To create the executable arcos: - first create library libconfig. libconfig can be downloaded from www.hyperrealm.com/libconfig.Here we already included the package libconfig. - Go to directory libconfig-1.4.9/lib and give the following command make all - next, return to the root directory arcos and give the following command make all Now you have the executable arcos, which needs the input files from directory input. ./arcos also needs an output directory. The name is given in /input/default.cfg by "output_dir". Here we choose directory output. If output does not exist, create this directory: make output In this directory many files for visualization will be written. For more details see the documentation: file:///?????