Prs3d_ToolDisk Class Reference

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

#include <Prs3d_ToolDisk.hxx>

Inheritance diagram for Prs3d_ToolDisk:

Public Member Functions
	Prs3d_ToolDisk (const Standard_Real theInnerRadius, const Standard_Real theOuterRadius, const Standard_Integer theNbSlices, const Standard_Integer theNbStacks)
	Initializes the algorithm creating a disk.
void	SetAngleRange (Standard_Real theStartAngle, Standard_Real theEndAngle)
	Set angle range in radians [0, 2*PI] by default.
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 theInnerRadius, const Standard_Real theOuterRadius, const Standard_Integer theNbSlices, const Standard_Integer theNbStacks, const gp_Trsf &theTrsf)
	Generate primitives for 3D quadric surface.
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, const Standard_Real) const override
	Computes normal at given parameter location of the surface.

Protected Attributes
Standard_Real	myInnerRadius
	Inner disk radius.
Standard_Real	myOuterRadius
	Outer disk radius.
Standard_Real	myStartAngle
	Start angle in counter clockwise order.
Standard_Real	myEndAngle
	End angle in counter clockwise order.
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 disk surface.

Constructor & Destructor Documentation

Prs3d_ToolDisk()

Prs3d_ToolDisk::Prs3d_ToolDisk	(	const Standard_Real	theInnerRadius,
		const Standard_Real	theOuterRadius,
		const Standard_Integer	theNbSlices,
		const Standard_Integer	theNbStacks
	)

Initializes the algorithm creating a disk.

Parameters

theInnerRadius	[in] inner disk radius
theOuterRadius	[in] outer disk radius
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_ToolDisk::Create ( const Standard_Real  theInnerRadius, const Standard_Real  theOuterRadius, const Standard_Integer  theNbSlices, const Standard_Integer  theNbStacks, const gp_Trsf &  theTrsf  )

static

Generate primitives for 3D quadric surface.

Parameters

theInnerRadius	[in] inner disc radius
theOuterRadius	[in] outer disc radius
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_ToolDisk::Normal ( const Standard_Real  , const Standard_Real    ) const

inlineoverrideprotectedvirtual

Computes normal at given parameter location of the surface.

Implements Prs3d_ToolQuadric.

SetAngleRange()

void Prs3d_ToolDisk::SetAngleRange ( Standard_Real  theStartAngle, Standard_Real  theEndAngle  )

inline

Set angle range in radians [0, 2*PI] by default.

Parameters

theStartAngle	[in] Start angle in counter clockwise order
theEndAngle	[in] End angle in counter clockwise order

Vertex()

virtual gp_Pnt Prs3d_ToolDisk::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

myEndAngle

Standard_Real Prs3d_ToolDisk::myEndAngle

protected

End angle in counter clockwise order.

myInnerRadius

Standard_Real Prs3d_ToolDisk::myInnerRadius

protected

Inner disk radius.

myOuterRadius

Standard_Real Prs3d_ToolDisk::myOuterRadius

protected

Outer disk radius.

myStartAngle

Standard_Real Prs3d_ToolDisk::myStartAngle

protected

Start angle in counter clockwise order.

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

• Prs3d_ToolDisk.hxx