src/insertpoints.h

   1 //
   2 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   3 // +                                                                      +
   4 // + This file is part of enGrid.                                         +
   5 // +                                                                      +
   6 // + Copyright 2008,2009 Oliver Gloth                                     +
   7 // +                                                                      +
   8 // + enGrid is free software: you can redistribute it and/or modify       +
   9 // + it under the terms of the GNU General Public License as published by +
  10 // + the Free Software Foundation, either version 3 of the License, or    +
  11 // + (at your option) any later version.                                  +
  12 // +                                                                      +
  13 // + enGrid is distributed in the hope that it will be useful,            +
  14 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  15 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  16 // + GNU General Public License for more details.                         +
  17 // +                                                                      +
  18 // + You should have received a copy of the GNU General Public License    +
  19 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  20 // +                                                                      +
  21 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  22 //
  23 #ifndef INSERTPOINTS_H
  24 #define INSERTPOINTS_H
  25
  26 #include "surfaceoperation.h"
  27
  28 #include <vtkUnstructuredGrid.h>
  29 #include <vtkPolyData.h>
  30 #include <QSet>
  31 #include <QVector>
  32 #include "egvtkobject.h"
  33 #include "vertexmeshdensity.h"
  34
  35 #include "geometrytools.h"
  36 using namespace GeometryTools;
  37
  38 #include <cmath>
  39 using namespace std;
  40
  41 class InsertPoints : public SurfaceOperation
  42 {
  43
  44 private: // data-types
  45
  46   struct edge_t
  47   {
  48     stencil_t S;
  49     int i_edge;
  50     double L1, L2, L12;
  51     double quality() const { return 0.5*min(L1,L2)/L12; }
  52     bool operator< (const edge_t& E) const { return quality() < E.quality(); }
  53   };
  54
  55 private: // attributes
  56
  57   int    m_NumInserted;
  58   double m_Threshold;
  59
  60 private: // methods
  61
  62   char getNewNodeType(stencil_t S); ///< Returns the type of the node inserted on the edge S.p[1],S.p[3] from stencil_t S
  63
  64 public:
  65
  66   InsertPoints();
  67   virtual void operate();
  68   int insertPoints();
  69   int getNumInserted() { return m_NumInserted; }
  70
  71 };
  72
  73 #endif