1 | //#--------------------------------------------------------------------------- |
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2 | //# SDFITSwriter.cc: ATNF CFITSIO interface class for SDFITS output. |
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3 | //#--------------------------------------------------------------------------- |
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4 | //# Copyright (C) 2000-2008 |
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5 | //# Mark Calabretta, ATNF |
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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 this software should be addressed as follows: |
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22 | //# Internet email: mcalabre@atnf.csiro.au. |
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23 | //# Postal address: Dr. Mark Calabretta, |
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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: SDFITSwriter.cc,v 19.15 2008-11-17 06:58:58 cal103 Exp $ |
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30 | //#--------------------------------------------------------------------------- |
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31 | //# Original: 2000/07/24, Mark Calabretta, ATNF |
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32 | //#--------------------------------------------------------------------------- |
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33 | |
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34 | #include <atnf/PKSIO/MBrecord.h> |
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35 | #include <atnf/PKSIO/PKSmsg.h> |
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36 | #include <atnf/PKSIO/SDFITSwriter.h> |
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37 | |
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38 | #include <casa/iostream.h> |
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39 | #include <cstring> |
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40 | |
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41 | #include <algorithm> |
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42 | #include <math.h> |
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43 | |
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44 | using namespace std; |
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45 | |
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46 | // Numerical constants. |
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47 | const double PI = 3.141592653589793238462643; |
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48 | |
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49 | // Factor to convert radians to degrees. |
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50 | const double R2D = 180.0 / PI; |
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51 | |
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52 | //------------------------------------------------- SDFITSwriter::SDFITSwriter |
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53 | |
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54 | SDFITSwriter::SDFITSwriter() |
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55 | { |
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56 | // Default constructor. |
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57 | cSDptr = 0x0; |
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58 | |
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59 | // By default, messages are written to stderr. |
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60 | initMsg(); |
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61 | } |
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62 | |
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63 | //------------------------------------------------ SDFITSwriter::~SDFITSwriter |
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64 | |
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65 | SDFITSwriter::~SDFITSwriter() |
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66 | { |
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67 | close(); |
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68 | } |
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69 | |
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70 | //------------------------------------------------------- SDFITSwriter::create |
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71 | |
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72 | // Create the output SDFITS file. |
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73 | |
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74 | int SDFITSwriter::create( |
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75 | char* sdName, |
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76 | char* observer, |
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77 | char* project, |
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78 | char* telescope, |
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79 | double antPos[3], |
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80 | char* obsMode, |
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81 | char* bunit, |
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82 | float equinox, |
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83 | char* dopplerFrame, |
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84 | int nIF, |
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85 | int* nChan, |
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86 | int* nPol, |
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87 | int* haveXPol, |
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88 | int haveBase, |
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89 | int extraSysCal) |
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90 | { |
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91 | if (cSDptr) { |
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92 | logMsg("ERROR: Output file already open, close it first."); |
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93 | return 1; |
