1 // Created on: 2016-02-04
2 // Created by: Anastasia BORISOVA
3 // Copyright (c) 2016 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_ToolSphere_HeaderFile
17 #define _Prs3d_ToolSphere_HeaderFile
19 #include <Graphic3d_ArrayOfPrimitives.hxx>
20 #include <Graphic3d_ArrayOfTriangles.hxx>
21 #include <Poly_Triangulation.hxx>
22 #include <Prs3d_Root.hxx>
23 #include <Prs3d_Drawer.hxx>
24 #include <SelectMgr_Selection.hxx>
25 #include <Standard.hxx>
26 #include <Standard_Handle.hxx>
27 #include <Prs3d_ToolQuadric.hxx>
29 //! Standard presentation algorithm that outputs graphical primitives for spherical surface.
30 class Prs3d_ToolSphere : public Prs3d_ToolQuadric
34 //! Generate primitives for 3D quadric surface and return a filled array.
35 Standard_EXPORT static Handle(Graphic3d_ArrayOfTriangles) Create (const Standard_Real theRadius,
36 const Standard_Integer theNbSlices,
37 const Standard_Integer theNbStacks,
38 const gp_Trsf& theTrsf);
41 //! Initializes the algorithm.
42 Standard_EXPORT Prs3d_ToolSphere (const Standard_Real theRadius,
43 const Standard_Integer theNbSlices,
44 const Standard_Integer theNbStacks);
48 //! Computes vertex at given parameter location of the surface.
49 Standard_EXPORT virtual gp_Pnt Vertex (const Standard_Real theU, const Standard_Real theV) Standard_OVERRIDE;
51 //! Computes normal at given parameter location of the surface.
52 Standard_EXPORT virtual gp_Dir Normal (const Standard_Real theU, const Standard_Real theV) Standard_OVERRIDE;
56 Standard_Real myRadius;