1 | //#---------------------------------------------------------------------------
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2 | //# SDContainer.cc: 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 |
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32 | #include <casa/aips.h>
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33 | #include <casa/iostream.h>
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34 | #include <casa/iomanip.h>
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35 | #include <casa/Exceptions.h>
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36 | #include <casa/Utilities/Assert.h>
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37 | #include <tables/Tables/Table.h>
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38 | #include <casa/Arrays/IPosition.h>
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39 | #include <casa/Arrays/Matrix.h>
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40 | #include <casa/Arrays/VectorIter.h>
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41 | #include <casa/Arrays/ArrayAccessor.h>
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42 | #include <casa/BasicMath/Math.h>
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43 | #include <casa/Quanta/MVTime.h>
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44 |
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45 |
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46 |
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47 | #include "SDDefs.h"
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48 | #include "SDContainer.h"
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49 |
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50 | using namespace casa;
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51 | using namespace asap;
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52 |
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53 | void SDHeader::print() const {
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54 | MVTime mvt(this->utc);
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55 | mvt.setFormat(MVTime::YMD);
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56 | cout << "Observer: " << this->observer << endl
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57 | << "Project: " << this->project << endl
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58 | << "Obstype: " << this->obstype << endl
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59 | << "Antenna: " << this->antennaname << endl
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60 | << "Ant. Position: " << this->antennaposition << endl
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61 | << "Equinox: " << this->equinox << endl
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62 | << "Freq. ref.: " << this->freqref << endl
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63 | << "Ref. frequency: " << this->reffreq << endl
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64 | << "Bandwidth: " << this->bandwidth << endl
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65 | << "Time (utc): "
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66 | << mvt
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67 | << endl;
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68 | //setprecision(10) << this->utc << endl;
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69 | }
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70 |
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71 |
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72 | SDContainer::SDContainer(uInt nBeam, uInt nIF, uInt nPol, uInt nChan)
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73 | : nBeam_(nBeam),
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74 | nIF_(nIF),
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75 | nPol_(nPol),
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76 | nChan_(nChan),
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77 | spectrum_(IPosition(4,nBeam,nIF,nPol,nChan)),
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78 | flags_(IPosition(4,nBeam,nIF,nPol,nChan)),
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79 | tsys_(IPosition(4,nBeam,nIF,nPol,nChan)),
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80 | freqidx_(nIF),
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81 | restfreqidx_(nIF),
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82 | direction_(IPosition(2,nBeam,2)) {
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83 | uChar x = 0;
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84 | flags_ = ~x;
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85 | tcal.resize(2);
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86 | }
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87 |
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88 | SDContainer::SDContainer(IPosition shp)
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89 | : nBeam_(shp(0)),
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90 | nIF_(shp(1)),
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91 | nPol_(shp(2)),
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92 | nChan_(shp(3)),
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93 | spectrum_(shp),
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94 | flags_(shp),
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95 | tsys_(shp),
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96 | freqidx_(shp(1)),
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97 | restfreqidx_(shp(1)) {
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98 | IPosition ip(2,shp(0),2);
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99 | direction_.resize(ip);
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100 | uChar x = 0;
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101 | flags_ = ~x;
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102 | tcal.resize(2);
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103 | }
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104 |
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105 | SDContainer::~SDContainer() {
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106 | }
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107 |
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108 | Bool SDContainer::resize(IPosition shp) {
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109 | nBeam_ = shp(0);
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110 | nIF_ = shp(1);
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111 | nPol_ = shp(2);
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112 | nChan_ = shp(3);
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113 | spectrum_.resize(shp);
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114 | flags_.resize(shp);
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115 | tsys_.resize(shp);
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116 | freqidx_.resize(shp(1));
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117 | restfreqidx_.resize(shp(1));
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118 | IPosition ip(2,shp(0),2);
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119 | direction_.resize(ip);
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120 | }
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121 |
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122 | Bool SDContainer::putSpectrum(const Array<Float>& spec) {
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123 | spectrum_ = spec;
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124 | }
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125 | Bool SDContainer::putFlags(const Array<uChar>& flag) {
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126 | flags_ = flag;
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127 | }
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128 | Bool SDContainer::putTsys(const Array<Float>& tsys) {
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129 | tsys_ = tsys;
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130 | }
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131 |
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132 | Bool SDContainer::setSpectrum(const Matrix<Float>& spec,
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133 | uInt whichBeam, uInt whichIF)
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134 | //
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135 | // spec is [nChan,nPol]
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136 | // spectrum_ is [,,,nChan]
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137 | // How annoying.
