inline obj_vertex(const std::string &string) {
std::vector<std::string> tokens = str_tokenize(string, '/', true);
if (tokens.size() < 1 || tokens.size() > 3)
throw std::runtime_error("Invalid vertex data: \"" + string + "\"");
p = str_to_uint32_t(tokens[0]);
#if 0
if (tokens.size() >= 2 && !tokens[1].empty())
uv = str_to_uint32_t(tokens[1]);
if (tokens.size() >= 3 && !tokens[2].empty())
n = str_to_uint32_t(tokens[2]);
#endif
}
int main(int argc, char **argv) {
std::vector<std::string> args;
bool extrinsic = true, dominant = false, align_to_boundaries = false;
bool fullscreen = false, help = false, deterministic = false, compat = false;
int rosy = 4, posy = 4, face_count = -1, vertex_count = -1;
uint32_t knn_points = 10, smooth_iter = 2;
Float crease_angle = -1, scale = -1;
std::string batchOutput;
#if defined(__APPLE__)
bool launched_from_finder = false;
#endif
try {
for (int i=1; i<argc; ++i) {
if (strcmp("--fullscreen", argv[i]) == 0 || strcmp("-F", argv[i]) == 0) {
fullscreen = true;
} else if (strcmp("--help", argv[i]) == 0 || strcmp("-h", argv[i]) == 0) {
help = true;
} else if (strcmp("--deterministic", argv[i]) == 0 || strcmp("-d", argv[i]) == 0) {
deterministic = true;
} else if (strcmp("--intrinsic", argv[i]) == 0 || strcmp("-i", argv[i]) == 0) {
extrinsic = false;
} else if (strcmp("--boundaries", argv[i]) == 0 || strcmp("-b", argv[i]) == 0) {
align_to_boundaries = true;
} else if (strcmp("--threads", argv[i]) == 0 || strcmp("-t", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing thread count!" << endl;
return -1;
}
nprocs = str_to_uint32_t(argv[i]);
} else if (strcmp("--smooth", argv[i]) == 0 || strcmp("-S", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing smoothing iteration count argument!" << endl;
return -1;
}
smooth_iter = str_to_uint32_t(argv[i]);
} else if (strcmp("--knn", argv[i]) == 0 || strcmp("-k", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing knn point count argument!" << endl;
return -1;
}
knn_points = str_to_uint32_t(argv[i]);
} else if (strcmp("--crease", argv[i]) == 0 || strcmp("-c", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing crease angle argument!" << endl;
return -1;
}
crease_angle = str_to_float(argv[i]);
} else if (strcmp("--rosy", argv[i]) == 0 || strcmp("-r", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing rotation symmetry type!" << endl;
return -1;
}
rosy = str_to_int32_t(argv[i]);
} else if (strcmp("--posy", argv[i]) == 0 || strcmp("-p", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing position symmetry type!" << endl;
return -1;
}
posy = str_to_int32_t(argv[i]);
if (posy == 6)
posy = 3;
} else if (strcmp("--scale", argv[i]) == 0 || strcmp("-s", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing scale argument!" << endl;
return -1;
}
scale = str_to_float(argv[i]);
} else if (strcmp("--faces", argv[i]) == 0 || strcmp("-f", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing face count argument!" << endl;
return -1;
}
face_count = str_to_int32_t(argv[i]);
} else if (strcmp("--vertices", argv[i]) == 0 || strcmp("-v", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing vertex count argument!" << endl;
return -1;
}
vertex_count = str_to_int32_t(argv[i]);
} else if (strcmp("--output", argv[i]) == 0 || strcmp("-o", argv[i]) == 0) {
if (++i >= argc) {
cerr << "Missing batch mode output file argument!" << endl;
return -1;
}
batchOutput = argv[i];
} else if (strcmp("--dominant", argv[i]) == 0 || strcmp("-D", argv[i]) == 0) {
dominant = true;
} else if (strcmp("--compat", argv[i]) == 0 || strcmp("-C", argv[i]) == 0) {
compat = true;
#if defined(__APPLE__)
} else if (strncmp("-psn", argv[i], 4) == 0) {
launched_from_finder = true;
#endif
} else {
