src/libengrid/surfacealgorithm.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 SURFACEALGORITHM_H
  22 #define SURFACEALGORITHM_H
  23
  24 #include <vtkUnstructuredGrid.h>
  25 #include <vtkPolyData.h>
  26 #include <vtkCharArray.h>
  27
  28 #include <QSet>
  29 #include <QVector>
  30 #include <QString>
  31 #include <QTextStream>
  32 #include <QTime>
  33
  34 #include "surfaceoperation.h"
  35 #include "vertexmeshdensity.h"
  36 #include "geometrytools.h"
  37
  38 #include <cmath>
  39 #include <iostream>
  40
  41 class SurfaceAlgorithm : public SurfaceOperation
  42 {
  43
  44 protected: // attributes
  45
  46   int    m_NumMaxIter;
  47   int    m_NumSmoothSteps;
  48   double m_MaxEdgeLength;
  49   double m_MinEdgeLength;
  50   double m_NodesPerQuarterCircle;
  51   double m_FeatureResolution2D;
  52   double m_FeatureResolution3D;
  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   bool   m_InsertNodes;
  64   bool   m_DeleteNodes;
  65
  66
  67 protected: // methods
  68
  69   void readSettings();
  70
  71
  72 protected: // methods
  73
  74   void prepare();
  75   void swap(double delaunay_threshold = 1.0, bool verbose = false);
  76   void smooth(int N_iter, bool correct_curvature = false);
  77   int  insertNodes();
  78   int  deleteNodes();
  79   void computeMeshDensity();
  80
  81 public:
  82
  83   SurfaceAlgorithm();
  84
  85   void setVertexMeshDensityVector(QVector <VertexMeshDensity> a_VMDvector) { m_VMDvector = a_VMDvector; }
  86   void setMaxEdgeLength(double l)         { m_MaxEdgeLength = l; }
  87   void setNodesPerQuarterCircle(double N) { m_NodesPerQuarterCircle = N; }
  88   void setCellGrowthFactor(double cgf)    { m_GrowthFactor = cgf; }
  89   void setMaxNumIterations(int N)         { m_NumMaxIter = N; }
  90   void setNumSmoothSteps(int N)           { m_NumSmoothSteps = N; }
  91   void setNumDelaunaySweeps(int N)        { m_NumDelaunaySweeps = N; }
  92   void setDeleteNodesOn()                 { m_DeleteNodes = true; }
  93   void setDeleteNodesOff()                { m_DeleteNodes = false; }
  94   void setInsertNodesOn()                 { m_InsertNodes = true; }
  95   void setInsertNodesOff()                { m_InsertNodes = false; }
  96   void setDeleteNodes(bool s)             { m_DeleteNodes = s; }
  97   void setInsertNodes(bool s)             { m_InsertNodes = s; }
  98
  99 };
 100
 101 #endif // SURFACEALGORITHM_H