 152                     const Message_ProgressRange& theProgress);
 153
 154   //! Transfers  mapped item
 155   Standard_EXPORT Handle(TransferBRep_ShapeBinder) TransferEntity
 156                    (const Handle(StepRepr_MappedItem)& mapit,
 157                     const Handle(Transfer_TransientProcess)& TP,
 158                     const Message_ProgressRange& theProgress);
 159
 160   //! Transfers  FaceSurface entity
 161   Standard_EXPORT Handle(TransferBRep_ShapeBinder) TransferEntity
 162                    (const Handle(StepShape_FaceSurface)& fs,
 163                     const Handle(Transfer_TransientProcess)& TP,
 164                     const Message_ProgressRange& theProgress);
 165
 166   Handle(TransferBRep_ShapeBinder) TransferEntity( const Handle(StepRepr_ConstructiveGeometryRepresentationRelationship)& theCGRR,
 167     const Handle(Transfer_TransientProcess)& theTP);
 168
 169   //! Translates file by old way when CDSR are roots . Acts only if "read.step.product_mode" is equal Off.
 170   Standard_EXPORT Handle(TransferBRep_ShapeBinder) OldWay
 171                    (const Handle(Standard_Transient)& start,
 172                     const Handle(Transfer_TransientProcess)& TP,
 173                     const Message_ProgressRange& theProgress);
 174
 175
 176
 177 private:
 178
 179
 180   Standard_EXPORT TopoDS_Shell closeIDEASShell (const TopoDS_Shell& shell, const TopTools_ListOfShape& closingShells);
 181
 182   Standard_EXPORT void computeIDEASClosings (const TopoDS_Compound& comp, TopTools_IndexedDataMapOfShapeListOfShape& shellClosingMap);
 183
 184   StepToTopoDS_NMTool myNMTool;
 185   Standard_Real myPrecision;
 186   Standard_Real myMaxTol;
 187   Handle(StepRepr_Representation) mySRContext;
 188
 189
 190 };
 191
 192
 193
 194
 195
 196
 197
 198 #endif // _STEPControl_ActorRead_HeaderFile