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some experimets with params but even the convex hull does not work

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This commit is contained in:
PavelMikus 2022-05-19 17:06:38 +02:00
parent aa343602d1
commit a235baf418
1 changed files with 8 additions and 9 deletions
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17
src/slic3r/Utils/FixModelByTetrahedrons.cpp
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@ -21,7 +21,7 @@ namespace detail {
indexed_triangle_set fix_model_volume_mesh(const TriangleMesh &mesh) { indexed_triangle_set fix_model_volume_mesh(const TriangleMesh &mesh) {
//first compute convex hull //first compute convex hull
Eigen::MatrixXf hull_v; Eigen::MatrixXd hull_v;
Eigen::MatrixXi hull_f; Eigen::MatrixXi hull_f;
{ {
Eigen::MatrixXf vertices(mesh.its.vertices.size(), 3); Eigen::MatrixXf vertices(mesh.its.vertices.size(), 3);
@ -35,8 +35,6 @@ indexed_triangle_set fix_model_volume_mesh(const TriangleMesh &mesh) {
faces.row(v) = mesh.its.indices[v]; faces.row(v) = mesh.its.indices[v];
} }
Eigen::MatrixXf hull_v;
Eigen::MatrixXi hull_f;
Eigen::VectorXi J; Eigen::VectorXi J;
Eigen::VectorXi flip; Eigen::VectorXi flip;
@ -53,14 +51,15 @@ indexed_triangle_set fix_model_volume_mesh(const TriangleMesh &mesh) {
Eigen::MatrixXf tets_v; Eigen::MatrixXf tets_v;
Eigen::MatrixXi tets_t; Eigen::MatrixXi tets_t;
Eigen::MatrixXi tets_f; Eigen::MatrixXi tets_f;
int result = igl::copyleft::tetgen::tetrahedralize(hull_v, hull_f, "", tets_v, tets_t, tets_f); int result = igl::copyleft::tetgen::tetrahedralize(hull_v, hull_f, "pA", tets_v, tets_t, tets_f);
if (result != 0) { if (result != 0) {
std::cout << "Tetrahedronization failed " << std::endl; std::cout << "Tetrahedronization failed " << std::endl;
return mesh.its; return mesh.its;
} }
Eigen::MatrixXf barycenters; Eigen::MatrixXd barycenters;
// Compute barycenters of all tets // Compute barycenters of all tets
std::cout << "Computing barucenters " << std::endl;
igl::barycenter(hull_v, tets_t, barycenters); igl::barycenter(hull_v, tets_t, barycenters);
// Compute generalized winding number at all barycenters // Compute generalized winding number at all barycenters
@ -92,14 +91,14 @@ indexed_triangle_set fix_model_volume_mesh(const TriangleMesh &mesh) {
indexed_triangle_set fixed_mesh; indexed_triangle_set fixed_mesh;
fixed_mesh.vertices.resize(hull_v.rows()); fixed_mesh.vertices.resize(hull_v.rows());
fixed_mesh.indices.resize(new_faces.rows()); fixed_mesh.indices.resize(hull_f.rows());
for (int v = 0; v < hull_v.rows(); ++v) { for (int v = 0; v < hull_v.rows(); ++v) {
fixed_mesh.vertices[v] = hull_v.row(v); fixed_mesh.vertices[v] = hull_v.row(v).cast<float>();
} }
for (int f = 0; f < new_faces.rows(); ++f) { for (int f = 0; f < hull_f.rows(); ++f) {
fixed_mesh.indices[f] = new_faces.row(f); fixed_mesh.indices[f] = hull_f.row(f);
} }
std::cout << "returning fixed mesh " << std::endl; std::cout << "returning fixed mesh " << std::endl;