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Open CASCADE Technology Reference Manual 8.0.0
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Open CASCADE Technology Reference Manual 8.0.0
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The Surface from BRepAdaptor allows to use a Face of the BRep topology look like a 3D surface. More...
#include <BRepAdaptor_Surface.hxx>
Public Member Functions | |
| BRepAdaptor_Surface () | |
| Creates an undefined surface with no face loaded. | |
| BRepAdaptor_Surface (const TopoDS_Face &F, const bool R=true) | |
| Creates a surface to access the geometry of <F>. If <Restriction> is true the parameter range is the parameter range in the UV space of the restriction. | |
| occ::handle< Adaptor3d_Surface > | ShallowCopy () const override |
| Shallow copy of adaptor. | |
| void | Initialize (const TopoDS_Face &F, const bool Restriction=true) |
| Sets the surface to the geometry of <F>. | |
| const TopoDS_Face & | Face () const |
| Returns the face. | |
| double | Tolerance () const |
| Returns the face tolerance. | |
 Public Member Functions inherited from GeomAdaptor_TransformedSurface | |
| GeomAdaptor_TransformedSurface () | |
| Creates an undefined surface with identity transformation. | |
| GeomAdaptor_TransformedSurface (const occ::handle< Geom_Surface > &theSurface, const gp_Trsf &theTrsf) | |
| Creates a surface adaptor with transformation. | |
| GeomAdaptor_TransformedSurface (const occ::handle< Geom_Surface > &theSurface, const double theUFirst, const double theULast, const double theVFirst, const double theVLast, const gp_Trsf &theTrsf, const double theTolU=0.0, const double theTolV=0.0) | |
| Creates a surface adaptor with transformation and parameter bounds. | |
| occ::handle< Adaptor3d_Surface > | ShallowCopy () const override |
| Shallow copy of adaptor. | |
| void | Load (const occ::handle< Geom_Surface > &theSurface, const gp_Trsf &theTrsf) |
| Loads the surface geometry. | |
| void | Load (const occ::handle< Geom_Surface > &theSurface, const double theUFirst, const double theULast, const double theVFirst, const double theVLast, const gp_Trsf &theTrsf, const double theTolU=0.0, const double theTolV=0.0) |
| Loads the surface geometry with parameter bounds. | |
| void | SetTrsf (const gp_Trsf &theTrsf) |
| Sets the transformation. | |
| bool | HasTrsf () const |
| Returns true if non-identity transformation is applied. | |
| const gp_Trsf & | Trsf () const |
| Returns the transformation. | |
| Use | AdaptorSurfaceOriginal () instead to get the original surface without transformation") const GeomAdaptor_Surface & Surface() const |
| Returns the underlying GeomAdaptor_Surface. | |
| const GeomAdaptor_Surface & | AdaptorSurfaceOriginal () const |
| Returns the underlying original GeomAdaptor_Surface without transformation applied. | |
| const GeomAdaptor_Surface & | AdaptorSurfaceTransformed () const |
| Returns an adaptor for the transformed surface state. Uses the original adaptor for identity transformation to preserve existing trimming. | |
| const occ::handle< Geom_Surface > & | GeomSurfaceOriginal () const |
| Returns the underlying original Geom_Surface without transformation applied. | |
| const occ::handle< Geom_Surface > & | GeomSurfaceTransformed () const |
| Returns the transformed Geom_Surface cached for current state. | |
| const occ::handle< Geom_Surface > & | GeomSurface () const |
| Returns the underlying Geom_Surface. | |
| double | FirstUParameter () const override |
| double | LastUParameter () const override |
| double | FirstVParameter () const override |
| double | LastVParameter () const override |
| GeomAbs_Shape | UContinuity () const override |
| GeomAbs_Shape | VContinuity () const override |
| int | NbUIntervals (const GeomAbs_Shape theS) const override |
| Returns the number of U intervals for continuity | |
