applications/utilities/mesh/generation/blockMesh/curvedEdges/polySplineEdge.H

   1 /*---------------------------------------------------------------------------*\
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   5     \\  /    A nd           | Copyright (C) 1991-2009 OpenCFD Ltd.
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   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of OpenFOAM.
  10
  11     OpenFOAM is free software; you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by the
  13     Free Software Foundation; either version 2 of the License, or (at your
  14     option) any later version.
  15
  16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19     for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with OpenFOAM; if not, write to the Free Software Foundation,
  23     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  24
  25 Class
  26     Foam::polySplineEdge
  27
  28 Description
  29     polySplineEdge class : representation of a spline via a polyLine
  30
  31 SourceFiles
  32     polySplineEdge.C
  33
  34 \*---------------------------------------------------------------------------*/
  35
  36 #ifndef polySplineEdge_H
  37 #define polySplineEdge_H
  38
  39 #include "curvedEdge.H"
  40 #include "polyLine.H"
  41
  42 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  43
  44 namespace Foam
  45 {
  46
  47 /*---------------------------------------------------------------------------*\
  48                            Class polySplineEdge Declaration
  49 \*---------------------------------------------------------------------------*/
  50
  51 class polySplineEdge
  52 :
  53     public curvedEdge,
  54     public polyLine
  55 {
  56     // Private data
  57
  58         pointField otherKnots_;
  59
  60
  61     // Private member functions
  62
  63         pointField intervening
  64         (
  65             const pointField& otherknots,
  66              const label nbetweenKnots,
  67             const vector&, const vector&
  68         );
  69
  70         label nsize(const label otherknotsSize, const label nbetweenKnots)
  71         {
  72             return otherknotsSize*(1 + nbetweenKnots) + nbetweenKnots + 2;
  73         }
  74
  75
  76 public:
  77
  78     //- Runtime type information
  79     TypeName("polySpline");
  80
  81
  82     // Constructors
  83
  84         //- Construct from components
  85         polySplineEdge
  86         (
  87             const pointField& ps,
  88             const label start,
  89             const label end,
  90             const pointField& otherknots,
  91             const label nInterKnots = 20
  92         );
  93
  94         //- Construct from Istream setting pointsList
  95         polySplineEdge(const pointField& points, Istream& is);
  96
  97
  98     // Destructor
  99
 100         virtual ~polySplineEdge(){}
 101
 102
 103     // Member Functions
 104
 105         //- Return the position of a point on the curve given by
 106         //  the parameter 0 <= lambda <= 1
 107         vector position(const scalar mu) const;
 108
 109         //- Return the length of the curve
 110         scalar length() const;
 111 };
 112
 113
 114 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 115
 116 } // End namespace Foam
 117
 118 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 119
 120 #endif
 121
 122 // ************************************************************************* //