[1757] | 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# NRODataset.cc: Base class for NRO dataset. |
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| 3 | //#--------------------------------------------------------------------------- |
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| 4 | //# Copyright (C) 2000-2006 |
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| 5 | //# Associated Universities, Inc. Washington DC, USA. |
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| 6 | //# |
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| 7 | //# This library is free software; you can redistribute it and/or modify it |
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| 8 | //# under the terms of the GNU Library General Public License as published by |
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| 9 | //# the Free Software Foundation; either version 2 of the License, or (at your |
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| 10 | //# option) any later version. |
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| 11 | //# |
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| 12 | //# This library is distributed in the hope that it will be useful, but WITHOUT |
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| 13 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 14 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
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| 15 | //# License for more details. |
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| 16 | //# |
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| 17 | //# You should have received a copy of the GNU Library General Public License |
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| 18 | //# along with this library; if not, write to the Free Software Foundation, |
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| 19 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA. |
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| 20 | //# |
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| 21 | //# Correspondence concerning AIPS++ should be addressed as follows: |
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| 22 | //# Internet email: aips2-request@nrao.edu. |
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| 23 | //# Postal address: AIPS++ Project Office |
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| 24 | //# National Radio Astronomy Observatory |
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| 25 | //# 520 Edgemont Road |
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| 26 | //# Charlottesville, VA 22903-2475 USA |
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| 27 | //# |
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| 28 | //# $Id$ |
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| 29 | //#--------------------------------------------------------------------------- |
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| 30 | //# Original: 2009/02/27, Takeshi Nakazato, NAOJ |
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| 31 | //#--------------------------------------------------------------------------- |
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| 32 | |
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| 33 | #include <atnf/PKSIO/NRODataset.h> |
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| 34 | #include <casa/OS/Time.h> |
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[2748] | 35 | #include <casa/Utilities/Regex.h> |
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[1757] | 36 | #include <scimath/Mathematics/InterpolateArray1D.h> |
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| 37 | |
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[1868] | 38 | #include <measures/Measures/MeasConvert.h> |
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| 39 | #include <measures/Measures/MCFrequency.h> |
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| 40 | #include <measures/Measures/MFrequency.h> |
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| 41 | #include <measures/Measures/MPosition.h> |
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| 42 | #include <measures/Measures/MEpoch.h> |
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| 43 | #include <measures/Measures/MDirection.h> |
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| 44 | |
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[1757] | 45 | #include <math.h> |
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| 46 | #include <fstream> |
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| 47 | |
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| 48 | //#include <casa/namespace.h> |
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| 49 | |
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| 50 | using namespace std ; |
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| 51 | |
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| 52 | // |
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| 53 | // NRODataset |
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| 54 | // |
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| 55 | // Base class for NRO dataset. |
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| 56 | // |
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| 57 | |
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| 58 | // constructor |
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[2782] | 59 | NRODataset::NRODataset( string name ) |
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| 60 | : scanNum_(0), |
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| 61 | rowNum_(0), |
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| 62 | scanLen_(0), |
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| 63 | dataLen_(0), |
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| 64 | dataid_(-1), |
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| 65 | filename_(name), |
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| 66 | fp_(NULL), |
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| 67 | same_(-1), |
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| 68 | frec_() |
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| 69 | {} |
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[1757] | 70 | |
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| 71 | // destructor |
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| 72 | NRODataset::~NRODataset() |
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| 73 | { |
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| 74 | // release memory |
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| 75 | releaseRecord() ; |
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| 76 | |
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| 77 | // close file |
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| 78 | close() ; |
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| 79 | } |
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| 80 | |
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| 81 | // data initialization |
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| 82 | void NRODataset::initialize() |
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| 83 | { |
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[2782] | 84 | LogIO os( LogOrigin( "NRODataset", "initialize()", WHERE ) ) ; |
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| 85 | |
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| 86 | int arymax = arrayMax() ; |
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| 87 | |
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| 88 | // check endian |
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| 89 | open() ; |
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| 90 | fseek( fp_, 144, SEEK_SET ) ; |
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| 91 | int tmp ; |
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| 92 | if( fread( &tmp, 1, sizeof(int), fp_ ) != sizeof(int) ) { |
