[1757] | 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# NROReader.cc: Base class for NRO headerdata. |
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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: 2008/10/30, Takeshi Nakazato, NAOJ |
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| 31 | //#--------------------------------------------------------------------------- |
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| 32 | |
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| 33 | #include <atnf/PKSIO/NROReader.h> |
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| 34 | #include <atnf/PKSIO/NRO45Reader.h> |
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| 35 | #include <atnf/PKSIO/ASTEReader.h> |
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| 36 | #include <atnf/PKSIO/ASTEFXReader.h> |
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| 37 | #include <atnf/PKSIO/NRO45FITSReader.h> |
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| 38 | #include <atnf/PKSIO/NROOTFDataset.h> |
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| 39 | #include <atnf/PKSIO/ASTEDataset.h> |
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| 40 | |
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[2200] | 41 | #include <measures/Measures/MEpoch.h> |
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| 42 | #include <measures/Measures/MPosition.h> |
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[1757] | 43 | #include <measures/Measures/MDirection.h> |
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| 44 | #include <measures/Measures/MCDirection.h> |
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[2200] | 45 | #include <measures/Measures/MeasFrame.h> |
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[1757] | 46 | #include <measures/Measures/MeasConvert.h> |
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| 47 | |
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[2761] | 48 | #include <casa/Logging/LogIO.h> |
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[1757] | 49 | #include <casa/IO/RegularFileIO.h> |
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| 50 | #include <casa/OS/File.h> |
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| 51 | #include <casa/OS/Time.h> |
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| 52 | |
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| 53 | #include <stdio.h> |
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| 54 | #include <string> |
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| 55 | #include <iomanip> |
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| 56 | |
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| 57 | using namespace std ; |
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| 58 | |
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[3097] | 59 | namespace { |
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| 60 | // to limit template argument to specified type |
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| 61 | template<class T> |
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| 62 | constexpr inline bool type_guard() { |
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| 63 | return false; |
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| 64 | } |
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| 65 | template<> |
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| 66 | constexpr inline bool type_guard<string>() { |
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| 67 | return true; |
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| 68 | } |
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| 69 | template<> |
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| 70 | constexpr inline bool type_guard<String>() { |
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| 71 | return true; |
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| 72 | } |
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| 73 | |
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| 74 | // T must be std::string or casa::String |
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| 75 | template<class T> |
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| 76 | inline String trim_nro_string(T const &s) { |
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| 77 | static_assert(type_guard<T>(), ""); |
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| 78 | return s.substr(0, s.find_first_of('\0')); |
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| 79 | } |
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| 80 | } |
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| 81 | |
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[1757] | 82 | // |
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| 83 | // getNROReader |
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| 84 | // |
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| 85 | // Return an appropriate NROReader for a NRO 45m and ASTE dataset. |
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| 86 | // |
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| 87 | NROReader *getNROReader( const String filename, |
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| 88 | String &datatype ) |
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| 89 | { |
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| 90 | LogIO os( LogOrigin( "", "getNROReader()", WHERE ) ) ; |
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| 91 | |
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| 92 | // Check accessibility of the input. |
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| 93 | File inFile( filename ) ; |
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| 94 | if ( !inFile.exists() ) { |
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| 95 | datatype = filename + " not found." ; |
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| 96 | return 0 ; |
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| 97 | } |
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| 98 | |
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| 99 | if ( !inFile.isReadable() ) { |
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| 100 | datatype = filename + " is not readable." ; |
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| 101 | return 0 ; |
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| 102 | } |
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| 103 | |
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| 104 | // Determine the type of input. |
