Chaste  Release::3.4
CryptProjectionStatistics.cpp
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35 #include "CryptProjectionStatistics.hpp"
36 #include "RandomNumberGenerator.hpp"
37 
42 bool CellsRadiusComparison(const std::pair<CellPtr, double> lhs, const std::pair<CellPtr, double> rhs)
43 {
44  return lhs.second < rhs.second;
45 }
46 
48  : AbstractCryptStatistics(rCrypt)
49 {
50 }
51 
52 bool CryptProjectionStatistics::CellIsInSection(double angle, const c_vector<double,2>& rCellPosition, double widthOfSection)
53 {
54  // Get corresponding 3D position of closest point on line
55  c_vector<double,2> line_position;
56  line_position[0] = norm_2(rCellPosition)*cos(angle);
57  line_position[1] = norm_2(rCellPosition)*sin(angle);
58 
59  double distance_between_cell_and_line = norm_2(rCellPosition - line_position);
60 
61  return (distance_between_cell_and_line <= widthOfSection);
62 }
63 
64 std::vector<CellPtr> CryptProjectionStatistics::GetCryptSection(double angle)
65 {
66  if (angle == DBL_MAX)
67  {
68  angle = M_PI - 2*M_PI*RandomNumberGenerator::Instance()->ranf();
69  }
70 
71  assert(angle>=-M_PI && angle<=M_PI);
72 
73  std::list<std::pair<CellPtr, double> > cells_list; // the second entry is the radius (needed for sorting)
74 
75  // Loop over cells and add to the store if they are within a cell's radius of the
76  // specified line
78  cell_iter != mrCrypt.End();
79  ++cell_iter)
80  {
81  if (CellIsInSection(angle, mrCrypt.GetLocationOfCellCentre(*cell_iter)))
82  {
83  // Set up a pair, equal to (cell,r) and insert
84  std::pair<CellPtr, double> pair(*cell_iter, norm_2(mrCrypt.GetLocationOfCellCentre(*cell_iter)));
85  cells_list.push_back(pair);
86  }
87  }
88 
89  // Sort the list
90  cells_list.sort(CellsRadiusComparison);
91 
92  // Copy to a vector
93  std::vector<CellPtr> ordered_cells;
94  for (std::list<std::pair<CellPtr, double> >::iterator iter = cells_list.begin();
95  iter != cells_list.end();
96  ++iter)
97  {
98  ordered_cells.push_back(iter->first);
99  }
100 
101  return ordered_cells;
102 }
bool CellIsInSection(double angle, const c_vector< double, 2 > &rCellPosition, double widthOfSection=0.6)
MeshBasedCellPopulation< 2 > & mrCrypt
static RandomNumberGenerator * Instance()
std::vector< CellPtr > GetCryptSection(double angle=DBL_MAX)
CryptProjectionStatistics(MeshBasedCellPopulation< 2 > &rCrypt)
c_vector< double, SPACE_DIM > GetLocationOfCellCentre(CellPtr pCell)