| int | NbVIntervals (const GeomAbs_Shape theS) const override |
| Returns the number of V intervals for continuity | |
| void | UIntervals (NCollection_Array1< double > &theT, const GeomAbs_Shape theS) const override |
| Returns the intervals with the requested continuity in the U direction. | |
| void | VIntervals (NCollection_Array1< double > &theT, const GeomAbs_Shape theS) const override |
| Returns the intervals with the requested continuity in the V direction. | |
| occ::handle< Adaptor3d_Surface > | UTrim (const double theFirst, const double theLast, const double theTol) const override |
| Returns a surface trimmed in the U direction equivalent of <me> between parameters <First> and <Last>. <Tol> is used to test for 3d points confusion. If <First> >= <Last> | |
| occ::handle< Adaptor3d_Surface > | VTrim (const double theFirst, const double theLast, const double theTol) const override |
| Returns a surface trimmed in the V direction between parameters <First> and <Last>. <Tol> is used to test for 3d points confusion. If <First> >= <Last> | |
| bool | IsUClosed () const override |
| bool | IsVClosed () const override |
| bool | IsUPeriodic () const override |
| double | UPeriod () const override |
| bool | IsVPeriodic () const override |
| double | VPeriod () const override |
| double | ToleranceU () const |
| Returns tolerance in U direction. | |
| double | ToleranceV () const |
| Returns tolerance in V direction. | |
| gp_Pnt | EvalD0 (const double theU, const double theV) const final |
| Point evaluation. Applies transformation after evaluation. | |
| Geom_Surface::ResD1 | EvalD1 (const double theU, const double theV) const final |
| D1 evaluation. Applies transformation after evaluation. | |
| Geom_Surface::ResD2 | EvalD2 (const double theU, const double theV) const final |
| D2 evaluation. Applies transformation after evaluation. | |
| Geom_Surface::ResD3 | EvalD3 (const double theU, const double theV) const final |
| D3 evaluation. Applies transformation after evaluation. | |
| gp_Vec | EvalDN (const double theU, const double theV, const int theNu, const int theNv) const final |
| DN evaluation. Applies transformation after evaluation. | |
| double | UResolution (const double theR3d) const override |
| Returns the parametric U resolution corresponding to the real space resolution <R3d>. | |
| double | VResolution (const double theR3d) const override |
| Returns the parametric V resolution corresponding to the real space resolution <R3d>. | |
| GeomAbs_SurfaceType | GetType () const override |
| Returns the type of the surface: Plane, Cylinder, Cone, Sphere, Torus, BezierSurface, BSplineSurface, SurfaceOfRevolution, SurfaceOfExtrusion, OtherSurface. | |
| gp_Pln | Plane () const override |
| gp_Cylinder | Cylinder () const override |
| gp_Cone | Cone () const override |
| gp_Sphere | Sphere () const override |
| gp_Torus | Torus () const override |
| int | UDegree () const override |
| int | NbUPoles () const override |
| int | VDegree () const override |
| int | NbVPoles () const override |
| int | NbUKnots () const override |
| int | NbVKnots () const override |
| bool | IsURational () const override |
| bool | IsVRational () const override |
| occ::handle< Geom_BezierSurface > | Bezier () const override |
| occ::handle< Geom_BSplineSurface > | BSpline () const override |
| gp_Ax1 | AxeOfRevolution () const override |
| gp_Dir | Direction () const override |
| occ::handle< Adaptor3d_Curve > | BasisCurve () const override |
| occ::handle< Adaptor3d_Surface > | BasisSurface () const override |
| double | OffsetValue () const override |
| Public Member Functions inherited from Adaptor3d_Surface | |
| gp_Pnt | Value (const double theU, const double theV) const |
| Computes the point of parameters U,V on the surface. Tip: use GeomLib::NormEstim() to calculate surface normal at specified (U, V) point. | |