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| 105 | NROReader *reader = 0; |
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| 106 | if ( inFile.isRegular() ) { |
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| 107 | FILE *file ; |
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| 108 | file = fopen( filename.c_str(), "r" ) ; |
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| 109 | // read LOFIL0 |
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| 110 | char buf[9]; |
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[3066] | 111 | size_t retval = fread( buf, 4, 1, file ) ; |
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| 112 | if (retval < 1) { |
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| 113 | os << LogIO::SEVERE << "Failed to read data" << LogIO::POST; |
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| 114 | fclose(file); |
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| 115 | return 0; |
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| 116 | } |
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[1757] | 117 | buf[4] = '\0' ; |
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| 118 | // DEBUG |
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| 119 | //os << LogIO::NORMAL << "getNROReader:: buf = " << String(buf) << LogIO::POST ; |
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| 120 | // |
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| 121 | if ( string( buf ) == "XTEN" ) { |
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| 122 | // FITS data |
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| 123 | datatype = "NRO 45m FITS" ; |
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| 124 | reader = new NRO45FITSReader( filename ) ; |
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| 125 | } |
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| 126 | else if ( string( buf ) == "RW-F") { |
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| 127 | // ASTE-FX data |
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| 128 | datatype = "ASTE-FX"; |
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| 129 | reader = new ASTEFXReader( filename ); |
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| 130 | } else { |
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| 131 | // otherwise, read SITE0 |
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| 132 | NRODataset *d = new NROOTFDataset( filename ) ; |
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[2782] | 133 | d->initialize() ; |
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[1757] | 134 | int size = d->getDataSize() - 188 ; |
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| 135 | delete d ; |
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| 136 | fseek( file, size, SEEK_SET ) ; |
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[3066] | 137 | size_t retval = fread( buf, 8, 1, file ) ; |
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| 138 | if (retval < 1) { |
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| 139 | os << LogIO::SEVERE << "Failed to read data" << LogIO::POST; |
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| 140 | fclose(file); |
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| 141 | return 0; |
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| 142 | } |
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[1757] | 143 | buf[8] = '\0' ; |
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| 144 | // DEBUG |
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| 145 | //cout << "getNROReader:: buf = " << buf << endl ; |
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| 146 | // |
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| 147 | if ( string( buf ) == "NRO" ) { |
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| 148 | // NRO 45m data |
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| 149 | datatype = "NRO 45m OTF" ; |
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| 150 | reader = new NRO45Reader( filename ); |
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| 151 | } |
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| 152 | else { |
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| 153 | d = new ASTEDataset( filename ) ; |
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[2782] | 154 | d->initialize() ; |
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[1757] | 155 | size = d->getDataSize() - 188 ; |
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| 156 | delete d ; |
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| 157 | fseek( file, size, SEEK_SET ) ; |
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[3066] | 158 | size_t retval = fread( buf, 8, 1, file ) ; |
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| 159 | if (retval < 1) { |
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| 160 | os << LogIO::SEVERE << "Failed to read data" << LogIO::POST; |
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| 161 | fclose(file); |
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| 162 | return 0; |
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| 163 | } |
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[1757] | 164 | buf[8] = '\0' ; |
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| 165 | // DEBUG |
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| 166 | //cout << "getNROReader:: buf = " << buf << endl ; |
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| 167 | // |
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| 168 | if ( string( buf ) == "ASTE" ) { |
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| 169 | // ASTE data |
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| 170 | datatype = "ASTE" ; |
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| 171 | reader = new ASTEReader( filename ) ; |
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| 172 | } |
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| 173 | else { |
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| 174 | datatype = "UNRECOGNIZED INPUT FORMAT"; |
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| 175 | } |
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| 176 | } |
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| 177 | } |
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| 178 | fclose( file ) ; |
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| 179 | } else { |
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| 180 | datatype = "UNRECOGNIZED INPUT FORMAT"; |
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| 181 | } |
