1 | //#---------------------------------------------------------------------------
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2 | //# SDMemTable.h: A MemoryTable container 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 SDMEMTABLE_H
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32 | #define SDMEMTABLE_H
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33 |
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34 | // STL
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35 | #include <string>
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36 | #include <vector>
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37 | // AIPS++
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38 | #include <casa/aips.h>
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39 | #include <casa/Arrays/MaskedArray.h>
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40 | #include <casa/BasicSL/String.h>
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41 | #include <coordinates/Coordinates/SpectralCoordinate.h>
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42 | #include <tables/Tables/Table.h>
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43 | #include <tables/Tables/ArrayColumn.h>
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44 | #include <tables/Tables/ScalarColumn.h>
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45 |
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46 | #include "SDDefs.h"
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47 |
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48 |
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49 |
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50 | namespace asap {
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51 |
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52 | class SDContainer;
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53 | class SDHeader;
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54 | class SDFrequencyTable;
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55 |
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56 |
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57 |
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58 |
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59 | class SDMemTable {
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60 | public:
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61 | // create a new (empty) SDMemTable
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62 | SDMemTable();
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63 | // create a SDMemTable from an (aips++) table on disk
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64 | SDMemTable(const std::string& name);
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65 |
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66 | // Copy Construct a SDMemTable, if clear==True only header and
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67 | // skeleton are copied, otherwise the whole table is copied.
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68 | SDMemTable(const SDMemTable& other, casa::Bool clear=casa::False);
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69 |
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70 | // Copy Construct (copy semantics) a SDMemTable, give a scanid constraint
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71 | // see also getScan()
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72 | SDMemTable(const casa::Table& tab, const std::string& expr);
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73 |
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74 | // Assignment operator (copy semantics)
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75 | SDMemTable &operator=(const SDMemTable& other);
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76 |
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77 | virtual ~SDMemTable();
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78 |
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79 | // put data from meta conatiner into the table
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80 | bool putSDContainer(const SDContainer& sdc);
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81 | bool putSDHeader(const SDHeader& sdh);
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82 | bool putSDFreqTable(const SDFrequencyTable& sdft);
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83 |
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84 | //get the data wrapped up in a meta container
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85 |
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86 | SDContainer getSDContainer(casa::uInt whichRow=0) const;
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87 | SDHeader getSDHeader() const;
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88 |
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89 | // Get SD Frequency table.
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90 | SDFrequencyTable getSDFreqTable() const;
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91 |
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92 | // get spectrum,mask and tsys for the given row, at the selected
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93 | // cursor - all as stl vectors
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94 | virtual std::vector<float> getSpectrum(casa::Int whichRow=0) const;
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95 | virtual std::vector<bool> getMask(casa::Int whichRow=0) const;
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96 |
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97 |
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98 | // When we can handle input correlations being either circular or
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99 | // linear, we should probably have functions; getLinear, getCircular, getStokes
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100 | // since one can inter-convert between all three regardless of the input
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101 | // provided there are 4 polarizations. For now, we are assuming, if
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102 | // there are 4 polarizations, that we have linears. getSpectrum
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103 | // is then 'getLinear', getStokesSpectrum is 'getStokes' and getCircularSpectrum
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104 | // is 'getCircular'
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105 |
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106 |
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107 | // Get Stokes at cursor location. One of either I,Q,U,V or I,P,PA,V (doPol=True)
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108 | // If the latter, you can add a PA offset (degrees)
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109 | virtual std::vector<float> getStokesSpectrum(casa::Int whichRow=0,
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110 | casa::Bool doPol=casa::False,
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111 | casa::Float paOffset=0.0) const;
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112 |
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113 | // Get RR or LL at cursor location (except not polSel_)
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114 | virtual std::vector<float> getCircularSpectrum(casa::Int whichRow=0,
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115 | casa::Bool rr=casa::True) const;
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116 |
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117 | virtual casa::Float getTsys(casa::Int whichRow=0) const;
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118 | // get all as aips++ Vectors
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119 | virtual void getSpectrum(casa::Vector<casa::Float>& spectrum,
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120 | casa::Int whichRow=0) const;
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121 | //virtual void getMask(Vector<Bool>& mask,Int whichRow=0) const;