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138 | //
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139 | {
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140 |
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141 | // Get slice and check dim
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142 |
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143 | IPosition start, end;
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144 | setSlice (start, end, spec.shape(), spectrum_.shape(),
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145 | whichBeam, whichIF, False);
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146 |
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147 | // Get a reference to the Pol/Chan slice we are interested in
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148 |
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149 | Array<Float> subArr = spectrum_(start,end);
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150 |
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151 | // Iterate through it and fill
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152 |
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153 | ReadOnlyVectorIterator<Float> inIt(spec,0);
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154 | VectorIterator<Float> outIt(subArr,asap::ChanAxis);
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155 | while (!inIt.pastEnd()) {
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156 | outIt.vector() = inIt.vector();
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157 | //
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158 | inIt.next();
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159 | outIt.next();
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160 | }
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161 |
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162 | // unset flags for this spectrum, they might be set again by the
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163 | // setFlags method
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164 |
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165 | Array<uChar> arr(flags_(start,end));
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166 | arr = uChar(0);
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167 | //
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168 | return True;
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169 | }
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170 |
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171 |
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172 | Bool SDContainer::setFlags (const Matrix<uChar>& flags,
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173 | uInt whichBeam, uInt whichIF)
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174 | //
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175 | // flags is [nChan,nPol]
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176 | // flags_ is [,,,nChan]
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177 | // How annoying.
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178 | //
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179 | {
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180 | // Get slice and check dim
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181 |
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182 | IPosition start, end;
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183 | setSlice (start, end, flags.shape(), flags_.shape(),
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184 | whichBeam, whichIF, False);
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185 |
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186 | // Get a reference to the Pol/Chan slice we are interested in
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187 |
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188 | Array<uChar> subArr = flags_(start,end);
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189 |
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190 | // Iterate through it and fill
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191 |
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192 | ReadOnlyVectorIterator<uChar> inIt(flags,0);
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193 | VectorIterator<uChar> outIt(subArr,asap::ChanAxis);
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194 | while (!inIt.pastEnd()) {
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195 | outIt.vector() = inIt.vector();
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196 | //
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197 | inIt.next();
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198 | outIt.next();
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199 | }
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200 | //
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201 | return True;
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202 | }
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203 |
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204 |
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205 | Bool SDContainer::setTsys(const Vector<Float>& tsys,
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206 | uInt whichBeam, uInt whichIF)
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207 | //
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208 | // Tsys does not depend upon channel but is replicated
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209 | // for simplicity of use
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210 | //
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211 | {
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212 |
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213 | // Get slice and check dim
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214 |
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215 | IPosition start, end;
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216 | setSlice (start, end, tsys.shape(), tsys_.shape(),
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217 | whichBeam, whichIF, True);
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218 |
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219 | // Get a reference to the Pol/Chan slice we are interested in
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220 |
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221 | Array<Float> subArr = tsys_(start,end);
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222 |
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223 | // Iterate through it and fill
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224 |
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225 | VectorIterator<Float> outIt(subArr,asap::ChanAxis);
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226 | uInt i=0;
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227 | while (!outIt.pastEnd()) {
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228 | outIt.vector() = tsys(i++);
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229 | outIt.next();
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230 | }
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231 | }
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232 |
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233 | Array<Float> SDContainer::getSpectrum(uInt whichBeam, uInt whichIF) const
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234 | {
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235 | Matrix<Float> spectra(nChan_, nPol_);
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236 |
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237 | // Beam.
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238 | ArrayAccessor<Float, Axis<asap::BeamAxis> > i0(spectrum_);
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239 | i0.reset(i0.begin(whichBeam));
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240 |
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241 | // IF.
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242 | ArrayAccessor<Float, Axis<asap::IFAxis> > i1(i0);
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243 | i1.reset(i1.begin(whichIF));
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244 |
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245 | // Polarization.
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246 | ArrayAccessor<Float, Axis<asap::PolAxis> > i2(i1);
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247 | ArrayAccessor<Float, Axis<asap::IFAxis> > o1(spectra);
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248 |
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249 | while (i2 != i2.end()) {
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250 | // Channel.
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251 | ArrayAccessor<Float, Axis<asap::ChanAxis> > i3(i2);
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252 | ArrayAccessor<Float, Axis<asap::BeamAxis> > o0(o1);
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253 |
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254 | while (i3 != i3.end()) {
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255 | *o0 = *i3;
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256 |
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257 | i3++;
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258 | o0++;
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259 | }
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260 |
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261 | i2++;
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262 | o1++;
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263 | }
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264 |
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265 | return spectra.copy();
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266 | }
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267 |
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268 |
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269 | Array<uChar> SDContainer::getFlags(uInt whichBeam, uInt whichIF) const
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270 | {
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271 | Matrix<uChar> flagtra(nChan_, nPol_);
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272 |
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273 | // Beam.
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274 | ArrayAccessor<uChar, Axis<asap::BeamAxis> > i0(flags_);
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275 | i0.reset(i0.begin(whichBeam));
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276 |
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277 | // IF.