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94 | } |
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95 | |
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96 | // Clear the message stack. |
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97 | clearMsg(); |
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98 | |
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99 | // Prepend an '!' to the output name to force it to be overwritten. |
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100 | char sdname[80]; |
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101 | sdname[0] = '!'; |
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102 | strcpy(sdname+1, sdName); |
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103 | |
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104 | // Create a new SDFITS file. |
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105 | cStatus = 0; |
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106 | if (fits_create_file(&cSDptr, sdname, &cStatus)) { |
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107 | sprintf(cMsg, "ERROR: Failed to create SDFITS file\n %s", sdName); |
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108 | logMsg(cMsg); |
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109 | return cStatus; |
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110 | } |
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111 | |
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112 | cIsMX = strstr(obsMode, "MX") != 0; |
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113 | cNIF = nIF; |
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114 | cNChan = nChan; |
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115 | cNPol = nPol; |
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116 | cHaveXPol = haveXPol; |
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117 | cHaveBase = haveBase; |
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118 | cExtraSysCal = extraSysCal; |
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119 | |
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120 | // Do all IFs have the same number of channels and polarizations? |
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121 | cDoTDIM = 0; |
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122 | int nprod = cNChan[0] * cNPol[0]; |
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123 | for (int iIF = 0; iIF < nIF; iIF++) { |
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124 | if (cNChan[iIF]*cNPol[iIF] != nprod) { |
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125 | // Need variable-length arrays as well as a TDIM column. |
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126 | cDoTDIM = 2; |
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127 | break; |
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128 | } |
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129 | |
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130 | if (cNChan[iIF] != cNChan[0] || cNPol[iIF] != cNPol[0]) { |
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131 | // Varying channels and/or polarizations, need a TDIM column at least. |
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132 | cDoTDIM = 1; |
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133 | } |
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134 | } |
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135 | |
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136 | // Find the maximum number of polarizations in any IF. |
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137 | int maxNPol = 0; |
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138 | for (int iIF = 0; iIF < nIF; iIF++) { |
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139 | if (cNPol[iIF] > maxNPol) maxNPol = cNPol[iIF]; |
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140 | } |
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141 | |
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142 | // Do any IFs have cross-polarizations? |
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143 | cDoXPol = 0; |
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144 | for (int iIF = 0; iIF < nIF; iIF++) { |
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145 | if (cHaveXPol[iIF]) { |
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146 | cDoXPol = 1; |
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147 | break; |
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148 | } |
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149 | } |
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150 | |
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151 | |
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152 | cRow = 0; |
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153 | |
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154 | // Write required primary header keywords. |
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155 | if (fits_write_imghdr(cSDptr, 8, 0, 0, &cStatus)) { |
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156 | logMsg("ERROR: Failed to write required primary header keywords."); |
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157 | return cStatus; |
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158 | } |
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159 | |
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160 | // Identify the origin of the data. |
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161 | fits_write_comment(cSDptr, " ", &cStatus); |
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162 | fits_write_comment(cSDptr, |
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163 | "This single dish FITS (SDFITS) file has a binary table extension which", |
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164 | &cStatus); |
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165 | fits_write_comment(cSDptr, |
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166 | "contains data obtained from a telescope run by the Australia Telescope", |
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167 | &cStatus); |
