1 | //#---------------------------------------------------------------------------
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2 | //# SDContainer.h: A container class for single dish integrations
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3 | //#---------------------------------------------------------------------------
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4 | //# Copyright (C) 2004
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5 | //# ATNF
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6 | //#
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7 | //# This program is free software; you can redistribute it and/or modify it
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8 | //# under the terms of the GNU General Public License as published by the Free
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9 | //# Software Foundation; either version 2 of the License, or (at your option)
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10 | //# any later version.
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11 | //#
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12 | //# This program is distributed in the hope that it will be useful, but
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13 | //# WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | //# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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15 | //# Public License for more details.
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16 | //#
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17 | //# You should have received a copy of the GNU General Public License along
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18 | //# with this program; if not, write to the Free Software Foundation, Inc.,
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19 | //# 675 Massachusetts Ave, Cambridge, MA 02139, USA.
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20 | //#
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21 | //# Correspondence concerning this software should be addressed as follows:
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22 | //# Internet email: Malte.Marquarding@csiro.au
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23 | //# Postal address: Malte Marquarding,
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24 | //# Australia Telescope National Facility,
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25 | //# P.O. Box 76,
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26 | //# Epping, NSW, 2121,
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27 | //# AUSTRALIA
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28 | //#
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29 | //# $Id:
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30 | //#---------------------------------------------------------------------------
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31 | #ifndef SDCONTAINER_H
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32 | #define SDCONTAINER_H
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33 |
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34 | #include <vector>
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35 |
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36 | #include <casa/aips.h>
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37 | #include <casa/BasicSL/String.h>
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38 | #include <casa/Arrays/Array.h>
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39 | #include <casa/Arrays/Vector.h>
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40 |
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41 | template<class T> class casa::Matrix;
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42 |
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43 | namespace asap {
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44 |
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45 |
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46 | struct SDHeader {
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47 | casa::Int nchan;
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48 | casa::Int npol;
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49 | casa::Int nif;
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50 | casa::Int nbeam;
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51 | casa::String observer;
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52 | casa::String project;
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53 | casa::String obstype;
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54 | casa::String antennaname;
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55 | casa::Vector<casa::Double> antennaposition;
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56 | casa::Float equinox;
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57 | casa::String freqref;
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58 | casa::Double reffreq;
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59 | casa::Double bandwidth;
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60 | casa::Double utc;
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61 | casa::String fluxunit;
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62 | casa::String epoch;
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63 | void print() const ;
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64 | };
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65 |
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66 | class SDFrequencyTable {
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67 |
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68 | public:
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69 |
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70 | SDFrequencyTable() : nFreq_(0) {;}
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71 | virtual ~SDFrequencyTable() {;}
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72 |
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73 | casa::Int length() const { return nFreq_;};// # of stored Frequencies
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74 | void setLength(casa::Int length) {nFreq_ = length;};
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75 | casa::Double referencePixel(casa::uInt which) const { return refPix_[which];}
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76 | casa::Double referenceValue(casa::uInt which) const { return refVal_[which];}
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77 | casa::Double increment(casa::uInt which) const { return increment_[which];}
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78 | casa::Float equinox() const { return equinox_; }
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79 | casa::String refFrame() const { return refFrame_; }
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80 | void restFrequencies(casa::Vector<casa::Double>& rfs,
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81 | casa::String& rfunit ) const ;
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82 |
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83 | // returns the index into the table
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84 | // this creates a new one or returns an existing one
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85 | casa::Int addFrequency(casa::Double refPix, casa::Double refVal,
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86 | casa::Double inc);
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87 | void setEquinox(casa::Float eq) { equinox_ = eq; }
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88 | void setRefFrame(const casa::String& reff) { refFrame_ = reff; }
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89 | void addRestFrequency(casa::Double);
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90 | void setRestFrequencyUnit(const casa::String& theunit) {
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91 | restFreqUnit_ = theunit;
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92 | };
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93 |
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94 | private:
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95 | casa::Int nFreq_;
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96 | casa::Vector<casa::Double> refPix_;