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| 182 | |
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| 183 | // DEBUG |
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| 184 | os << LogIO::NORMAL << "Data format of " << filename << ": " << datatype << LogIO::POST ; |
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| 185 | // |
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| 186 | |
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| 187 | // return reader if exists |
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| 188 | if ( reader ) { |
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| 189 | reader->read() ; |
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| 190 | return reader ; |
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| 191 | } |
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| 192 | |
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| 193 | return 0 ; |
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| 194 | } |
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| 195 | |
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| 196 | |
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| 197 | // |
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| 198 | // getNROReader |
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| 199 | // |
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| 200 | // Search a list of directories for a NRO 45m and ASTE dataset and return an |
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| 201 | // appropriate NROReader for it. |
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| 202 | // |
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| 203 | NROReader* getNROReader( const String name, |
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| 204 | const Vector<String> directories, |
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| 205 | int &iDir, |
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| 206 | String &datatype ) |
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| 207 | { |
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| 208 | int nDir = directories.size(); |
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| 209 | for ( iDir = 0; iDir < nDir; iDir++ ) { |
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| 210 | string inName = directories[iDir] + "/" + name; |
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| 211 | NROReader *reader = getNROReader( inName, datatype ) ; |
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| 212 | |
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| 213 | if (reader != 0) { |
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| 214 | return reader; |
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| 215 | } |
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| 216 | } |
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| 217 | |
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| 218 | iDir = -1; |
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| 219 | return 0; |
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| 220 | } |
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| 221 | |
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| 222 | |
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| 223 | //---------------------------------------------------------------------- |
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| 224 | // constructor |
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[2643] | 225 | NROReader::NROReader( string name ) |
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| 226 | : dataset_( NULL ), |
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| 227 | srcdir_( 0 ), |
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[2761] | 228 | msrcdir_( 0 ), |
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| 229 | freqRefFromVREF_( false ) // import frequency as REST |
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[2643] | 230 | { |
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[1757] | 231 | // initialization |
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| 232 | filename_ = name ; |
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[2643] | 233 | coord_ = -1 ; |
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[1757] | 234 | } |
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| 235 | |
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| 236 | // destructor |
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| 237 | NROReader::~NROReader() |
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| 238 | { |
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| 239 | } |
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| 240 | |
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[2780] | 241 | // Read data header |
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| 242 | Int NROReader::read() |
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| 243 | { |
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| 244 | LogIO os( LogOrigin( "NROReader", "read()", WHERE ) ) ; |
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| 245 | |
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| 246 | int status = 0 ; |
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| 247 | |
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| 248 | // initialize Dataset object |
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| 249 | initDataset(); |
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| 250 | |
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| 251 | // fill Dataset |
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| 252 | status = dataset_->fillHeader() ; |
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| 253 | |
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| 254 | if ( status != 0 ) { |
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| 255 | os << LogIO::SEVERE << "Failed to fill data header." << LogIO::EXCEPTION ; |
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| 256 | } |
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| 257 | |
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| 258 | return status ; |
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| 259 | } |
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| 260 | |
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[2761] | 261 | // set frequency reference frame |
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| 262 | void NROReader::setFreqRefFromVREF( bool fromVREF ) |
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| 263 | { |