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168 | fits_write_comment(cSDptr, "National Facility (ATNF).", &cStatus); |
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169 | fits_write_comment(cSDptr, " ", &cStatus); |
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170 | |
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171 | fits_write_date(cSDptr, &cStatus); |
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172 | |
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173 | char text[72]; |
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174 | char version[7]; |
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175 | char date[11]; |
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176 | sscanf("$Revision: 19.15 $", "%*s%s", version); |
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177 | sscanf("$Date: 2008-11-17 06:58:58 $", "%*s%s", date); |
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178 | sprintf(text, "SDFITSwriter (v%s, %s)", version, date); |
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179 | fits_write_key_str(cSDptr, "ORIGIN", text, "output class", &cStatus); |
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180 | |
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181 | float cfvers; |
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182 | fits_write_comment(cSDptr, "Written by Mark Calabretta " |
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183 | "(mcalabre@atnf.csiro.au)", &cStatus); |
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184 | sprintf(text, "using cfitsio v%.3f.", fits_get_version(&cfvers)); |
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185 | fits_write_comment(cSDptr, text, &cStatus); |
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186 | |
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187 | if (cStatus) { |
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188 | logMsg("ERROR: Failed in writing primary header."); |
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189 | return cStatus; |
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190 | } |
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191 | |
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192 | |
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193 | // Create an SDFITS extension. |
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194 | long nrow = 0; |
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195 | int ncol = 0; |
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196 | if (fits_create_tbl(cSDptr, BINARY_TBL, nrow, ncol, NULL, NULL, NULL, |
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197 | "SINGLE DISH", &cStatus)) { |
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198 | logMsg("ERROR: Failed to create a binary table extension."); |
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199 | return 1; |
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200 | } |
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201 | |
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202 | char ttype[16]; |
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203 | char tform[9]; |
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204 | char tunit[9]; |
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205 | |
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206 | // NMATRIX (core, virtual). |
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207 | fits_write_key_lng(cSDptr, "NMATRIX", 1l, "Number of DATA arrays", |
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208 | &cStatus); |
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209 | |
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210 | // OBSERVER (shared, virtual). |
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211 | fits_write_key_str(cSDptr, "OBSERVER", observer, "Observer name(s)", |
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212 | &cStatus); |
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213 | |
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214 | // PROJID (shared, virtual). |
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215 | fits_write_key_str(cSDptr, "PROJID", project, "Project name", &cStatus); |
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216 | |
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217 | // TELESCOP (core, virtual). |
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218 | fits_write_key_str(cSDptr, "TELESCOP", telescope, "Telescope name", |
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219 | &cStatus); |
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220 | |
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221 | // OBSGEO-X/Y/Z (additional, virtual). |
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222 | fits_write_key_dbl(cSDptr, "OBSGEO-X", antPos[0], 9, |
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223 | "[m] Antenna ITRF X-coordinate", &cStatus); |
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224 | fits_write_key_dbl(cSDptr, "OBSGEO-Y", antPos[1], 9, |
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225 | "[m] Antenna ITRF Y-coordinate", &cStatus); |
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226 | fits_write_key_dbl(cSDptr, "OBSGEO-Z", antPos[2], 9, |
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227 | "[m] Antenna ITRF Z-coordinate", &cStatus); |
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228 | |
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229 | // SCAN (shared, real). |
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230 | fits_insert_col(cSDptr, ++ncol, "SCAN", "1I", &cStatus); |
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231 | |
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232 | // CYCLE (additional, real). |
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233 | fits_insert_col(cSDptr, ++ncol, "CYCLE", "1I", &cStatus); |
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234 | |
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235 | // DATE-OBS (core, real). |
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236 | fits_insert_col(cSDptr, ++ncol, "DATE-OBS", "10A", &cStatus); |
