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salome-geom  6.5.0
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GEOMImpl_ScaleDriver Class Reference

#include <GEOMImpl_ScaleDriver.hxx>

List of all members.

Public Member Functions

void * operator new (size_t, void *anAddress)
void * operator new (size_t size)
void operator delete (void *anAddress)
Standard_EXPORT GEOMImpl_ScaleDriver ()
virtual Standard_EXPORT
Standard_Integer 
Execute (TFunction_Logbook &log) const
virtual Standard_EXPORT void Validate (TFunction_Logbook &) const
Standard_EXPORT Standard_Boolean MustExecute (const TFunction_Logbook &) const
Standard_EXPORT ~GEOMImpl_ScaleDriver ()
Standard_EXPORT const Handle (Standard_Type)&DynamicType() const
Standard_EXPORT Standard_Boolean IsKind (const Handle(Standard_Type)&AType) const

Static Public Member Functions

static Standard_EXPORT const
Standard_GUID & 
GetID ()

Friends

Standard_EXPORT friend
Handle_Standard_Type & 
GEOMImpl_ScaleDriver_Type_ ()

Detailed Description

Definition at line 125 of file GEOMImpl_ScaleDriver.hxx.


Constructor & Destructor Documentation

Definition at line 66 of file GEOMImpl_ScaleDriver.cxx.

{
}

Definition at line 149 of file GEOMImpl_ScaleDriver.hxx.

{};

Member Function Documentation

Standard_Integer GEOMImpl_ScaleDriver::Execute ( TFunction_Logbook &  log) const [virtual]

Definition at line 74 of file GEOMImpl_ScaleDriver.cxx.

{
  if (Label().IsNull()) return 0;    
  Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());

  GEOMImpl_IScale aCI (aFunction);
  Standard_Integer aType = aFunction->GetType();

  TopoDS_Shape aShape;

  if (aType == SCALE_SHAPE || aType == SCALE_SHAPE_COPY) {
    Handle(GEOM_Function) aRefShape = aCI.GetShape();
    TopoDS_Shape aShapeBase = aRefShape->GetValue();
    if (aShapeBase.IsNull()) return 0;

    gp_Pnt aP (0,0,0);
    Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
    if (!aRefPoint.IsNull()) {
      TopoDS_Shape aShapePnt = aRefPoint->GetValue();
      if (aShapePnt.IsNull()) return 0;
      if (aShapePnt.ShapeType() != TopAbs_VERTEX) return 0;
      aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
    }

    // Bug 6839: Check for standalone (not included in faces) degenerated edges
    TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
    TopExp::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, aEFMap);
    Standard_Integer i, nbE = aEFMap.Extent();
    for (i = 1; i <= nbE; i++) {
      TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
      if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
        const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
        if (aFaces.IsEmpty())
          Standard_ConstructionError::Raise
            ("Scaling aborted : cannot scale standalone degenerated edge");
      }
    }

    // Perform Scaling
    gp_Trsf aTrsf;
    aTrsf.SetScale(aP, aCI.GetFactor());
    BRepBuilderAPI_Transform aBRepTrsf (aShapeBase, aTrsf, Standard_False);
    aShape = aBRepTrsf.Shape();
  }
  else if (aType == SCALE_SHAPE_AXES || aType == SCALE_SHAPE_AXES_COPY) {
    Handle(GEOM_Function) aRefShape = aCI.GetShape();
    TopoDS_Shape aShapeBase = aRefShape->GetValue();
    if (aShapeBase.IsNull()) return 0;

    bool isP = false;
    gp_Pnt aP (0,0,0);
    Handle(GEOM_Function) aRefPoint = aCI.GetPoint();
    if (!aRefPoint.IsNull()) {
      TopoDS_Shape aShapePnt = aRefPoint->GetValue();
      if (aShapePnt.IsNull()) return 0;
      if (aShapePnt.ShapeType() != TopAbs_VERTEX) return 0;
      aP = BRep_Tool::Pnt(TopoDS::Vertex(aShapePnt));
      isP = true;
    }

    // Bug 6839: Check for standalone (not included in faces) degenerated edges
    TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
    TopExp::MapShapesAndAncestors(aShapeBase, TopAbs_EDGE, TopAbs_FACE, aEFMap);
    Standard_Integer i, nbE = aEFMap.Extent();
    for (i = 1; i <= nbE; i++) {
      TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
      if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
        const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
        if (aFaces.IsEmpty())
          Standard_ConstructionError::Raise
            ("Scaling aborted : cannot scale standalone degenerated edge");
      }
    }

