1 // Created on: 2019-02-25
2 // Created by: Artem NOVIKOV
3 // Copyright (c) 2019 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _Prs3d_ToolSector_HeaderFile
17 #define _Prs3d_ToolSector_HeaderFile
19 #include <Prs3d_ToolQuadric.hxx>
21 //! Standard presentation algorithm that outputs graphical primitives for disk surface.
22 class Prs3d_ToolSector : public Prs3d_ToolQuadric
26 //! Generate primitives for 3D quadric surface.
27 //! @param theRadius [in] sector radius
28 //! @param theNbSlices [in] number of slices within U parameter
29 //! @param theNbStacks [in] number of stacks within V parameter
30 //! @param theTrsf [in] optional transformation to apply
31 //! @return generated triangulation
32 Standard_EXPORT static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real theRadius,
33 const Standard_Integer theNbSlices,
34 const Standard_Integer theNbStacks,
35 const gp_Trsf& theTrsf);
38 //! Initializes the algorithm creating a sector (quadrant).
39 //! @param theRadius [in] sector radius
40 //! @param theNbSlices [in] number of slices within U parameter
41 //! @param theNbStacks [in] number of stacks within V parameter
42 Standard_EXPORT Prs3d_ToolSector (const Standard_Real theRadius,
43 const Standard_Integer theNbSlices,
44 const Standard_Integer theNbStacks);
47 //! Computes vertex at given parameter location of the surface.
48 Standard_EXPORT virtual gp_Pnt Vertex (const Standard_Real theU, const Standard_Real theV) const Standard_OVERRIDE;
50 //! Computes normal at given parameter location of the surface.
51 virtual gp_Dir Normal (const Standard_Real , const Standard_Real ) const Standard_OVERRIDE
53 return gp_Dir (0.0, 0.0, -1.0);
58 Standard_Real myRadius; //!< sector radius