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237 | |
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238 | // TIME (core, real). |
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239 | fits_insert_col(cSDptr, ++ncol, "TIME", "1D", &cStatus); |
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240 | sprintf(tunit, "TUNIT%d", ncol); |
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241 | fits_write_key_str(cSDptr, tunit, "s", "units of field", &cStatus); |
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242 | |
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243 | // EXPOSURE (core, real). |
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244 | fits_insert_col(cSDptr, ++ncol, "EXPOSURE", "1E", &cStatus); |
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245 | sprintf(tunit, "TUNIT%d", ncol); |
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246 | fits_write_key_str(cSDptr, tunit, "s", "units of field", &cStatus); |
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247 | |
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248 | // OBJECT (core, real). |
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249 | fits_insert_col(cSDptr, ++ncol, "OBJECT", "16A", &cStatus); |
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250 | |
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251 | // OBJ-RA (additional, real). |
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252 | fits_insert_col(cSDptr, ++ncol, "OBJ-RA", "1D", &cStatus); |
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253 | sprintf(tunit, "TUNIT%d", ncol); |
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254 | fits_write_key_str(cSDptr, tunit, "deg", "units of field", &cStatus); |
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255 | |
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256 | // OBJ-DEC (additional, real). |
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257 | fits_insert_col(cSDptr, ++ncol, "OBJ-DEC", "1D", &cStatus); |
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258 | sprintf(tunit, "TUNIT%d", ncol); |
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259 | fits_write_key_str(cSDptr, tunit, "deg", "units of field", &cStatus); |
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260 | |
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261 | // RESTFRQ (additional, real). |
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262 | fits_insert_col(cSDptr, ++ncol, "RESTFRQ", "1D", &cStatus); |
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263 | sprintf(tunit, "TUNIT%d", ncol); |
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264 | fits_write_key_str(cSDptr, tunit, "Hz", "units of field", &cStatus); |
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265 | |
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266 | // OBSMODE (shared, real). |
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267 | fits_insert_col(cSDptr, ++ncol, "OBSMODE", "16A", &cStatus); |
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268 | |
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269 | // BEAM (additional, real). |
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270 | fits_insert_col(cSDptr, ++ncol, "BEAM", "1I", &cStatus); |
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271 | |
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272 | // IF (additional, real). |
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273 | fits_insert_col(cSDptr, ++ncol, "IF", "1I", &cStatus); |
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274 | |
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275 | // FREQRES (core, real). |
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276 | fits_insert_col(cSDptr, ++ncol, "FREQRES", "1D", &cStatus); |
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277 | sprintf(tunit, "TUNIT%d", ncol); |
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278 | fits_write_key_str(cSDptr, tunit, "Hz", "units of field", &cStatus); |
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279 | |
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280 | // BANDWID (core, real). |
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281 | fits_insert_col(cSDptr, ++ncol, "BANDWID", "1D", &cStatus); |
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282 | sprintf(tunit, "TUNIT%d", ncol); |
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283 | fits_write_key_str(cSDptr, tunit, "Hz", "units of field", &cStatus); |
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284 | |
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285 | // CTYPE1 (core, virtual). |
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286 | fits_write_key_str(cSDptr, "CTYPE1", "FREQ", |
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287 | "DATA array axis 1: frequency in Hz.", &cStatus); |
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288 | |
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289 | // CRPIX1 (core, real). |
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290 | fits_insert_col(cSDptr, ++ncol, "CRPIX1", "1E", &cStatus); |
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291 | |
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292 | // CRVAL1 (core, real). |
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293 | fits_insert_col(cSDptr, ++ncol, "CRVAL1", "1D", &cStatus); |
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294 | sprintf(tunit, "TUNIT%d", ncol); |
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295 | fits_write_key_str(cSDptr, tunit, "Hz", "units of field", &cStatus); |
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296 | |
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297 | // CDELT1 (core, real). |
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298 | fits_insert_col(cSDptr, ++ncol, "CDELT1", "1D", &cStatus); |
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299 | sprintf(tunit, "TUNIT%d", ncol); |
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300 | fits_write_key_str(cSDptr, tunit, "Hz", "units of field", &cStatus); |
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301 | |
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302 | |