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| 93 | os << LogIO::SEVERE << "Error while checking endian of the file. " << LogIO::EXCEPTION ; |
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| 94 | return ; |
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| 95 | } |
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| 96 | if ( ( 0 < tmp ) && ( tmp <= arymax ) ) { |
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| 97 | same_ = 1 ; |
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| 98 | os << LogIO::NORMAL << "same endian " << LogIO::POST ; |
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| 99 | } |
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| 100 | else { |
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| 101 | same_ = 0 ; |
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| 102 | os << LogIO::NORMAL << "different endian " << LogIO::POST ; |
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| 103 | } |
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| 104 | fseek( fp_, 0, SEEK_SET ) ; |
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| 105 | |
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| 106 | // common part of calculation of data size and memory allocation |
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| 107 | RX.resize( arymax ) ; |
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| 108 | HPBW.resize( arymax ) ; |
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| 109 | EFFA.resize( arymax ) ; |
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| 110 | EFFB.resize( arymax ) ; |
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| 111 | EFFL.resize( arymax ) ; |
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| 112 | EFSS.resize( arymax ) ; |
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| 113 | GAIN.resize( arymax ) ; |
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| 114 | HORN.resize( arymax ) ; |
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| 115 | POLTP.resize( arymax ) ; |
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| 116 | POLDR.resize( arymax ) ; |
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| 117 | POLAN.resize( arymax ) ; |
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| 118 | DFRQ.resize( arymax ) ; |
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| 119 | SIDBD.resize( arymax ) ; |
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| 120 | REFN.resize( arymax ) ; |
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| 121 | IPINT.resize( arymax ) ; |
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| 122 | MULTN.resize( arymax ) ; |
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| 123 | MLTSCF.resize( arymax ) ; |
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| 124 | LAGWIND.resize( arymax ) ; |
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| 125 | BEBW.resize( arymax ) ; |
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| 126 | BERES.resize( arymax ) ; |
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| 127 | CHWID.resize( arymax ) ; |
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| 128 | ARRY.resize( arymax ) ; |
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| 129 | NFCAL.resize( arymax ) ; |
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| 130 | F0CAL.resize( arymax ) ; |
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| 131 | FQCAL.resize( arymax ) ; |
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| 132 | CHCAL.resize( arymax ) ; |
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| 133 | CWCAL.resize( arymax ) ; |
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| 134 | DSBFC.resize( arymax ) ; |
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| 135 | |
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| 136 | for ( int i = 0 ; i < arymax ; i++ ) { |
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| 137 | FQCAL[i].resize( 10 ) ; |
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| 138 | CHCAL[i].resize( 10 ) ; |
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| 139 | CWCAL[i].resize( 10 ) ; |
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| 140 | } |
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| 141 | |
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[1757] | 142 | datasize_ = sizeof( char ) * 8 // LOFIL |
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| 143 | + sizeof( char ) * 8 // VER |
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| 144 | + sizeof( char ) * 16 // GROUP |
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| 145 | + sizeof( char ) * 16 // PROJ |
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| 146 | + sizeof( char ) * 24 // SCHED |
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| 147 | + sizeof( char ) * 40 // OBSVR |
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| 148 | + sizeof( char ) * 16 // LOSTM |
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| 149 | + sizeof( char ) * 16 // LOETM |
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| 150 | + sizeof( int ) * 2 // ARYNM, NSCAN |
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| 151 | + sizeof( char ) * 120 // TITLE |
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| 152 | + sizeof( char ) * 16 // OBJ |
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| 153 | + sizeof( char ) * 8 // EPOCH |
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| 154 | + sizeof( double ) * 4 // RA0, DEC0, GLNG0, GLAT0 |
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| 155 | + sizeof( int ) * 2 // NCALB, SCNCD |
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| 156 | + sizeof( char ) * 120 // SCMOD |
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| 157 | + sizeof( double ) // URVEL |
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| 158 | + sizeof( char ) * 4 // VREF |
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| 159 | + sizeof( char ) * 4 // VDEF |
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| 160 | + sizeof( char ) * 8 // SWMOD |
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| 161 | + sizeof( double ) * 8 // FRQSW, DBEAM, MLTOF, CMTQ, CMTE, CMTSOM, CMTNODE, CMTI |
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| 162 | + sizeof( char ) * 24 // CMTTM |
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| 163 | + sizeof( double ) * 6 // SBDX, SBDY, SBDZ1, SBDZ2, DAZP, DELP |
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| 164 | + sizeof( int ) * 4 // CHBIND, NUMCH, CHMIN, CHMAX |
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| 165 | + sizeof( double ) * 3 // ALCTM, IPTIM, PA |
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| 166 | + sizeof( int ) * 3 // SCNLEN, SBIND, IBIT |
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| 167 | + sizeof( char ) * 8 ; // SITE |
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| 168 | |
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| 169 | // NRODataRecord |
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| 170 | record_ = new NRODataRecord() ; |
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| 171 | record_->LDATA = NULL ; |
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[2782] | 172 | |
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| 173 | // reference frequency |
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| 174 | refFreq_.resize( arymax, 0.0 ) ; |
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[1757] | 175 | } |
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| 176 | |
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[2782] | 177 | // fill data header |
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| 178 | int NRODataset::fillHeader() |
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| 179 | { |
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| 180 | LogIO os( LogOrigin( "NRODataset", "fillHeader()", WHERE ) ) ; |
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| 181 | |
