Marsyas
0.6.0-alpha
|
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 #include "Median.h" 00020 #include "../common_source.h" 00021 00022 00023 00024 00025 00026 using std::ostringstream; 00027 using namespace Marsyas; 00028 00029 Median::Median(mrs_string name):MarSystem("Median", name) 00030 { 00031 addControls(); 00032 } 00033 00034 Median::Median(const Median& a) : MarSystem(a) 00035 { 00036 } 00037 00038 00039 Median::~Median() 00040 { 00041 } 00042 00043 MarSystem* 00044 Median::clone() const 00045 { 00046 return new Median(*this); 00047 } 00048 00049 void 00050 Median::addControls() 00051 { 00052 } 00053 00054 void 00055 Median::myUpdate(MarControlPtr sender) 00056 { 00057 (void) sender; //suppress warning of unused parameter(s) 00058 MRSDIAG("Median.cpp - Median:myUpdate"); 00059 00060 ctrl_onSamples_->setValue((mrs_natural)1, NOUPDATE); 00061 ctrl_onObservations_->setValue(ctrl_inObservations_, NOUPDATE); 00062 ctrl_osrate_->setValue(ctrl_israte_, NOUPDATE); 00063 00064 obsrow_.create(ctrl_inSamples_->to<mrs_natural>()); 00065 00066 //defaultUpdate(); [!] 00067 inObservations_ = ctrl_inObservations_->to<mrs_natural>(); 00068 00069 ostringstream oss; 00070 mrs_string inObsNames = ctrl_inObsNames_->to<mrs_string>(); 00071 for (int i = 0; i < inObservations_; ++i) 00072 { 00073 mrs_string inObsName; 00074 mrs_string temp; 00075 inObsName = inObsNames.substr(0, inObsNames.find(",")); 00076 temp = inObsNames.substr(inObsNames.find(",")+1, inObsNames.length()); 00077 inObsNames = temp; 00078 oss << "Median" << "_" << inObsName << ","; 00079 } 00080 ctrl_onObsNames_->setValue(oss.str(),NOUPDATE); 00081 } 00082 00083 void 00084 Median::myProcess(realvec& in, realvec& out) 00085 { 00086 mrs_natural t,o; 00087 out.setval(0.0); 00088 for (o=0; o < inObservations_; o++) { 00089 for (t = 0; t < inSamples_; t++) { 00090 obsrow_(t) = in(o,t); 00091 } 00092 out(o,0) = obsrow_.median(); 00093 } 00094 00095 }