Open CASCADE Technology 7.8.2.dev
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Standard presentation algorithm that outputs graphical primitives for spherical surface. More...
#include <Prs3d_ToolSphere.hxx>
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 Member Functions inherited from Prs3d_ToolQuadric |
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 | |
Standard presentation algorithm that outputs graphical primitives for spherical surface.
Prs3d_ToolSphere::Prs3d_ToolSphere | ( | const Standard_Real | theRadius, |
const Standard_Integer | theNbSlices, | ||
const Standard_Integer | theNbStacks ) |
Initializes the algorithm creating a sphere.
theRadius | [in] sphere radius |
theNbSlices | [in] number of slices within U parameter |
theNbStacks | [in] number of stacks within V parameter |
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static |
Generate primitives for 3D quadric surface.
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 |
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overrideprotectedvirtual |
Computes normal at given parameter location of the surface.
Implements Prs3d_ToolQuadric.
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overrideprotectedvirtual |
Computes vertex at given parameter location of the surface.
Implements Prs3d_ToolQuadric.
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protected |
sphere radius