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// ----------------------------------------------------------------------------
// - Open3D: www.open3d.org -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
#include "open3d/Open3D.h"
void PrintHelp() {
using namespace open3d;
PrintOpen3DVersion();
// clang-format off
utility::LogInfo("Usage:");
utility::LogInfo(" > Open3DMergeMesh source_directory target_file [option]");
utility::LogInfo(" Merge mesh files under <source_directory>.");
utility::LogInfo("");
utility::LogInfo("Options (listed in the order of execution priority):");
utility::LogInfo(" --help, -h : Print help information.");
utility::LogInfo(" --verbose n : Set verbose level (0-4).");
utility::LogInfo(" --purge : Clear duplicated and unreferenced vertices and");
utility::LogInfo(" triangles.");
// clang-format on
}
int main(int argc, char **argv) {
using namespace open3d;
using namespace open3d::utility::filesystem;
utility::SetVerbosityLevel(utility::VerbosityLevel::Debug);
if (argc <= 2 || utility::ProgramOptionExists(argc, argv, "--help")) {
PrintHelp();
return 0;
}
int verbose = utility::GetProgramOptionAsInt(argc, argv, "--verbose", 2);
utility::SetVerbosityLevel((utility::VerbosityLevel)verbose);
std::string directory(argv[1]);
std::vector<std::string> filenames;
ListFilesInDirectory(directory, filenames);
auto merged_mesh_ptr = std::make_shared<geometry::TriangleMesh>();
for (const auto &filename : filenames) {
auto mesh_ptr = std::make_shared<geometry::TriangleMesh>();
if (io::ReadTriangleMesh(filename, *mesh_ptr)) {
*merged_mesh_ptr += *mesh_ptr;
}
}
if (utility::ProgramOptionExists(argc, argv, "--purge")) {
merged_mesh_ptr->RemoveDuplicatedVertices();
merged_mesh_ptr->RemoveDuplicatedTriangles();
merged_mesh_ptr->RemoveUnreferencedVertices();
merged_mesh_ptr->RemoveDegenerateTriangles();
}
io::WriteTriangleMesh(argv[2], *merged_mesh_ptr);
return 1;
}
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