ManExtractTriMesh.h

#pragma once
 
#include <wmtk/components/topological_offset/Parameters.h>
#include <wmtk/components/topological_offset/TopoOffsetTriMesh.h>
#include "Parameters.h"
 
using namespace wmtk::components;
 
 
namespace wmtk::components::manifold_extraction {
 
 
class ManExtractTriMesh : public topological_offset::TopoOffsetTriMesh
{
public:
    int m_vtu_counter = 0;
    int m_surfvtu_counter = 0;
 
    Parameters& m_man_params;
 
    ManExtractTriMesh(
        Parameters& _m_man_params,
        topological_offset::Parameters& _m_top_params,
        int _num_threads = 0)
        : topological_offset::TopoOffsetTriMesh(_m_top_params, _num_threads)
        , m_man_params(_m_man_params)
    {}
 
    ~ManExtractTriMesh() {}
 
public:
    size_t label_non_manifold(); // return # of non manifold edges, verts
 
    bool vertex_is_manifold(const Tuple& v) const;
 
    void vertex_dfs_helper(std::set<size_t>& visited_fids, const Tuple& f) const;
 
    void extract_curve_mesh(MatrixXd& V, MatrixXi& F) const;
 
    void write_curve(const std::string& path);
 
private: // helpers
    bool is_curve_vertex(const Tuple& v) const;
    bool is_curve_edge(const Tuple& e) const;
    bool is_interior_face(const Tuple& f) const;
    bool is_interior_face(size_t f_id) const;
};
 
} // namespace wmtk::components::manifold_extraction