revert(process): remove exort obj

network_process/src/process.cpp

@@ -7,86 +7,6 @@
 #include <fstream>
 #include "post_topo/chain_post_processing.hpp"
 
-void export_halfpatch_obj(
-    const stl_vector_mp<Eigen::Vector3d>& iso_pts,
-    const stl_vector_mp<polygon_face_t>& iso_faces,
-    const stl_vector_mp<stl_vector_mp<uint32_t>>& patches,
-    const std::string& filename)
-{
-    std::string mtl_filename = filename + ".mtl";
-    std::ofstream mtl(mtl_filename);
-    for (size_t half_patch = 0; half_patch < patches.size() * 2; ++half_patch) {
-        size_t patch_idx = half_patch / 2;
-        bool is_forward = (half_patch % 2 == 0);
-        mtl << "newmtl patch_" << patch_idx << (is_forward ? "_in" : "_out") << "\n";
-        // 随机或规律分配颜色
-        float r = float(patch_idx % 7) / 7.0f;
-        float g = is_forward ? 0.8f : 0.2f;
-        float b = 1.0f - r;
-        mtl << "Kd " << r << " " << g << " " << b << "\n";
-    }
-    mtl.close();
-
-    std::string obj_filename = filename + ".obj";
-    std::ofstream ofs(obj_filename);
-    if (!ofs) return;
-
-    ofs << "mtllib "<< mtl_filename << "\n";
-
-    // 输出所有顶点
-    for (const auto& v : iso_pts) {
-        ofs << "v " << v.x() << " " << v.y() << " " << v.z() << "\n";
-    }
-
-    // 遍历所有 half-patch
-    for (size_t half_patch = 0; half_patch < patches.size() * 2; ++half_patch) {
-        size_t patch_idx = half_patch / 2;
-        bool is_forward = (half_patch % 2 == 0);
-        ofs << "g halfpatch_" << half_patch << "\n";
-        ofs << "usemtl patch_" << patch_idx << (is_forward ? "_in" : "_out") << "\n";
-        for (auto face_idx : patches[patch_idx]) {
-            const auto& face = iso_faces[face_idx];
-            ofs << "f";
-            if (is_forward) {
-                for (auto vi : face.vertex_indices)
-                    ofs << " " << (vi + 1);
-            } else {
-                for (auto it = face.vertex_indices.rbegin(); it != face.vertex_indices.rend(); ++it)
-                    ofs << " " << (*it + 1);
-            }
-            ofs << "\n";
-        }
-    }
-    ofs.close();
-}
-
-
-// Export OBJ without patch information
-void export_obj_no_patch(
-    const stl_vector_mp<Eigen::Vector3d>& iso_pts,
-    const stl_vector_mp<polygon_face_t>& iso_faces,
-    const std::string& filename)
-{
-    // Write OBJ file
-    std::string obj_filename = filename + ".obj";
-    std::ofstream ofs(obj_filename);
-    if (!ofs) return;
-
-    // Write all vertices
-    for (const auto& v : iso_pts) {
-        ofs << "v " << v.x() << " " << v.y() << " " << v.z() << "\n";
-    }
-
-    // Write all faces
-    for (const auto& face : iso_faces) {
-        ofs << "f";
-        for (auto vi : face.vertex_indices)
-            ofs << " " << (vi + 1);
-        ofs << "\n";
-    }
-    ofs.close();
-}
-
 ISNP_API void build_implicit_network_by_blobtree(const s_settings&                               settings,
                                                  const baked_blobtree_t&                         tree,
                                                  stl_vector_mp<Eigen::Vector3d>&                 output_vertices,
@@ -154,7 +74,6 @@ ISNP_API void build_implicit_network_by_blobtree(const s_settings&
                          iso_verts,
                          iso_faces);
     }
-    export_obj_no_patch(iso_pts, iso_faces, "halfpatch_bbefore_connect");
     // connect components by topology
     stl_vector_mp<uint32_t>                             patch_of_face(iso_faces.size());
     stl_vector_mp<uint32_t>                             shell_of_half_patch{};
@@ -278,6 +197,5 @@ ISNP_API void build_implicit_network_by_blobtree(const s_settings&
                 remap_parametric_plane_vertices(output_parametric_planes);
             }
         }
-        export_halfpatch_obj(iso_pts, iso_faces, patches, "halfpatch_final");
     }
 }