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| 182 | // open file |
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| 183 | if ( open() ) { |
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| 184 | os << LogIO::SEVERE << "Error opening file " << filename_ << "." << LogIO::EXCEPTION ; |
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| 185 | return -1 ; |
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| 186 | } |
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| 187 | |
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| 188 | // fill |
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| 189 | int status = fillHeader( same_ ) ; |
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| 190 | |
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| 191 | if ( status != 0 ) { |
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| 192 | os << LogIO::SEVERE << "Error while reading header " << filename_ << "." << LogIO::EXCEPTION ; |
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| 193 | return status ; |
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| 194 | } |
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| 195 | |
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| 196 | //scanNum_ = NSCAN + 1 ; // includes ZERO scan |
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| 197 | scanLen_ = SCNLEN ; |
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| 198 | dataLen_ = scanLen_ - SCAN_HEADER_SIZE ; |
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| 199 | scanNum_ = getScanNum(); |
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| 200 | rowNum_ = scanNum_ * ARYNM ; |
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| 201 | chmax_ = (int) ( dataLen_ * 8 / IBIT ) ; |
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| 202 | record_->LDATA = new char[dataLen_] ; |
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| 203 | |
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| 204 | initArray(); |
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| 205 | |
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| 206 | show() ; |
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| 207 | |
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| 208 | return status ; |
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| 209 | } |
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| 210 | |
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[1757] | 211 | void NRODataset::convertEndian( int &value ) |
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| 212 | { |
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| 213 | char volatile *first = reinterpret_cast<char volatile *>( &value ) ; |
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| 214 | char volatile *last = first + sizeof( int ) ; |
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| 215 | std::reverse( first, last ) ; |
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| 216 | } |
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| 217 | |
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| 218 | void NRODataset::convertEndian( float &value ) |
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| 219 | { |
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| 220 | char volatile *first = reinterpret_cast<char volatile *>( &value ) ; |
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| 221 | char volatile *last = first + sizeof( float ) ; |
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| 222 | std::reverse( first, last ) ; |
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| 223 | } |
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| 224 | |
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| 225 | void NRODataset::convertEndian( double &value ) |
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| 226 | { |
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| 227 | char volatile *first = reinterpret_cast<char volatile *>( &value ) ; |
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| 228 | char volatile *last = first + sizeof( double ) ; |
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| 229 | std::reverse( first, last ) ; |
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| 230 | } |
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| 231 | |
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| 232 | int NRODataset::readHeader( char *v, int size ) |
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| 233 | { |
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| 234 | if ( (int)( fread( v, 1, size, fp_ ) ) != size ) { |
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| 235 | return -1 ; |
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| 236 | } |
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| 237 | return 0 ; |
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| 238 | } |
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| 239 | |
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| 240 | int NRODataset::readHeader( int &v, int b ) |
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| 241 | { |
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| 242 | if ( fread( &v, 1, sizeof(int), fp_ ) != sizeof(int) ) { |
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| 243 | return -1 ; |
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| 244 | } |
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| 245 | |
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| 246 | if ( b == 0 ) |
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| 247 | convertEndian( v ) ; |
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| 248 | |
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| 249 | return 0 ; |
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| 250 | } |
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| 251 | |
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| 252 | int NRODataset::readHeader( float &v, int b ) |
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| 253 | { |
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| 254 | if ( fread( &v, 1, sizeof(float), fp_ ) != sizeof(float) ) { |
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| 255 | return -1 ; |
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| 256 | } |
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| 257 | |
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| 258 | if ( b == 0 ) |
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| 259 | convertEndian( v ) ; |
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| 260 | |
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| 261 | return 0 ; |
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| 262 | } |
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| 263 | |
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| 264 | int NRODataset::readHeader( double &v, int b ) |
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| 265 | { |
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| 266 | if ( fread( &v, 1, sizeof(double), fp_ ) != sizeof(double) ) { |
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| 267 | return -1 ; |
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| 268 | } |
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| 269 | |
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| 270 | if ( b == 0 ) |
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| 271 | convertEndian( v ) ; |
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| 272 | |
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| 273 | return 0 ; |
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| 274 | } |
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| 275 | |
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[2766] | 276 | void NRODataset::convertEndian( NRODataRecord &r ) |
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[1757] | 277 | { |
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[2766] | 278 | convertEndian( r.ISCAN ) ; |
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| 279 | convertEndian( r.DSCX ) ; |
