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

#include <Prs3d_ToolSphere.hxx>

Inheritance diagram for Prs3d_ToolSphere:

Public Member Functions
	Prs3d_ToolSphere (const Standard_Real theRadius, const Standard_Integer theNbSlices, const Standard_Integer theNbStacks)
	Initializes the algorithm creating a sphere.

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 theRadius, 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 theU, const Standard_Real theV) const override
	Computes normal at given parameter location of the surface.

Protected Attributes
Standard_Real	myRadius
	sphere radius

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 spherical surface.

Constructor & Destructor Documentation

◆ Prs3d_ToolSphere()

Prs3d_ToolSphere::Prs3d_ToolSphere	(	const Standard_Real	theRadius,
		const Standard_Integer	theNbSlices,
		const Standard_Integer	theNbStacks
	)

Initializes the algorithm creating a sphere.

Parameters

theRadius	[in] sphere 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_ToolSphere::Create	(	const Standard_Real	theRadius,
		const Standard_Integer	theNbSlices,
		const Standard_Integer	theNbStacks,
		const gp_Trsf &	theTrsf
	)

static

Generate primitives for 3D quadric surface.

Parameters

theRadius	[in] sphere 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_ToolSphere::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_ToolSphere::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

◆ myRadius

Standard_Real Prs3d_ToolSphere::myRadius

protected

sphere radius

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

Prs3d_ToolSphere.hxx

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes