Function exportVTK

Tools/MeshSkinning/main.cpp:1020–1106

}

void exportVTK()
{
	std::string fileName = convertFileName(output, currentFrame);
	LOG_INFO << "Writing: " << fileName;

	FileSystem::makeDir(FileSystem::getFilePath(FileSystem::normalizePath(output)));

	// Open the file
	std::ofstream outfile(fileName, std::ios::binary);
	if (!outfile)
	{
		LOG_WARN << "Cannot open a file to save VTK mesh.";
		return;
	}

#ifdef USE_DOUBLE
	const char* real_str = " double\n";
#else 
	const char* real_str = " float\n";
#endif

	// Header
	outfile << "# vtk DataFile Version 4.2\n";
	outfile << "Created by SPlisHSPlasH version " << SPLISHSPLASH_VERSION << "\n";
	outfile << "BINARY\n";
	outfile << "DATASET UNSTRUCTURED_GRID\n";

	const std::vector<Vector3r>& vertices = meshX;
	const std::vector<unsigned int>& faces = mesh.getFaces();
	int n_vertices = (int)vertices.size();
	int n_triangles = (int)faces.size() / 3;

	// Vertices
	{
		std::vector<Vector3r> positions;
		positions.reserve(n_vertices);
		for (int j = 0u; j < n_vertices; j++)
		{
			Vector3r x = vertices[j];
			swapByteOrder(&x[0]);
			swapByteOrder(&x[1]);
			swapByteOrder(&x[2]);
			positions.emplace_back(x);
		}
		// export to vtk
		outfile << "POINTS " << n_vertices << real_str;
		outfile.write(reinterpret_cast<char*>(positions[0].data()), 3 * n_vertices * sizeof(Real));
		outfile << "\n";
	}

	// Connectivity
	{
		std::vector<int> connectivity_to_write;
		connectivity_to_write.reserve(4 * n_triangles);
		for (int tri_i = 0; tri_i < n_triangles; tri_i++)
		{
			int val = 3;
			swapByteOrder(&val);