src/surfacealgorithm.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 SURFACEALGORITHM_H
  24 #define SURFACEALGORITHM_H
  25
  26 #include <vtkUnstructuredGrid.h>
  27 #include <vtkPolyData.h>
  28 #include <vtkCharArray.h>
  29
  30 #include <QSet>
  31 #include <QVector>
  32 #include <QString>
  33 #include <QTextStream>
  34 #include <QTime>
  35
  36 #include "surfaceoperation.h"
  37 #include "vertexmeshdensity.h"
  38 #include "geometrytools.h"
  39
  40 #include <cmath>
  41 #include <iostream>
  42
  43 class SurfaceAlgorithm : public SurfaceOperation
  44 {
  45
  46 protected: // attributes
  47
  48   QVector <VertexMeshDensity> m_VMDvector;
  49   int    m_NumMaxIter;
  50   int    m_NumSmoothSteps;
  51   double m_MaxEdgeLength;
  52   double m_NodesPerQuarterCircle;
  53   bool   m_RespectFeatureEdgesForDeleteNodes;
  54   double m_FeatureAngleForDeleteNodes;
  55   bool   m_PerformGeometricTests;
  56   bool   m_UseProjectionForSmoothing;
  57   bool   m_UseNormalCorrectionForSmoothing;
  58   bool   m_AllowFeatureEdgeSwapping;
  59   double m_GrowthFactor;
  60   bool   m_SmoothSuccess;
  61   int    m_NumDelaunaySweeps;
  62   bool   m_AllowSmallAreaSwapping;
  63
  64
  65 protected: // methods
  66
  67   void readSettings();
  68   void readVMD();
  69
  70
  71 protected: // methods
  72
  73   void prepare();
  74   void swap();
  75   void smooth(int N_iter);
  76   int  insertNodes();
  77   int  deleteNodes();
  78   void computeMeshDensity();
  79
  80   /** Updates node_type (if update_type = true), node_meshdensity_current, node_specified_density for all nodes. */
  81   void updateNodeInfo(bool update_type = false);
  82
  83 public:
  84
  85   SurfaceAlgorithm();
  86
  87   void setVertexMeshDensityVector(QVector <VertexMeshDensity> a_VMDvector) { m_VMDvector = a_VMDvector; }
  88   void setMaxEdgeLength(double l)         { m_MaxEdgeLength = l; }
  89   void setNodesPerQuarterCircle(double N) { m_NodesPerQuarterCircle = N; }
  90   void setCellGrowthFactor(double cgf)    { m_GrowthFactor = cgf; }
  91
  92 };
  93
  94 #endif // SURFACEALGORITHM_H