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