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| 280 | convertEndian( r.DSCY ) ; |
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| 281 | convertEndian( r.SCX ) ; |
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| 282 | convertEndian( r.SCY ) ; |
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| 283 | convertEndian( r.PAZ ) ; |
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| 284 | convertEndian( r.PEL ) ; |
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| 285 | convertEndian( r.RAZ ) ; |
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| 286 | convertEndian( r.REL ) ; |
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| 287 | convertEndian( r.XX ) ; |
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| 288 | convertEndian( r.YY ) ; |
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| 289 | convertEndian( r.TEMP ) ; |
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| 290 | convertEndian( r.PATM ) ; |
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| 291 | convertEndian( r.PH2O ) ; |
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| 292 | convertEndian( r.VWIND ) ; |
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| 293 | convertEndian( r.DWIND ) ; |
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| 294 | convertEndian( r.TAU ) ; |
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| 295 | convertEndian( r.TSYS ) ; |
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| 296 | convertEndian( r.BATM ) ; |
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| 297 | convertEndian( r.LINE ) ; |
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[1757] | 298 | for ( int i = 0 ; i < 4 ; i++ ) |
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[2766] | 299 | convertEndian( r.IDMY1[i] ) ; |
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| 300 | convertEndian( r.VRAD ) ; |
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| 301 | convertEndian( r.FREQ0 ) ; |
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| 302 | convertEndian( r.FQTRK ) ; |
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| 303 | convertEndian( r.FQIF1 ) ; |
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| 304 | convertEndian( r.ALCV ) ; |
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[1757] | 305 | for ( int i = 0 ; i < 2 ; i++ ) |
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| 306 | for ( int j = 0 ; j < 2 ; j++ ) |
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[2766] | 307 | convertEndian( r.OFFCD[i][j] ) ; |
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| 308 | convertEndian( r.IDMY0 ) ; |
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| 309 | convertEndian( r.IDMY2 ) ; |
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| 310 | convertEndian( r.DPFRQ ) ; |
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| 311 | convertEndian( r.SFCTR ) ; |
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| 312 | convertEndian( r.ADOFF ) ; |
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[1757] | 313 | } |
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| 314 | |
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| 315 | void NRODataset::releaseRecord() |
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| 316 | { |
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[2766] | 317 | if ( !record_.null() ) { |
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[1757] | 318 | record_ = NULL ; |
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| 319 | } |
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| 320 | dataid_ = -1 ; |
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| 321 | } |
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| 322 | |
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| 323 | // Get specified scan |
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| 324 | NRODataRecord *NRODataset::getRecord( int i ) |
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| 325 | { |
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| 326 | // DEBUG |
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| 327 | //cout << "NRODataset::getRecord() Start " << i << endl ; |
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| 328 | // |
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| 329 | if ( i < 0 || i >= rowNum_ ) { |
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[2643] | 330 | LogIO os( LogOrigin( "NRODataset", "getRecord()", WHERE ) ) ; |
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[1757] | 331 | //cerr << "NRODataset::getRecord() data index out of range." << endl ; |
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| 332 | os << LogIO::SEVERE << "data index " << i << " out of range. return NULL." << LogIO::POST ; |
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| 333 | return NULL ; |
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| 334 | } |
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| 335 | |
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| 336 | if ( i == dataid_ ) { |
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[2766] | 337 | return &(*record_) ; |
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[1757] | 338 | } |
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| 339 | |
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| 340 | // DEBUG |
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| 341 | //cout << "NRODataset::getData() Get new dataset" << endl ; |
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| 342 | // |
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| 343 | // read data |
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| 344 | int status = fillRecord( i ) ; |
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| 345 | if ( status == 0 ) { |
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| 346 | dataid_ = i ; |
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| 347 | } |
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| 348 | else { |
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[2643] | 349 | LogIO os( LogOrigin( "NRODataset", "getRecord()", WHERE ) ) ; |
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[1757] | 350 | //cerr << "NRODataset::getRecord() error while reading data " << i << endl ; |
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[2777] | 351 | os << LogIO::SEVERE << "error while reading data " << i << ". return NULL." << LogIO::EXCEPTION ; |
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[1757] | 352 | dataid_ = -1 ; |
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| 353 | return NULL ; |
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| 354 | } |
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| 355 | |
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[2766] | 356 | return &(*record_) ; |
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[1757] | 357 | } |
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| 358 | |
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| 359 | int NRODataset::fillRecord( int i ) |
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| 360 | { |
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| 361 | int status = 0 ; |
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| 362 | |
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| 363 | status = open() ; |
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| 364 | if ( status != 0 ) |
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| 365 | return status ; |
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| 366 | |
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| 367 | |
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| 368 | // fill NRODataset |
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[2781] | 369 | long offset = getDataSize() + scanLen_ * i ; |
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[1757] | 370 | // DEBUG |
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| 371 | //cout << "NRODataset::fillRecord() offset (header) = " << offset << endl ; |
