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64 lines
2.4 KiB
64 lines
2.4 KiB
#pragma once
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#include <Eigen/Eigen>
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#include <deque>
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#include <map>
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#include <queue>
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#include <set>
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#include <utility>
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#include <vector>
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#include "sha-base-framework/frame.h"
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#include "sha-surface-mesh/matmesh.h"
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#include "sha-volume-mesh/matmesh.h"
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namespace da {
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namespace sha {
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double approximate(const double x, const double eps);
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auto ComputeGradientOperatorsOfTetrahedronMesh(const TetrahedralMatMesh &tetrahedral_matmesh)
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-> std::vector<Eigen::Matrix<double, 3, 4>>;
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using VertexIndexEdge = std::pair<index_t, index_t>;
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using Chain = std::deque<VertexIndexEdge>;
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auto ConvertEdgesSoupToChains(const std::vector<std::pair<index_t, index_t>> &edges_soup)
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-> std::vector<Chain>;
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enum Orientation { X = 0, NegX, Y, NegY, Z, NegZ };
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auto GetNondirectionalIndexByOrientation(Orientation orientation) -> index_t;
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struct OrientedPatch {
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std::vector<SurfaceMesh3::Face_index> face_indices;
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std::set<SurfaceMesh3::Edge_index> boundary_edge_indices;
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std::map<index_t, double> neighbor_patches_with_boundary_length;
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std::set<Orientation> neighbor_orientations;
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Orientation orientation;
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double edge_length;
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};
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void DivideMeshIntoPatchesByOrientation(const SurfaceTopoMesh3 &mesh3,
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const Eigen::MatrixXd &mat_coordinates,
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const std::vector<Orientation> &surface_orientations,
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std::vector<OrientedPatch> &oriented_patches,
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std::vector<index_t> &map_face_to_patch,
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std::vector<VertexIndexEdge> &boundary_edges_soup);
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auto MarkMeshFaceOrientations(const Eigen::MatrixXd &mat_coordinates,
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const Eigen::MatrixXi &mat_faces) -> std::vector<Orientation>;
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void PostProcessOptimalTetrahedronPolycube(const TetrahedralMatMesh &tetrahedral_matmesh,
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Eigen::MatrixXd &mat_tetrahedral_polycube_coordinates);
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auto RemeshTetrahedronPolycubeToHexhahedron(
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const TetrahedralMatMesh &tetrahedral_matmesh,
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const Eigen::MatrixXd &mat_tetrahedral_polycube_coordinates, const Eigen::Vector3d &scale)
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-> HexahedralMatMesh;
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auto DeformHexadralPolycubeMeshToOriginalDomain(
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const TetrahedralMatMesh &tetrahedral_matmesh,
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const Eigen::MatrixXd &mat_polycube_tetrahedral_coordinates,
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const HexahedralMatMesh &hexahedral_polycube_matmesh) -> Eigen::MatrixXd;
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} // namespace sha
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} // namespace da
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