1 /* ----------------------------------------------------------------------
2     This is the
3 
4     ██╗     ██╗ ██████╗  ██████╗  ██████╗ ██╗  ██╗████████╗███████╗
5     ██║     ██║██╔════╝ ██╔════╝ ██╔════╝ ██║  ██║╚══██╔══╝██╔════╝
6     ██║     ██║██║  ███╗██║  ███╗██║  ███╗███████║   ██║   ███████╗
7     ██║     ██║██║   ██║██║   ██║██║   ██║██╔══██║   ██║   ╚════██║
8     ███████╗██║╚██████╔╝╚██████╔╝╚██████╔╝██║  ██║   ██║   ███████║
9     ╚══════╝╚═╝ ╚═════╝  ╚═════╝  ╚═════╝ ╚═╝  ╚═╝   ╚═╝   ╚══════╝®
10 
11     DEM simulation engine, released by
12     DCS Computing Gmbh, Linz, Austria
13     http://www.dcs-computing.com, office@dcs-computing.com
14 
15     LIGGGHTS® is part of CFDEM®project:
16     http://www.liggghts.com | http://www.cfdem.com
17 
18     Core developer and main author:
19     Christoph Kloss, christoph.kloss@dcs-computing.com
20 
21     LIGGGHTS® is open-source, distributed under the terms of the GNU Public
22     License, version 2 or later. It is distributed in the hope that it will
23     be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
24     of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. You should have
25     received a copy of the GNU General Public License along with LIGGGHTS®.
26     If not, see http://www.gnu.org/licenses . See also top-level README
27     and LICENSE files.
28 
29     LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
30     the producer of the LIGGGHTS® software and the CFDEM®coupling software
31     See http://www.cfdem.com/terms-trademark-policy for details.
32 
33 -------------------------------------------------------------------------
34     Contributing author and copyright for this file:
35     (if no contributing author is listed, this file has been contributed
36     by the core developer)
37 
38     Copyright 2013-     DCS Computing GmbH, Linz
39 ------------------------------------------------------------------------- */
40 
41 #ifdef FIX_CLASS
42 
43 FixStyle(property/atom/tracer,FixPropertyAtomTracer)
44 
45 #else
46 
47 #ifndef LMP_FIX_PROPERTY_ATOM_TRACER_H
48 #define LMP_FIX_PROPERTY_ATOM_TRACER_H
49 
50 #include "fix_property_atom.h"
51 
52 namespace LAMMPS_NS {
53 
54 enum
55 {
56    MARKER_DIRAC = 0,
57    MARKER_HEAVISIDE = 1,
58    MARKER_NONE = 2
59 };
60 
61 class FixPropertyAtomTracer : public FixPropertyAtom {
62 
63  public:
64 
65   FixPropertyAtomTracer(class LAMMPS *, int, char **, bool parse = true);
66   ~FixPropertyAtomTracer();
67 
68   virtual void init();
69   virtual int setmask();
70   void end_of_step();
71   double compute_scalar();
72 
73  protected:
74 
75   int iarg_;
76 
77   char *tracer_name_;
78 
79   int marker_style_;
80   int step_;
81   int check_every_;
82   bool first_mark_;
83 
84   // params for region marker
85   int iregion_;
86   char *idregion_;
87 
88   // counter how many particles have been marked
89   int nmarked_last_, nmarked_;
90 
91 }; //end class
92 
93 }
94 #endif
95 #endif
96