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303 | // CTYPE2 (core, virtual). |
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304 | fits_write_key_str(cSDptr, "CTYPE2", "STOKES", |
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305 | "DATA array axis 2: polarization code", &cStatus); |
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306 | |
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307 | // CRPIX2 (core, virtual). |
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308 | fits_write_key_flt(cSDptr, "CRPIX2", 1.0f, 1, |
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309 | "Polarization code reference pixel", &cStatus); |
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310 | |
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311 | // CRVAL2 (core, virtual). |
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312 | fits_write_key_dbl(cSDptr, "CRVAL2", -5.0, 1, |
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313 | "Polarization code at reference pixel (XX)", &cStatus); |
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314 | |
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315 | // CDELT2 (core, virtual). |
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316 | fits_write_key_dbl(cSDptr, "CDELT2", -1.0, 1, |
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317 | "Polarization code axis increment", &cStatus); |
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318 | |
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319 | |
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320 | // CTYPE3 (core, virtual). |
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321 | fits_write_key_str(cSDptr, "CTYPE3", "RA", |
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322 | "DATA array axis 3 (degenerate): RA (mid-int)", |
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323 | &cStatus); |
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324 | |
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325 | // CRPIX3 (core, virtual). |
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326 | fits_write_key_flt(cSDptr, "CRPIX3", 1.0f, 1, "RA reference pixel", |
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327 | &cStatus); |
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328 | |
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329 | // CRVAL3 (core, real). |
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330 | fits_insert_col(cSDptr, ++ncol, "CRVAL3", "1D", &cStatus); |
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331 | sprintf(tunit, "TUNIT%d", ncol); |
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332 | fits_write_key_str(cSDptr, tunit, "deg", "units of field", &cStatus); |
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333 | |
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334 | // CDELT3 (core, virtual). |
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335 | fits_write_key_dbl(cSDptr, "CDELT3", -1.0, 1, "RA axis increment", &cStatus); |
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336 | |
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337 | // CTYPE4 (core, virtual). |
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338 | fits_write_key_str(cSDptr, "CTYPE4", "DEC", |
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339 | "DATA array axis 4 (degenerate): Dec (mid-int)", |
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340 | &cStatus); |
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341 | |
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342 | // CRPIX4 (core, virtual). |
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343 | fits_write_key_flt(cSDptr, "CRPIX4", 1.0f, 1, "Dec reference pixel", |
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344 | &cStatus); |
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345 | |
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346 | // CRVAL4 (core, real). |
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347 | fits_insert_col(cSDptr, ++ncol, "CRVAL4", "1D", &cStatus); |
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348 | sprintf(tunit, "TUNIT%d", ncol); |
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349 | fits_write_key_str(cSDptr, tunit, "deg", "units of field", &cStatus); |
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350 | |
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351 | // CDELT4 (core, virtual). |
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352 | fits_write_key_dbl(cSDptr, "CDELT4", 1.0, 1, "Dec axis increment", &cStatus); |
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353 | |
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354 | // SCANRATE (additional, real). |
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355 | fits_insert_col(cSDptr, ++ncol, "SCANRATE", "2E", &cStatus); |
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356 | sprintf(tunit, "TUNIT%d", ncol); |
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357 | fits_write_key_str(cSDptr, tunit, "deg/s", "units of field", &cStatus); |
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358 | |
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359 | // SPECSYS (additional, virtual). |
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360 | fits_write_key_str(cSDptr, "SPECSYS", dopplerFrame, |
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361 | "Doppler reference frame (transformed)", &cStatus); |
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362 | |
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363 | // SSYSOBS (additional, virtual). |
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364 | fits_write_key_str(cSDptr, "SSYSOBS", "TOPOCENT", |
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365 | "Doppler reference frame of observation", &cStatus); |
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366 | |
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367 | // EQUINOX (shared, virtual). |
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368 | fits_write_key_flt(cSDptr, "EQUINOX", equinox, 1, |
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369 | "Equinox of equatorial coordinates", &cStatus); |
