Prs3d_ToolCylinder Class Reference

Standard presentation algorithm that outputs graphical primitives for cylindrical surface. More...

#include <Prs3d_ToolCylinder.hxx>

Inheritance diagram for Prs3d_ToolCylinder:

Public Member Functions
	Prs3d_ToolCylinder (const Standard_Real theBottomRad, const Standard_Real theTopRad, const Standard_Real theHeight, const Standard_Integer theNbSlices, const Standard_Integer theNbStacks)
	Initializes the algorithm creating a cylinder.
Public Member Functions inherited from Prs3d_ToolQuadric
Handle< Graphic3d_ArrayOfTriangles >	CreateTriangulation (const gp_Trsf &theTrsf) const
	Generate primitives for 3D quadric surface presentation.
Handle< Poly_Triangulation >	CreatePolyTriangulation (const gp_Trsf &theTrsf) const
	Generate primitives for 3D quadric surface presentation.
void	FillArray (Handle< Graphic3d_ArrayOfTriangles > &theArray, const gp_Trsf &theTrsf) const
	Generate primitives for 3D quadric surface and fill the given array.
Standard_Integer	TrianglesNb () const
	Return number of triangles in generated presentation.
Standard_Integer	VerticesNb (bool theIsIndexed=true) const
	Return number of vertices in generated presentation.
void	FillArray (Handle< Graphic3d_ArrayOfTriangles > &theArray, Handle< Poly_Triangulation > &theTriangulation, const gp_Trsf &theTrsf) const
	Generate primitives for 3D quadric surface presentation.

Static Public Member Functions
static Handle< Graphic3d_ArrayOfTriangles >	Create (const Standard_Real theBottomRad, const Standard_Real theTopRad, const Standard_Real theHeight, const Standard_Integer theNbSlices, const Standard_Integer theNbStacks, const gp_Trsf &theTrsf)
	Generate primitives for 3D quadric surface and return a filled array.
Static Public Member Functions inherited from Prs3d_ToolQuadric
static Standard_Integer	TrianglesNb (const Standard_Integer theSlicesNb, const Standard_Integer theStacksNb)
	Return number of triangles for presentation with the given params.
static Standard_Integer	VerticesNb (const Standard_Integer theSlicesNb, const Standard_Integer theStacksNb, const Standard_Boolean theIsIndexed=Standard_True)
	Return number of vertices for presentation with the given params.

Protected Member Functions
virtual gp_Pnt	Vertex (const Standard_Real theU, const Standard_Real theV) const override
	Computes vertex at given parameter location of the surface.
virtual gp_Dir	Normal (const Standard_Real theU, const Standard_Real theV) const override
	Computes normal at given parameter location of the surface.

Protected Attributes
Standard_Real	myBottomRadius
	cylinder bottom radius
Standard_Real	myTopRadius
	cylinder top radius
Standard_Real	myHeight
	cylinder height
Protected Attributes inherited from Prs3d_ToolQuadric
Standard_Integer	mySlicesNb
	number of slices within U parameter
Standard_Integer	myStacksNb
	number of stacks within V parameter

Detailed Description

Standard presentation algorithm that outputs graphical primitives for cylindrical surface.

Constructor & Destructor Documentation

Prs3d_ToolCylinder()

Prs3d_ToolCylinder::Prs3d_ToolCylinder	(	const Standard_Real	theBottomRad,
		const Standard_Real	theTopRad,
		const Standard_Real	theHeight,
		const Standard_Integer	theNbSlices,
		const Standard_Integer	theNbStacks
	)

Initializes the algorithm creating a cylinder.

Parameters

theBottomRad	[in] cylinder bottom radius
theTopRad	[in] cylinder top radius
theHeight	[in] cylinder height
theNbSlices	[in] number of slices within U parameter
theNbStacks	[in] number of stacks within V parameter

Member Function Documentation

Create()

static Handle< Graphic3d_ArrayOfTriangles > Prs3d_ToolCylinder::Create ( const Standard_Real  theBottomRad, const Standard_Real  theTopRad, const Standard_Real  theHeight, const Standard_Integer  theNbSlices, const Standard_Integer  theNbStacks, const gp_Trsf &  theTrsf  )

static

Generate primitives for 3D quadric surface and return a filled array.

Parameters

theBottomRad	[in] cylinder bottom radius
theTopRad	[in] cylinder top radius
theHeight	[in] cylinder height
theNbSlices	[in] number of slices within U parameter
theNbStacks	[in] number of stacks within V parameter
theTrsf	[in] optional transformation to apply

Returns

generated triangulation

Normal()

virtual gp_Dir Prs3d_ToolCylinder::Normal ( const Standard_Real  theU, const Standard_Real  theV  ) const

overrideprotectedvirtual

Computes normal at given parameter location of the surface.

Implements Prs3d_ToolQuadric.

Vertex()

virtual gp_Pnt Prs3d_ToolCylinder::Vertex ( const Standard_Real  theU, const Standard_Real  theV  ) const

overrideprotectedvirtual

Computes vertex at given parameter location of the surface.

Implements Prs3d_ToolQuadric.

Field Documentation

myBottomRadius

Standard_Real Prs3d_ToolCylinder::myBottomRadius

protected

cylinder bottom radius

myHeight

Standard_Real Prs3d_ToolCylinder::myHeight

protected

cylinder height

myTopRadius

Standard_Real Prs3d_ToolCylinder::myTopRadius

protected

cylinder top radius

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

• Prs3d_ToolCylinder.hxx