1 | //#--------------------------------------------------------------------------- |
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2 | //# PKSSDwriter.cc: Class to write Parkes multibeam data to an SDFITS file. |
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3 | //#--------------------------------------------------------------------------- |
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4 | //# Copyright (C) 2000-2008 |
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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 |
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13 | //# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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14 | //# or 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: PKSSDwriter.cc,v 19.15 2008-11-17 06:56:50 cal103 Exp $ |
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29 | //#--------------------------------------------------------------------------- |
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30 | |
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31 | #include <atnf/PKSIO/MBrecord.h> |
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32 | #include <atnf/PKSIO/PKSSDwriter.h> |
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33 | |
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34 | #include <casa/stdio.h> |
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35 | #include <casa/Quanta/MVTime.h> |
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36 | |
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37 | //--------------------------------------------------- PKSSDwriter::PKSSDwriter |
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38 | |
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39 | // Default constructor. |
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40 | |
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41 | PKSSDwriter::PKSSDwriter() |
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42 | { |
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43 | // By default, messages are written to stderr. |
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44 | initMsg(); |
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45 | } |
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46 | |
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47 | //-------------------------------------------------- PKSSDwriter::~PKSSDwriter |
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48 | |
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49 | // Destructor. |
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50 | |
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51 | PKSSDwriter::~PKSSDwriter() |
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52 | { |
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53 | close(); |
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54 | } |
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55 | |
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56 | //-------------------------------------------------------- PKSSDwriter::setMsg |
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57 | |
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58 | // Set message disposition. If fd is non-zero messages will be written |
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59 | // to that file descriptor, else stored for retrieval by getMsg(). |
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60 | |
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61 | Int PKSSDwriter::setMsg(FILE *fd) |
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62 | { |
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63 | PKSmsg::setMsg(fd); |
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64 | cSDwriter.setMsg(fd); |
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65 | |
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66 | return 0; |
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67 | } |
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68 | |
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69 | //-------------------------------------------------------- PKSSDwriter::create |
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70 | |
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71 | // Create the SDFITS file and and write static data. |
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72 | |
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73 | Int PKSSDwriter::create( |
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74 | const String sdName, |
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75 | const String observer, |
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76 | const String project, |
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77 | const String antName, |
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78 | const Vector<Double> antPosition, |
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79 | const String obsMode, |
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80 | const String bunit, |
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81 | const Float equinox, |
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82 | const String dopplerFrame, |
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83 | const Vector<uInt> nChan, |
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84 | const Vector<uInt> nPol, |
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85 | const Vector<Bool> haveXPol, |
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86 | const Bool haveBase) |
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87 | { |
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88 | // Clear the message stack. |
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89 | clearMsg(); |
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90 | |
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91 | double antPos[3]; |
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92 | antPos[0] = antPosition(0); |
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93 | antPos[1] = antPosition(1); |
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94 | antPos[2] = antPosition(2); |
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95 | |
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96 | cNIF = nChan.nelements(); |
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97 | if (nPol.nelements() != cNIF || haveXPol.nelements() != cNIF) { |
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98 | cerr << "PKSSDwriter::create: " |
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99 | << "Inconsistent number of IFs for nChan, nPol, and/or haveXPol." |
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100 | << endl; |
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101 | return 1; |
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102 | } |
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103 | |
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104 | cNChan.assign(nChan); |
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105 | cNPol.assign(nPol); |
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106 | |
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107 | cHaveXPol.resize(cNIF); |
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108 | for (uInt iIF = 0; iIF < cNIF; iIF++) { |
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109 | // Convert Bool -> uInt. |
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110 | cHaveXPol(iIF) = haveXPol(iIF) ? 1 : 0; |
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111 | } |
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112 | |
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113 | cHaveBase = haveBase; |
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114 | |
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115 | // Storage in the trivial cNChan, cNPol, and cHaveXPol arrays should always |
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116 | // be contiguous so the pointer returned by getStorage() shouldn't need to |
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117 | // be deleted via freeStorage() (i.e. deleteIt always returned False). This |
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118 | // storage will, of course, be deleted when the PKSwriter object is deleted. |
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119 | Bool deleteIt; |
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120 | Int status = cSDwriter.create((char *)sdName.chars(), |
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121 | (char *)observer.chars(), (char *)project.chars(), |
