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salome-geom  6.5.0
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GEOMImpl_PrismDriver Class Reference

#include <GEOMImpl_PrismDriver.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_PrismDriver ()
Standard_EXPORT ~GEOMImpl_PrismDriver ()
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 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 ()
static Standard_EXPORT TopoDS_Shape MakeScaledPrism (const TopoDS_Shape &theShapeBase, const gp_Vec &theVector, const Standard_Real theScaleFactor, const gp_Pnt &theCDG=gp::Origin(), bool isCDG=false)
static Standard_EXPORT TopoDS_Shape MakeDraftPrism (const TopoDS_Shape &theInitShape, const TopoDS_Shape &theBaseShape, const Standard_Real theHeight, const Standard_Real theAngle, bool isProtrusion, const TopoDS_Shape &theSupport)

Friends

Standard_EXPORT friend
Handle_Standard_Type & 
GEOMImpl_PrismDriver_Type_ ()

Detailed Description

Definition at line 129 of file GEOMImpl_PrismDriver.hxx.


Constructor & Destructor Documentation

Definition at line 88 of file GEOMImpl_PrismDriver.cxx.

{
}

Definition at line 149 of file GEOMImpl_PrismDriver.hxx.

{};

Member Function Documentation

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

Definition at line 96 of file GEOMImpl_PrismDriver.cxx.

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

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

  TopoDS_Shape aShape;

  if (aType == PRISM_BASE_VEC_H || aType == PRISM_BASE_VEC_H_2WAYS) {
    Handle(GEOM_Function) aRefBase = aCI.GetBase();
    Handle(GEOM_Function) aRefVector = aCI.GetVector();
    TopoDS_Shape aShapeBase = aRefBase->GetValue();
    TopoDS_Shape aShapeVec = aRefVector->GetValue();
    if (aShapeVec.ShapeType() == TopAbs_EDGE) {
      TopoDS_Edge anE = TopoDS::Edge(aShapeVec);
      TopoDS_Vertex V1, V2;
      TopExp::Vertices(anE, V1, V2, Standard_True);
      if (!V1.IsNull() && !V2.IsNull()) {
        gp_Vec aV (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
        if (Abs(aCI.GetH()) < Precision::Confusion()) {
          Standard_ConstructionError::Raise("Absolute value of prism height is too small");
        }
        if (aV.Magnitude() > Precision::Confusion()) {
          aV.Normalize();
          if (aType != PRISM_BASE_DXDYDZ_2WAYS && aCI.GetScale() > Precision::Confusion()) {
            aShape = MakeScaledPrism(aShapeBase, aV * aCI.GetH(), aCI.GetScale());
          }
          else {
            if (aType == PRISM_BASE_VEC_H_2WAYS) {
              gp_Trsf aTrsf;
              aTrsf.SetTranslation((-aV) * aCI.GetH());
              BRepBuilderAPI_Transform aTransformation(aShapeBase, aTrsf, Standard_False);
              aShapeBase = aTransformation.Shape();
              aCI.SetH(aCI.GetH()*2);
            }
            aShape = BRepPrimAPI_MakePrism(aShapeBase, aV * aCI.GetH(), Standard_False).Shape();
          }
        }
      }
    }
  } else if (aType == PRISM_BASE_TWO_PNT || aType == PRISM_BASE_TWO_PNT_2WAYS) {
    Handle(GEOM_Function) aRefBase = aCI.GetBase();
    Handle(GEOM_Function) aRefPnt1 = aCI.GetFirstPoint();
    Handle(GEOM_Function) aRefPnt2 = aCI.GetLastPoint();
    TopoDS_Shape aShapeBase = aRefBase->GetValue();
    TopoDS_Shape aShapePnt1 = aRefPnt1->GetValue();
    TopoDS_Shape aShapePnt2 = aRefPnt2->GetValue();
    if (aShapePnt1.ShapeType() == TopAbs_VERTEX &&
        aShapePnt2.ShapeType() == TopAbs_VERTEX) {
      TopoDS_Vertex V1 = TopoDS::Vertex(aShapePnt1);
      TopoDS_Vertex V2 = TopoDS::Vertex(aShapePnt2);
      if (!V1.IsNull() && !V2.IsNull()) {
        gp_Vec aV (BRep_Tool::Pnt(V1), BRep_Tool::Pnt(V2));
        if (aV.Magnitude() > gp::Resolution()) {
          if (aType != PRISM_BASE_DXDYDZ_2WAYS && aCI.GetScale() > Precision::Confusion()) {
            aShape = MakeScaledPrism(aShapeBase, aV, aCI.GetScale());
          }
          else {
            if (aType == PRISM_BASE_TWO_PNT_2WAYS) {
              gp_Trsf aTrsf;
              aTrsf.SetTranslation(-aV);
              BRepBuilderAPI_Transform aTransformation(aShapeBase, aTrsf, Standard_False);
              aShapeBase = aTransformation.Shape();
              aV = aV * 2;
            }
            aShape = BRepPrimAPI_MakePrism(aShapeBase, aV, Standard_False).Shape();
          }
        }
      }
    }
  } else if (aType == PRISM_BASE_DXDYDZ || aType == PRISM_BASE_DXDYDZ_2WAYS) {
    Handle(GEOM_Function) aRefBase = aCI.GetBase();
    TopoDS_Shape aShapeBase = aRefBase->GetValue();
    gp_Vec aV (aCI.GetDX(), aCI.GetDY(), aCI.GetDZ());
    if (aV.Magnitude() > gp::Resolution()) {
      if (aType != PRISM_BASE_DXDYDZ_2WAYS && aCI.GetScale() > Precision::Confusion()) {
        aShape = MakeScaledPrism(aShapeBase, aV, aCI.GetScale());
      }
      else {
        if (aType == PRISM_BASE_DXDYDZ_2WAYS) {
          gp_Trsf aTrsf;
          aTrsf.SetTranslation(-aV);
          BRepBuilderAPI_Transform aTransformation(aShapeBase, aTrsf, Standard_False);
          aShapeBase = aTransformation.Shape();
          aV = aV * 2;
        }
        aShape = BRepPrimAPI_MakePrism(aShapeBase, aV, Standard_False).Shape();
      }
    }
  }
  
