1 | //#---------------------------------------------------------------------------
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2 | //# PKSreader.h: Class to read Parkes multibeam data.
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3 | //#---------------------------------------------------------------------------
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4 | //# Copyright (C) 2000-2006
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5 | //# Associated Universities, Inc. Washington DC, USA.
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6 | //#
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7 | //# This library is free software; you can redistribute it and/or modify it
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8 | //# under the terms of the GNU Library General Public License as published by
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9 | //# the Free Software Foundation; either version 2 of the License, or (at your
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10 | //# option) any later version.
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11 | //#
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12 | //# This library is distributed in the hope that it will be useful, but WITHOUT
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13 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
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15 | //# License for more details.
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16 | //#
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17 | //# You should have received a copy of the GNU Library General Public License
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18 | //# along with this library; if not, write to the Free Software Foundation,
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19 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
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20 | //#
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21 | //# Correspondence concerning AIPS++ should be addressed as follows:
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22 | //# Internet email: aips2-request@nrao.edu.
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23 | //# Postal address: AIPS++ Project Office
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24 | //# National Radio Astronomy Observatory
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25 | //# 520 Edgemont Road
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26 | //# Charlottesville, VA 22903-2475 USA
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27 | //#
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28 | //# $Id$
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29 | //#---------------------------------------------------------------------------
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30 | //# Original: 2000/08/02, Mark Calabretta, ATNF
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31 | //#---------------------------------------------------------------------------
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32 |
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33 | #ifndef ATNF_PKSREADER_H
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34 | #define ATNF_PKSREADER_H
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35 |
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36 | #include <casa/aips.h>
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37 | #include <casa/Arrays/Matrix.h>
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38 | #include <casa/Arrays/Vector.h>
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39 | #include <casa/BasicSL/Complex.h>
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40 | #include <casa/BasicSL/String.h>
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41 |
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42 | // <summary>
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43 | // Class to read Parkes multibeam data.
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44 | // </summary>
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45 |
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46 | #include <casa/namespace.h>
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47 |
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48 | // Open an appropriate PKSreader for a Parkes Multibeam dataset.
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49 | class PKSreader* getPKSreader(
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50 | const String name,
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51 | const Int retry,
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52 | const Int interpolate,
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53 | String &format,
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54 | Vector<Bool> &beams,
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55 | Vector<Bool> &IFs,
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56 | Vector<uInt> &nChan,
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57 | Vector<uInt> &nPol,
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58 | Vector<Bool> &haveXPol,
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59 | Bool &haveBase,
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60 | Bool &haveSpectra);
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61 |
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62 | // As above, but search a list of directories for it.
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63 | class PKSreader* getPKSreader(
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64 | const String name,
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65 | const Vector<String> directories,
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66 | const Int retry,
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67 | const Int interpolate,
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68 | Int &iDir,
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69 | String &format,
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70 | Vector<Bool> &beams,
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71 | Vector<Bool> &IFs,
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72 | Vector<uInt> &nChan,
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73 | Vector<uInt> &nPol,
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74 | Vector<Bool> &haveXPol,
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75 | Bool &haveBase,
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76 | Bool &haveSpectra);
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77 |
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78 |
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79 | class PKSreader
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80 | {
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81 | public:
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82 | // Destructor.
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83 | virtual ~PKSreader() {};
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84 |
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85 | // Open the dataset.
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86 | virtual Int open(
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87 | const String inName,
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88 | Vector<Bool> &beams,
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89 | Vector<Bool> &IFs,
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90 | Vector<uInt> &nChan,
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91 | Vector<uInt> &nPol,
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92 | Vector<Bool> &haveXPol,
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93 | Bool &haveBase,
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94 | Bool &haveSpectra) = 0;
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95 |
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96 | // Get parameters describing the data.
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97 | virtual Int getHeader(
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98 | String &observer,
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99 | String &project,
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100 | String &antName,
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101 | Vector<Double> &antPosition,
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102 | String &obsType,
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103 | Float &equinox,
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104 | String &dopplerFrame,
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105 | Double &mjd,
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106 | Double &refFreq,
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107 | Double &bandwidth,
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108 | String &fluxunit) = 0;
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109 |
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110 | // Get frequency parameters for each IF.
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111 | virtual Int getFreqInfo(
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112 | Vector<Double> &startFreq,
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113 | Vector<Double> &endFreq) = 0;
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114 |
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115 | // Set data selection criteria. Channel numbering is 1-relative, zero or
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116 | // negative channel numbers are taken to be offsets from the last channel.
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117 | virtual uInt select(
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118 | const Vector<Bool> beamSel,
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119 | const Vector<Bool> IFsel,
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120 | const Vector<Int> startChan,
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121 | const Vector<Int> endChan,
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122 | const Vector<Int> refChan,
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123 | const Bool getSpectra = True,
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124 | const Bool getXPol = False,
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125 | const Bool getFeedPos = False) = 0;
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126 |
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127 | // Find the range of the data selected in time and position.
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128 | virtual Int findRange(
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129 | Int &nRow,
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130 | Int &nSel,
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131 | Vector<Double> &timeSpan,
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132 | Matrix<Double> &positions) = 0;
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133 |
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134 | // Read the next data record.
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135 | virtual Int read(
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136 | Int &scanNo,
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137 | Int &cycleNo,
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138 | Double &mjd,
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139 | Double &interval,
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140 | String &fieldName,
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141 | String &srcName,
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142 | Vector<Double> &srcDir,
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143 | Vector<Double> &srcPM,
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144 | Double &srcVel,
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145 | String &obsType,
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146 | Int &IFno,
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147 | Double &refFreq,
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148 | Double &bandwidth,
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149 | Double &freqInc,
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150 | Vector<Double> &restFreq,
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151 | Vector<Float> &tcal,
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152 | String &tcalTime,
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153 | Float &azimuth,
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154 | Float &elevation,
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155 | Float &parAngle,
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156 | Float &focusAxi,
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157 | Float &focusTan,
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158 | Float &focusRot,
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159 | Float &temperature,
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160 | Float &pressure,
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161 | Float &humidity,
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162 | Float &windSpeed,
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163 | Float &windAz,
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164 | Int &refBeam,
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165 | Int &beamNo,
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166 | Vector<Double> &direction,
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167 | Vector<Double> &scanRate,
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168 | Vector<Float> &tsys,
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169 | Vector<Float> &sigma,
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170 | Vector<Float> &calFctr,
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171 | Matrix<Float> &baseLin,
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172 | Matrix<Float> &baseSub,
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173 | Matrix<Float> &spectra,
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174 | Matrix<uChar> &flagged,
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175 | Complex &xCalFctr,
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176 | Vector<Complex> &xPol) = 0;
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177 |
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178 | // Read the next data record, just the basics.
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179 | virtual Int read(
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180 | Int &IFno,
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181 | Vector<Float> &tsys,
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182 | Vector<Float> &calFctr,
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183 | Matrix<Float> &baseLin,
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184 | Matrix<Float> &baseSub,
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185 | Matrix<Float> &spectra,
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186 | Matrix<uChar> &flagged) = 0;
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187 |
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188 | // Close the input file.
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189 | virtual void close() = 0;
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190 |
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191 | protected:
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192 | Bool cGetFeedPos, cGetSpectra, cGetXPol;
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193 |
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194 | Vector<uInt> cNChan, cNPol;
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195 | Vector<Bool> cHaveXPol;
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196 | };
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197 |
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198 | #endif
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