if (strncmp(argv[i], "-", 1) == 0) {
cerr << "Invalid argument: \"" << argv[i] << "\"!" << endl;
help = true;
}
args.push_back(argv[i]);
}
}
} catch (const std::exception &e) {
cout << "Error: " << e.what() << endl;
help = true;
}
if ((posy != 3 && posy != 4) || (rosy != 2 && rosy != 4 && rosy != 6)) {
cerr << "Error: Invalid symmetry type!" << endl;
help = true;
}
int nConstraints = 0;
nConstraints += scale > 0 ? 1 : 0;
nConstraints += face_count > 0 ? 1 : 0;
nConstraints += vertex_count > 0 ? 1 : 0;
if (nConstraints > 1) {
cerr << "Error: Only one of the --scale, --face and --vertices parameters can be used at once!" << endl;
help = true;
}
if (args.size() > 1 || help || (!batchOutput.empty() && args.size() == 0)) {
cout << "Syntax: " << argv[0] << " [options] <input mesh / point cloud / application state snapshot>" << endl;
cout << "Options:" << endl;
cout << " -o, --output <output> Writes to the specified PLY/OBJ output file in batch mode" << endl;
cout << " -t, --threads <count> Number of threads used for parallel computations" << endl;
cout << " -d, --deterministic Prefer (slower) deterministic algorithms" << endl;
cout << " -c, --crease <degrees> Dihedral angle threshold for creases" << endl;
cout << " -S, --smooth <iter> Number of smoothing & ray tracing reprojection steps (default: 2)" << endl;
cout << " -D, --dominant Generate a tri/quad dominant mesh instead of a pure tri/quad mesh" << endl;
cout << " -i, --intrinsic Intrinsic mode (extrinsic is the default)" << endl;
cout << " -b, --boundaries Align to boundaries (only applies when the mesh is not closed)" << endl;
cout << " -r, --rosy <number> Specifies the orientation symmetry type (2, 4, or 6)" << endl;
cout << " -p, --posy <number> Specifies the position symmetry type (4 or 6)" << endl;
cout << " -s, --scale <scale> Desired world space length of edges in the output" << endl;
cout << " -f, --faces <count> Desired face count of the output mesh" << endl;
cout << " -v, --vertices <count> Desired vertex count of the output mesh" << endl;
cout << " -C, --compat Compatibility mode to load snapshots from old software versions" << endl;
cout << " -k, --knn <count> Point cloud mode: number of adjacent points to consider" << endl;
cout << " -F, --fullscreen Open a full-screen window" << endl;
cout << " -h, --help Display this message" << endl;
return -1;
}
if (args.size() == 0)
cout << "Running in GUI mode, start with -h for instructions on batch mode." << endl;
tbb::task_scheduler_init init(nprocs == -1 ? tbb::task_scheduler_init::automatic : nprocs);
if (!batchOutput.empty() && args.size() == 1) {
try {
batch_process(args[0], batchOutput, rosy, posy, scale, face_count,
vertex_count, crease_angle, extrinsic,
align_to_boundaries, smooth_iter, knn_points,
!dominant, deterministic);
return 0;
} catch (const std::exception &e) {
cerr << "Caught runtime error : " << e.what() << endl;
return -1;
}
}
try {
nanogui::init();
#if defined(__APPLE__)
if (launched_from_finder)
nanogui::chdir_to_bundle_parent();
#endif
{
nanogui::ref<Viewer> viewer = new Viewer(fullscreen, deterministic);
viewer->setVisible(true);
if (args.size() == 1) {
if (Serializer::isSerializedFile(args[0])) {
viewer->loadState(args[0], compat);
} else {
viewer->loadInput(args[0], crease_angle,
scale, face_count, vertex_count,
rosy, posy, knn_points);
viewer->setExtrinsic(extrinsic);
}
}
nanogui::mainloop();
}
nanogui::shutdown();
} catch (const std::runtime_error &e) {
std::string error_msg = std::string("Caught a fatal error: ") + std::string(e.what());
#if defined(_WIN32)
MessageBoxA(nullptr, error_msg.c_str(), NULL, MB_ICONERROR | MB_OK);
#else
std::cerr << error_msg << endl;
#endif
return -1;
}
return EXIT_SUCCESS;
}