  else if (aType == DRAFT_PRISM_FEATURE) {
    Handle(GEOM_Function) aRefInit = aCI.GetInitShape();
    Handle(GEOM_Function) aRefBase = aCI.GetBase();   
    TopoDS_Shape anInitShape = aRefInit->GetValue();        // Initial shape
    TopoDS_Shape aSketch     = aRefBase->GetValue();  
    Standard_Real aHeight    = aCI.GetH();                  // Height of the extrusion
    Standard_Real anAngle    = aCI.GetDraftAngle();         // Draft angle
    Standard_Boolean isProtrusion = (aCI.GetFuseFlag()==1); 
    // Flag to know wether the feature is a protrusion (fuse) or a depression (cut)
    
    // history of the Base wire (RefBase)
    Handle(GEOM_Object) aSuppObj;
    TDF_LabelSequence aLabelSeq;
    aRefBase->GetDependency(aLabelSeq);
    
    // If the base wire has only one dependency we use it
    // to determine the right normal of the face which
    // must be oriented towards outside of the solid (like the support face)
    if (aLabelSeq.Length()==1)  
    {
      TDF_Label anArgumentRefLabel = aLabelSeq.Value(1);
      aSuppObj = GEOM_Object::GetReferencedObject(anArgumentRefLabel);   
    }
    
