Open CASCADE Technology
7.0.0

Describes functions to build a loft. This is a shell or a solid passing through a set of sections in a given sequence. Usually sections are wires, but the first and the last sections may be vertices (punctual sections). More...
#include <BRepOffsetAPI_ThruSections.hxx>
Public Member Functions  
BRepOffsetAPI_ThruSections (const Standard_Boolean isSolid=Standard_False, const Standard_Boolean ruled=Standard_False, const Standard_Real pres3d=1.0e06)  
Initializes an algorithm for building a shell or a solid passing through a set of sections, where: More...  
void  Init (const Standard_Boolean isSolid=Standard_False, const Standard_Boolean ruled=Standard_False, const Standard_Real pres3d=1.0e06) 
Initializes this algorithm for building a shell or a solid passing through a set of sections, where: More...  
void  AddWire (const TopoDS_Wire &wire) 
Adds the wire wire to the set of sections through which the shell or solid is built. Use the Build function to construct the shape. More...  
void  AddVertex (const TopoDS_Vertex &aVertex) 
Adds the vertex Vertex (punctual section) to the set of sections through which the shell or solid is built. A vertex may be added to the set of sections only as first or last section. At least one wire must be added to the set of sections by the method AddWire. Use the Build function to construct the shape. More...  
void  CheckCompatibility (const Standard_Boolean check=Standard_True) 
Sets/unsets the option to compute origin and orientation on wires to avoid twisted results and update wires to have same number of edges. More...  
void  SetSmoothing (const Standard_Boolean UseSmoothing) 
Define the approximation algorithm. More...  
void  SetParType (const Approx_ParametrizationType ParType) 
Define the type of parametrization used in the approximation. More...  
void  SetContinuity (const GeomAbs_Shape C) 
Define the Continuity used in the approximation. More...  
void  SetCriteriumWeight (const Standard_Real W1, const Standard_Real W2, const Standard_Real W3) 
define the Weights associed to the criterium used in the optimization. More...  
void  SetMaxDegree (const Standard_Integer MaxDeg) 
Define the maximal U degree of result surface. More...  
Approx_ParametrizationType  ParType () const 
returns the type of parametrization used in the approximation More...  
GeomAbs_Shape  Continuity () const 
returns the Continuity used in the approximation More...  
Standard_Integer  MaxDegree () const 
returns the maximal U degree of result surface More...  
Standard_Boolean  UseSmoothing () const 
Define the approximation algorithm. More...  
void  CriteriumWeight (Standard_Real &W1, Standard_Real &W2, Standard_Real &W3) const 
returns the Weights associed to the criterium used in the optimization. More...  
virtual void  Build () override 
This is called by Shape(). It does nothing but may be redefined. More...  
const TopoDS_Shape &  FirstShape () const 
Returns the TopoDS Shape of the bottom of the loft if solid. More...  
const TopoDS_Shape &  LastShape () const 
Returns the TopoDS Shape of the top of the loft if solid. More...  
TopoDS_Shape  GeneratedFace (const TopoDS_Shape &Edge) const 
if Ruled Returns the Face generated by each edge except the last wire if smoothed Returns the Face generated by each edge of the first wire More...  
Public Member Functions inherited from BRepBuilderAPI_MakeShape  
virtual const TopoDS_Shape &  Shape () 
Returns a shape built by the shape construction algorithm. Raises exception StdFail_NotDone if the shape was not built. More...  
operator TopoDS_Shape ()  
virtual const TopTools_ListOfShape &  Generated (const TopoDS_Shape &S) 
Returns the list of shapes generated from the shape <S>. More...  
virtual const TopTools_ListOfShape &  Modified (const TopoDS_Shape &S) 
Returns the list of shapes modified from the shape <S>. More...  
virtual Standard_Boolean  IsDeleted (const TopoDS_Shape &S) 
Returns true if the shape S has been deleted. More...  
Public Member Functions inherited from BRepBuilderAPI_Command  
virtual  ~BRepBuilderAPI_Command () 
virtual Standard_Boolean  IsDone () const 
void  Check () const 
Raises NotDone if done is false. More...  
Additional Inherited Members  
Protected Member Functions inherited from BRepBuilderAPI_MakeShape  
BRepBuilderAPI_MakeShape ()  
Protected Member Functions inherited from BRepBuilderAPI_Command  
BRepBuilderAPI_Command ()  
Set done to False. More...  
void  Done () 
Set done to true. More...  
void  NotDone () 
Set done to false. More...  
Protected Attributes inherited from BRepBuilderAPI_MakeShape  
TopoDS_Shape  myShape 
TopTools_ListOfShape  myGenerated 
Describes functions to build a loft. This is a shell or a solid passing through a set of sections in a given sequence. Usually sections are wires, but the first and the last sections may be vertices (punctual sections).
BRepOffsetAPI_ThruSections::BRepOffsetAPI_ThruSections  (  const Standard_Boolean  isSolid = Standard_False , 
const Standard_Boolean  ruled = Standard_False , 