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278 | ArrayAccessor<uChar, Axis<asap::IFAxis> > i1(i0);
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279 | i1.reset(i1.begin(whichIF));
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280 |
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281 | // Polarization.
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282 | ArrayAccessor<uChar, Axis<asap::PolAxis> > i2(i1);
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283 | ArrayAccessor<uChar, Axis<asap::IFAxis> > o1(flagtra);
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284 |
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285 | while (i2 != i2.end()) {
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286 | // Channel.
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287 | ArrayAccessor<uChar, Axis<asap::ChanAxis> > i3(i2);
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288 | ArrayAccessor<uChar, Axis<asap::BeamAxis> > o0(o1);
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289 |
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290 | while (i3 != i3.end()) {
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291 | *o0 = *i3;
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292 |
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293 | i3++;
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294 | o0++;
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295 | }
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296 |
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297 | i2++;
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298 | o1++;
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299 | }
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300 |
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301 | return flagtra.copy();
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302 | }
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303 |
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304 | Array<Float> SDContainer::getTsys(uInt whichBeam, uInt whichIF) const
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305 | {
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306 | Vector<Float> tsys(nPol_);
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307 |
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308 | // Beam.
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309 | ArrayAccessor<Float, Axis<asap::BeamAxis> > i0(tsys_);
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310 | i0.reset(i0.begin(whichBeam));
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311 |
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312 | // IF.
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313 | ArrayAccessor<Float, Axis<asap::IFAxis> > i1(i0);
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314 | i1.reset(i1.begin(whichIF));
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315 |
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316 | // Channel.
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317 | ArrayAccessor<Float, Axis<asap::ChanAxis> > i3(i1);
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318 |
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319 | // Polarization.
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320 | ArrayAccessor<Float, Axis<asap::PolAxis> > i2(i3);
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321 | ArrayAccessor<Float, Axis<asap::BeamAxis> > o0(tsys);
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322 |
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323 | while (i2 != i2.end()) {
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324 | *o0 = *i2;
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325 |
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326 | i2++;
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327 | o0++;
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328 | }
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329 | return tsys.copy();
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330 | }
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331 |
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332 | Array<Double> SDContainer::getDirection(uInt whichBeam) const {
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333 | Vector<Double> direct(2);
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334 | ArrayAccessor<Double, Axis<asap::BeamAxis> > i0(direction_);
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335 | i0.reset(i0.begin(whichBeam));
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336 | ArrayAccessor<Double, Axis<asap::BeamAxis> > o0(direct);
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337 | ArrayAccessor<Double, Axis<asap::IFAxis> > i1(i0);
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338 | while (i1 != i1.end()) {
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339 | *o0 = *i1;
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340 | i1++;
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341 | o0++;
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342 | }
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343 | return direct.copy();
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344 | }
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345 |
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346 |
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347 | Bool SDContainer::setFrequencyMap(uInt freqID, uInt whichIF) {
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348 | freqidx_[whichIF] = freqID;
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349 | return True;
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350 | }
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351 |
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352 | Bool SDContainer::putFreqMap(const Vector<uInt>& freqs) {
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353 | freqidx_.resize();
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354 | freqidx_ = freqs;
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355 | return True;
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356 | }
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357 |
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358 | Bool SDContainer::setRestFrequencyMap(uInt freqID, uInt whichIF) {
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359 | restfreqidx_[whichIF] = freqID;
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360 | return True;
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361 | }
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362 |
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363 | Bool SDContainer::putRestFreqMap(const Vector<uInt>& freqs) {
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364 | restfreqidx_.resize();
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365 | restfreqidx_ = freqs;
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366 | return True;
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367 | }
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368 |
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369 | Bool SDContainer::setDirection(const Vector<Double>& point, uInt whichBeam) {
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370 | if (point.nelements() != 2) return False;
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371 | ArrayAccessor<Double, Axis<asap::BeamAxis> > aa0(direction_);
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372 | aa0.reset(aa0.begin(whichBeam));
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373 | ArrayAccessor<Double, Axis<asap::BeamAxis> > jj(point);
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374 | for (ArrayAccessor<Double, Axis<asap::IFAxis> > i(aa0);i != i.end(); ++i) {
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375 |
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376 | (*i) = (*jj);
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377 | jj++;
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378 | }
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379 | return True;
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380 | }
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381 |
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382 | Bool SDContainer::putDirection(const Array<Double>& dir) {
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383 | direction_.resize();
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384 | direction_ = dir;
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385 | return True;
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386 | }
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387 |
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388 | Bool SDContainer::appendHistory(const String& hist)
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389 | {
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390 | history_.resize(history_.nelements()+1,True);
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391 | history_[history_.nelements()-1] = hist;
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392 | return True;
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393 | }
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394 | Bool SDContainer::putHistory(const Vector<String>& hist)
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395 | {
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396 | history_.resize();
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397 | history_ = hist;