    TopoDS_Shape aSupport;
    
    if(!aSuppObj.IsNull())      // If the wire has a support
      aSupport = aSuppObj->GetValue();
    
    aShape = MakeDraftPrism(anInitShape, aSketch, aHeight, anAngle, isProtrusion, aSupport); 
  }

  if (aShape.IsNull()) return 0;
  
  
  if (aType == DRAFT_PRISM_FEATURE)
  {
    TopoDS_Shape aRes = aShape;
    
    // If the result is a compound with only one solid,
    // return the solid
    if (aShape.ShapeType() == TopAbs_COMPOUND)  
    {
      TopExp_Explorer anExp(aShape, TopAbs_SOLID);
      
      int solidNb = 0;
      TopoDS_Solid aSolid;
      
      for(;anExp.More();anExp.Next())
      {
        aSolid = TopoDS::Solid(anExp.Current());
        solidNb++;
        if (solidNb > 1)
          break;
      }
      if (solidNb == 1)
        aRes = aSolid;
    } 
    
    aFunction->SetValue(aRes);
  }
  else
  {
    TopoDS_Shape aRes = GEOMImpl_IShapesOperations::CompsolidToCompound(aShape);
    aFunction->SetValue(aRes);
  }
  

  log.SetTouched(Label());

  return 1;
}

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

Definition at line 77 of file GEOMImpl_PrismDriver.cxx.

{
  static Standard_GUID aPrismDriver("FF1BBB17-5D14-4df2-980B-3A668264EA16");
  return aPrismDriver;
}
Standard_EXPORT const GEOMImpl_PrismDriver::Handle ( Standard_Type  ) const [inline]

Definition at line 173 of file GEOMImpl_PrismDriver.hxx.

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

Definition at line 174 of file GEOMImpl_PrismDriver.hxx.

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

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TopoDS_Shape GEOMImpl_PrismDriver::MakeDraftPrism ( const TopoDS_Shape &  theInitShape,
const TopoDS_Shape &  theBaseShape,
const Standard_Real  theHeight,
const Standard_Real  theAngle,
bool  isProtrusion,
const TopoDS_Shape &  theSupport 
) [static]

Definition at line 407 of file GEOMImpl_PrismDriver.cxx.

{
  TopoDS_Shape aShape;
  
  if (theInitShape.ShapeType() == TopAbs_COMPOUND)
    {
      TopExp_Explorer anExp(theInitShape, TopAbs_SOLID);
      int solidCount = 0;
      for(;anExp.More();anExp.Next())
      {
        solidCount++;
        if (solidCount > 1)
          Standard_ConstructionError::Raise("The input shape is a compound with more than one solid");
      }
      if (solidCount == 0)
        Standard_ConstructionError::Raise("The input shape is a compound without any solid");
    }
    
    TopoDS_Wire aWire = TopoDS_Wire();
    
    if (theBaseShape.ShapeType() == TopAbs_EDGE)
    {
      aWire = BRepBuilderAPI_MakeWire(TopoDS::Edge(theBaseShape));
    }
    else if (theBaseShape.ShapeType() == TopAbs_WIRE)
    {
      aWire = TopoDS::Wire(theBaseShape);
    }
    else
    {
      Standard_ConstructionError::Raise("The input profile is neither a wire, nor edge");
    }
    
    TopoDS_Vertex aV1, aV2;
    TopExp::Vertices(aWire, aV1, aV2);
    if ( !aV1.IsNull() && !aV2.IsNull() && aV1.IsSame(aV2) )
      aWire.Closed( true );
    
    if (!aWire.Closed())
      Standard_ConstructionError::Raise("The input profile is not closed");
    
    // Construction of the face if the wire hasn't any support face
    TopoDS_Face aFaceBase = BRepBuilderAPI_MakeFace(aWire);

    if(!theSupport.IsNull() && theSupport.ShapeType() == TopAbs_FACE)      // If the wire has a support
    {
      Handle(Geom_Surface) aSurf = BRep_Tool::Surface(TopoDS::Face(theSupport));
      TopoDS_Face aTempFace = BRepBuilderAPI_MakeFace(aSurf, aWire);
      
      if(aTempFace.Orientation() != TopoDS::Face(theSupport).Orientation())
      {
        aFaceBase=TopoDS::Face(aTempFace.Reversed());
      }
      else
        aFaceBase=aTempFace;
    } 
    