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97 | casa::Vector<casa::Double> refVal_; // Hz
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98 | casa::Vector<casa::Double> increment_ // Hz
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99 | casa::Float equinox_;
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100 | casa::String refFrame_;
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101 | casa::Vector<casa::Double> restFreqs_; // Hz
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102 | casa::String restFreqUnit_;
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103 | };
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104 |
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105 |
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106 | class SDContainer {
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107 |
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108 | public:
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109 | SDContainer(casa::uInt nBeam, casa::uInt nIF, casa::uInt nPol,
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110 | casa::uInt nChan);
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111 | SDContainer(casa::IPosition shp);
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112 |
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113 | virtual ~SDContainer();
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114 |
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115 | casa::Bool resize(casa::IPosition shp);
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116 |
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117 | casa::Bool setSpectrum(const casa::Matrix<casa::Float>& spec,
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118 | casa::uInt whichBeam, casa::uInt whichIF);
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119 | casa::Bool putSpectrum(const casa::Array<casa::Float>& spec);
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120 |
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121 | casa::Bool setFlags(const casa::Matrix<casa::uChar>& flgs,
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122 | casa::uInt whichBeam, casa::uInt whichIF);
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123 | casa::Bool putFlags(const casa::Array<casa::uChar>& spec);
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124 |
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125 | casa::Bool setTsys(const casa::Vector<casa::Float>& ts,
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126 | casa::uInt whichBeam, casa::uInt whichIF);
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127 | casa::Bool putTsys(const casa::Array<casa::Float>& spec);
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128 |
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129 | casa::Bool setDirection(const casa::Vector<casa::Double>& point,
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130 | casa::uInt whichBeam);
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131 | casa::Bool putDirection(const casa::Array<casa::Double>& dir);
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132 |
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133 | casa::Bool setFrequencyMap(casa::uInt freqslot, casa::uInt whichIF);
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134 | casa::Bool putFreqMap(const casa::Vector<casa::uInt>& freqs);
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135 |
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136 | casa::Array<casa::Float> getSpectrum(casa::uInt whichBeam,
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137 | casa::uInt whichIF) const;
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138 | casa::Array<casa::uChar> getFlags(casa::uInt whichBeam,
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139 | casa::uInt whichIF) const;
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140 | casa::Array<casa::Float> getTsys(casa::uInt whichBeam,
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141 | casa::uInt whichIF) const;
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142 | casa::Array<casa::Double> getDirection(casa::uInt whichBeam) const;
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143 |
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144 | const casa::Array<casa::Float>& getSpectrum() const { return spectrum_; }
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145 | const casa::Array<casa::uChar>& getFlags() const { return flags_; }
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146 | const casa::Array<casa::Float>& getTsys() const { return tsys_; }
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147 | const casa::Array<casa::Double>& getDirection() const { return direction_; }
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148 |
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149 | const casa::Vector<casa::uInt>& getFreqMap() const { return freqidx_; }
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150 |
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151 | const casa::Vector<casa::String>& getHistory() const { return history_; }
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152 | casa::Bool putHistory(const casa::Vector<casa::String>& hist);
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153 | casa::Bool appendHistory(const casa::String& hist);
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154 |
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155 | casa::Double timestamp;
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156 | //Double bandwidth;
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157 | casa::String sourcename;
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158 | casa::String fieldname;
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159 | casa::Double interval;
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160 | casa::Int scanid;
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161 | casa::Vector<casa::Float> tcal;
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162 | casa::String tcaltime;
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163 | casa::Float azimuth;
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164 | casa::Float elevation;
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165 | casa::Float parangle;
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166 | casa::Int refbeam;
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167 |
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168 | private:
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169 | casa::uInt nBeam_,nIF_,nPol_,nChan_;
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170 |
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171 | // (nBeam,nIF,nPol,nChannel)
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172 | casa::Array<casa::Float> spectrum_;
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173 | casa::Array<casa::uChar> flags_;
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174 | // (nBeam,nIF,nPol,[nChannel]) Tsys is not really a function of
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175 | // channel, but this makes it easier to work with at the expense of
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176 | // a little memory
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177 | casa::Array<casa::Float> tsys_;
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178 | casa::Array<casa::Float> tcal_;
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179 |
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180 | //(nIF) indx into "global" frequency table
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181 | casa::Vector<casa::uInt> freqidx_;
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182 | //(nBeam,2) maybe use Measures here...
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183 | casa::Array<casa::Double> direction_;
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184 | casa::Vector<casa::String> history_;
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185 |
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186 | };
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187 |
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188 | } // namespace
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189 | #endif
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