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398 | return True;
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399 | }
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400 |
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401 | void SDContainer::setSlice (IPosition& start, IPosition& end,
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402 | const IPosition& shpIn, const IPosition& shpOut,
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403 | uInt whichBeam, uInt whichIF, Bool tSys) const
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404 | //
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405 | // tSYs
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406 | // shpIn [nPol]
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407 | // else
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408 | // shpIn [nCHan,nPol]
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409 | //
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410 | {
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411 | AlwaysAssert(asap::nAxes==4,AipsError);
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412 | if (tSys) {
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413 | AlwaysAssert(shpOut(asap::PolAxis)==shpIn(0),AipsError); // pol
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414 | } else {
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415 | AlwaysAssert(shpOut(asap::ChanAxis)==shpIn(0),AipsError); // chan
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416 | AlwaysAssert(shpOut(asap::PolAxis)==shpIn(1),AipsError); // pol
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417 | }
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418 | //
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419 | start.resize(asap::nAxes);
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420 | start = 0;
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421 | start(asap::BeamAxis) = whichBeam;
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422 | start(asap::IFAxis) = whichIF;
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423 | //
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424 | end.resize(asap::nAxes);
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425 | end = shpOut-1;
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426 | end(asap::BeamAxis) = whichBeam;
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427 | end(asap::IFAxis) = whichIF;
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428 | }
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429 |
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430 |
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431 | uInt SDFrequencyTable::addFrequency(Double refPix, Double refVal, Double inc)
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432 | {
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433 | if (length() > 0) {
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434 | for (uInt i=0; i< length();i++) {
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435 | if (near(refVal,refVal_[i]) &&
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436 | near(refPix,refPix_[i]) &&
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437 | near(inc,increment_[i])) {
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438 | return i;
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439 | }
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440 | }
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441 | }
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442 |
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443 | // Not found - add it
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444 |
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445 | nFreq_ += 1;
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446 | refPix_.resize(nFreq_,True);
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447 | refVal_.resize(nFreq_,True);
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448 | increment_.resize(nFreq_,True);
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449 | refPix_[nFreq_-1] = refPix;
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450 | refVal_[nFreq_-1] = refVal;
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451 | increment_[nFreq_-1] = inc;
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452 | return nFreq_-1;
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453 | }
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454 |
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455 | uInt SDFrequencyTable::addRestFrequency(Double val)
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456 | {
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457 | uInt nFreq = restFreqs_.nelements();
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458 | if (nFreq>0) {
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459 | for (uInt i=0; i<nFreq;i++) {
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460 | if (near(restFreqs_[i],val)) {
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461 | return i;
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462 | }
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463 | }
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464 | }
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465 |
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466 | // Not found - add it
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467 |
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468 | nFreq += 1;
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469 | restFreqs_.resize(nFreq,True);
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470 | restFreqs_[nFreq-1] = val;
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471 | return nFreq-1;
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472 | }
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473 |
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474 |
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475 | void SDFrequencyTable::restFrequencies(Vector<Double>& rfs,
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476 | String& rfunit ) const
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477 | {
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478 | rfs.resize(restFreqs_.nelements());
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479 | rfs = restFreqs_;
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480 | rfunit = restFreqUnit_;
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481 | }
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482 |
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483 |
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484 |
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485 | // SDDataDesc
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486 |
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487 | uInt SDDataDesc::addEntry (const String& source, uInt freqID, const MDirection& dir)
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488 | {
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489 |
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490 | // See if already exists
|
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491 |
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492 | if (n_ > 0) {
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493 | for (uInt i=0; i<n_; i++) {
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494 | if (source==source_[i] && freqID==freqID_[i]) {
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495 | return i;
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496 | }
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497 | }
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498 | }
|
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499 |
|
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500 | // Not found - add it
|
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501 |
|
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502 | n_ += 1;
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503 | source_.resize(n_,True);
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504 | freqID_.resize(n_,True);
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505 | dir_.resize(n_,True,True);
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506 | //
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507 | source_[n_-1] = source;
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508 | freqID_[n_-1] = freqID;
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509 | dir_[n_-1] = dir;
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510 | //
|
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511 | return n_-1;
|
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512 | }
|
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513 |
|
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514 |
|
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515 | void SDDataDesc::summary() const
|
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516 | {
|
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517 | cerr << "Source FreqID" << endl;
|
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518 | for (uInt i=0; i<n_; i++) {
|
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519 | cerr << setw(11) << source_(i) << freqID_(i) << endl;
|
---|
520 | }
|
---|
521 | }
|
---|
522 |
|
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523 |
|
---|