    // Invert height and angle if the operation is an extruded cut
    bool invert = !isProtrusion; 
    
    // If the face has a reversed orientation invert for extruded boss operations
    if(aFaceBase.Orientation() == TopAbs_REVERSED)
      invert = isProtrusion;

    Standard_Real anAngle = theAngle;
    Standard_Real aHeight = theHeight;
    if(invert)
    {
      anAngle  = -theAngle;  // Invert angle and height
      aHeight  = -theHeight;
    }
    
    BRepFeat_MakeDPrism aPrism(theInitShape, aFaceBase, TopoDS_Face(),
                              anAngle*M_PI/180., isProtrusion, Standard_True); 
    
    aPrism.Perform(aHeight);
    aPrism.Check();          // Raises NotDone if done is false
    
    aShape = aPrism.Shape();
    
    return aShape;
}

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TopoDS_Shape GEOMImpl_PrismDriver::MakeScaledPrism ( const TopoDS_Shape &  theShapeBase,
const gp_Vec &  theVector,
const Standard_Real  theScaleFactor,
const gp_Pnt &  theCDG = gp::Origin(),
bool  isCDG = false 
) [static]

Definition at line 266 of file GEOMImpl_PrismDriver.cxx.

{
  TopoDS_Shape aShape;
  BRep_Builder B;

  // 1. aCDG = geompy.MakeCDG(theBase)
  gp_Pnt aCDG = theCDG;
  if (!isCDG) {
    gp_Ax3 aPos = GEOMImpl_IMeasureOperations::GetPosition(theShapeBase);
    aCDG = aPos.Location();
  }
  TopoDS_Shape aShapeCDG_1 = BRepBuilderAPI_MakeVertex(aCDG).Shape();

  // Process case of several given shapes
  if (theShapeBase.ShapeType() == TopAbs_COMPOUND ||
      theShapeBase.ShapeType() == TopAbs_SHELL) {
    int nbSub = 0;
    TopoDS_Shape aShapeI;
    TopoDS_Compound aCompound;
    B.MakeCompound(aCompound);
    TopoDS_Iterator It (theShapeBase, Standard_True, Standard_True);
    for (; It.More(); It.Next()) {
      nbSub++;
      aShapeI = MakeScaledPrism(It.Value(), theVector, theScaleFactor, aCDG, true);
      B.Add(aCompound, aShapeI);
    }
    if (nbSub == 1)
      aShape = aShapeI;
    else if (nbSub > 1)
      aShape = GEOMImpl_GlueDriver::GlueFaces(aCompound, Precision::Confusion(), Standard_True);
    return aShape;
  }

  // 2. Scale = geompy.MakeScaleTransform(theBase, aCDG, theScaleFactor)

  // Bug 6839: Check for standalone (not included in faces) degenerated edges
  TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
  TopExp::MapShapesAndAncestors(theShapeBase, 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(aCDG, theScaleFactor);
  BRepBuilderAPI_Transform aBRepTrsf (theShapeBase, aTrsf, Standard_False);
  TopoDS_Shape aScale = aBRepTrsf.Shape();

  // 3. aBase2 = geompy.MakeTranslationVectorDistance(Scale, theVec, theH)
  gp_Trsf aTrsf3;
  aTrsf3.SetTranslation(theVector);
  TopLoc_Location aLocOrig = aScale.Location();
  gp_Trsf aTrsfOrig = aLocOrig.Transformation();
  TopLoc_Location aLocRes (aTrsf3 * aTrsfOrig);
  TopoDS_Shape aBase2 = aScale.Located(aLocRes);