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| 264 | os_.origin( LogOrigin( "NROReader", "setFreqRefFromVREF", WHERE ) ) ; |
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| 265 | os_ << ((fromVREF) ? "Take frequency reference frame from VREF" : |
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| 266 | "Use frequency reference frame REST") << LogIO::POST ; |
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| 267 | |
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| 268 | freqRefFromVREF_ = fromVREF ; |
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| 269 | } |
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| 270 | |
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[1757] | 271 | // get spectrum |
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| 272 | vector< vector<double> > NROReader::getSpectrum() |
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| 273 | { |
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| 274 | return dataset_->getSpectrum() ; |
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| 275 | } |
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| 276 | |
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| 277 | Int NROReader::getPolarizationNum() |
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| 278 | { |
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| 279 | return dataset_->getPolarizationNum() ; |
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| 280 | } |
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| 281 | |
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| 282 | double NROReader::getStartTime() |
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| 283 | { |
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| 284 | //char *startTime = dataset_->getLOSTM() ; |
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| 285 | string startTime = dataset_->getLOSTM() ; |
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| 286 | //cout << "getStartTime() startTime = " << startTime << endl ; |
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| 287 | return getMJD( startTime ) ; |
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| 288 | } |
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| 289 | |
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| 290 | double NROReader::getEndTime() |
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| 291 | { |
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| 292 | //char *endTime = dataset_->getLOETM() ; |
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| 293 | string endTime = dataset_->getLOETM() ; |
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| 294 | return getMJD( endTime ) ; |
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| 295 | } |
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| 296 | |
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| 297 | vector<double> NROReader::getStartIntTime() |
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| 298 | { |
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| 299 | return dataset_->getStartIntTime() ; |
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| 300 | } |
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| 301 | |
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| 302 | double NROReader::getMJD( char *time ) |
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| 303 | { |
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| 304 | // TODO: should be checked which time zone the time depends on |
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| 305 | // 2008/11/14 Takeshi Nakazato |
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| 306 | string strStartTime = string( time ) ; |
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| 307 | string strYear = strStartTime.substr( 0, 4 ) ; |
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| 308 | string strMonth = strStartTime.substr( 4, 2 ) ; |
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| 309 | string strDay = strStartTime.substr( 6, 2 ) ; |
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| 310 | string strHour = strStartTime.substr( 8, 2 ) ; |
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| 311 | string strMinute = strStartTime.substr( 10, 2 ) ; |
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| 312 | string strSecond = strStartTime.substr( 12, strStartTime.size() - 12 ) ; |
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| 313 | uInt year = atoi( strYear.c_str() ) ; |
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| 314 | uInt month = atoi( strMonth.c_str() ) ; |
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| 315 | uInt day = atoi( strDay.c_str() ) ; |
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| 316 | uInt hour = atoi( strHour.c_str() ) ; |
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| 317 | uInt minute = atoi( strMinute.c_str() ) ; |
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| 318 | double second = atof( strSecond.c_str() ) ; |
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| 319 | Time t( year, month, day, hour, minute, second ) ; |
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| 320 | |
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| 321 | return t.modifiedJulianDay() ; |
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| 322 | } |
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| 323 | |
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| 324 | double NROReader::getMJD( string strStartTime ) |
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| 325 | { |
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| 326 | // TODO: should be checked which time zone the time depends on |
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| 327 | // 2008/11/14 Takeshi Nakazato |
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| 328 | string strYear = strStartTime.substr( 0, 4 ) ; |
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| 329 | string strMonth = strStartTime.substr( 4, 2 ) ; |
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| 330 | string strDay = strStartTime.substr( 6, 2 ) ; |
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| 331 | string strHour = strStartTime.substr( 8, 2 ) ; |
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| 332 | string strMinute = strStartTime.substr( 10, 2 ) ; |
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| 333 | string strSecond = strStartTime.substr( 12, strStartTime.size() - 12 ) ; |
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| 334 | uInt year = atoi( strYear.c_str() ) ; |