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370 | |
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371 | // RADESYS (additional, virtual). |
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372 | fits_write_key_str(cSDptr, "RADESYS", "FK5", "Equatorial coordinate frame", |
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373 | &cStatus); |
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374 | |
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375 | // TSYS (core, real). |
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376 | sprintf(tform, "%dE", maxNPol); |
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377 | fits_insert_col(cSDptr, ++ncol, "TSYS", tform, &cStatus); |
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378 | sprintf(tunit, "TUNIT%d", ncol); |
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379 | fits_write_key_str(cSDptr, tunit, bunit, "units of field", &cStatus); |
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380 | |
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381 | // CALFCTR (additional, real). |
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382 | sprintf(tform, "%dE", maxNPol); |
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383 | fits_insert_col(cSDptr, ++ncol, "CALFCTR", tform, &cStatus); |
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384 | |
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385 | if (cHaveBase) { |
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386 | // BASELIN (additional, real). |
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387 | sprintf(tform, "%dE", 2*maxNPol); |
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388 | fits_insert_col(cSDptr, ++ncol, "BASELIN", tform, &cStatus); |
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389 | long tdim[] = {2, maxNPol}; |
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390 | fits_write_tdim(cSDptr, ncol, 2, tdim, &cStatus); |
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391 | |
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392 | // BASESUB (additional, real). |
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393 | sprintf(tform, "%dE", 9*maxNPol); |
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394 | fits_insert_col(cSDptr, ++ncol, "BASESUB", tform, &cStatus); |
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395 | tdim[0] = 9; |
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396 | fits_write_tdim(cSDptr, ncol, 2, tdim, &cStatus); |
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397 | } |
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398 | |
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399 | // DATA (core, real). |
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400 | if (cDoTDIM < 2) { |
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401 | // IFs all have the same number of products, use fixed-length arrays. |
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402 | sprintf(tform, "%dE", cNChan[0]*cNPol[0]); |
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403 | } else { |
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404 | // IFs have a differing number of products, use variable-length arrays. |
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405 | strcpy(tform, "1PE"); |
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406 | } |
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407 | fits_insert_col(cSDptr, ++ncol, "DATA", tform, &cStatus); |
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408 | |
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409 | if (cDoTDIM) { |
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410 | // TDIMn varies with IF, write a TDIM column. |
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411 | sprintf(ttype, "TDIM%d", ncol); |
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412 | fits_insert_col(cSDptr, ++ncol, ttype, "16A", &cStatus); |
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413 | } else { |
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414 | // TDIMn fixed for each IF, write a TDIM keyword. |
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415 | long tdim[] = {cNChan[0], cNPol[0], 1, 1}; |
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416 | fits_write_tdim(cSDptr, ncol, 4, tdim, &cStatus); |
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417 | } |
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418 | |
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419 | sprintf(tunit, "TUNIT%d", ncol); |
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420 | fits_write_key_str(cSDptr, tunit, bunit, "units of field", &cStatus); |
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421 | |
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422 | // FLAGGED (additional, logical). |
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423 | if (cDoTDIM < 2) { |
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424 | // IFs all have the same number of products, use fixed-length arrays. |
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425 | sprintf(tform, "%dB", cNChan[0]*cNPol[0]); |
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426 | } else { |
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427 | // IFs have a differing number of products, use variable-length arrays. |
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428 | strcpy(tform, "1PB"); |
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429 | } |
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430 | fits_insert_col(cSDptr, ++ncol, "FLAGGED", tform, &cStatus); |
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431 | |
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432 | if (cDoTDIM) { |
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433 | // TDIMn varies with IF, write a TDIM column. |
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434 | sprintf(ttype, "TDIM%d", ncol); |
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435 | fits_insert_col(cSDptr, ++ncol, ttype, "16A", &cStatus); |
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436 | } else { |
