DensityMap.cpp

/*

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#include "VesselSegment.hpp"
#include "DensityMap.hpp"
#include "GeometryTools.hpp"
#include "UnitCollection.hpp"

template<unsigned DIM>
DensityMap<DIM>::DensityMap()
    :   AbstractRegularGridDiscreteContinuumSolver<DIM>()
{

}

template<unsigned DIM>
boost::shared_ptr<DensityMap<DIM> > DensityMap<DIM>::Create()
{
    MAKE_PTR(DensityMap<DIM>, pSelf);
    return pSelf;
}

template<unsigned DIM>
DensityMap<DIM>::~DensityMap()
{

}

template<unsigned DIM>
void DensityMap<DIM>::Solve()
{
    if(!this->mpVtkSolution)
    {
        this->Setup();
    }

    unsigned number_of_points = this->mpRegularGrid->GetNumberOfPoints();
    unsigned extents_x = this->mpRegularGrid->GetExtents()[0];
    unsigned extents_y = this->mpRegularGrid->GetExtents()[1];
    unsigned extents_z = this->mpRegularGrid->GetExtents()[2];
    units::quantity<unit::length> spacing = this->mpRegularGrid->GetSpacing();
    double dimensionless_spacing = spacing/this->mpRegularGrid->GetReferenceLengthScale();

    std::vector<double> vessel_solution(number_of_points, 0.0);
    std::vector<boost::shared_ptr<VesselSegment<DIM> > > segments;
    if (this->mpNetwork)
    {
        segments = this->mpNetwork->GetVesselSegments();
        for (unsigned i = 0; i < extents_z; i++) // Z
        {
            for (unsigned j = 0; j < extents_y; j++) // Y
            {
                for (unsigned k = 0; k < extents_x; k++) // X
                {
                    unsigned grid_index = this->mpRegularGrid->Get1dGridIndex(k, j, i);
                    for (unsigned idx = 0; idx <  segments.size(); idx++)
                    {
                        vessel_solution[grid_index] += LengthOfLineInBox(segments[idx]->GetNode(0)->rGetLocation(),
                                                                         segments[idx]->GetNode(1)->rGetLocation(),
                                                                         this->mpRegularGrid->GetLocation(k ,j, i), spacing)/this->mpRegularGrid->GetReferenceLengthScale();
                    }
                    vessel_solution[grid_index] /= std::pow(dimensionless_spacing,3);
                }
            }
        }
    }

    this->UpdateSolution(vessel_solution);

    if (this->mWriteSolution)
    {
        this->Write();
    }
}

// Explicit instantiation
template class DensityMap<2> ;
template class DensityMap<3> ;