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| 335 | uInt month = atoi( strMonth.c_str() ) ; |
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| 336 | uInt day = atoi( strDay.c_str() ) ; |
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| 337 | uInt hour = atoi( strHour.c_str() ) ; |
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| 338 | uInt minute = atoi( strMinute.c_str() ) ; |
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| 339 | double second = atof( strSecond.c_str() ) ; |
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| 340 | Time t( year, month, day, hour, minute, second ) ; |
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| 341 | |
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| 342 | return t.modifiedJulianDay() ; |
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| 343 | } |
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| 344 | |
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| 345 | vector<Bool> NROReader::getIFs() |
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| 346 | { |
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| 347 | return dataset_->getIFs() ; |
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| 348 | } |
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| 349 | |
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| 350 | vector<Bool> NROReader::getBeams() |
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| 351 | { |
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| 352 | vector<Bool> v ; |
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| 353 | vector<int> arry = dataset_->getARRY() ; |
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| 354 | for ( uInt i = 0 ; i < arry.size() ; i++ ) { |
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| 355 | if ( arry[i] != 0 ) { |
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| 356 | v.push_back( True ) ; |
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| 357 | } |
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| 358 | } |
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| 359 | |
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| 360 | // DEBUG |
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| 361 | //cout << "NROReader::getBeams() number of beam is " << v.size() << endl ; |
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| 362 | // |
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| 363 | |
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| 364 | return v ; |
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| 365 | } |
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| 366 | |
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| 367 | // Get SRCDIRECTION in RADEC(J2000) |
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| 368 | Vector<Double> NROReader::getSourceDirection() |
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| 369 | { |
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[2643] | 370 | if ( msrcdir_.nelements() == 2 ) |
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| 371 | return msrcdir_ ; |
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[1757] | 372 | |
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[2643] | 373 | srcdir_.resize( 2 ) ; |
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| 374 | srcdir_[0] = Double( dataset_->getRA0() ) ; |
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| 375 | srcdir_[1] = Double( dataset_->getDEC0() ) ; |
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[1757] | 376 | char epoch[5] ; |
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| 377 | strncpy( epoch, (dataset_->getEPOCH()).c_str(), 5 ) ; |
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| 378 | if ( strncmp( epoch, "B1950", 5 ) == 0 ) { |
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| 379 | // convert to J2000 value |
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| 380 | MDirection result = |
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[2643] | 381 | MDirection::Convert( MDirection( Quantity( srcdir_[0], "rad" ), |
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| 382 | Quantity( srcdir_[1], "rad" ), |
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[1757] | 383 | MDirection::Ref( MDirection::B1950 ) ), |
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| 384 | MDirection::Ref( MDirection::J2000 ) ) () ; |
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[2643] | 385 | msrcdir_ = result.getAngle().getValue() ; |
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| 386 | if ( msrcdir_[0] < 0.0 && srcdir_[0] >= 0.0 ) |
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| 387 | msrcdir_[0] = 2.0 * M_PI + msrcdir_[0] ; |
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[1757] | 388 | //cout << "NROReader::getSourceDirection() SRCDIRECTION convert from (" |
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| 389 | //<< srcra << "," << srcdec << ") B1950 to (" |
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| 390 | //<< v( 0 ) << ","<< v( 1 ) << ") J2000" << endl ; |
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[2643] | 391 | //LogIO os( LogOrigin( "NROReader", "getSourceDirection()", WHERE ) ) ; |
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[2261] | 392 | //os << LogIO::NORMAL << "SRCDIRECTION convert from (" |
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| 393 | // << srcra << "," << srcdec << ") B1950 to (" |
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| 394 | // << v( 0 ) << ","<< v( 1 ) << ") J2000" << LogIO::POST ; |
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[1757] | 395 | } |
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| 396 | else if ( strncmp( epoch, "J2000", 5 ) == 0 ) { |
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[2643] | 397 | msrcdir_.reference( srcdir_ ) ; |
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[1757] | 398 | } |
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[2643] | 399 | |
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| 400 | return msrcdir_ ; |
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[1757] | 401 | } |
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| 402 | |
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| 403 | // Get DIRECTION in RADEC(J2000) |
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| 404 | Vector<Double> NROReader::getDirection( int i ) |
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| 405 | { |
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[2643] | 406 | Vector<Double> v( 2 ) ; |
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[2766] | 407 | const NRODataRecord *record = dataset_->getRecord( i ) ; |