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122 | (char *)antName.chars(), antPos, (char *)obsMode.chars(), |
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123 | (char *)bunit.chars(), equinox, (char *)dopplerFrame.chars(), cNIF, |
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124 | (int *)cNChan.getStorage(deleteIt), |
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125 | (int *)cNPol.getStorage(deleteIt), |
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126 | (int *)cHaveXPol.getStorage(deleteIt), (int)cHaveBase, 1); |
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127 | logMsg(cSDwriter.getMsg()); |
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128 | cSDwriter.clearMsg(); |
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129 | if (status) { |
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130 | cSDwriter.deleteFile(); |
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131 | close(); |
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132 | } |
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133 | |
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134 | return status; |
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135 | } |
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136 | |
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137 | //--------------------------------------------------------- PKSSDwriter::write |
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138 | |
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139 | // Write the next data record. |
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140 | |
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141 | Int PKSSDwriter::write( |
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142 | const PKSrecord &pksrec) |
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143 | { |
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144 | // Do basic checks. |
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145 | Int IFno = pksrec.IFno; |
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146 | uInt iIF = IFno - 1; |
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147 | if (IFno < 1 || Int(cNIF) < IFno) { |
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148 | cerr << "PKSDwriter::write: " |
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149 | << "Invalid IF number " << IFno |
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150 | << " (maximum " << cNIF << ")." << endl; |
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151 | return 1; |
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152 | } |
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153 | |
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154 | uInt nChan = pksrec.spectra.nrow(); |
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155 | if (nChan != cNChan(iIF)) { |
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156 | cerr << "PKSDwriter::write: " |
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157 | << "Wrong number of channels for IF " << IFno << "," << endl |
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158 | << " " |
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159 | << "got " << nChan << " should be " << cNChan(iIF) << "." << endl; |
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160 | return 1; |
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161 | } |
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162 | |
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163 | uInt nPol = pksrec.spectra.ncolumn(); |
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164 | if (nPol != cNPol(iIF)) { |
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165 | cerr << "PKSDwriter::write: " |
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166 | << "Wrong number of polarizations for IF " << IFno << "," << endl |
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167 | << " " |
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168 | << "got " << nPol << " should be " << cNPol(iIF) << "." << endl; |
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169 | return 1; |
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170 | } |
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171 | |
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172 | // Extract calendar information from mjd. |
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173 | MVTime time(pksrec.mjd); |
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174 | Int year = time.year(); |
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175 | Int month = time.month(); |
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176 | Int day = time.monthday(); |
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177 | |
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178 | // Transfer data to a single-IF MBrecord. |
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179 | MBrecord mbrec(1); |
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180 | |
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181 | // Start with basic beam- and IF-independent bookkeeping information. |
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182 | mbrec.scanNo = pksrec.scanNo; |
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183 | mbrec.cycleNo = pksrec.cycleNo; |
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184 | |
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185 | sprintf(mbrec.datobs, "%4.4d-%2.2d-%2.2d", year, month, day); |
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186 | mbrec.utc = fmod(pksrec.mjd, 1.0) * 86400.0; |
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187 | mbrec.exposure = float(pksrec.interval); |
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188 | |
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189 | strncpy(mbrec.srcName, (char *)pksrec.srcName.chars(), 17); |
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190 | mbrec.srcRA = pksrec.srcDir(0); |
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191 | mbrec.srcDec = pksrec.srcDir(1); |
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192 | |
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193 | mbrec.restFreq = pksrec.restFreq; |
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194 | |
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195 | strncpy(mbrec.obsType, (char *)pksrec.obsType.chars(), 16); |
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196 | |
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197 | // Now beam-dependent parameters. |
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198 | mbrec.beamNo = pksrec.beamNo; |
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199 | mbrec.ra = pksrec.direction(0); |
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200 | mbrec.dec = pksrec.direction(1); |
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201 | mbrec.raRate = pksrec.scanRate(0); |
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202 | mbrec.decRate = pksrec.scanRate(1); |
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203 | |
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204 | // Now IF-dependent parameters. |
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205 | mbrec.nIF = 1; |
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206 | mbrec.IFno[0] = IFno; |
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207 | mbrec.nChan[0] = nChan; |
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208 | mbrec.nPol[0] = nPol; |
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209 | |
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210 | mbrec.fqRefPix[0] = (nChan/2) + 1; |
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211 | mbrec.fqRefVal[0] = pksrec.refFreq; |
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212 | mbrec.fqDelt[0] = pksrec.freqInc; |
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213 | |
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214 | // Now the data itself. |
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215 | for (uInt i = 0; i < pksrec.tsys.nelements(); i++) { |
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216 | mbrec.tsys[0][i] = pksrec.tsys(i); |
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217 | } |
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218 | |
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219 | for (uInt ipol = 0; ipol < nPol; ipol++) { |
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220 | mbrec.calfctr[0][ipol] = pksrec.calFctr(ipol); |
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221 | } |
