FreeFOAM The Cross-Platform CFD Toolkit
lineEdge.C
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25 
26 #include <OpenFOAM/error.H>
27 #include "lineEdge.H"
29 
30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
31 
32 namespace Foam
33 {
34  defineTypeNameAndDebug(lineEdge, 0);
35  addToRunTimeSelectionTable(curvedEdge, lineEdge, Istream);
36 }
37 
38 
39 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
40 
41 Foam::lineEdge::lineEdge
42 (
43  const pointField& points,
44  const label start,
45  const label end
46 )
47 :
48  curvedEdge(points, start, end)
49 {}
50 
51 
52 Foam::lineEdge::lineEdge(const pointField& points, Istream& is)
53 :
54  curvedEdge(points, is)
55 {}
56 
57 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * * //
58 
60 {}
61 
62 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
63 
64 Foam::point Foam::lineEdge::position(const scalar lambda) const
65 {
66  if (lambda < 0 || lambda > 1)
67  {
68  FatalErrorIn("lineEdge::position(const scalar)")
69  << "Parameter out of range, lambda = " << lambda
70  << abort(FatalError);
71  }
72 
73  return points_[start_] + lambda * (points_[end_] - points_[start_]);
74 }
75 
76 
77 Foam::scalar Foam::lineEdge::length() const
78 {
79  return mag(points_[end_] - points_[start_]);
80 }
81 
82 
83 // ************************ vim: set sw=4 sts=4 et: ************************ //