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[1757] | 408 | char epoch[5] ; |
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| 409 | strncpy( epoch, (dataset_->getEPOCH()).c_str(), 5 ) ; |
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| 410 | int icoord = dataset_->getSCNCD() ; |
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[2643] | 411 | double scantime = dataset_->getScanTime( i ) ; |
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| 412 | initConvert( icoord, scantime, epoch ) ; |
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| 413 | v[0]= Double( record->SCX ) ; |
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| 414 | v[1] = Double( record->SCY ) ; |
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| 415 | if ( converter_.null() ) |
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| 416 | // no conversion |
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| 417 | return v ; |
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| 418 | else { |
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| 419 | Vector<Double> v2 = (*converter_)( v ).getAngle().getValue() ; |
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| 420 | if ( v2[0] < 0.0 && v[0] >= 0.0 ) |
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| 421 | v2[0] = 2.0 * M_PI + v2[0] ; |
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| 422 | return v2 ; |
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[1757] | 423 | } |
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[2643] | 424 | } |
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| 425 | |
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| 426 | void NROReader::initConvert( int icoord, double t, char *epoch ) |
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| 427 | { |
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| 428 | if ( icoord == 0 && strncmp( epoch, "J2000", 5 ) == 0 ) |
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| 429 | // no conversion |
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| 430 | return ; |
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| 431 | |
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| 432 | if ( converter_.null() || icoord != coord_ ) { |
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| 433 | LogIO os( LogOrigin( "NROReader", "initConvert()", WHERE ) ) ; |
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| 434 | coord_ = icoord ; |
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| 435 | if ( coord_ == 0 ) { |
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| 436 | // RADEC (B1950) -> RADEC (J2000) |
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| 437 | os << "Creating converter from RADEC (B1950) to RADEC (J2000)" << LogIO::POST ; |
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| 438 | converter_ = new MDirection::Convert( MDirection::B1950, |
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| 439 | MDirection::J2000 ) ; |
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[1757] | 440 | } |
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[2643] | 441 | else if ( coord_ == 1 ) { |
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| 442 | // LB -> RADEC (J2000) |
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| 443 | os << "Creating converter from GALACTIC to RADEC (J2000)" << LogIO::POST ; |
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| 444 | converter_ = new MDirection::Convert( MDirection::GALACTIC, |
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| 445 | MDirection::J2000 ) ; |
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[1757] | 446 | } |
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[2643] | 447 | else { |
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| 448 | // coord_ == 2 |
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| 449 | // AZEL -> RADEC (J2000) |
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| 450 | os << "Creating converter from AZEL to RADEC (J2000)" << LogIO::POST ; |
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| 451 | if ( mf_.null() ) { |
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| 452 | mf_ = new MeasFrame() ; |
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| 453 | vector<double> antpos = getAntennaPosition() ; |
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| 454 | Vector<Quantity> qantpos( 3 ) ; |
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| 455 | for ( int ip = 0 ; ip < 3 ; ip++ ) |
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| 456 | qantpos[ip] = Quantity( antpos[ip], "m" ) ; |
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[2761] | 457 | mp_ = MPosition( MVPosition( qantpos ), MPosition::ITRF ) ; |
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| 458 | mf_->set( mp_ ) ; |
---|
[2643] | 459 | } |
---|
| 460 | converter_ = new MDirection::Convert( MDirection::AZEL, |
---|
| 461 | MDirection::Ref(MDirection::J2000, |
---|
| 462 | *mf_ ) ) ; |
---|
| 463 | } |
---|
[1757] | 464 | } |
---|
| 465 | |
---|
[2643] | 466 | if ( coord_ == 2 ) { |
---|
[2761] | 467 | me_ = MEpoch( Quantity( t, "d" ), MEpoch::UTC ) ; |
---|
| 468 | mf_->set( me_ ) ; |
---|
[2643] | 469 | } |
---|
[1757] | 470 | } |
---|
| 471 | |
---|
| 472 | int NROReader::getHeaderInfo( Int &nchan, |
---|
| 473 | Int &npol, |
---|
| 474 | Int &nif, |
---|
| 475 | Int &nbeam, |
---|
| 476 | String &observer, |
---|
| 477 | String &project, |
---|
| 478 | String &obstype, |
---|
| 479 | String &antname, |
---|
| 480 | Vector<Double> &antpos, |
---|
| 481 | Float &equinox, |
---|
| 482 | String &freqref, |
---|
| 483 | Double &reffreq, |
---|
| 484 | Double &bw, |
---|
| 485 | Double &utc, |
---|
| 486 | String &fluxunit, |
---|
| 487 | String &epoch, |
---|
| 488 | String &poltype ) |
---|
| 489 | { |
---|
| 490 | nchan = dataset_->getNUMCH() ; |
---|
| 491 | //cout << "nchan = " << nchan << endl ; |
---|
| 492 | npol = getPolarizationNum() ; |
---|
| 493 | //cout << "npol = " << npol << endl ; |
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[3097] | 494 | observer = trim_nro_string(dataset_->getOBSVR()) ; |
---|
| 495 | //cout << "observer = \"" << observer << "\" (size " << observer.size() << ")" << endl ; |
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| 496 | project = trim_nro_string(dataset_->getPROJ()) ; |
---|
| 497 | //cout << "project = \"" << project << "\" (size " << project.size() << ")" << endl ; |
---|
| 498 | obstype = trim_nro_string(dataset_->getSWMOD()) ; |
---|
| 499 | //cout << "obstype = \"" << obstype << "\" (size " << obstype.size() << ")" << endl ; |