| void | D0 (const double theU, const double theV, gp_Pnt &theP) const |
| Computes the point of parameters U,V on the surface. | |
| void | D1 (const double theU, const double theV, gp_Pnt &theP, gp_Vec &theD1U, gp_Vec &theD1V) const |
| Computes the point and the first derivatives on the surface. Raised if the continuity of the current intervals is not C1. | |
| void | D2 (const double theU, const double theV, gp_Pnt &theP, gp_Vec &theD1U, gp_Vec &theD1V, gp_Vec &theD2U, gp_Vec &theD2V, gp_Vec &theD2UV) const |
| Computes the point, the first and second derivatives on the surface. Raised if the continuity of the current intervals is not C2. | |
| void | D3 (const double theU, const double theV, gp_Pnt &theP, gp_Vec &theD1U, gp_Vec &theD1V, gp_Vec &theD2U, gp_Vec &theD2V, gp_Vec &theD2UV, gp_Vec &theD3U, gp_Vec &theD3V, gp_Vec &theD3UUV, gp_Vec &theD3UVV) const |
| Computes the point, the first, second and third derivatives on the surface. Raised if the continuity of the current intervals is not C3. | |
| gp_Vec | DN (const double theU, const double theV, const int theNu, const int theNv) const |
| Computes the derivative of order Nu in the direction U and Nv in the direction V at the point P(U, V). Raised if the current U interval is not not CNu and the current V interval is not CNv. Raised if Nu + Nv < 1 or Nu < 0 or Nv < 0. | |
| ~Adaptor3d_Surface () override | |
| Public Member Functions inherited from Standard_Transient | |
| Standard_Transient () | |
| Empty constructor. | |
| Standard_Transient (const Standard_Transient &) | |
| Copy constructor – does nothing. | |
| Standard_Transient & | operator= (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_Transient * | This () 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 char * | get_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. | |
| Protected Member Functions inherited from GeomAdaptor_TransformedSurface | |
| void | invalidateTransformedCache () |
| Invalidates transformed cache for subsequent lazy rebuild. | |
| void | ensureTransformedCache () const |
| Ensures transformed cache is built on demand. Non-thread-safe: mutable cache is initialized in const context without synchronization. | |
| void | initTransformedCache () const |
| Rebuilds transformed geometry for current surface and transformation. Non-thread-safe: invoked by ensureTransformedCache() for lazy initialization. | |
| const GeomAdaptor_Surface & | transformedAdaptor () const |
| Returns an adaptor for the transformed surface state. Uses the original adaptor for identity transformation to preserve existing trimming. | |
| Protected Attributes inherited from GeomAdaptor_TransformedSurface | |
| GeomAdaptor_Surface | mySurf |
| gp_Trsf | myTrsf |
| std::optional< GeomAdaptor_Surface > | myTransformedAdaptor |
The Surface from BRepAdaptor allows to use a Face of the BRep topology look like a 3D surface.
It has the methods of the class Surface from Adaptor3d.
It is created or initialized with a Face. It takes into account the local coordinates system.
The u,v parameter range is the minmax value for the restriction, unless the flag restriction is set to false.
| BRepAdaptor_Surface::BRepAdaptor_Surface | ( | ) |
Creates an undefined surface with no face loaded.
| BRepAdaptor_Surface::BRepAdaptor_Surface | ( | const TopoDS_Face & | F, |
| const bool | R = true ) |
Creates a surface to access the geometry of <F>. If <Restriction> is true the parameter range is the parameter range in the UV space of the restriction.
| const TopoDS_Face & BRepAdaptor_Surface::Face | ( | ) | const |
Returns the face.
| void BRepAdaptor_Surface::Initialize | ( | const TopoDS_Face & | F, |
| const bool | Restriction = true ) |
Sets the surface to the geometry of <F>.
|
overridevirtual |
Shallow copy of adaptor.
Reimplemented from Adaptor3d_Surface.
| double BRepAdaptor_Surface::Tolerance | ( | ) | const |
Returns the face tolerance.
1.10.0