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| 372 | //cout << "NRODataset::fillRecord() sizeof(NRODataRecord) = " << sizeof( NRODataRecord ) << " byte" << endl ; |
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| 373 | fseek( fp_, offset, SEEK_SET ) ; |
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[2766] | 374 | if ( (int)fread( &(*record_), 1, SCAN_HEADER_SIZE, fp_ ) != SCAN_HEADER_SIZE ) { |
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[1757] | 375 | //cerr << "Failed to read scan header: " << i << endl ; |
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[2643] | 376 | LogIO os( LogOrigin( "NRODataset", "fillRecord()", WHERE ) ) ; |
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[1757] | 377 | os << LogIO::SEVERE << "Failed to read scan header for " << i << "th row." << LogIO::POST ; |
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| 378 | return -1 ; |
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| 379 | } |
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[2765] | 380 | if ( (int)fread( &(*record_->LDATA), 1, dataLen_, fp_ ) != dataLen_ ) { |
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[1757] | 381 | //cerr << "Failed to read spectral data: " << i << endl ; |
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[2643] | 382 | LogIO os( LogOrigin( "NRODataset", "fillRecord()", WHERE ) ) ; |
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[1757] | 383 | os << LogIO::SEVERE << "Failed to read spectral data for " << i << "th row." << LogIO::POST ; |
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| 384 | return -1 ; |
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| 385 | } |
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| 386 | |
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| 387 | if ( same_ == 0 ) { |
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[2766] | 388 | convertEndian( *record_ ) ; |
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[1757] | 389 | } |
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| 390 | |
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| 391 | // DWIND unit conversion (deg -> rad) |
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| 392 | record_->DWIND = record_->DWIND * M_PI / 180.0 ; |
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| 393 | |
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| 394 | return status ; |
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| 395 | } |
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| 396 | |
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| 397 | // open |
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| 398 | int NRODataset::open() |
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| 399 | { |
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| 400 | int status = 0 ; |
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| 401 | |
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| 402 | if ( fp_ == NULL ) { |
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| 403 | if ( (fp_ = fopen( filename_.c_str(), "rb" )) == NULL ) |
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| 404 | status = -1 ; |
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| 405 | else |
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| 406 | status = 0 ; |
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| 407 | } |
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| 408 | |
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| 409 | return status ; |
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| 410 | } |
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| 411 | |
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| 412 | // close |
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| 413 | void NRODataset::close() |
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| 414 | { |
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| 415 | // DEBUG |
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| 416 | //cout << "NRODataset::close() close file" << endl ; |
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| 417 | // |
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| 418 | if ( fp_ != NULL ) |
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| 419 | fclose( fp_ ) ; |
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| 420 | fp_ = NULL ; |
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| 421 | } |
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| 422 | |
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| 423 | // get spectrum |
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| 424 | vector< vector<double> > NRODataset::getSpectrum() |
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| 425 | { |
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[2289] | 426 | vector< vector<double> > spec(rowNum_); |
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[1757] | 427 | |
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| 428 | for ( int i = 0 ; i < rowNum_ ; i++ ) { |
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[2289] | 429 | spec[i] = getSpectrum( i ) ; |
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[1757] | 430 | } |
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| 431 | |
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| 432 | return spec ; |
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| 433 | } |
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| 434 | |
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| 435 | vector<double> NRODataset::getSpectrum( int i ) |
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| 436 | { |
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| 437 | // DEBUG |
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| 438 | //cout << "NRODataset::getSpectrum() start process (" << i << ")" << endl ; |
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| 439 | // |
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| 440 | // size of spectrum is not chmax_ but dataset_->getNCH() after binding |
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[2289] | 441 | const int nchan = NUMCH ; |
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[2643] | 442 | vector<double> spec( chmax_ ) ; // spectrum "before" binding |
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[1757] | 443 | // DEBUG |
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| 444 | //cout << "NRODataset::getSpectrum() nchan = " << nchan << " chmax_ = " << chmax_ << endl ; |
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| 445 | // |
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| 446 | |
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[2766] | 447 | const NRODataRecord *record = getRecord( i ) ; |
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[1757] | 448 | |
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[2289] | 449 | const int bit = IBIT ; // fixed to 12 bit |
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[1757] | 450 | double scale = record->SFCTR ; |
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| 451 | // DEBUG |
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| 452 | //cout << "NRODataset::getSpectrum() scale = " << scale << endl ; |
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| 453 | // |
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| 454 | double offset = record->ADOFF ; |
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| 455 | // DEBUG |
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| 456 | //cout << "NRODataset::getSpectrum() offset = " << offset << endl ; |
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| 457 | // |
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| 458 | if ( ( scale == 0.0 ) && ( offset == 0.0 ) ) { |
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| 459 | //cerr << "NRODataset::getSpectrum() zero spectrum (" << i << ")" << endl ; |
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[2643] | 460 | LogIO os( LogOrigin("NRODataset","getSpectrum",WHERE) ) ; |
