OpenWalnut
1.4.0
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00001 //--------------------------------------------------------------------------- 00002 // 00003 // Project: OpenWalnut ( http://www.openwalnut.org ) 00004 // 00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS 00006 // For more information see http://www.openwalnut.org/copying 00007 // 00008 // This file is part of OpenWalnut. 00009 // 00010 // OpenWalnut is free software: you can redistribute it and/or modify 00011 // it under the terms of the GNU Lesser General Public License as published by 00012 // the Free Software Foundation, either version 3 of the License, or 00013 // (at your option) any later version. 00014 // 00015 // OpenWalnut is distributed in the hope that it will be useful, 00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 // GNU Lesser General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Lesser General Public License 00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>. 00022 // 00023 //--------------------------------------------------------------------------- 00024 00025 #include <cstddef> 00026 00027 #include <sstream> 00028 #include <string> 00029 #include <vector> 00030 00031 #include <boost/shared_ptr.hpp> 00032 00033 #include "../common/exceptions/WOutOfBounds.h" 00034 #include "exceptions/WDHException.h" 00035 #include "io/WPagerEEG.h" 00036 #include "WEEGChannelInfo.h" 00037 #include "WEEGPositionsLibrary.h" 00038 #include "WEEG2Segment.h" 00039 #include "WEEG2.h" 00040 00041 00042 boost::shared_ptr< WPrototyped > WEEG2::m_prototype = boost::shared_ptr< WPrototyped >(); 00043 00044 WEEG2::WEEG2( boost::shared_ptr< WPagerEEG > pager, boost::shared_ptr< WEEGPositionsLibrary > positionsLibrary ) 00045 { 00046 if( !pager ) 00047 { 00048 throw WDHException( std::string( "Couldn't construct new EEG: pager invalid" ) ); 00049 } 00050 00051 if( !positionsLibrary ) 00052 { 00053 throw WDHException( std::string( "Couldn't construct new EEG: positions library invalid" ) ); 00054 } 00055 00056 std::size_t nbSegments = pager->getNumberOfSegments(); 00057 if( nbSegments <= 0 || WRecording::MAX_RECORDING_SEGMENTS < nbSegments ) 00058 { 00059 throw WDHException( std::string( "Couldn't construct new EEG: invalid number of segments" ) ); 00060 } 00061 00062 std::size_t nbChannels = pager->getNumberOfChannels(); 00063 if( nbChannels <= 0 || WRecording::MAX_RECORDING_CHANNELS < nbChannels ) 00064 { 00065 throw WDHException( std::string( "Couldn't construct new EEG: invalid number of channels" ) ); 00066 } 00067 00068 m_samplingRate = pager->getSamplingRate(); 00069 if( m_samplingRate <= 0.0 || WRecording::MAX_RECORDING_SAMPLING_FREQUENCY < m_samplingRate ) 00070 { 00071 throw WDHException( std::string( "Couldn't construct new EEG: invalid sampling rate" ) ); 00072 } 00073 00074 setFilename( pager->getFilename() ); 00075 00076 m_segments.reserve( nbSegments ); 00077 for( std::size_t segmentID = 0; segmentID < nbSegments; ++segmentID ) 00078 { 00079 m_segments.push_back( boost::shared_ptr< WEEG2Segment >( new WEEG2Segment( segmentID, pager ) ) ); 00080 } 00081 00082 m_channelInfos.reserve( nbChannels ); 00083 for( std::size_t channelID = 0; channelID < nbChannels; ++channelID ) 00084 { 00085 m_channelInfos.push_back( boost::shared_ptr< WEEGChannelInfo >( new WEEGChannelInfo( channelID, pager, positionsLibrary ) ) ); 00086 } 00087 } 00088 00089 WEEG2::WEEG2() 00090 { 00091 } 00092 00093 std::size_t WEEG2::getNumberOfSegments() const 00094 { 00095 return m_segments.size(); 00096 } 00097 00098 std::size_t WEEG2::getNumberOfChannels() const 00099 { 00100 return m_channelInfos.size(); 00101 } 00102 00103 double WEEG2::getSamplingRate() const 00104 { 00105 return m_samplingRate; 00106 } 00107 00108 boost::shared_ptr< WEEG2Segment > WEEG2::getSegment( std::size_t segmentID ) const 00109 { 00110 if( segmentID >= m_segments.size() ) 00111 { 00112 std::ostringstream stream; 00113 stream << "The EEG has no segment number " << segmentID; 00114 throw WOutOfBounds( stream.str() ); 00115 } 00116 00117 return m_segments[segmentID]; 00118 } 00119 00120 boost::shared_ptr< WEEGChannelInfo > WEEG2::getChannelInfo( std::size_t channelID ) const 00121 { 00122 if( channelID >= m_channelInfos.size() ) 00123 { 00124 std::ostringstream stream; 00125 stream << "The EEG has no channel number " << channelID; 00126 throw WOutOfBounds( stream.str() ); 00127 } 00128 00129 return m_channelInfos[channelID]; 00130 } 00131 00132 const std::string WEEG2::getName() const 00133 { 00134 return "WEEG2"; 00135 } 00136 00137 const std::string WEEG2::getDescription() const 00138 { 00139 return "Contains EEG data"; 00140 } 00141 00142 boost::shared_ptr< WPrototyped > WEEG2::getPrototype() 00143 { 00144 if( !m_prototype ) 00145 { 00146 m_prototype = boost::shared_ptr< WPrototyped >( new WEEG2() ); 00147 } 00148 00149 return m_prototype; 00150 }