const Standard_Real  pres3d = 1.0e06 

) 
Initializes an algorithm for building a shell or a solid passing through a set of sections, where:
void BRepOffsetAPI_ThruSections::AddVertex  (  const TopoDS_Vertex &  aVertex  ) 
Adds the vertex Vertex (punctual section) to the set of sections through which the shell or solid is built. A vertex may be added to the set of sections only as first or last section. At least one wire must be added to the set of sections by the method AddWire. Use the Build function to construct the shape.
void BRepOffsetAPI_ThruSections::AddWire  (  const TopoDS_Wire &  wire  ) 
Adds the wire wire to the set of sections through which the shell or solid is built. Use the Build function to construct the shape.

overridevirtual 
This is called by Shape(). It does nothing but may be redefined.
Reimplemented from BRepBuilderAPI_MakeShape.
void BRepOffsetAPI_ThruSections::CheckCompatibility  (  const Standard_Boolean  check = Standard_True  ) 
Sets/unsets the option to compute origin and orientation on wires to avoid twisted results and update wires to have same number of edges.
GeomAbs_Shape BRepOffsetAPI_ThruSections::Continuity  (  )  const 
returns the Continuity used in the approximation
void BRepOffsetAPI_ThruSections::CriteriumWeight  (  Standard_Real &  W1, 
Standard_Real &  W2,  
Standard_Real &  W3  
)  const 
returns the Weights associed to the criterium used in the optimization.
const TopoDS_Shape& BRepOffsetAPI_ThruSections::FirstShape  (  )  const 
Returns the TopoDS Shape of the bottom of the loft if solid.
TopoDS_Shape BRepOffsetAPI_ThruSections::GeneratedFace  (  const TopoDS_Shape &  Edge  )  const 
if Ruled Returns the Face generated by each edge except the last wire if smoothed Returns the Face generated by each edge of the first wire
void BRepOffsetAPI_ThruSections::Init  (  const Standard_Boolean  isSolid = Standard_False , 
const Standard_Boolean  ruled = Standard_False , 

const Standard_Real  pres3d = 1.0e06 

) 
Initializes this algorithm for building a shell or a solid passing through a set of sections, where:
const TopoDS_Shape& BRepOffsetAPI_ThruSections::LastShape  (  )  const 
Returns the TopoDS Shape of the top of the loft if solid.
Standard_Integer BRepOffsetAPI_ThruSections::MaxDegree  (  )  const 
returns the maximal U degree of result surface
Approx_ParametrizationType BRepOffsetAPI_ThruSections::ParType  (  )  const 
returns the type of parametrization used in the approximation
void BRepOffsetAPI_ThruSections::SetContinuity  (  const GeomAbs_Shape  C  ) 
Define the Continuity used in the approximation.
void BRepOffsetAPI_ThruSections::SetCriteriumWeight  (  const Standard_Real  W1, 
const Standard_Real  W2,  
const Standard_Real  W3  
) 
define the Weights associed to the criterium used in the optimization.
if Wi <= 0
void BRepOffsetAPI_ThruSections::SetMaxDegree  (  const Standard_Integer  MaxDeg  ) 
Define the maximal U degree of result surface.
void BRepOffsetAPI_ThruSections::SetParType  (  const Approx_ParametrizationType  ParType  ) 
Define the type of parametrization used in the approximation.
void BRepOffsetAPI_ThruSections::SetSmoothing  (  const Standard_Boolean  UseSmoothing  ) 
Define the approximation algorithm.
Standard_Boolean BRepOffsetAPI_ThruSections::UseSmoothing  (  )  const 
Define the approximation algorithm.