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| 461 | os << LogIO::WARN << "zero spectrum for row " << i << LogIO::POST ; |
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[2748] | 462 | if ( spec.size() != (unsigned int)nchan ) |
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[2643] | 463 | spec.resize( nchan ) ; |
---|
| 464 | for ( vector<double>::iterator i = spec.begin() ; |
---|
| 465 | i != spec.end() ; i++ ) |
---|
| 466 | *i = 0.0 ; |
---|
| 467 | return spec ; |
---|
[1757] | 468 | } |
---|
[2765] | 469 | unsigned char *cdata = (unsigned char *)&(*record->LDATA) ; |
---|
[1757] | 470 | vector<double> mscale = MLTSCF ; |
---|
| 471 | double dscale = mscale[getIndex( i )] ; |
---|
| 472 | int cbind = CHBIND ; |
---|
| 473 | int chmin = CHMIN ; |
---|
| 474 | |
---|
[2643] | 475 | // char -> int -> double |
---|
| 476 | vector<double>::iterator iter = spec.begin() ; |
---|
[2289] | 477 | |
---|
| 478 | static const int shift_right[] = { |
---|
| 479 | 4, 0 |
---|
| 480 | }; |
---|
| 481 | static const int start_pos[] = { |
---|
| 482 | 0, 1 |
---|
| 483 | }; |
---|
| 484 | static const int incr[] = { |
---|
| 485 | 0, 3 |
---|
| 486 | }; |
---|
[1757] | 487 | int j = 0 ; |
---|
| 488 | for ( int i = 0 ; i < chmax_ ; i++ ) { |
---|
[2643] | 489 | // char -> int |
---|
[2289] | 490 | int ivalue = 0 ; |
---|
[1757] | 491 | if ( bit == 12 ) { // 12 bit qunatization |
---|
[2643] | 492 | const int ialt = i & 1 ; |
---|
| 493 | const int idx = j + start_pos[ialt]; |
---|
[2289] | 494 | const unsigned tmp = unsigned(cdata[idx]) << 8 | cdata[idx + 1]; |
---|
[2643] | 495 | ivalue = int((tmp >> shift_right[ialt]) & 0xFFF); |
---|
| 496 | j += incr[ialt]; |
---|
[2289] | 497 | } |
---|
[1757] | 498 | |
---|
[2643] | 499 | if ( ( ivalue < 0 ) || ( ivalue > 4096 ) ) { |
---|
[1757] | 500 | //cerr << "NRODataset::getSpectrum() ispec[" << i << "] is out of range" << endl ; |
---|
[2643] | 501 | LogIO os( LogOrigin( "NRODataset", "getSpectrum", WHERE ) ) ; |
---|
| 502 | os << LogIO::SEVERE << "ivalue for row " << i << " is out of range" << LogIO::EXCEPTION ; |
---|
[2748] | 503 | if ( spec.size() != (unsigned int)nchan ) |
---|
[2643] | 504 | spec.resize( nchan ) ; |
---|
| 505 | for ( vector<double>::iterator i = spec.begin() ; |
---|
| 506 | i != spec.end() ; i++ ) |
---|
| 507 | *i = 0.0 ; |
---|
| 508 | return spec ; |
---|
[1757] | 509 | } |
---|
| 510 | // DEBUG |
---|
| 511 | //cout << "NRODataset::getSpectrum() ispec[" << i << "] = " << ispec[i] << endl ; |
---|
| 512 | // |
---|
| 513 | |
---|
[2643] | 514 | // int -> double |
---|
| 515 | *iter = (double)( ivalue * scale + offset ) * dscale ; |
---|
[1757] | 516 | // DEBUG |
---|
[2643] | 517 | //cout << "NRODataset::getSpectrum() spec[" << i << "] = " << *iter << endl ; |
---|
[1757] | 518 | // |
---|
[2643] | 519 | iter++ ; |
---|
[1757] | 520 | } |
---|
| 521 | |
---|
[2643] | 522 | // channel binding if necessary |
---|
[1757] | 523 | if ( cbind != 1 ) { |
---|
[2643] | 524 | iter = spec.begin() ; |
---|
| 525 | advance( iter, chmin ) ; |
---|
| 526 | vector<double>::iterator iter2 = spec.begin() ; |
---|
[1757] | 527 | for ( int i = 0 ; i < nchan ; i++ ) { |
---|
[2643] | 528 | double sum0 = 0 ; |
---|
| 529 | double sum1 = 0 ; |
---|
| 530 | for ( int j = 0 ; j < cbind ; j++ ) { |
---|
| 531 | sum0 += *iter ; |
---|
| 532 | sum1 += 1.0 ; |
---|
| 533 | iter++ ; |
---|
[1757] | 534 | } |
---|
[2643] | 535 | *iter2 = sum0 / sum1 ; |
---|
| 536 | iter2++ ; |
---|
[1757] | 537 | // DEBUG |
---|
| 538 | //cout << "NRODataset::getSpectrum() bspec[" << i << "] = " << bspec[i] << endl ; |
---|
| 539 | // |
---|
| 540 | } |
---|
[2643] | 541 | spec.resize( nchan ) ; |
---|
[1757] | 542 | } |
---|
| 543 | |
---|
| 544 | // DEBUG |
---|
| 545 | //cout << "NRODataset::getSpectrum() end process" << endl ; |
---|
| 546 | // |
---|
| 547 | |
---|
[2643] | 548 | return spec ; |
---|
[1757] | 549 | } |
---|
| 550 | |
---|
| 551 | int NRODataset::getIndex( int irow ) |
---|
| 552 | { |
---|
| 553 | // DEBUG |
---|
| 554 | //cout << "NRODataset::getIndex() start" << endl ; |
---|
| 555 | // |
---|
[2766] | 556 | const NRODataRecord *record = getRecord( irow ) ; |
---|
[2777] | 557 | |
---|
[2766] | 558 | const string str = record->ARRYT ; |
---|
[1757] | 559 | // DEBUG |
---|
| 560 | //cout << "NRODataset::getIndex() str = " << str << endl ; |
---|
| 561 | // |
---|
[2777] | 562 | int index = (int)getArrayId(str); |
---|
[1757] | 563 | // DEBUG |
---|
[2777] | 564 | //cout << "NRODataset::getIndex() irow = " << irow << "str = " << str << " index = " << index << endl ; |
---|
[1757] | 565 | // |
---|
| 566 | |
---|
| 567 | // DEBUG |
---|
| 568 | //cout << "NRODataset::getIndex() end" << endl ; |
---|
| 569 | // |
---|
| 570 | return index ; |
---|
| 571 | } |
---|
| 572 | |
---|
| 573 | int NRODataset::getPolarizationNum() |
---|
| 574 | { |
---|
| 575 | // DEBUG |
---|
| 576 | //cout << "NRODataset::getPolarizationNum() start process" << endl ; |
---|
| 577 | // |
---|
[2777] | 578 | int npol = 1; |
---|
| 579 | Regex reRx2("(.*V|H20ch2)$"); |
---|
| 580 | Regex reRx1("(.*H|H20ch1)$"); |
---|
| 581 | Bool match1 = false; |
---|
| 582 | Bool match2 = false; |
---|
| 583 | for (int i = 0; i < arrayMax(); i++) { |
---|
[2778] | 584 | //cout << "RX[" << i << "]=" << RX[i] << endl; |
---|
[2777] | 585 | if (!match1) { |
---|
| 586 | match1 = (reRx1.match(RX[i].c_str(), RX[i].size()) != String::npos); |
---|
[1757] | 587 | } |
---|
[2777] | 588 | if (!match2) { |
---|
| 589 | match2 = (reRx2.match(RX[i].c_str(), RX[i].size()) != String::npos); |
---|
[1757] | 590 | } |
---|
| 591 | } |
---|
| 592 | |
---|
[2777] | 593 | if (match1 && match2) |
---|
| 594 | npol = 2; |
---|
[1757] | 595 | |
---|
[2777] | 596 | //cout << "npol = " << npol << endl; |
---|
| 597 | |
---|
[1757] | 598 | // DEBUG |
---|
| 599 | //cout << "NRODataset::getPolarizationNum() end process" << endl ; |
---|
| 600 | // |
---|
| 601 | |
---|
| 602 | return npol ; |
---|
| 603 | } |
---|
| 604 | |
---|
| 605 | vector<double> NRODataset::getStartIntTime() |
---|
| 606 | { |
---|
| 607 | vector<double> times ; |
---|
| 608 | for ( int i = 0 ; i < rowNum_ ; i++ ) { |
---|
| 609 | times.push_back( getStartIntTime( i ) ) ; |
---|
| 610 | } |
---|
| 611 | return times ; |
---|
| 612 | } |
---|
| 613 | |
---|
| 614 | double NRODataset::getStartIntTime( int i ) |
---|
| 615 | { |
---|
[2766] | 616 | const NRODataRecord *record = getRecord( i ) ; |
---|
[1757] | 617 | |
---|
[2766] | 618 | const char *t = record->LAVST ; |
---|
[1757] | 619 | return getMJD( t ) ; |
---|
| 620 | } |
---|
| 621 | |
---|
[2766] | 622 | double NRODataset::getMJD( const char *time ) |
---|
[1757] | 623 | { |
---|
| 624 | // TODO: should be checked which time zone the time depends on |
---|
| 625 | // 2008/11/14 Takeshi Nakazato |
---|
| 626 | string strStartTime( time ) ; |
---|
| 627 | string strYear = strStartTime.substr( 0, 4 ) ; |
---|
| 628 | string strMonth = strStartTime.substr( 4, 2 ) ; |
---|
| 629 | string strDay = strStartTime.substr( 6, 2 ) ; |
---|
| 630 | string strHour = strStartTime.substr( 8, 2 ) ; |
---|
| 631 | string strMinute = strStartTime.substr( 10, 2 ) ; |
---|
| 632 | string strSecond = strStartTime.substr( 12, strStartTime.size() - 12 ) ; |
---|
| 633 | unsigned int year = atoi( strYear.c_str() ) ; |
---|
| 634 | unsigned int month = atoi( strMonth.c_str() ) ; |
---|
| 635 | unsigned int day = atoi( strDay.c_str() ) ; |
---|
| 636 | unsigned int hour = atoi( strHour.c_str() ) ; |
---|
| 637 | unsigned int minute = atoi( strMinute.c_str() ) ; |
---|
| 638 | double second = atof( strSecond.c_str() ) ; |
---|
| 639 | Time t( year, month, day, hour, minute, second ) ; |
---|
| 640 | |
---|
| 641 | return t.modifiedJulianDay() ; |
---|
| 642 | } |
---|
| 643 | |
---|
[2156] | 644 | double NRODataset::getScanTime( int i ) |
---|
| 645 | { |
---|
| 646 | double startTime = getStartIntTime( i ) ; |
---|
| 647 | double interval = getIPTIM() / 86400.0 ; // [sec]->[day] |
