src/libengrid/insertpoints.h

   1 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   2 // +                                                                      +
   3 // + This file is part of enGrid.                                         +
   4 // +                                                                      +
   5 // + Copyright 2008-2014 enGits GmbH                                      +
   6 // +                                                                      +
   7 // + enGrid is free software: you can redistribute it and/or modify       +
   8 // + it under the terms of the GNU General Public License as published by +
   9 // + the Free Software Foundation, either version 3 of the License, or    +
  10 // + (at your option) any later version.                                  +
  11 // +                                                                      +
  12 // + enGrid is distributed in the hope that it will be useful,            +
  13 // + but WITHOUT ANY WARRANTY; without even the implied warranty of       +
  14 // + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        +
  15 // + GNU General Public License for more details.                         +
  16 // +                                                                      +
  17 // + You should have received a copy of the GNU General Public License    +
  18 // + along with enGrid. If not, see <http://www.gnu.org/licenses/>.       +
  19 // +                                                                      +
  20 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  21 #ifndef INSERTPOINTS_H
  22 #define INSERTPOINTS_H
  23
  24 #include "surfaceoperation.h"
  25
  26 #include <vtkUnstructuredGrid.h>
  27 #include <vtkPolyData.h>
  28 #include <QSet>
  29 #include <QVector>
  30 #include "egvtkobject.h"
  31 #include "vertexmeshdensity.h"
  32
  33 #include "geometrytools.h"
  34 using namespace GeometryTools;
  35
  36 #include <cmath>
  37 using namespace std;
  38
  39 class InsertPoints : public SurfaceOperation
  40 {
  41
  42 private: // data-types
  43
  44   struct edge_t
  45   {
  46     stencil_t S;
  47     int i_edge;
  48     double L1, L2, L12;
  49     double quality() const { return 0.5*min(L1,L2)/L12; }
  50     bool operator< (const edge_t& E) const { return quality() < E.quality(); }
  51   };
  52
  53 private: // attributes
  54
  55   int    m_NumInserted;
  56   double m_Threshold;
  57
  58 private: // methods
  59
  60   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
  61
  62 public:
  63
  64   InsertPoints();
  65   virtual void operate();
  66   int insertPoints();
  67   int getNumInserted() { return m_NumInserted; }
  68
  69 };
  70
  71 #endif