Function main

Tools/VolumeSampling/main.cpp:80–288

main

// main 
int main(int argc, char **argv)
{
	REPORT_MEMORY_LEAKS;

	exePath = FileSystem::getProgramPath();

	Timing::m_dontPrintTimes = true;

	try
	{
		cxxopts::Options options(argv[0], "VolumeSampling - Sample a volumetric geometry given by an surface mesh file.");

		options.add_options()
			("h,help", "Print help")
			("i,input", "Input file (obj or ply)", cxxopts::value<std::string>())
			("o,output", "Output file (bgeo or vtk)", cxxopts::value<std::string>())
			("r,radius", "Particle radius", cxxopts::value<Real>()->default_value("0.025"))
			("s,scale", "Scaling of input geometry (e.g. --scale 2,1,2)", cxxopts::value<std::vector<Real>>()->default_value("1,1,1"))
			("m,mode", "Mode (regular=0, almost dense=1, dense=2, Jiang et al. 2015=3, Kugelstadt et al. 2021=4)", cxxopts::value<int>()->default_value("4"))
			("region", "Region to fill with particles (e.g. --region 0,0,0,1,1,1)", cxxopts::value<std::vector<Real>>())
			("steps", "SPH time steps", cxxopts::value<unsigned int>()->default_value("100"))
			("cflFactor", "CFL factor", cxxopts::value<Real>()->default_value("0.25"))
			("viscosity", "Viscosity coefficient (XSPH)", cxxopts::value<Real>()->default_value("0.25"))
			("cohesion", "Cohesion coefficient", cxxopts::value<Real>())
			("adhesion", "Adhesion coefficient", cxxopts::value<Real>())
			("stiffness", "Stiffness coefficient (only mode 3)", cxxopts::value<Real>()->default_value("10000.0"))
			("dt", "Time step size (only mode 3)", cxxopts::value<Real>()->default_value("0.0005"))
			("res", "Resolution of the Signed Distance Field (e.g. --res 30,30,30)", cxxopts::value<std::vector<unsigned int>>())
			("invert", "Invert the SDF to sample the outside of the object in the bounding box/region")
			("no-cache", "Disable caching of SDF.")
			;

		auto result = options.parse(argc, argv);

		if (result.count("help"))
		{
			std::cout << options.help({ "", "Group" }) << std::endl;
			exit(0);
		}

		if (result.count("input") && result.count("output"))
		{
			inputFile = result["input"].as<std::string>();
			outputFile = result["output"].as<std::string>();
			output_format = 0;
			if (Utilities::StringTools::to_upper(FileSystem::getFileExt(outputFile)) == "VTK")
				output_format = 1;
		}
		else
		{
			std::cout << "Input or output missing!" << std::endl;
			std::cout << options.help({ "", "Group" }) << std::endl;
			exit(1);
		}

		if (result.count("mode"))
			mode = result["mode"].as<int>();