---|
| 648 | return startTime+0.5*interval ; |
---|
| 649 | } |
---|
| 650 | |
---|
[1757] | 651 | vector<bool> NRODataset::getIFs() |
---|
| 652 | { |
---|
| 653 | vector<bool> v ; |
---|
| 654 | vector< vector<double> > fref ; |
---|
| 655 | vector< vector<double> > chcal = CHCAL ; |
---|
| 656 | vector<double> f0cal = F0CAL ; |
---|
| 657 | vector<double> beres = BERES ; |
---|
| 658 | for ( int i = 0 ; i < rowNum_ ; i++ ) { |
---|
| 659 | vector<double> f( 4, 0 ) ; |
---|
| 660 | uInt index = getIndex( i ) ; |
---|
| 661 | f[0] = chcal[index][0] ; |
---|
| 662 | f[1] = f0cal[index] ; |
---|
| 663 | f[2] = beres[index] ; |
---|
| 664 | if ( f[0] != 0. ) { |
---|
| 665 | f[1] = f[1] - f[0] * f[2] ; |
---|
| 666 | } |
---|
[2766] | 667 | const NRODataRecord *record = getRecord( i ) ; |
---|
[1757] | 668 | f[3] = record->FREQ0 ; |
---|
| 669 | if ( v.size() == 0 ) { |
---|
| 670 | v.push_back( True ) ; |
---|
| 671 | fref.push_back( f ) ; |
---|
| 672 | } |
---|
| 673 | else { |
---|
| 674 | bool b = true ; |
---|
| 675 | int fsize = fref.size() ; |
---|
| 676 | for ( int j = 0 ; j < fsize ; j++ ) { |
---|
| 677 | if ( fref[j][1] == f[1] && fref[j][2] == f[2] && fref[j][3] == f[3] ) { |
---|
| 678 | b = false ; |
---|
| 679 | } |
---|
| 680 | } |
---|
| 681 | if ( b ) { |
---|
| 682 | v.push_back( True ) ; |
---|
| 683 | fref.push_back( f ) ; |
---|
| 684 | } |
---|
| 685 | } |
---|
| 686 | } |
---|
| 687 | |
---|
| 688 | |
---|
| 689 | // DEBUG |
---|
| 690 | //cout << "NRODataset::getIFs() number of IF is " << v.size() << endl ; |
---|
| 691 | // |
---|
| 692 | |
---|
| 693 | return v ; |
---|
| 694 | } |
---|
| 695 | |
---|
| 696 | vector<double> NRODataset::getFrequencies( int i ) |
---|
| 697 | { |
---|
| 698 | // return value |
---|
| 699 | // v[0] reference channel |
---|
| 700 | // v[1] reference frequency |
---|
| 701 | // v[2] frequency increment |
---|
| 702 | vector<double> v( 3, 0.0 ) ; |
---|
| 703 | |
---|
[2766] | 704 | const NRODataRecord *record = getRecord( i ) ; |
---|
[1757] | 705 | string arryt = string( record->ARRYT ) ; |
---|
| 706 | uInt ib = getArrayId( arryt ) ; |
---|
[2202] | 707 | string rxname = getRX()[0] ; |
---|
| 708 | string key = arryt ; |
---|
| 709 | if ( rxname.find("MULT2") != string::npos ) |
---|
| 710 | key = "BEARS" ; |
---|
[1757] | 711 | |
---|
[2202] | 712 | if ( frec_.isDefined( key ) ) { |
---|
[2198] | 713 | // frequency for the array is already calculated |
---|
[2202] | 714 | Vector<Double> f = frec_.asArrayDouble( key ) ; |
---|
[2198] | 715 | Double *f_p = f.data() ; |
---|
| 716 | for ( int i = 0 ; i < 3 ; i++ ) |
---|
| 717 | v[i] = (double)(f_p[i]) ; |
---|
| 718 | return v ; |
---|
| 719 | } |
---|
| 720 | |
---|
| 721 | //int ia = -1 ; |
---|
[1757] | 722 | bool isAOS = false ; |
---|
| 723 | //cout << "NRODataset::getFrequencies() record->ARRYT=" << record->ARRYT << endl ; |
---|
| 724 | //cout << "NRODataset::getFrequencies() ib = " << ib << endl ; |
---|
| 725 | |
---|
[2201] | 726 | if ( arryt[0] == 'W' || arryt[0] == 'U' || arryt[0] == 'H' ) |
---|
[1757] | 727 | isAOS = true ; |
---|
| 728 | |
---|
[2198] | 729 | Bool isUSB ; |
---|
[1757] | 730 | if ( record->FQIF1 > 0 ) |
---|
[2198] | 731 | isUSB = True ; // USB |
---|
[1757] | 732 | else |
---|
[2198] | 733 | isUSB = False ; // LSB |
---|
[1757] | 734 | |
---|
| 735 | int ivdef = -1 ; |
---|
| 736 | if ( (getVDEF()).compare( 0, 3, "RAD" ) == 0 ) |
---|
| 737 | ivdef = 0 ; |
---|
| 738 | else if ( (getVDEF()).compare( 0, 3, "OPT" ) == 0 ) |
---|
| 739 | ivdef = 1 ; |
---|
| 740 | // DEBUG |
---|
| 741 | //cout << "NRODataset::getFrequencies() ivdef = " << ivdef << endl ; |
---|
| 742 | // |
---|
| 743 | double vel = getURVEL() + record->VRAD ; |
---|
| 744 | double cvel = 2.99792458e8 ; // speed of light [m/s] |
---|
| 745 | double fq0 = record->FREQ0 ; |
---|
| 746 | //double fq0 = record->FQTRK ; |
---|
| 747 | |
---|
| 748 | int ncal = getNFCAL()[ib] ; |
---|
| 749 | double cw = 0.0 ; |
---|
| 750 | vector<double> fqcal = getFQCAL()[ib] ; |
---|
| 751 | vector<double> chcal = getCHCAL()[ib] ; |
---|
[2198] | 752 | double f0cal = getF0CAL()[ib] ; |
---|
| 753 | Vector<Double> freqs( ncal, fq0-f0cal ) ; |
---|
[1757] | 754 | |
---|
[2198] | 755 | double factor = vel / cvel ; |
---|
| 756 | if ( ivdef == 0 ) |
---|
| 757 | factor = 1.0 / ( 1.0 - factor ) ; |
---|
[1757] | 758 | for ( int ii = 0 ; ii < ncal ; ii++ ) { |
---|
[2198] | 759 | freqs[ii] += fqcal[ii] ; |
---|
| 760 | if ( ivdef == 0 ) { |
---|
| 761 | freqs[ii] = freqs[ii] * factor + record->FQTRK * ( 1.0 - factor ) ; |
---|
[1757] | 762 | } |
---|
[2198] | 763 | else if ( ivdef == 1 ) { |
---|
| 764 | freqs[ii] = freqs[ii] * ( 1.0 + factor ) - record->FQTRK * factor ; |
---|
| 765 | } |
---|
| 766 | |
---|
| 767 | //ofstream ofs("freqs.txt",ios::out|ios::app) ; |
---|
| 768 | //ofs << setprecision(16) ; |
---|
| 769 | //ofs << i << " " << record->ARRYT << " " << chcal[ii] << " " << freqs[ii] << " " << record->ISCAN << " " << fqcal[ii] << " " << f0cal << " " << record->FQTRK << " " << vel << endl ; |
---|
| 770 | //ofs.close() ; |
---|
| 771 | |
---|
[1757] | 772 | } |
---|
| 773 | |
---|
| 774 | if ( isAOS ) { |
---|
| 775 | // regridding |
---|
| 776 | while ( ncal < (int)chcal.size() ) { |
---|
| 777 | chcal.pop_back() ; |
---|
| 778 | } |
---|
| 779 | Vector<Double> xin( chcal ) ; |
---|
| 780 | Vector<Double> yin( freqs ) ; |
---|
| 781 | int nchan = getNUMCH() ; |
---|
| 782 | Vector<Double> xout( nchan ) ; |
---|
| 783 | indgen( xout ) ; |
---|
| 784 | Vector<Double> yout ; |
---|
| 785 | InterpolateArray1D<Double, Double>::interpolate( yout, xout, xin, yin, InterpolateArray1D<Double,Double>::cubic ) ; |
---|
| 786 | Double bw = abs( yout[nchan-1] - yout[0] ) ; |
---|
| 787 | bw += 0.5 * abs( yout[nchan-1] - yout[nchan-2] + yout[1] - yout[0] ) ; |
---|
| 788 | Double dz = bw / (Double) nchan ; |
---|
| 789 | if ( yout[0] > yout[1] ) |
---|
| 790 | dz = - dz ; |
---|
| 791 | v[0] = 0 ; |
---|
| 792 | v[1] = yout[0] ; |
---|
| 793 | v[2] = dz ; |
---|
| 794 | } |
---|
| 795 | else { |
---|
[2198] | 796 | |
---|
[2212] | 797 | cw = ( freqs[1] - freqs[0] ) |
---|
| 798 | / ( chcal[1] - chcal[0] ) ; |
---|
| 799 | |
---|
| 800 | if ( isUSB ) { |
---|
| 801 | // channel frequency inversion |
---|
[2198] | 802 | cw *= -1.0 ; |
---|
[2212] | 803 | Double tmp = freqs[1] ; |
---|
| 804 | freqs[1] = freqs[0] ; |
---|
| 805 | freqs[0] = tmp ; |
---|
| 806 | } |
---|
[1757] | 807 | |
---|
| 808 | v[0] = chcal[0] - 1 ; // 0-base |
---|
| 809 | v[1] = freqs[0] ; |
---|
| 810 | v[2] = cw ; |
---|
| 811 | } |
---|
| 812 | |
---|
[2198] | 813 | if ( refFreq_[ib] == 0.0 ) |
---|
[1868] | 814 | refFreq_[ib] = v[1] ; |
---|
| 815 | |
---|
[2198] | 816 | // register frequency setting to Record |
---|
| 817 | Vector<Double> f( v ) ; |
---|
[2202] | 818 | frec_.define( key, f ) ; |
---|
[2198] | 819 | |
---|
[1757] | 820 | return v ; |
---|
| 821 | } |
---|
| 822 | |
---|
| 823 | uInt NRODataset::getArrayId( string type ) |
---|
| 824 | { |
---|
| 825 | string sbeamno = type.substr( 1, type.size()-1 ) ; |
---|
| 826 | uInt ib = atoi( sbeamno.c_str() ) - 1 ; |
---|
| 827 | return ib ; |
---|
| 828 | } |
---|
| 829 | |
---|
[2777] | 830 | uInt NRODataset::getSortedArrayId( string type ) |
---|
| 831 | { |
---|
| 832 | uInt index = 0; |
---|
| 833 | while (arrayNames_[index] != type && index < (uInt)ARYNM) |
---|
| 834 | ++index; |
---|
| 835 | return index; |
---|
| 836 | } |
---|
| 837 | |
---|
[1757] | 838 | void NRODataset::show() |
---|
| 839 | { |
---|
| 840 | LogIO os( LogOrigin( "NRODataset", "show()", WHERE ) ) ; |
---|
| 841 | |
---|
| 842 | os << LogIO::NORMAL << "------------------------------------------------------------" << endl ; |
---|
| 843 | os << LogIO::NORMAL << "Number of scan = " << scanNum_ << endl ; |
---|
| 844 | os << LogIO::NORMAL << "Number of data record = " << rowNum_ << endl ; |
---|
| 845 | os << LogIO::NORMAL << "Length of data record = " << scanLen_ << " bytes" << endl ; |
---|