---|
| 500 | antname = trim_nro_string(dataset_->getSITE()) ; |
---|
| 501 | //cout << "antname = \"" << antname << "\" (size " << antname.size() << ")" << endl ; |
---|
[1757] | 502 | // TODO: should be investigated antenna position since there are |
---|
| 503 | // no corresponding information in the header |
---|
| 504 | // 2008/11/13 Takeshi Nakazato |
---|
| 505 | // |
---|
| 506 | // INFO: tentative antenna posiiton is obtained for NRO 45m from ITRF website |
---|
| 507 | // 2008/11/26 Takeshi Nakazato |
---|
| 508 | vector<double> pos = getAntennaPosition() ; |
---|
| 509 | antpos = pos ; |
---|
| 510 | //cout << "antpos = " << antpos << endl ; |
---|
| 511 | string eq = dataset_->getEPOCH() ; |
---|
[2200] | 512 | // if ( eq.compare( 0, 5, "B1950" ) == 0 ) |
---|
| 513 | // equinox = 1950.0 ; |
---|
| 514 | // else if ( eq.compare( 0, 5, "J2000" ) == 0 ) |
---|
| 515 | // equinox = 2000.0 ; |
---|
| 516 | // equinox is always 2000.0 |
---|
| 517 | equinox = 2000.0 ; |
---|
[1757] | 518 | //cout << "equinox = " << equinox << endl ; |
---|
| 519 | string vref = dataset_->getVREF() ; |
---|
| 520 | if ( vref.compare( 0, 3, "LSR" ) == 0 ) { |
---|
| 521 | if ( vref.size() == 3 ) { |
---|
| 522 | vref.append( "K" ) ; |
---|
| 523 | } |
---|
| 524 | else { |
---|
| 525 | vref[3] = 'K' ; |
---|
| 526 | } |
---|
| 527 | } |
---|
[2761] | 528 | else if ( vref.compare( 0, 3, "GAL" ) == 0 ) { |
---|
| 529 | vref = "GALACTO" ; |
---|
| 530 | } |
---|
| 531 | else if (vref.compare( 0, 3, "HEL" ) == 0 ) { |
---|
| 532 | os_.origin( LogOrigin( "NROReader", "getHeaderInfo", WHERE ) ) ; |
---|
| 533 | os_ << LogIO::WARN << "Heliocentric frame is not supported. Use Barycentric frame instead." << LogIO::POST ; |
---|
| 534 | vref = "BARY" ; |
---|
| 535 | } |
---|
[1868] | 536 | //freqref = vref ; |
---|
[2198] | 537 | //freqref = "LSRK" ; |
---|
[2761] | 538 | //freqref = "REST" ; |
---|
[3097] | 539 | freqref = freqRefFromVREF_ ? trim_nro_string(vref) : "REST" ; |
---|
| 540 | //cout << "freqref = \"" << freqref << "\" (size " << freqref.size() << ")" << endl ; |
---|
[2766] | 541 | const NRODataRecord *record = dataset_->getRecord( 0 ) ; |
---|
[2761] | 542 | reffreq = record->FREQ0 ; // rest frequency |
---|
| 543 | |
---|
[1757] | 544 | //cout << "reffreq = " << reffreq << endl ; |
---|
| 545 | bw = dataset_->getBEBW()[0] ; |
---|
| 546 | //cout << "bw = " << bw << endl ; |
---|
| 547 | utc = getStartTime() ; |
---|
| 548 | //cout << "utc = " << utc << endl ; |
---|
| 549 | fluxunit = "K" ; |
---|
| 550 | //cout << "fluxunit = " << fluxunit << endl ; |
---|
| 551 | epoch = "UTC" ; |
---|
| 552 | //cout << "epoch = " << epoch << endl ; |
---|
[3097] | 553 | string poltp = trim_nro_string(dataset_->getPOLTP()[0]) ; |
---|
| 554 | //cout << "poltp = \"" << poltp << "\" (size " << poltp.size() << ")" << endl ; |
---|
[2804] | 555 | if ( poltp.empty() || poltp[0] == ' ' || poltp[0] == '\0' ) |
---|
[1757] | 556 | //poltp = "None" ; |
---|
| 557 | poltp = "linear" ; // if no polarization type specified, set to "linear" |
---|
| 558 | //else if ( strcmp( poltp, "LINR" ) == 0 ) |
---|
| 559 | else if ( poltp.compare( 0, 1, "LINR", 0, 1 ) == 0 ) |
---|
| 560 | poltp = "linear" ; |
---|
| 561 | //else if ( strcmp( poltp, "CIRL" ) == 0 ) |
---|
| 562 | else if ( poltp.compare( 0, 1, "CIRL", 0, 1 ) == 0 ) |
---|
| 563 | poltp = "circular" ; |
---|
| 564 | poltype = poltp ; |
---|
[2804] | 565 | //cout << "poltype = '" << poltype << "'" << endl ; |
---|
[1757] | 566 | |
---|
[2154] | 567 | //vector<Bool> ifs = getIFs() ; |
---|
| 568 | //nif = ifs.size() ; |
---|
| 569 | nif = getNumIF() ; |
---|
[1757] | 570 | //cout << "nif = " << nif << endl ; |
---|
| 571 | |
---|
[2154] | 572 | //vector<Bool> beams = getBeams() ; |
---|
| 573 | //nbeam = beams.size() ; |
---|
| 574 | nbeam = getNumBeam() ; |
---|
[1757] | 575 | //cout << "nbeam = " << nbeam << endl ; |
---|
| 576 | |
---|
| 577 | return 0 ; |
---|
| 578 | } |
---|
| 579 | |
---|
| 580 | string NROReader::getScanType( int i ) |
---|
| 581 | { |
---|
[2766] | 582 | const NRODataRecord *record = dataset_->getRecord( i ) ; |
---|
[1757] | 583 | string s = record->SCANTP ; |
---|
| 584 | |
---|
| 585 | return s ; |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | int NROReader::getScanInfo( int irow, |
---|
| 589 | uInt &scanno, |
---|
| 590 | uInt &cycleno, |
---|
[2201] | 591 | uInt &ifno, |
---|
[1757] | 592 | uInt &beamno, |
---|
| 593 | uInt &polno, |
---|
| 594 | vector<double> &freqs, |
---|
| 595 | Vector<Double> &restfreq, |
---|
| 596 | uInt &refbeamno, |
---|
| 597 | Double &scantime, |
---|
| 598 | Double &interval, |
---|
| 599 | String &srcname, |
---|
| 600 | String &fieldname, |
---|
[2289] | 601 | Vector<Float> &spectra, |
---|
| 602 | Vector<uChar> &flagtra, |
---|
| 603 | Vector<Float> &tsys, |
---|
| 604 | Vector<Double> &direction, |
---|
[1757] | 605 | Float &azimuth, |
---|
| 606 | Float &elevation, |
---|
| 607 | Float ¶ngle, |
---|
| 608 | Float &opacity, |
---|
| 609 | uInt &tcalid, |
---|
| 610 | Int &fitid, |
---|
| 611 | uInt &focusid, |
---|
| 612 | Float &temperature, |
---|
| 613 | Float &pressure, |
---|
| 614 | Float &humidity, |
---|
| 615 | Float &windvel, |
---|
| 616 | Float &winddir, |
---|
| 617 | Double &srcvel, |
---|
[2761] | 618 | Vector<Double> &/*propermotion*/, |
---|
[1757] | 619 | Vector<Double> &srcdir, |
---|
[2761] | 620 | Vector<Double> &/*scanrate*/ ) |
---|
[1757] | 621 | { |
---|
[2289] | 622 | static const IPosition oneByOne( 1, 1 ); |
---|
| 623 | |
---|
[1757] | 624 | // DEBUG |
---|
| 625 | //cout << "NROReader::getScanInfo() irow = " << irow << endl ; |
---|
| 626 | // |
---|
| 627 | NRODataRecord *record = dataset_->getRecord( irow ) ; |
---|
| 628 | |
---|
| 629 | // scanno |
---|
| 630 | scanno = (uInt)(record->ISCAN) ; |
---|
| 631 | //cout << "scanno = " << scanno << endl ; |
---|
| 632 | |
---|
| 633 | // cycleno |
---|
| 634 | cycleno = 0 ; |
---|
| 635 | //cout << "cycleno = " << cycleno << endl ; |
---|
| 636 | |
---|
[2201] | 637 | // beamno and ifno |
---|
[2158] | 638 | string rxname = dataset_->getRX()[0] ; |
---|
| 639 | if ( rxname.find("MULT2") != string::npos ) { |
---|
| 640 | string arryt = string( record->ARRYT ) ; |
---|
[2777] | 641 | beamno = dataset_->getSortedArrayId( arryt ) ; |
---|
[2201] | 642 | ifno = 0 ; |
---|
[2158] | 643 | } |
---|
| 644 | else { |
---|
| 645 | beamno = 0 ; |
---|
[2201] | 646 | string arryt = string( record->ARRYT ) ; |
---|
[2777] | 647 | ifno = dataset_->getSortedArrayId( arryt ) ; |
---|
[2158] | 648 | } |
---|