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437 | // TDIMn fixed for each IF, write a TDIM keyword. |
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438 | long tdim[] = {cNChan[0], cNPol[0], 1, 1}; |
---|
439 | fits_write_tdim(cSDptr, ncol, 4, tdim, &cStatus); |
---|
440 | } |
---|
441 | |
---|
442 | if (cDoXPol) { |
---|
443 | // XCALFCTR (additional, real). |
---|
444 | sprintf(tform, "%dE", 2); |
---|
445 | fits_insert_col(cSDptr, ++ncol, "XCALFCTR", tform, &cStatus); |
---|
446 | |
---|
447 | // XPOLDATA (additional, real). |
---|
448 | if (cDoTDIM < 2) { |
---|
449 | // IFs all have the same number of products, use fixed-length arrays. |
---|
450 | sprintf(tform, "%dE", 2*cNChan[0]); |
---|
451 | } else { |
---|
452 | // IFs have a differing number of products, use variable-length arrays. |
---|
453 | strcpy(tform, "1PE"); |
---|
454 | } |
---|
455 | fits_insert_col(cSDptr, ++ncol, "XPOLDATA", tform, &cStatus); |
---|
456 | |
---|
457 | if (cDoTDIM) { |
---|
458 | // TDIMn varies with IF, write a TDIM column. |
---|
459 | sprintf(ttype, "TDIM%d", ncol); |
---|
460 | fits_insert_col(cSDptr, ++ncol, ttype, "16A", &cStatus); |
---|
461 | } else { |
---|
462 | // TDIMn fixed for each IF, write a TDIM keyword. |
---|
463 | long tdim[] = {2, cNChan[0]}; |
---|
464 | fits_write_tdim(cSDptr, ncol, 2, tdim, &cStatus); |
---|
465 | } |
---|
466 | |
---|
467 | sprintf(tunit, "TUNIT%d", ncol); |
---|
468 | fits_write_key_str(cSDptr, tunit, bunit, "units of field", &cStatus); |
---|
469 | } |
---|
470 | |
---|
471 | if (cExtraSysCal) { |
---|
472 | if (cIsMX) { |
---|
473 | // REFBEAM (additional, real). |
---|
474 | fits_insert_col(cSDptr, ++ncol, "REFBEAM", "1I", &cStatus); |
---|
475 | } |
---|
476 | |
---|
477 | // TCAL (shared, real). |
---|
478 | sprintf(tform, "%dE", min(maxNPol,2)); |
---|
479 | fits_insert_col(cSDptr, ++ncol, "TCAL", tform, &cStatus); |
---|
480 | sprintf(tunit, "TUNIT%d", ncol); |
---|
481 | fits_write_key_str(cSDptr, tunit, "Jy", "units of field", &cStatus); |
---|
482 | |
---|
483 | // TCALTIME (additional, real). |
---|
484 | fits_insert_col(cSDptr, ++ncol, "TCALTIME", "16A", &cStatus); |
---|
485 | |
---|
486 | // AZIMUTH (shared, real). |
---|
487 | fits_insert_col(cSDptr, ++ncol, "AZIMUTH", "1E", &cStatus); |
---|
488 | sprintf(tunit, "TUNIT%d", ncol); |
---|
489 | fits_write_key_str(cSDptr, tunit, "deg", "units of field", &cStatus); |
---|
490 | |
---|
491 | // ELEVATIO (shared, real). |
---|
492 | fits_insert_col(cSDptr, ++ncol, "ELEVATIO", "1E", &cStatus); |
---|
493 | sprintf(tunit, "TUNIT%d", ncol); |
---|
494 | fits_write_key_str(cSDptr, tunit, "deg", "units of field", &cStatus); |
---|
495 | |
---|
496 | // PARANGLE (additional, real). |
---|
497 | fits_insert_col(cSDptr, ++ncol, "PARANGLE", "1E", &cStatus); |
---|
498 | sprintf(tunit, "TUNIT%d", ncol); |
---|
499 | fits_write_key_str(cSDptr, tunit, "deg", "units of field", &cStatus); |
---|
500 | |
---|
501 | // FOCUSAXI (additional, real). |
---|
502 | fits_insert_col(cSDptr, ++ncol, "FOCUSAXI", "1E", &cStatus); |
---|
503 | sprintf(tunit, "TUNIT%d", ncol); |
---|
504 | fits_write_key_str(cSDptr, tunit, "m", "units of field", &cStatus); |
---|
505 | |
---|
506 | // FOCUSTAN (additional, real). |
---|
507 | fits_insert_col(cSDptr, ++ncol, "FOCUSTAN", "1E", &cStatus); |
---|
508 | sprintf(tunit, "TUNIT%d", ncol); |
---|
509 | fits_write_key_str(cSDptr, tunit, "m", "units of field", &cStatus); |
---|
510 | |
---|
511 | // FOCUSROT (additional, real). |
---|
512 | fits_insert_col(cSDptr, ++ncol, "FOCUSROT", "1E", &cStatus); |
---|
513 | sprintf(tunit, "TUNIT%d", ncol); |
---|
514 | fits_write_key_str(cSDptr, tunit, "deg", "units of field", &cStatus); |
---|
515 | |
---|
516 | // TAMBIENT (shared, real). |
---|
517 | fits_insert_col(cSDptr, ++ncol, "TAMBIENT", "1E", &cStatus); |
---|
518 | sprintf(tunit, "TUNIT%d", ncol); |
---|
519 | fits_write_key_str(cSDptr, tunit, "C", "units of field", &cStatus); |
---|
520 | |
---|
521 | // PRESSURE (shared, real). |
---|
522 | fits_insert_col(cSDptr, ++ncol, "PRESSURE", "1E", &cStatus); |
---|
523 | sprintf(tunit, "TUNIT%d", ncol); |
---|
524 | fits_write_key_str(cSDptr, tunit, "Pa", "units of field", &cStatus); |
---|
525 | |
---|
526 | // HUMIDITY (shared, real). |
---|
527 | fits_insert_col(cSDptr, ++ncol, "HUMIDITY", "1E", &cStatus); |
---|
528 | sprintf(tunit, "TUNIT%d", ncol); |
---|
529 | fits_write_key_str(cSDptr, tunit, "%", "units of field", &cStatus); |
---|
530 | |
---|
531 | // WINDSPEE (shared, real). |
---|
532 | fits_insert_col(cSDptr, ++ncol, "WINDSPEE", "1E", &cStatus); |
---|
533 | sprintf(tunit, "TUNIT%d", ncol); |
---|
534 | fits_write_key_str(cSDptr, tunit, "m/s", "units of field", &cStatus); |
---|
535 | |
---|
536 | // WINDDIRE (shared, real). |
---|
537 | fits_insert_col(cSDptr, ++ncol, "WINDDIRE", "1E", &cStatus); |
---|
538 | sprintf(tunit, "TUNIT%d", ncol); |
---|
539 | fits_write_key_str(cSDptr, tunit, "deg", "units of field", &cStatus); |
---|
540 | } |
---|
541 | |
---|
542 | // Set scaling parameters. |
---|
543 | for (int j = 1; j <= ncol; j++) { |
---|
544 | fits_set_tscale(cSDptr, j, 1.0, 0.0, &cStatus); |
---|
545 | } |
---|
546 | |
---|
547 | if (cStatus) { |
---|
548 | logMsg("ERROR: Failed in writing binary table header."); |
---|
549 | } |
---|
550 | |
---|
551 | return cStatus; |
---|
552 | } |
---|
553 | |
---|
554 | //-------------------------------------------------------- SDFITSwriter::write |
---|
555 | |
---|
556 | // Write a record to the SDFITS file. |
---|
557 | |
---|
558 | int SDFITSwriter::write(MBrecord &mbrec) |
---|
559 | { |
---|
560 | char *cptr; |
---|
561 | |
---|
562 | // Check parameters. |
---|
563 | int IFno = mbrec.IFno[0]; |
---|
564 | if (IFno < 1 || cNIF < IFno) { |
---|
565 | cerr << "SDFITSwriter::write: " |
---|
566 | << "Invalid IF number " << IFno |
---|
567 | << " (maximum " << cNIF << ")." << endl; |
---|
568 | return 1; |
---|
569 | } |
---|
570 | |
---|
571 | int iIF = IFno - 1; |
---|
572 | int nChan = cNChan[iIF]; |
---|
573 | if (mbrec.nChan[0] != nChan) { |
---|
574 | cerr << "SDFITSriter::write: " |
---|
575 | << "Wrong number of channels for IF " << IFno << "," << endl |
---|
576 | << " " |
---|
