Open CASCADE Technology Reference Manual 8.0.0
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Public Member Functions
ShapeCustom_TrsfModification Class Reference

Complements BRepTools_TrsfModification to provide reversible scaling regarding tolerances. Uses actual tolerances (attached to the shapes) not ones returned by BRep_Tool::Tolerance to work with tolerances lower than Precision::Confusion. More...

#include <ShapeCustom_TrsfModification.hxx>

Inheritance diagram for ShapeCustom_TrsfModification:
Inheritance graph
[legend]

Public Member Functions

 ShapeCustom_TrsfModification (const gp_Trsf &T)
 Empty constructor.
 
bool NewSurface (const TopoDS_Face &F, occ::handle< Geom_Surface > &S, TopLoc_Location &L, double &Tol, bool &RevWires, bool &RevFace) override
 Calls inherited method. Sets <Tol> as actual tolerance of <F> multiplied with scale factor.
 
bool NewCurve (const TopoDS_Edge &E, occ::handle< Geom_Curve > &C, TopLoc_Location &L, double &Tol) override
 Calls inherited method. Sets <Tol> as actual tolerance of <E> multiplied with scale factor.
 
bool NewPoint (const TopoDS_Vertex &V, gp_Pnt &P, double &Tol) override
 Calls inherited method. Sets <Tol> as actual tolerance of <V> multiplied with scale factor.
 
bool NewCurve2d (const TopoDS_Edge &E, const TopoDS_Face &F, const TopoDS_Edge &NewE, const TopoDS_Face &NewF, occ::handle< Geom2d_Curve > &C, double &Tol) override
 Calls inherited method. Sets <Tol> as actual tolerance of <E> multiplied with scale factor.
 
bool NewParameter (const TopoDS_Vertex &V, const TopoDS_Edge &E, double &P, double &Tol) override
 Calls inherited method. Sets <Tol> as actual tolerance of <V> multiplied with scale factor.
 
- Public Member Functions inherited from BRepTools_TrsfModification
 BRepTools_TrsfModification (const gp_Trsf &T)
 
gp_TrsfTrsf ()
 Provides access to the gp_Trsf associated with this modification. The transformation can be changed.
 
boolIsCopyMesh ()
 Sets a flag to indicate the need to copy mesh.
 
bool NewTriangulation (const TopoDS_Face &F, occ::handle< Poly_Triangulation > &T) override
 Returns true if the face has been modified according to changed triangulation. If the face has been modified:
 
bool NewPolygon (const TopoDS_Edge &E, occ::handle< Poly_Polygon3D > &P) override
 Returns true if the edge has been modified according to changed polygon. If the edge has been modified:
 
bool NewPolygonOnTriangulation (const TopoDS_Edge &E, const TopoDS_Face &F, occ::handle< Poly_PolygonOnTriangulation > &P) override
 Returns true if the edge has been modified according to changed polygon on triangulation. If the edge has been modified:
 
GeomAbs_Shape Continuity (const TopoDS_Edge &E, const TopoDS_Face &F1, const TopoDS_Face &F2, const TopoDS_Edge &NewE, const TopoDS_Face &NewF1, const TopoDS_Face &NewF2) override
 Returns the continuity of <NewE> between <NewF1> and <NewF2>.
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor.
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing.
 
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter.
 
virtual ~Standard_Transient ()=default
 Destructor must be virtual.
 
virtual const opencascade::handle< Standard_Type > & DynamicType () const
 Returns a type descriptor about this object.
 
bool IsInstance (const opencascade::handle< Standard_Type > &theType) const
 Returns a true value if this is an instance of Type.
 
bool IsInstance (const char *const theTypeName) const
 Returns a true value if this is an instance of TypeName.
 
bool IsKind (const opencascade::handle< Standard_Type > &theType) const
 Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism.
 
bool IsKind (const char *const theTypeName) const
 Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism.
 
Standard_TransientThis () const
 Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero.
 
int GetRefCount () const noexcept
 Get the reference counter of this object.
 
void IncrementRefCounter () noexcept
 Increments the reference counter of this object. Uses relaxed memory ordering since incrementing only requires atomicity, not synchronization with other memory operations.
 
int DecrementRefCounter () noexcept
 Decrements the reference counter of this object; returns the decremented value. Uses release ordering for the decrement to ensure all writes to the object are visible before the count reaches zero. An acquire fence is added only when the count reaches zero, ensuring proper synchronization before deletion. This is more efficient than using acq_rel for every decrement.
 
virtual void Delete () const
 Memory deallocator for transient classes.
 

Additional Inherited Members

- Public Types inherited from Standard_Transient
typedef void base_type
 Returns a type descriptor about this object.
 
- Static Public Member Functions inherited from Standard_Transient
static constexpr const charget_type_name ()
 Returns a type descriptor about this object.
 
static const opencascade::handle< Standard_Type > & get_type_descriptor ()
 Returns type descriptor of Standard_Transient class.
 

Detailed Description

Complements BRepTools_TrsfModification to provide reversible scaling regarding tolerances. Uses actual tolerances (attached to the shapes) not ones returned by BRep_Tool::Tolerance to work with tolerances lower than Precision::Confusion.

Constructor & Destructor Documentation

◆ ShapeCustom_TrsfModification()

ShapeCustom_TrsfModification::ShapeCustom_TrsfModification ( const gp_Trsf & T)

Empty constructor.

Member Function Documentation

◆ NewCurve()

bool ShapeCustom_TrsfModification::NewCurve ( const TopoDS_Edge & E,
occ::handle< Geom_Curve > & C,
TopLoc_Location & L,
double & Tol )
overridevirtual

Calls inherited method. Sets <Tol> as actual tolerance of <E> multiplied with scale factor.

Reimplemented from BRepTools_TrsfModification.

◆ NewCurve2d()

bool ShapeCustom_TrsfModification::NewCurve2d ( const TopoDS_Edge & E,
const TopoDS_Face & F,
const TopoDS_Edge & NewE,
const TopoDS_Face & NewF,
occ::handle< Geom2d_Curve > & C,
double & Tol )
overridevirtual

Calls inherited method. Sets <Tol> as actual tolerance of <E> multiplied with scale factor.

Reimplemented from BRepTools_TrsfModification.

◆ NewParameter()

bool ShapeCustom_TrsfModification::NewParameter ( const TopoDS_Vertex & V,
const TopoDS_Edge & E,
double & P,
double & Tol )
overridevirtual

Calls inherited method. Sets <Tol> as actual tolerance of <V> multiplied with scale factor.

Reimplemented from BRepTools_TrsfModification.

◆ NewPoint()

bool ShapeCustom_TrsfModification::NewPoint ( const TopoDS_Vertex & V,
gp_Pnt & P,
double & Tol )
overridevirtual

Calls inherited method. Sets <Tol> as actual tolerance of <V> multiplied with scale factor.

Reimplemented from BRepTools_TrsfModification.

◆ NewSurface()

bool ShapeCustom_TrsfModification::NewSurface ( const TopoDS_Face & F,
occ::handle< Geom_Surface > & S,
TopLoc_Location & L,
double & Tol,
bool & RevWires,
bool & RevFace )
overridevirtual

Calls inherited method. Sets <Tol> as actual tolerance of <F> multiplied with scale factor.

Reimplemented from BRepTools_TrsfModification.


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