VoxelGridFromMesh.h

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#pragma once
 
#include <vtkSmartPointer.h>
#include <vtkUnstructuredGrid.h>
 
#include <array>
#include <memory>
 
namespace MeshLib
{
class Mesh;
}
 
namespace MathLib
{
class Point3d;
}
namespace MeshToolsLib::MeshGenerator::VoxelGridFromMesh
{
static std::string const cell_id_name = "CellIds";
 
std::array<std::size_t, 3> getNumberOfVoxelPerDimension(
    std::array<double, 3> const& ranges, std::array<double, 3> const& cellsize);
 
std::vector<int> assignCellIds(vtkSmartPointer<vtkUnstructuredGrid> const& mesh,
                               MathLib::Point3d const& min,
                               std::array<std::size_t, 3> const& dims,
                               std::array<double, 3> const& cellsize);
 
// grid has to contain a PropertyVector with the name 'CellIds'
bool removeUnusedGridCells(vtkSmartPointer<vtkUnstructuredGrid> const& mesh,
                           std::unique_ptr<MeshLib::Mesh>& grid);
// map the cell data of mesh to voxelgrid
void mapMeshArraysOntoGrid(vtkSmartPointer<vtkUnstructuredGrid> const& mesh,
                           std::unique_ptr<MeshLib::Mesh> const& grid);
}  // namespace MeshToolsLib::MeshGenerator::VoxelGridFromMesh