# GeomFill_CoonsAlgPatch Class Reference

Provides evaluation methods on an algorithmic patch (based on 4 Curves) defined by its boundaries and blending functions. More...

`#include <GeomFill_CoonsAlgPatch.hxx>`

Inheritance diagram for GeomFill_CoonsAlgPatch:
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## Public Member Functions

GeomFill_CoonsAlgPatch (const Handle< GeomFill_Boundary > &B1, const Handle< GeomFill_Boundary > &B2, const Handle< GeomFill_Boundary > &B3, const Handle< GeomFill_Boundary > &B4)
Constructs the algorithmic patch. By Default the constructed blending functions are linear. Warning: No control is done on the bounds. B1/B3 and B2/B4 must be same range and well oriented. More...

void Func (Handle< Law_Function > &f1, Handle< Law_Function > &f2) const
Give the blending functions. More...

void SetFunc (const Handle< Law_Function > &f1, const Handle< Law_Function > &f2)
Set the blending functions. More...

gp_Pnt Value (const Standard_Real U, const Standard_Real V) const
Computes the value on the algorithmic patch at parameters U and V. More...

gp_Vec D1U (const Standard_Real U, const Standard_Real V) const
Computes the d/dU partial derivative on the algorithmic patch at parameters U and V. More...

gp_Vec D1V (const Standard_Real U, const Standard_Real V) const
Computes the d/dV partial derivative on the algorithmic patch at parameters U and V. More...

gp_Vec DUV (const Standard_Real U, const Standard_Real V) const
Computes the d2/dUdV partial derivative on the algorithmic patch made with linear blending functions at parameter U and V. More...

const gp_PntCorner (const Standard_Integer I) const

const Handle< GeomFill_Boundary > & Bound (const Standard_Integer I) const

const Handle< Law_Function > & Func (const Standard_Integer I) const

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

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...

Public Types inherited from Standard_Transient
typedef void base_type

Static Public Member Functions inherited from Standard_Transient
static const char * get_type_name ()

static const opencascade::handle< Standard_Type > & get_type_descriptor ()
Returns type descriptor of Standard_Transient class. More...

## Detailed Description

Provides evaluation methods on an algorithmic patch (based on 4 Curves) defined by its boundaries and blending functions.

## ◆ GeomFill_CoonsAlgPatch()

 GeomFill_CoonsAlgPatch::GeomFill_CoonsAlgPatch ( const Handle< GeomFill_Boundary > & B1, const Handle< GeomFill_Boundary > & B2, const Handle< GeomFill_Boundary > & B3, const Handle< GeomFill_Boundary > & B4 )

Constructs the algorithmic patch. By Default the constructed blending functions are linear. Warning: No control is done on the bounds. B1/B3 and B2/B4 must be same range and well oriented.

## ◆ Bound()

 const Handle< GeomFill_Boundary >& GeomFill_CoonsAlgPatch::Bound ( const Standard_Integer I ) const

## ◆ Corner()

 const gp_Pnt& GeomFill_CoonsAlgPatch::Corner ( const Standard_Integer I ) const

## ◆ D1U()

 gp_Vec GeomFill_CoonsAlgPatch::D1U ( const Standard_Real U, const Standard_Real V ) const

Computes the d/dU partial derivative on the algorithmic patch at parameters U and V.

## ◆ D1V()

 gp_Vec GeomFill_CoonsAlgPatch::D1V ( const Standard_Real U, const Standard_Real V ) const

Computes the d/dV partial derivative on the algorithmic patch at parameters U and V.

## ◆ DUV()

 gp_Vec GeomFill_CoonsAlgPatch::DUV ( const Standard_Real U, const Standard_Real V ) const

Computes the d2/dUdV partial derivative on the algorithmic patch made with linear blending functions at parameter U and V.

## ◆ Func() [1/2]

 const Handle< Law_Function >& GeomFill_CoonsAlgPatch::Func ( const Standard_Integer I ) const

## ◆ Func() [2/2]

 void GeomFill_CoonsAlgPatch::Func ( Handle< Law_Function > & f1, Handle< Law_Function > & f2 ) const

Give the blending functions.

## ◆ SetFunc()

 void GeomFill_CoonsAlgPatch::SetFunc ( const Handle< Law_Function > & f1, const Handle< Law_Function > & f2 )

Set the blending functions.

## ◆ Value()

 gp_Pnt GeomFill_CoonsAlgPatch::Value ( const Standard_Real U, const Standard_Real V ) const

Computes the value on the algorithmic patch at parameters U and V.

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