| 846 | os << LogIO::NORMAL << "Allocated memory for spectral data = " << dataLen_ << " bytes" << endl ; |
---|
| 847 | os << LogIO::NORMAL << "Max number of channel = " << chmax_ << endl ; |
---|
| 848 | os << LogIO::NORMAL << "------------------------------------------------------------" << endl ; |
---|
| 849 | os.post() ; |
---|
| 850 | |
---|
| 851 | } |
---|
[1868] | 852 | |
---|
| 853 | double NRODataset::toLSR( double v, double t, double x, double y ) |
---|
| 854 | { |
---|
| 855 | double vlsr ; |
---|
| 856 | |
---|
| 857 | // get epoch |
---|
| 858 | double tcent = t + 0.5*getIPTIM()/86400.0 ; |
---|
| 859 | MEpoch me( Quantity( tcent, "d" ), MEpoch::UTC ) ; |
---|
| 860 | |
---|
| 861 | // get antenna position |
---|
| 862 | MPosition mp ; |
---|
| 863 | if ( SITE.find( "45" ) != string::npos ) { |
---|
| 864 | // 45m telescope |
---|
| 865 | Double posx = -3.8710235e6 ; |
---|
| 866 | Double posy = 3.4281068e6 ; |
---|
| 867 | Double posz = 3.7240395e6 ; |
---|
| 868 | mp = MPosition( MVPosition( posx, posy, posz ), |
---|
| 869 | MPosition::ITRF ) ; |
---|
| 870 | } |
---|
| 871 | else { |
---|
| 872 | // ASTE |
---|
| 873 | Vector<Double> pos( 2 ) ; |
---|
| 874 | pos[0] = -67.7031 ; |
---|
| 875 | pos[1] = -22.9717 ; |
---|
| 876 | Double sitealt = 4800.0 ; |
---|
| 877 | mp = MPosition( MVPosition( Quantity( sitealt, "m" ), |
---|
| 878 | Quantum< Vector<Double> >( pos, "deg" ) ), |
---|
| 879 | MPosition::WGS84 ) ; |
---|
| 880 | } |
---|
| 881 | |
---|
| 882 | // get direction |
---|
| 883 | MDirection md ; |
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| 884 | if ( SCNCD == 0 ) { |
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| 885 | // RADEC |
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| 886 | if ( EPOCH == "B1950" ) { |
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| 887 | md = MDirection( Quantity( Double(x), "rad" ), Quantity( Double(y), "rad" ), |
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| 888 | MDirection::B1950 ) ; |
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| 889 | } |
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| 890 | else { |
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| 891 | md = MDirection( Quantity( Double(x), "rad" ), Quantity( Double(y), "rad" ), |
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| 892 | MDirection::J2000 ) ; |
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| 893 | } |
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| 894 | } |
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| 895 | else if ( SCNCD == 1 ) { |
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| 896 | // LB |
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| 897 | md = MDirection( Quantity( Double(x), "rad" ), Quantity( Double(y), "rad" ), |
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| 898 | MDirection::GALACTIC ) ; |
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| 899 | } |
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| 900 | else { |
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| 901 | // AZEL |
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| 902 | md = MDirection( Quantity( Double(x), "rad" ), Quantity( Double(y), "rad" ), |
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| 903 | MDirection::AZEL ) ; |
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| 904 | } |
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| 905 | |
---|
| 906 | // to LSR |
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| 907 | MeasFrame mf( me, mp, md ) ; |
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| 908 | MFrequency::Convert tolsr( MFrequency::TOPO, MFrequency::Ref( MFrequency::LSRK, mf ) ) ; |
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| 909 | vlsr = (double)(tolsr( Double(v) ).get( "Hz" ).getValue()) ; |
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| 910 | |
---|
| 911 | return vlsr ; |
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| 912 | } |
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[2434] | 913 | |
---|
| 914 | uInt NRODataset::getPolNo( int i ) |
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| 915 | { |
---|
| 916 | int idx = getIndex( i ) ; |
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| 917 | // cout << "HORN[" << idx << "]=" << HORN[idx] |
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| 918 | // << ", RX[" << idx << "]=" << RX[idx] << endl ; |
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[2748] | 919 | return polNoFromRX( RX[idx] ) ; |
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[2434] | 920 | } |
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| 921 | |
---|
[2748] | 922 | uInt NRODataset::polNoFromRX( const string &rx ) |
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[2434] | 923 | { |
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| 924 | uInt polno = 0 ; |
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[2748] | 925 | // 2013/01/23 TN |
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| 926 | // In NRO 45m telescope, naming convension for dual-polarization |
---|
| 927 | // receiver is as follows: |
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[2434] | 928 | // |
---|
[2748] | 929 | // xxxH for horizontal component, |
---|
| 930 | // xxxV for vertical component. |
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[2434] | 931 | // |
---|
[2748] | 932 | // Exception is H20ch1/ch2. |
---|
| 933 | // Here, POLNO is assigned as follows: |
---|
| 934 | // |
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| 935 | // POLNO=0: xxxH or H20ch1 |
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| 936 | // 1: xxxV or H20ch2 |
---|
| 937 | // |
---|
| 938 | // For others, POLNO is always 0. |
---|
| 939 | String rxString(rx); |
---|
| 940 | rxString.trim(); |
---|
| 941 | //cout << "rx='" << rxString << "' (size " << rxString.size() << ")" << endl; |
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| 942 | Regex reRx("(.*V|H20ch2)$"); |
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| 943 | if (reRx.match(rxString.c_str(), rxString.size()) != String::npos) { |
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| 944 | //cout << "match!" << endl; |
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| 945 | polno = 1; |
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| 946 | } |
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[2434] | 947 | return polno ; |
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| 948 | } |
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[2777] | 949 | |
---|
| 950 | void NRODataset::initArray() |
---|
| 951 | { |
---|
| 952 | if (ARYNM <= 0) |
---|
| 953 | throw AipsError("ARYNM must be greater than zero."); |
---|
| 954 | |
---|
| 955 | int numArray = 0; |
---|
| 956 | arrayNames_.resize(ARYNM); |
---|
| 957 | for (int irow = 0; numArray < ARYNM && irow < rowNum_; irow++) { |
---|
[2779] | 958 | //cout << "irow " << irow << endl; |
---|
[2777] | 959 | const NRODataRecord *record = getRecord( irow ) ; |
---|
| 960 | const string str = record->ARRYT ; |
---|
| 961 | if (find(arrayNames_.begin(), arrayNames_.end(), str) == arrayNames_.end()) { |
---|
| 962 | arrayNames_[numArray] = str; |
---|
[2779] | 963 | //cout << "arrayNames_[" << numArray << "]=" << str << endl; |
---|
[2777] | 964 | ++numArray; |
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| 965 | } |
---|
| 966 | } |
---|
[2779] | 967 | //cout << "numArray=" << numArray << endl; |
---|
[2777] | 968 | } |
---|
[2781] | 969 | |
---|
| 970 | int NRODataset::getScanNum() |
---|
| 971 | { |
---|
| 972 | long offset = getDataSize() + scanLen_ * NSCAN * ARYNM ; |
---|
| 973 | fseek( fp_, offset, SEEK_SET ) ; |
---|
| 974 | // try to read data |
---|
| 975 | fgetc( fp_ ) ; |
---|
| 976 | int eof = feof( fp_ ) ; |
---|
| 977 | //cout << "eof=" << eof << endl; |
---|
| 978 | // reset file pointer |
---|
| 979 | fseek( fp_, 0, SEEK_SET ) ; |
---|
| 980 | return NSCAN + (eof > 0 ? 0 : 1) ; |
---|
| 981 | } |
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