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122 |
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123 | std::vector<double> getRestFreqs() const;
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124 |
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125 | // get info for current row
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126 | // if whichRow == -1 the Header time is given
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127 | std::string getTime(casa::Int whichRow=0,
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128 | casa::Bool showDate=casa::False) const ;
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129 | casa::MEpoch getEpoch(casa::Int whichRow=0) const;
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130 | casa::MDirection getDirection(casa::Int whichRow=0,
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131 | casa::Bool refBeam=casa::False) const;
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132 | //
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133 | std::string getSourceName(casa::Int whichRow=0) const;
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134 | double getInterval(casa::Int whichRow=0) const;
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135 |
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136 | virtual void setSpectrum(std::vector<float> spectrum, int whichRow=0);
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137 | virtual void setCoordInfo(std::vector<string> theinfo);
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138 |
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139 | // Set RestFreqID. source="" and IF=-1 means select all
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140 | virtual casa::Bool setRestFreqs (const casa::Vector<casa::Double>& restFreqs,
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141 | const casa::String& unit,
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142 | const std::vector<std::string>& lines,
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143 | const casa::String& source,
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144 | casa::Int whichIF=-1);
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145 |
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146 | // List lines
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147 | void spectralLines() const;
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148 |
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149 | // Get/Set flux unit
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150 | std::string getFluxUnit() const;
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151 | void setFluxUnit (const std::string& unit);
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152 |
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153 | // Set Instrument
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154 | void setInstrument (const std::string& instrument);
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155 |
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156 | // set the current value
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157 | virtual bool setIF(casa::Int whichIF=0);
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158 | virtual bool setBeam(casa::Int whichBeam=0);
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159 | virtual bool setPol(casa::Int whichPol=0);
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160 |
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161 | // REset cursor to 0
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162 | virtual void resetCursor();
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163 |
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164 | //sets the user mask applied to all spectra
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165 | virtual bool setMask(std::vector<int> whichChans);
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166 | // Hard flags the current spectrum, not reversible
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167 | virtual void flag(int whichRow);
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168 |
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169 | // return the currently selected values
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170 | virtual casa::Int getIF() const { return IFSel_; }
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171 | virtual casa::Int getBeam() const { return beamSel_; }
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172 | virtual casa::Int getPol() const { return polSel_; }
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173 |
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174 | // returns unit, conversion frame, doppler, base-frame
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175 | virtual std::vector<std::string> getCoordInfo() const;
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176 |
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177 | // number of scans in table
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178 | virtual casa::Int nScan() const;
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179 |
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180 | // get a summary of the table
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181 | virtual std::string summary(bool verbose=false) const;
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182 |
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183 | std::vector<std::string> history(int whichRow=0) const;
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184 | bool appendHistory(const std::string& hist, int whichRow=0);
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185 | // write to disk as aips++ table
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186 | void makePersistent(const std::string& filename);
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187 |
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188 | // get a new SDMemTable containing all rows with the same give SCANID
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189 | SDMemTable getScan(casa::Int scanID) const;
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190 | SDMemTable getSource(const std::string& source) const;
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191 |
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192 | const casa::TableRecord& getHeader() const {return table_.keywordSet();}
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193 | // get a handle to the "raw" aips++ table
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194 | const casa::Table& table() const { return table_; }
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195 |
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196 | // return the number of values
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197 | casa::Int nBeam() const;
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198 | casa::Int nIF() const;
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199 | casa::Int nPol() const;
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200 | casa::Int nChan() const;
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201 |
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202 | // return the number of rows (integrations) in the table
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203 | casa::Int nRow() const { return table_.nrow(); }
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204 |
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205 | // return a row as a Masked array, internally converting uChar flags
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206 | // to bool mask
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207 | casa::MaskedArray<casa::Float> rowAsMaskedArray(casa::uInt whichRow,
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208 | casa::Bool useSelection =
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209 | casa::False, casa::Bool
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210 | toStokes=casa::False) const;
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211 |
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212 | // Return SC, setting only the basic construction state (i.e.
