Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/SOM.h
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00001 /*
00002 ** Copyright (C) 1998-2006 George Tzanetakis <gtzan@cs.uvic.ca>
00003 **
00004 ** This program is free software; you can redistribute it and/or modify
00005 ** it under the terms of the GNU General Public License as published by
00006 ** the Free Software Foundation; either version 2 of the License, or
00007 ** (at your option) any later version.
00008 **
00009 ** This program is distributed in the hope that it will be useful,
00010 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 ** GNU General Public License for more details.
00013 **
00014 ** You should have received a copy of the GNU General Public License
00015 ** along with this program; if not, write to the Free Software
00016 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 */
00018 
00019 #ifndef MARSYAS_SOM_H
00020 #define MARSYAS_SOM_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 
00024 #include <cstdlib>
00025 
00026 namespace Marsyas
00027 {
00038 class SOM: public MarSystem
00039 {
00040 private:
00041   void addControls();
00042   void myUpdate(MarControlPtr sender);
00043 
00044   MarControlPtr ctrl_gridmap_;
00045   realvec grid_pos_;
00046   mrs_natural grid_width_;
00047   mrs_natural grid_height_;
00048   realvec adjustments_;
00049   mrs_real alpha_;
00050   mrs_real neigh_std_;
00051 
00052 public:
00053   SOM(std::string name);
00054   SOM(const SOM& a);
00055 
00056   ~SOM();
00057   MarSystem* clone() const;
00058 
00059 
00060   void myProcess(realvec& in, realvec& out);
00061 
00062 private:
00063   double randD(double max);
00064   double gaussian(double x, double mean, double std, bool scale);
00065 
00066   void init_grid_map();
00067   void find_grid_location(realvec& in, int t);
00068 
00069 };
00070 
00071 }//namespace Marsyas
00072 
00073 #endif
00074 
00075 
00076 
00077