Open CASCADE Technology  7.4.1.dev
Public Member Functions
GeomEvaluator_Surface Class Referenceabstract

Interface for calculation of values and derivatives for different kinds of surfaces. Works both with adaptors and surfaces. More...

#include <GeomEvaluator_Surface.hxx>

Inheritance diagram for GeomEvaluator_Surface:
Inheritance graph
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Public Member Functions

 GeomEvaluator_Surface ()
 
virtual void D0 (const Standard_Real theU, const Standard_Real theV, gp_Pnt &theValue) const =0
 Value of surface. More...
 
virtual void D1 (const Standard_Real theU, const Standard_Real theV, gp_Pnt &theValue, gp_Vec &theD1U, gp_Vec &theD1V) const =0
 Value and first derivatives of surface. More...
 
virtual void D2 (const Standard_Real theU, const Standard_Real theV, gp_Pnt &theValue, gp_Vec &theD1U, gp_Vec &theD1V, gp_Vec &theD2U, gp_Vec &theD2V, gp_Vec &theD2UV) const =0
 Value, first and second derivatives of surface. More...
 
virtual void D3 (const Standard_Real theU, const Standard_Real theV, gp_Pnt &theValue, 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 =0
 Value, first, second and third derivatives of surface. More...
 
virtual gp_Vec DN (const Standard_Real theU, const Standard_Real theV, const Standard_Integer theDerU, const Standard_Integer theDerV) const =0
 Calculates N-th derivatives of surface, where N = theDerU + theDerV. More...
 
- Public Member Functions inherited from Standard_Transient
 Standard_Transient ()
 Empty constructor. More...
 
 Standard_Transient (const Standard_Transient &)
 Copy constructor – does nothing. More...
 
Standard_Transientoperator= (const Standard_Transient &)
 Assignment operator, needed to avoid copying reference counter. More...
 
virtual ~Standard_Transient ()
 Destructor must be virtual. More...
 
virtual void Delete () const
 Memory deallocator for transient classes. More...
 
virtual const opencascade::handle< Standard_Type > & DynamicType () const
 Returns a type descriptor about this object. More...
 
Standard_Boolean IsInstance (const opencascade::handle< Standard_Type > &theType) const
 Returns a true value if this is an instance of Type. More...
 
Standard_Boolean IsInstance (const Standard_CString theTypeName) const
 Returns a true value if this is an instance of TypeName. More...
 
Standard_Boolean 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. More...
 
Standard_Boolean IsKind (const Standard_CString 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. More...
 
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. More...
 
Standard_Integer GetRefCount () const
 Get the reference counter of this object. More...
 
void IncrementRefCounter () const
 Increments the reference counter of this object. More...
 
Standard_Integer DecrementRefCounter () const
 Decrements the reference counter of this object; returns the decremented value. More...
 

Additional Inherited Members

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

Detailed Description

Interface for calculation of values and derivatives for different kinds of surfaces. Works both with adaptors and surfaces.

Constructor & Destructor Documentation

◆ GeomEvaluator_Surface()

GeomEvaluator_Surface::GeomEvaluator_Surface ( )
inline

Member Function Documentation

◆ D0()

virtual void GeomEvaluator_Surface::D0 ( const Standard_Real  theU,
const Standard_Real  theV,
gp_Pnt theValue 
) const
pure virtual

◆ D1()

virtual void GeomEvaluator_Surface::D1 ( const Standard_Real  theU,
const Standard_Real  theV,
gp_Pnt theValue,
gp_Vec theD1U,
gp_Vec theD1V 
) const
pure virtual

Value and first derivatives of surface.

Implemented in GeomEvaluator_SurfaceOfRevolution, GeomEvaluator_OffsetSurface, and GeomEvaluator_SurfaceOfExtrusion.

◆ D2()

virtual void GeomEvaluator_Surface::D2 ( const Standard_Real  theU,
const Standard_Real  theV,
gp_Pnt theValue,
gp_Vec theD1U,
gp_Vec theD1V,
gp_Vec theD2U,
gp_Vec theD2V,
gp_Vec theD2UV 
) const
pure virtual

Value, first and second derivatives of surface.

Implemented in GeomEvaluator_SurfaceOfRevolution, GeomEvaluator_OffsetSurface, and GeomEvaluator_SurfaceOfExtrusion.

◆ D3()

virtual void GeomEvaluator_Surface::D3 ( const Standard_Real  theU,
const Standard_Real  theV,
gp_Pnt theValue,
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
pure virtual

Value, first, second and third derivatives of surface.

Implemented in GeomEvaluator_SurfaceOfRevolution, GeomEvaluator_OffsetSurface, and GeomEvaluator_SurfaceOfExtrusion.

◆ DN()

virtual gp_Vec GeomEvaluator_Surface::DN ( const Standard_Real  theU,
const Standard_Real  theV,
const Standard_Integer  theDerU,
const Standard_Integer  theDerV 
) const
pure virtual

Calculates N-th derivatives of surface, where N = theDerU + theDerV.

Raises if N < 1 or theDerU < 0 or theDerV < 0

Implemented in GeomEvaluator_SurfaceOfRevolution, GeomEvaluator_OffsetSurface, and GeomEvaluator_SurfaceOfExtrusion.


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