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213 | // no conversion or velocity or rest frequency state).
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214 | // Specify the index of the FreqID you want
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215 | casa::SpectralCoordinate getSpectralCoordinate(casa::uInt whichIdx) const;
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216 |
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217 | // Return SC. Set velocity conversion state (unit,doppler), and
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218 | // rest frequency. If row number given (>=0), also set
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219 | // frame conversion layer (needs direction & time which require row)
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220 | casa::SpectralCoordinate getSpectralCoordinate(casa::uInt freqID,
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221 | casa::uInt restFreqID,
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222 | casa::uInt row) const;
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223 |
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224 | // Set just the reference value, pixel and increment into the table
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225 | // No other state is extracted.
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226 | casa::Bool setCoordinate(const casa::SpectralCoordinate& speccord,
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227 | casa::uInt whichIdx);
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228 |
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229 | casa::Int nCoordinates() const;
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230 |
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231 | std::vector<double> getAbcissa(int whichRow=0) const;
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232 | std::string getAbcissaString(casa::Int whichRow=0) const;
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233 |
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234 | // Get global reference types
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235 | casa::MDirection::Types getDirectionReference() const;
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236 | casa::MEpoch::Types getTimeReference() const;
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237 |
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238 | // Get global antenna position
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239 | casa::MPosition getAntennaPosition() const;
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240 |
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241 | // Rotate phase of XY correlation by specified value (degrees)
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242 | void rotateXYPhase (casa::Float angle, casa::Bool doAll);
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243 |
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244 | // Helper function to check instrument (antenna) name and give enum
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245 | static Instrument convertInstrument(const casa::String& instrument,
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246 | casa::Bool throwIt);
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247 |
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248 | private:
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249 | // utility func for nice printout
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250 | casa::String formatSec(casa::Double x) const;
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251 | casa::String formatDirection(const casa::MDirection& md) const;
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252 | std::vector<float> getFloatSpectrum (const casa::Array<casa::Float>& arr) const;
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253 | void setup();
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254 | void attach();
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255 | void renumber();
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256 |
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257 | // Generate start and end for shape and current cursor selection
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258 | void setCursorSlice(casa::IPosition& start, casa::IPosition& end, const casa::IPosition& shape) const;
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259 |
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260 | // Convert Vector to vector
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261 | std::vector<float> convertVector (const casa::Vector<casa::Float>& in) const;
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262 |
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263 |
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264 | // the current cursor into the array
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265 | casa::Int IFSel_,beamSel_,polSel_;
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266 | std::vector<bool> chanMask_;
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267 | // the underlying memory table
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268 | casa::Table table_;
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269 |
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270 | // Cached Columns to avoid reconstructing them for each row get/put
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271 | casa::ScalarColumn<casa::Double> timeCol_, integrCol_;
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272 | casa::ScalarColumn<casa::Float> azCol_, elCol_, paraCol_;
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273 | casa::ScalarColumn<casa::String> srcnCol_, fldnCol_, tcaltCol_;
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274 | casa::ScalarColumn<casa::Int> scanCol_, rbeamCol_;
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275 | casa::ArrayColumn<casa::Float> specCol_, tsCol_, tcalCol_;
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276 | casa::ArrayColumn<casa::Double> dirCol_;
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277 | casa::ArrayColumn<casa::uChar> flagsCol_;
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278 | casa::ArrayColumn<casa::uInt> freqidCol_, restfreqidCol_;
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279 | casa::ArrayColumn<casa::String> histCol_;
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280 | casa::ROArrayColumn<casa::Float> stokesCol_;
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281 | };
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282 |
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283 | }// namespace
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284 | #endif
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