src/libengrid/surfacealgorithm.h

   1 //
   2 // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
   3 // +                                                                      +
   4 // + This file is part of enGrid.                                         +
   5 // +                                                                      +
   6 // + Copyright 2008-2013 enGits GmbH                                      +
   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   int    m_NumMaxIter;
  49   int    m_NumSmoothSteps;
  50   double m_MaxEdgeLength;
  51   double m_MinEdgeLength;
  52   double m_NodesPerQuarterCircle;
  53   double m_FeatureResolution2D;
  54   double m_FeatureResolution3D;
  55   bool   m_RespectFeatureEdgesForDeleteNodes;
  56   double m_FeatureAngleForDeleteNodes;
  57   bool   m_PerformGeometricTests;
  58   bool   m_UseProjectionForSmoothing;
  59   bool   m_UseNormalCorrectionForSmoothing;
  60   bool   m_AllowFeatureEdgeSwapping;
  61   double m_GrowthFactor;
  62   bool   m_SmoothSuccess;
  63   int    m_NumDelaunaySweeps;
  64   bool   m_AllowSmallAreaSwapping;
  65   bool   m_InsertNodes;
  66   bool   m_DeleteNodes;
  67
  68
  69 protected: // methods
  70
  71   void readSettings();
  72
  73
  74 protected: // methods
  75
  76   void prepare();
  77   void swap();
  78   void smooth(int N_iter, bool correct_curvature = false);
  79   int  insertNodes();
  80   int  deleteNodes();
  81   void computeMeshDensity();
  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   void setMaxNumIterations(int N)         { m_NumMaxIter = N; }
  92   void setNumSmoothSteps(int N)           { m_NumSmoothSteps = N; }
  93   void setNumDelaunaySweeps(int N)        { m_NumDelaunaySweeps = N; }
  94   void setDeleteNodesOn()                 { m_DeleteNodes = true; }
  95   void setDeleteNodesOff()                { m_DeleteNodes = false; }
  96   void setInsertNodesOn()                 { m_InsertNodes = true; }
  97   void setInsertNodesOff()                { m_InsertNodes = false; }
  98   void setDeleteNodes(bool s)             { m_DeleteNodes = s; }
  99   void setInsertNodes(bool s)             { m_InsertNodes = s; }
 100
 101 };
 102
 103 #endif // SURFACEALGORITHM_H