[1757] | 649 | //cout << "beamno = " << beamno << endl ; |
---|
| 650 | |
---|
| 651 | // polno |
---|
[2434] | 652 | polno = dataset_->getPolNo( irow ) ; |
---|
[1757] | 653 | //cout << "polno = " << polno << endl ; |
---|
| 654 | |
---|
| 655 | // freqs (for IFNO and FREQ_ID) |
---|
| 656 | //freqs = getFrequencies( irow ) ; |
---|
| 657 | freqs = dataset_->getFrequencies( irow ) ; |
---|
| 658 | //cout << "freqs = [" << freqs[0] << ", " << freqs[1] << ", " << freqs[2] << "]" << endl ; |
---|
| 659 | |
---|
[2761] | 660 | if ( freqRefFromVREF_ ) { |
---|
| 661 | freqs = shiftFrequency( freqs, |
---|
| 662 | dataset_->getURVEL(), |
---|
| 663 | dataset_->getVDEF() ) ; |
---|
| 664 | } |
---|
| 665 | |
---|
[1757] | 666 | // restfreq (for MOLECULE_ID) |
---|
[2289] | 667 | restfreq.resize( oneByOne ) ; |
---|
| 668 | restfreq[0] = record->FREQ0 ; |
---|
[2783] | 669 | //cout << "restfreq = " << restfreq[0] << endl ; |
---|
[1757] | 670 | |
---|
| 671 | // refbeamno |
---|
| 672 | refbeamno = 0 ; |
---|
| 673 | //cout << "refbeamno = " << refbeamno << endl ; |
---|
| 674 | |
---|
| 675 | // scantime |
---|
[2156] | 676 | //scantime = Double( dataset_->getStartIntTime( irow ) ) ; |
---|
| 677 | scantime = Double( dataset_->getScanTime( irow ) ) ; |
---|
[1757] | 678 | //cout << "scantime = " << scantime << endl ; |
---|
| 679 | |
---|
| 680 | // interval |
---|
| 681 | interval = Double( dataset_->getIPTIM() ) ; |
---|
| 682 | //cout << "interval = " << interval << endl ; |
---|
| 683 | |
---|
| 684 | // srcname |
---|
[3097] | 685 | srcname = trim_nro_string( dataset_->getOBJ() ) ; |
---|
| 686 | //cout << "srcname = \"" << srcname << "\" (size " << srcname.size() << ")" << endl ; |
---|
[1757] | 687 | |
---|
| 688 | // fieldname |
---|
[3097] | 689 | fieldname = trim_nro_string( dataset_->getOBJ() ) ; |
---|
| 690 | //cout << "fieldname = \"" << fieldname << "\" (size " << fieldname.size() << ")" << endl ; |
---|
[1757] | 691 | |
---|
| 692 | // spectra |
---|
| 693 | vector<double> spec = dataset_->getSpectrum( irow ) ; |
---|
[2289] | 694 | spectra.resize( spec.size() ) ; |
---|
[2761] | 695 | //int index = 0 ; |
---|
[2643] | 696 | Bool b ; |
---|
| 697 | Float *fp = spectra.getStorage( b ) ; |
---|
| 698 | Float *wp = fp ; |
---|
| 699 | for ( vector<double>::iterator i = spec.begin() ; |
---|
| 700 | i != spec.end() ; i++ ) { |
---|
| 701 | *wp = *i ; |
---|
| 702 | wp++ ; |
---|
[1757] | 703 | } |
---|
[2643] | 704 | spectra.putStorage( fp, b ) ; |
---|
[1757] | 705 | //cout << "spec.size() = " << spec.size() << endl ; |
---|
| 706 | |
---|
| 707 | // flagtra |
---|
[2489] | 708 | bool setValue = !( flagtra.nelements() == spectra.nelements() ) ; |
---|
| 709 | if ( setValue ) { |
---|
| 710 | //cout << "flagtra resized. reset values..." << endl ; |
---|
[2643] | 711 | flagtra.resize( spectra.nelements() ) ; |
---|
[2489] | 712 | flagtra.set( 0 ) ; |
---|
| 713 | } |
---|
[2783] | 714 | //cout << "flag.size() = " << flagtra.size() << endl ; |
---|
[1757] | 715 | |
---|
| 716 | // tsys |
---|
[2289] | 717 | tsys.resize( oneByOne ) ; |
---|
| 718 | tsys[0] = record->TSYS ; |
---|
[1757] | 719 | //cout << "tsys[0] = " << tsys[0] << endl ; |
---|
| 720 | |
---|
| 721 | // direction |
---|
| 722 | direction = getDirection( irow ) ; |
---|
| 723 | //cout << "direction = [" << direction[0] << ", " << direction[1] << "]" << endl ; |
---|
| 724 | |
---|
| 725 | // azimuth |
---|
| 726 | azimuth = record->RAZ ; |
---|
| 727 | //cout << "azimuth = " << azimuth << endl ; |
---|
| 728 | |
---|
| 729 | // elevation |
---|
| 730 | elevation = record->REL ; |
---|
| 731 | //cout << "elevation = " << elevation << endl ; |
---|
| 732 | |
---|
| 733 | // parangle |
---|
| 734 | parangle = 0.0 ; |
---|
| 735 | //cout << "parangle = " << parangle << endl ; |
---|
| 736 | |
---|
| 737 | // opacity |
---|
| 738 | opacity = 0.0 ; |
---|
| 739 | //cout << "opacity = " << opacity << endl ; |
---|
| 740 | |
---|
| 741 | // tcalid |
---|
| 742 | tcalid = 0 ; |
---|
| 743 | //cout << "tcalid = " << tcalid << endl ; |
---|
| 744 | |
---|
| 745 | // fitid |
---|
| 746 | fitid = -1 ; |
---|
| 747 | //cout << "fitid = " << fitid << endl ; |
---|
| 748 | |
---|
| 749 | // focusid |
---|
| 750 | focusid = 0 ; |
---|
| 751 | //cout << "focusid = " << focusid << endl ; |
---|
| 752 | |
---|
| 753 | // temperature (for WEATHER_ID) |
---|
| 754 | temperature = Float( record->TEMP ) ; |
---|
| 755 | //cout << "temperature = " << temperature << endl ; |
---|
| 756 | |
---|
| 757 | // pressure (for WEATHER_ID) |
---|
| 758 | pressure = Float( record->PATM ) ; |
---|
| 759 | //cout << "pressure = " << pressure << endl ; |
---|
| 760 | |
---|
| 761 | // humidity (for WEATHER_ID) |
---|
| 762 | humidity = Float( record->PH2O ) ; |
---|
| 763 | //cout << "humidity = " << humidity << endl ; |
---|
| 764 | |
---|
| 765 | // windvel (for WEATHER_ID) |
---|
| 766 | windvel = Float( record->VWIND ) ; |
---|
| 767 | //cout << "windvel = " << windvel << endl ; |
---|
| 768 | |
---|
| 769 | // winddir (for WEATHER_ID) |
---|
| 770 | winddir = Float( record->DWIND ) ; |
---|
| 771 | //cout << "winddir = " << winddir << endl ; |
---|
| 772 | |
---|
| 773 | // srcvel |
---|
| 774 | srcvel = dataset_->getURVEL() ; |
---|
| 775 | //cout << "srcvel = " << srcvel << endl ; |
---|
| 776 | |
---|
| 777 | // propermotion |
---|
[2289] | 778 | // do nothing |
---|
[1757] | 779 | |
---|
| 780 | // srcdir |
---|
| 781 | srcdir = getSourceDirection() ; |
---|
| 782 | //cout << "srcdir = [" << srcdir[0] << ", " << srcdir[1] << endl ; |
---|
| 783 | |
---|
| 784 | // scanrate |
---|
[2289] | 785 | // do nothing |
---|
[1757] | 786 | |
---|
| 787 | return 0 ; |
---|
| 788 | } |
---|
| 789 | |
---|
| 790 | Int NROReader::getRowNum() |
---|
| 791 | { |
---|
| 792 | return dataset_->getRowNum() ; |
---|
| 793 | } |
---|
[2761] | 794 | |
---|
| 795 | vector<double> NROReader::shiftFrequency( const vector<double> &f, |
---|
| 796 | const double &v, |
---|
| 797 | const string &vdef ) |
---|
| 798 | { |
---|
| 799 | vector<double> r( f ) ; |
---|
| 800 | double factor = v / 2.99792458e8 ; |
---|
| 801 | if ( vdef.compare( 0, 3, "RAD" ) == 0 ) { |
---|
| 802 | factor = 1.0 / ( 1.0 + factor ) ; |
---|
| 803 | r[1] *= factor ; |
---|
| 804 | r[2] *= factor ; |
---|
| 805 | } |
---|
| 806 | else if ( vdef.compare( 0, 3, "OPT" ) == 0 ) { |
---|
| 807 | factor += 1.0 ; |
---|
| 808 | r[1] *= factor ; |
---|
| 809 | r[2] *= factor ; |
---|
| 810 | } |
---|
| 811 | else { |
---|
| 812 | cout << "vdef=" << vdef << " is not supported." << endl; |
---|
| 813 | } |
---|
| 814 | return r ; |
---|
| 815 | } |
---|