0024002: Overall code and build procedure refactoring -- automatic
[occt.git] / src / Adaptor3d / Adaptor3d_HSurfaceTool.cxx
CommitLineData
b311480e 1// Created by: Laurent BUCHARD
2// Copyright (c) 1993-1999 Matra Datavision
973c2be1 3// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 4//
973c2be1 5// This file is part of Open CASCADE Technology software library.
b311480e 6//
d5f74e42 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
973c2be1 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.
b311480e 12//
973c2be1 13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
7fd59977 15
42cf5bc1 16
17#include <Adaptor3d_HCurve.hxx>
18#include <Adaptor3d_HSurface.hxx>
19#include <Adaptor3d_HSurfaceTool.hxx>
20#include <Geom_BezierSurface.hxx>
21#include <Geom_BSplineSurface.hxx>
22#include <gp_Pnt.hxx>
23#include <gp_Vec.hxx>
24#include <Standard_NoSuchObject.hxx>
25#include <Standard_OutOfRange.hxx>
7fd59977 26
27Standard_Integer Adaptor3d_HSurfaceTool::NbSamplesU(const Handle(Adaptor3d_HSurface)& S)
28{
29 switch (S->GetType())
30 {
31 case GeomAbs_Plane: return 2;
32 case GeomAbs_BezierSurface: return (3 + S->NbUPoles());
33 case GeomAbs_BSplineSurface:
34 {
35 const Standard_Integer nbs = S->NbUKnots() * S->UDegree();
36 return (nbs < 2 ? 2 : nbs);
37 }
38 case GeomAbs_Torus: return 20;
566f8441 39 default:
40 break;
7fd59977 41 }
42 return 10;
43}
44
45Standard_Integer Adaptor3d_HSurfaceTool::NbSamplesV(const Handle(Adaptor3d_HSurface)& S)
46{
47 switch (S->GetType())
48 {
49 case GeomAbs_Plane: return 2;
50 case GeomAbs_BezierSurface: return (3 + S->NbVPoles());
51 case GeomAbs_BSplineSurface:
52 {
53 const Standard_Integer nbs = S->NbVKnots() * S->VDegree();
54 return (nbs < 2 ? 2 : nbs);
55 }
56 case GeomAbs_Cylinder:
57 case GeomAbs_Cone:
58 case GeomAbs_Sphere:
59 case GeomAbs_Torus:
60 case GeomAbs_SurfaceOfRevolution:
61 case GeomAbs_SurfaceOfExtrusion: return 15;
566f8441 62 default:
63 break;
7fd59977 64 }
65 return 10;
66}
67
68Standard_Integer Adaptor3d_HSurfaceTool::NbSamplesU(const Handle(Adaptor3d_HSurface)& S,
69 const Standard_Real u1,
70 const Standard_Real u2)
71{
72 const Standard_Integer nbs = NbSamplesU(S);
73 Standard_Integer n = nbs;
74 if(nbs>10)
75 {
76 const Standard_Real uf = FirstUParameter(S);
77 const Standard_Real ul = LastUParameter(S);
78 n *= (Standard_Integer)((u2-u1)/(ul-uf));
79 if (n>nbs || n>50) n = nbs;
80 if (n<5) n = 5;
81 }
82 return n;
83}
84
85Standard_Integer Adaptor3d_HSurfaceTool::NbSamplesV(const Handle(Adaptor3d_HSurface)& S,
86 const Standard_Real v1,
87 const Standard_Real v2)
88{
89 const Standard_Integer nbs = NbSamplesV(S);
90 Standard_Integer n = nbs;
91 if(nbs>10)
92 {
93 const Standard_Real vf = FirstVParameter(S);
94 const Standard_Real vl = LastVParameter(S);
95 n *= (Standard_Integer)((v2-v1)/(vl-vf));
96 if (n>nbs || n>50) n = nbs;
97 if (n<5) n = 5;
98 }
99 return n;
100}