Prs3d_ToolQuadric Class Referenceabstract

Base class to build 3D surfaces presentation of quadric surfaces. More...

#include <Prs3d_ToolQuadric.hxx>

Inheritance diagram for Prs3d_ToolQuadric:

Public Member Functions
void	FillArray (Handle< Graphic3d_ArrayOfTriangles > &theArray, const gp_Trsf &theTrsf)
	Generate primitives for 3D quadric surface and fill the given array. Optional transformation is applied. More...
void	FillArray (Handle< Graphic3d_ArrayOfTriangles > &theArray, Handle< Poly_Triangulation > &theTriangulation, const gp_Trsf &theTrsf)
	Generate primitives for 3D quadric surface presentation and fill the given array and poly triangulation structure. Optional transformation is applied. More...

Static Public Member Functions
static Standard_Integer	TrianglesNb (const Standard_Integer theSlicesNb, const Standard_Integer theStacksNb)
	Number of triangles for presentation with the given params. More...

Protected Member Functions
void	fillArrays (const gp_Trsf &theTrsf, TColgp_Array1OfPnt &theArray, NCollection_Array1< gp_Dir > &theNormals)
	Method implements an algorithm to generate arrays of vertices and normals for 3D surface. More...
Standard_Integer	TrianglesNb () const
	Number of triangles in generated presentation. More...
virtual gp_Pnt	Vertex (const Standard_Real theU, const Standard_Real theV)=0
	Redefine this method to generate vertex at given parameters. More...
virtual gp_Dir	Normal (const Standard_Real theU, const Standard_Real theV)=0
	Redefine this method to generate normal at given parameters. More...

Protected Attributes
Standard_Integer	mySlicesNb
Standard_Integer	myStacksNb

Detailed Description

Base class to build 3D surfaces presentation of quadric surfaces.

Member Function Documentation

FillArray() [1/2]

void Prs3d_ToolQuadric::FillArray	(	Handle< Graphic3d_ArrayOfTriangles > &	theArray,
		const gp_Trsf &	theTrsf
	)

Generate primitives for 3D quadric surface and fill the given array. Optional transformation is applied.

FillArray() [2/2]

void Prs3d_ToolQuadric::FillArray	(	Handle< Graphic3d_ArrayOfTriangles > &	theArray,
		Handle< Poly_Triangulation > &	theTriangulation,
		const gp_Trsf &	theTrsf
	)

Generate primitives for 3D quadric surface presentation and fill the given array and poly triangulation structure. Optional transformation is applied.

fillArrays()

void Prs3d_ToolQuadric::fillArrays ( const gp_Trsf &  theTrsf, TColgp_Array1OfPnt &  theArray, NCollection_Array1< gp_Dir > &  theNormals  )

protected

Method implements an algorithm to generate arrays of vertices and normals for 3D surface.

Normal()

virtual gp_Dir Prs3d_ToolQuadric::Normal ( const Standard_Real  theU, const Standard_Real  theV  )

protectedpure virtual

Redefine this method to generate normal at given parameters.

Implemented in Prs3d_ToolSphere, Prs3d_ToolCylinder, and Prs3d_ToolDisk.

TrianglesNb() [1/2]

static Standard_Integer Prs3d_ToolQuadric::TrianglesNb ( const Standard_Integer  theSlicesNb, const Standard_Integer  theStacksNb  )

inlinestatic

Number of triangles for presentation with the given params.

TrianglesNb() [2/2]

Standard_Integer Prs3d_ToolQuadric::TrianglesNb ( ) const

inlineprotected

Number of triangles in generated presentation.

Vertex()

virtual gp_Pnt Prs3d_ToolQuadric::Vertex ( const Standard_Real  theU, const Standard_Real  theV  )

protectedpure virtual

Redefine this method to generate vertex at given parameters.

Implemented in Prs3d_ToolSphere, Prs3d_ToolCylinder, and Prs3d_ToolDisk.

Field Documentation

mySlicesNb

Standard_Integer Prs3d_ToolQuadric::mySlicesNb

protected

myStacksNb

Standard_Integer Prs3d_ToolQuadric::myStacksNb

protected

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

• Prs3d_ToolQuadric.hxx