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