  // 4. aCDG_2 = geompy.MakeTranslationVectorDistance(aCDG, theVec, theH)
  gp_Pnt aCDG_2 = aCDG.Translated(theVector);
  TopoDS_Shape aShapeCDG_2 = BRepBuilderAPI_MakeVertex(aCDG_2).Shape();

  // 5. Vector = geompy.MakeVector(aCDG, aCDG_2)
  TopoDS_Shape aShapeVec = BRepBuilderAPI_MakeEdge(aCDG, aCDG_2).Shape();
  TopoDS_Edge anEdge = TopoDS::Edge(aShapeVec);
  TopoDS_Wire aWirePath = BRepBuilderAPI_MakeWire(anEdge);

  // 6. aPrism = geompy.MakePipeWithDifferentSections([theBase, aBase2], [aCDG, aCDG_2], Vector, False, False)
  Handle(TopTools_HSequenceOfShape) aBases = new TopTools_HSequenceOfShape;
  aBases->Append(theShapeBase);
  aBases->Append(aBase2);

  Handle(TopTools_HSequenceOfShape) aLocs = new TopTools_HSequenceOfShape;
  aLocs->Append(aShapeCDG_1);
  aLocs->Append(aShapeCDG_2);

  aShape = GEOMImpl_PipeDriver::CreatePipeWithDifferentSections(aWirePath, aBases, aLocs, false, false);

  // 7. Make a solid, if possible
  if (theShapeBase.ShapeType() == TopAbs_FACE) {
    BRepBuilderAPI_Sewing aSewing (Precision::Confusion()*10.0);
    TopExp_Explorer expF (aShape, TopAbs_FACE);
    Standard_Integer ifa = 0;
    for (; expF.More(); expF.Next()) {
      aSewing.Add(expF.Current());
      ifa++;
    }
    if (ifa > 0) {
      aSewing.Perform();
      TopoDS_Shape aShell;

      TopoDS_Shape sh = aSewing.SewedShape();
      if (sh.ShapeType() == TopAbs_FACE && ifa == 1) {
        // case for creation of shell from one face
        TopoDS_Shell ss;
        B.MakeShell(ss);
        B.Add(ss,sh);
        aShell = ss;
      }
      else {
        TopExp_Explorer exp (sh, TopAbs_SHELL);
        Standard_Integer ish = 0;
        for (; exp.More(); exp.Next()) {
          aShell = exp.Current();
          ish++;
        }
        if (ish != 1)
          aShell = sh;
      }
      BRepCheck_Shell chkShell (TopoDS::Shell(aShell));
      if (chkShell.Closed() == BRepCheck_NoError) {
        TopoDS_Solid Sol;
        B.MakeSolid(Sol);
        B.Add(Sol, aShell);
        BRepClass3d_SolidClassifier SC (Sol);
        SC.PerformInfinitePoint(Precision::Confusion());
        if (SC.State() == TopAbs_IN) {
          B.MakeSolid(Sol);
          B.Add(Sol, aShell.Reversed());
        }
        aShape = Sol;
      }
    }
  }

  return aShape;
}

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

Definition at line 153 of file GEOMImpl_PrismDriver.hxx.

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

Definition at line 141 of file GEOMImpl_PrismDriver.hxx.

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

Definition at line 133 of file GEOMImpl_PrismDriver.hxx.

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

Definition at line 137 of file GEOMImpl_PrismDriver.hxx.

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

Definition at line 152 of file GEOMImpl_PrismDriver.hxx.

{}

Friends And Related Function Documentation

Standard_EXPORT friend Handle_Standard_Type& GEOMImpl_PrismDriver_Type_ ( ) [friend]

Definition at line 500 of file GEOMImpl_PrismDriver.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_PrismDriver",
                                                         sizeof(GEOMImpl_PrismDriver),
                                                         1,
                                                         (Standard_Address)_Ancestors,
                                                         (Standard_Address)NULL);

  return _aType;
}

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