0031687: Draw Harness, ViewerTest - extend command vrenderparams with option updating...
[occt.git] / src / ShapeBuild / ShapeBuild_Vertex.hxx
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42cf5bc1 1// Created on: 1998-06-11
2// Created by: data exchange team
3// Copyright (c) 1998-1999 Matra Datavision
4// Copyright (c) 1999-2014 OPEN CASCADE SAS
5//
6// This file is part of Open CASCADE Technology software library.
7//
8// This library is free software; you can redistribute it and/or modify it under
9// the terms of the GNU Lesser General Public License version 2.1 as published
10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
13//
14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
16
17#ifndef _ShapeBuild_Vertex_HeaderFile
18#define _ShapeBuild_Vertex_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <Standard_Real.hxx>
25class TopoDS_Vertex;
26class gp_Pnt;
27
28
29//! Provides low-level functions used for constructing vertices
30class ShapeBuild_Vertex
31{
32public:
33
34 DEFINE_STANDARD_ALLOC
35
36
37 //! Combines new vertex from two others. This new one is the
38 //! smallest vertex which comprises both of the source vertices.
39 //! The function takes into account the positions and tolerances
40 //! of the source vertices.
41 //! The tolerance of the new vertex will be equal to the minimal
42 //! tolerance that is required to comprise source vertices
43 //! multiplied by tolFactor (in order to avoid errors because
44 //! of discreteness of calculations).
45 Standard_EXPORT TopoDS_Vertex CombineVertex (const TopoDS_Vertex& V1, const TopoDS_Vertex& V2, const Standard_Real tolFactor = 1.0001) const;
46
47 //! The same function as above, except that it accepts two points
48 //! and two tolerances instead of vertices
49 Standard_EXPORT TopoDS_Vertex CombineVertex (const gp_Pnt& pnt1, const gp_Pnt& pnt2, const Standard_Real tol1, const Standard_Real tol2, const Standard_Real tolFactor = 1.0001) const;
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54protected:
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60private:
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66};
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74#endif // _ShapeBuild_Vertex_HeaderFile