MeshData.hpp

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#pragma once
 
#include <Eigen/Core>
 
#include <utility>
#include <vector>
 
namespace polyfem::mesh
{
    class MeshData
    {
    public:
        MeshData(Eigen::MatrixXd vertices, Eigen::MatrixXi elements)
            : vertices(std::move(vertices)), elements(std::move(elements)) {}
 
        void validate() const;
        int dimension() const { return vertices.cols(); }
        bool has_polyhedral_topology() const { return !faces.empty(); }
 
        Eigen::MatrixXd vertices;
        Eigen::MatrixXi elements;
        bool elements_are_ordered = true;
 
        std::vector<int> body_ids;
        std::vector<int> geometry_ids;
        std::vector<int> node_ids;
        std::vector<std::vector<int>> boundary_elements;
        std::vector<int> boundary_ids;
 
        Eigen::MatrixXd higher_order_nodes;
        std::vector<std::vector<int>> higher_order_connectivity;
        std::vector<std::vector<double>> higher_order_weights;
 
        std::vector<std::vector<int>> faces;
        std::vector<std::vector<int>> cell_faces;
        std::vector<std::vector<int>> cell_face_orientations;
        std::vector<bool> cell_is_hex;
        Eigen::MatrixXd cell_kernel_points;
    };
} // namespace polyfem::mesh