    // Perform Scaling
    gp_GTrsf aGTrsf;
    gp_Mat rot (aCI.GetFactorX(), 0, 0,
                0, aCI.GetFactorY(), 0,
                0, 0, aCI.GetFactorZ());
    aGTrsf.SetVectorialPart(rot);

    if (isP) {
      gp_Pnt anO (0,0,0);
      if (anO.Distance(aP) > Precision::Confusion()) {
        gp_GTrsf aGTrsfP0;
        aGTrsfP0.SetTranslationPart(anO.XYZ() - aP.XYZ());
        gp_GTrsf aGTrsf0P;
        aGTrsf0P.SetTranslationPart(aP.XYZ());
        //aGTrsf = aGTrsf0P * aGTrsf * aGTrsfP0;
        aGTrsf = aGTrsf0P.Multiplied(aGTrsf);
        aGTrsf = aGTrsf.Multiplied(aGTrsfP0);
      }
    }

    BRepBuilderAPI_GTransform aBRepGTrsf (aShapeBase, aGTrsf, Standard_False);
    if (!aBRepGTrsf.IsDone())
      Standard_ConstructionError::Raise("Scaling not done");
    aShape = aBRepGTrsf.Shape();
  }
  else {
  }

  if (aShape.IsNull()) return 0;

  BRepCheck_Analyzer ana (aShape, Standard_False);
  if (!ana.IsValid()) {
    ShapeFix_ShapeTolerance aSFT;
    aSFT.LimitTolerance(aShape,Precision::Confusion(),Precision::Confusion());
    Handle(ShapeFix_Shape) aSfs = new ShapeFix_Shape(aShape);
    aSfs->SetPrecision(Precision::Confusion());
    aSfs->Perform();
    aShape = aSfs->Shape();

    ana.Init(aShape, Standard_False);
    if (!ana.IsValid())
      Standard_ConstructionError::Raise("Scaling aborted : algorithm has produced an invalid shape result");
  }

  aFunction->SetValue(aShape);

  log.SetTouched(Label()); 

  return 1;    
}

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const Standard_GUID & GEOMImpl_ScaleDriver::GetID ( ) [static]

Definition at line 55 of file GEOMImpl_ScaleDriver.cxx.

{
  static Standard_GUID aScaleDriver("FF1BBB52-5D14-4df2-980B-3A668264EA16");
  return aScaleDriver; 
}
Standard_EXPORT const GEOMImpl_ScaleDriver::Handle ( Standard_Type  ) const [inline]

Definition at line 155 of file GEOMImpl_ScaleDriver.hxx.

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Standard_EXPORT Standard_Boolean GEOMImpl_ScaleDriver::IsKind ( const Handle(Standard_Type)&  AType) const [inline]

Definition at line 156 of file GEOMImpl_ScaleDriver.hxx.

{ return (STANDARD_TYPE(GEOMImpl_ScaleDriver) == AType || TFunction_Driver::IsKind(AType)); } 

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Standard_EXPORT Standard_Boolean GEOMImpl_ScaleDriver::MustExecute ( const TFunction_Logbook &  ) const [inline]

Definition at line 147 of file GEOMImpl_ScaleDriver.hxx.

{ return Standard_True; }
void GEOMImpl_ScaleDriver::operator delete ( void *  anAddress) [inline]

Definition at line 137 of file GEOMImpl_ScaleDriver.hxx.

      { 
        if (anAddress) Standard::Free((Standard_Address&)anAddress); 
      }
void* GEOMImpl_ScaleDriver::operator new ( size_t  ,
void *  anAddress 
) [inline]

Definition at line 129 of file GEOMImpl_ScaleDriver.hxx.

      {
        return anAddress;
      }
void* GEOMImpl_ScaleDriver::operator new ( size_t  size) [inline]

Definition at line 133 of file GEOMImpl_ScaleDriver.hxx.

      { 
        return Standard::Allocate(size); 
      }
virtual Standard_EXPORT void GEOMImpl_ScaleDriver::Validate ( TFunction_Logbook &  ) const [inline, virtual]

Definition at line 146 of file GEOMImpl_ScaleDriver.hxx.

{}

Friends And Related Function Documentation

Standard_EXPORT friend Handle_Standard_Type& GEOMImpl_ScaleDriver_Type_ ( ) [friend]

Definition at line 204 of file GEOMImpl_ScaleDriver.cxx.

{

  static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
  if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
  static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
  if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared); 
  static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
  if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
 

  static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
  static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_ScaleDriver",
                                                         sizeof(GEOMImpl_ScaleDriver),
                                                         1,
                                                         (Standard_Address)_Ancestors,
                                                         (Standard_Address)NULL);

  return _aType;
}

The documentation for this class was generated from the following files: