Poly_PolygonOnTriangulation Class Reference

This class provides a polygon in 3D space, based on the triangulation of a surface. It may be the approximate representation of a curve on the surface, or more generally the shape. A PolygonOnTriangulation is defined by a table of nodes. Each node is an index in the table of nodes specific to a triangulation, and represents a point on the surface. If the polygon is closed, the index of the point of closure is repeated at the end of the table of nodes. If the polygon is an approximate representation of a curve on a surface, you can associate with each of its nodes the value of the parameter of the corresponding point on the curve.represents a 3d Polygon. More...

`#include <Poly_PolygonOnTriangulation.hxx>`

Inheritance diagram for Poly_PolygonOnTriangulation: [legend]

## Public Member Functions

Poly_PolygonOnTriangulation (const TColStd_Array1OfInteger &Nodes)
Constructs a 3D polygon on the triangulation of a shape, defined by the table of nodes, <Nodes>. More...

Poly_PolygonOnTriangulation (const TColStd_Array1OfInteger &Nodes, const TColStd_Array1OfReal &Parameters)
Constructs a 3D polygon on the triangulation of a shape, defined by: More...

Standard_Real Deflection () const
Returns the deflection of this polygon. More...

void Deflection (const Standard_Real D)
Sets the deflection of this polygon to D. See more on deflection in Poly_Polygones2D. More...

Standard_Integer NbNodes () const
Returns the number of nodes for this polygon. Note: If the polygon is closed, the point of closure is repeated at the end of its table of nodes. Thus, on a closed triangle, the function NbNodes returns 4. More...

const TColStd_Array1OfIntegerNodes () const
Returns the table of nodes for this polygon. A node value is an index in the table of nodes specific to an existing triangulation of a shape. More...

Standard_Boolean HasParameters () const
Returns true if parameters are associated with the nodes in this polygon. More...

Handle< TColStd_HArray1OfRealParameters () const
Returns the table of the parameters associated with each node in this polygon. Warning Use the function HasParameters to check if parameters are associated with the nodes in this polygon. More... Public Member Functions inherited from MMgt_TShared
virtual void Delete () const
Memory deallocator for transient classes. 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 const Handle_Standard_Type & DynamicType () const

Standard_Boolean IsInstance (const 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 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...

virtual Handle_Standard_Transient This () const
Returns a Handle which references this object. Must never be called to objects created in stack. More...

Standard_Integer GetRefCount () const
Get the reference counter of this object. More...

## Detailed Description

This class provides a polygon in 3D space, based on the triangulation of a surface. It may be the approximate representation of a curve on the surface, or more generally the shape. A PolygonOnTriangulation is defined by a table of nodes. Each node is an index in the table of nodes specific to a triangulation, and represents a point on the surface. If the polygon is closed, the index of the point of closure is repeated at the end of the table of nodes. If the polygon is an approximate representation of a curve on a surface, you can associate with each of its nodes the value of the parameter of the corresponding point on the curve.represents a 3d Polygon.

## Constructor & Destructor Documentation

 Poly_PolygonOnTriangulation::Poly_PolygonOnTriangulation ( const TColStd_Array1OfInteger & Nodes )

Constructs a 3D polygon on the triangulation of a shape, defined by the table of nodes, <Nodes>.

 Poly_PolygonOnTriangulation::Poly_PolygonOnTriangulation ( const TColStd_Array1OfInteger & Nodes, const TColStd_Array1OfReal & Parameters )

Constructs a 3D polygon on the triangulation of a shape, defined by:

• the table of nodes, Nodes, and the table of parameters, <Parameters>. where:
• a node value is an index in the table of nodes specific to an existing triangulation of a shape
• and a parameter value is the value of the parameter of the corresponding point on the curve approximated by the constructed polygon. Warning The tables Nodes and Parameters must be the same size. This property is not checked at construction time.

## Member Function Documentation

 Standard_Real Poly_PolygonOnTriangulation::Deflection ( ) const

Returns the deflection of this polygon.

 void Poly_PolygonOnTriangulation::Deflection ( const Standard_Real D )

Sets the deflection of this polygon to D. See more on deflection in Poly_Polygones2D.

 Standard_Boolean Poly_PolygonOnTriangulation::HasParameters ( ) const

Returns true if parameters are associated with the nodes in this polygon.

 Standard_Integer Poly_PolygonOnTriangulation::NbNodes ( ) const

Returns the number of nodes for this polygon. Note: If the polygon is closed, the point of closure is repeated at the end of its table of nodes. Thus, on a closed triangle, the function NbNodes returns 4.

 const TColStd_Array1OfInteger& Poly_PolygonOnTriangulation::Nodes ( ) const

Returns the table of nodes for this polygon. A node value is an index in the table of nodes specific to an existing triangulation of a shape.

 Handle< TColStd_HArray1OfReal > Poly_PolygonOnTriangulation::Parameters ( ) const

Returns the table of the parameters associated with each node in this polygon. Warning Use the function HasParameters to check if parameters are associated with the nodes in this polygon.

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