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222 | |
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223 | if (cHaveXPol(iIF)) { |
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224 | mbrec.xcalfctr[0][0] = pksrec.xCalFctr.real(); |
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225 | mbrec.xcalfctr[0][1] = pksrec.xCalFctr.imag(); |
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226 | } else { |
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227 | mbrec.xcalfctr[0][0] = 0.0f; |
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228 | mbrec.xcalfctr[0][1] = 0.0f; |
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229 | } |
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230 | |
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231 | if (cHaveBase) { |
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232 | mbrec.haveBase = 1; |
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233 | |
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234 | for (uInt ipol = 0; ipol < nPol; ipol++) { |
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235 | mbrec.baseLin[0][ipol][0] = pksrec.baseLin(0,ipol); |
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236 | mbrec.baseLin[0][ipol][1] = pksrec.baseLin(1,ipol); |
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237 | |
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238 | for (uInt j = 0; j < pksrec.baseSub.nrow(); j++) { |
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239 | mbrec.baseSub[0][ipol][j] = pksrec.baseSub(j,ipol); |
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240 | } |
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241 | for (uInt j = pksrec.baseSub.nrow(); j < 9; j++) { |
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242 | mbrec.baseSub[0][ipol][j] = 0.0f; |
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243 | } |
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244 | } |
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245 | |
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246 | } else { |
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247 | mbrec.haveBase = 0; |
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248 | } |
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249 | |
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250 | Bool delSpectra = False; |
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251 | const Float *specstor = pksrec.spectra.getStorage(delSpectra); |
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252 | mbrec.spectra[0] = (float *)specstor; |
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253 | |
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254 | Bool delFlagged = False; |
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255 | const uChar *flagstor = pksrec.flagged.getStorage(delFlagged); |
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256 | mbrec.flagged[0] = (unsigned char *)flagstor; |
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257 | |
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258 | Bool delXPol = False; |
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259 | const Complex *xpolstor; |
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260 | if (cHaveXPol(iIF)) { |
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261 | xpolstor = pksrec.xPol.getStorage(delXPol); |
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262 | } else { |
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263 | xpolstor = 0; |
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264 | } |
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265 | mbrec.xpol[0] = (float *)xpolstor; |
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266 | |
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267 | // Finish off with system calibration parameters. |
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268 | mbrec.extraSysCal = 1; |
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269 | mbrec.refBeam = pksrec.refBeam; |
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270 | for (uInt i = 0; i < pksrec.tcal.nelements(); i++) { |
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271 | mbrec.tcal[0][i] = pksrec.tcal(i); |
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272 | } |
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273 | strncpy(mbrec.tcalTime, (char *)pksrec.tcalTime.chars(), 16); |
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274 | mbrec.azimuth = pksrec.azimuth; |
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275 | mbrec.elevation = pksrec.elevation; |
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276 | mbrec.parAngle = pksrec.parAngle; |
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277 | mbrec.focusAxi = pksrec.focusAxi; |
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278 | mbrec.focusTan = pksrec.focusTan; |
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279 | mbrec.focusRot = pksrec.focusRot; |
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280 | mbrec.temp = pksrec.temperature; |
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281 | mbrec.pressure = pksrec.pressure; |
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282 | mbrec.humidity = pksrec.humidity; |
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283 | mbrec.windSpeed = pksrec.windSpeed; |
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284 | mbrec.windAz = pksrec.windAz; |
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285 | |
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286 | Int status = cSDwriter.write(mbrec); |
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287 | logMsg(cSDwriter.getMsg()); |
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288 | cSDwriter.clearMsg(); |
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289 | if (status) { |
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290 | status = 1; |
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291 | } |
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292 | |
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293 | pksrec.spectra.freeStorage(specstor, delSpectra); |
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294 | pksrec.flagged.freeStorage(flagstor, delFlagged); |
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295 | pksrec.xPol.freeStorage(xpolstor, delXPol); |
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296 | |
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297 | return status; |
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298 | } |
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299 | |
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300 | //------------------------------------------------------- PKSSDwriter::history |
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301 | |
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302 | // Write a history record. |
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303 | |
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304 | Int PKSSDwriter::history(const String text) |
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305 | { |
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306 | return cSDwriter.history((char *)text.chars()); |
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307 | } |
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308 | |
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309 | Int PKSSDwriter::history(const char *text) |
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310 | { |
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311 | return cSDwriter.history((char *)text); |
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312 | } |
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313 | |
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314 | //--------------------------------------------------------- PKSSDwriter::close |
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315 | |
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316 | // Close the SDFITS file. |
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317 | |
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318 | void PKSSDwriter::close() |
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319 | { |
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320 | cSDwriter.close(); |
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321 | logMsg(cSDwriter.getMsg()); |
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322 | cSDwriter.clearMsg(); |
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323 | } |
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