/* -*- c++ -*- ---------------------------------------------------------- LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator https://www.lammps.org/, Sandia National Laboratories Steve Plimpton, sjplimp@sandia.gov Copyright (2003) Sandia Corporation. Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains certain rights in this software. This software is distributed under the GNU General Public License. See the README file in the top-level LAMMPS directory. ------------------------------------------------------------------------- */ #ifdef REGION_CLASS // clang-format off RegionStyle(intersect,RegIntersect); // clang-format on #else #ifndef LMP_REGION_INTERSECT_H #define LMP_REGION_INTERSECT_H #include "region.h" namespace LAMMPS_NS { class RegIntersect : public Region { public: RegIntersect(class LAMMPS *, int, char **); ~RegIntersect() override; void init() override; int inside(double, double, double) override; int surface_interior(double *, double) override; int surface_exterior(double *, double) override; void shape_update() override; void pretransform() override; void set_velocity() override; void length_restart_string(int &) override; void write_restart(FILE *) override; int restart(char *, int &) override; void reset_vel() override; private: char **idsub; }; } // namespace LAMMPS_NS #endif #endif /* ERROR/WARNING messages: E: Illegal ... command Self-explanatory. Check the input script syntax and compare to the documentation for the command. You can use -echo screen as a command-line option when running LAMMPS to see the offending line. E: Region intersect region ID does not exist Self-explanatory. E: Region union region ID does not exist One or more of the region IDs specified by the region union command does not exist. */