577 | << "got " << nChan << " should be " << mbrec.nChan[0] << "." << endl; |
---|
578 | return 1; |
---|
579 | } |
---|
580 | |
---|
581 | int nPol = cNPol[iIF]; |
---|
582 | if (mbrec.nPol[0] != nPol) { |
---|
583 | cerr << "SDFITSriter::write: " |
---|
584 | << "Wrong number of polarizations for IF " << IFno << "," << endl |
---|
585 | << " " |
---|
586 | << "got " << nPol << " should be " << mbrec.nPol[0] << "." << endl; |
---|
587 | return 1; |
---|
588 | } |
---|
589 | |
---|
590 | |
---|
591 | // Next row. |
---|
592 | cRow++; |
---|
593 | |
---|
594 | int icol = 0; |
---|
595 | |
---|
596 | // SCAN. |
---|
597 | fits_write_col_int(cSDptr, ++icol, cRow, 1, 1, &mbrec.scanNo, &cStatus); |
---|
598 | |
---|
599 | // CYCLE. |
---|
600 | fits_write_col_int(cSDptr, ++icol, cRow, 1, 1, &mbrec.cycleNo, &cStatus); |
---|
601 | |
---|
602 | // DATE-OBS. |
---|
603 | cptr = mbrec.datobs; |
---|
604 | fits_write_col_str(cSDptr, ++icol, cRow, 1, 1, &cptr, &cStatus); |
---|
605 | |
---|
606 | // TIME. |
---|
607 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &mbrec.utc, &cStatus); |
---|
608 | |
---|
609 | // EXPOSURE. |
---|
610 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &mbrec.exposure, &cStatus); |
---|
611 | |
---|
612 | // OBJECT. |
---|
613 | cptr = mbrec.srcName; |
---|
614 | fits_write_col_str(cSDptr, ++icol, cRow, 1, 1, &cptr, &cStatus); |
---|
615 | |
---|
616 | // OBJ-RA. |
---|
617 | double srcRA = mbrec.srcRA * R2D; |
---|
618 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &srcRA, &cStatus); |
---|
619 | |
---|
620 | // OBJ-DEC. |
---|
621 | double srcDec = mbrec.srcDec * R2D; |
---|
622 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &srcDec, &cStatus); |
---|
623 | |
---|
624 | // RESTFRQ. |
---|
625 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &mbrec.restFreq, &cStatus); |
---|
626 | |
---|
627 | // OBJECT. |
---|
628 | cptr = mbrec.obsType; |
---|
629 | fits_write_col_str(cSDptr, ++icol, cRow, 1, 1, &cptr, &cStatus); |
---|
630 | |
---|
631 | // BEAM. |
---|
632 | fits_write_col_sht(cSDptr, ++icol, cRow, 1, 1, &mbrec.beamNo, &cStatus); |
---|
633 | |
---|
634 | // IF. |
---|
635 | fits_write_col_sht(cSDptr, ++icol, cRow, 1, 1, &mbrec.IFno[0], &cStatus); |
---|
636 | |
---|
637 | // FREQRES. |
---|
638 | double freqRes = fabs(mbrec.fqDelt[0]); |
---|
639 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &freqRes, &cStatus); |
---|
640 | |
---|
641 | // BANDWID. |
---|
642 | double bandwidth = freqRes * nChan; |
---|
643 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &bandwidth, &cStatus); |
---|
644 | |
---|
645 | // CRPIX1. |
---|
646 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &mbrec.fqRefPix[0], |
---|
647 | &cStatus); |
---|
648 | |
---|
649 | // CRVAL1. |
---|
650 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &mbrec.fqRefVal[0], |
---|
651 | &cStatus); |
---|
652 | |
---|
653 | // CDELT1. |
---|
654 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &mbrec.fqDelt[0], &cStatus); |
---|
655 | |
---|
656 | // CRVAL3. |
---|
657 | double ra = mbrec.ra * R2D; |
---|
658 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &ra, &cStatus); |
---|
659 | |
---|
660 | // CRVAL4. |
---|
661 | double dec = mbrec.dec * R2D; |
---|
662 | fits_write_col_dbl(cSDptr, ++icol, cRow, 1, 1, &dec, &cStatus); |
---|
663 | |
---|
664 | // SCANRATE. |
---|
665 | float scanrate[2]; |
---|
666 | scanrate[0] = mbrec.raRate * R2D; |
---|
667 | scanrate[1] = mbrec.decRate * R2D; |
---|
668 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 2, scanrate, &cStatus); |
---|
669 | |
---|
670 | // TSYS. |
---|
671 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, nPol, mbrec.tsys[0], &cStatus); |
---|
672 | |
---|
673 | // CALFCTR. |
---|
674 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, nPol, mbrec.calfctr[0], |
---|
675 | &cStatus); |
---|
676 | |
---|
677 | if (cHaveBase) { |
---|
678 | // BASELIN. |
---|
679 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 2*nPol, mbrec.baseLin[0][0], |
---|
680 | &cStatus); |
---|
681 | |
---|
682 | // BASESUB. |
---|
683 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 9*nPol, mbrec.baseSub[0][0], |
---|
684 | &cStatus); |
---|
685 | } |
---|
686 | |
---|
687 | // DATA. |
---|
688 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, nChan*nPol, mbrec.spectra[0], |
---|
689 | &cStatus); |
---|
690 | |
---|
691 | if (cDoTDIM) { |
---|
692 | // TDIM(DATA). |
---|
693 | char tdim[16]; |
---|
694 | sprintf(tdim, "(%d,%d,1,1)", nChan, nPol); |
---|
695 | cptr = tdim; |
---|
696 | fits_write_col_str(cSDptr, ++icol, cRow, 1, 1, &cptr, &cStatus); |
---|
697 | } |
---|
698 | |
---|
699 | // FLAGGED. |
---|
700 | fits_write_col_byt(cSDptr, ++icol, cRow, 1, nChan*nPol, mbrec.flagged[0], |
---|
701 | &cStatus); |
---|
702 | |
---|
703 | if (cDoTDIM) { |
---|
704 | // TDIM(FLAGGED). |
---|
705 | char tdim[16]; |
---|
706 | sprintf(tdim, "(%d,%d,1,1)", nChan, nPol); |
---|
707 | cptr = tdim; |
---|
708 | fits_write_col_str(cSDptr, ++icol, cRow, 1, 1, &cptr, &cStatus); |
---|
709 | } |
---|
710 | |
---|
711 | if (cDoXPol) { |
---|
712 | if (cHaveXPol[iIF] && mbrec.xpol[0]) { |
---|
713 | // XCALFCTR. |
---|
714 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 2, mbrec.xcalfctr[0], |
---|
715 | &cStatus); |
---|
716 | |
---|
717 | // XPOLDATA. |
---|
718 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 2*nChan, mbrec.xpol[0], |
---|
719 | &cStatus); |
---|
720 | |
---|
721 | if (cDoTDIM) { |
---|
722 | // TDIM(XPOLDATA). |
---|
723 | char tdim[16]; |
---|
724 | sprintf(tdim, "(2,%d)", nChan); |
---|
725 | cptr = tdim; |
---|
726 | fits_write_col_str(cSDptr, ++icol, cRow, 1, 1, &cptr, &cStatus); |
---|
727 | } |
---|
728 | |
---|
729 | } else { |
---|
730 | // Skip columns. |
---|
731 | icol += cDoTDIM ? 3 : 2; |
---|
732 | } |
---|
733 | } |
---|
734 | |
---|
735 | |
---|
736 | // Extra system calibration quantities from Parkes. |
---|
737 | if (cExtraSysCal) { |
---|
738 | if (cIsMX) { |
---|
739 | fits_write_col_sht(cSDptr, ++icol, cRow, 1, 1, &mbrec.refBeam, &cStatus); |
---|
740 | } |
---|
741 | |
---|
742 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, min(nPol,2), mbrec.tcal[0], |
---|
743 | &cStatus); |
---|
744 | cptr = mbrec.tcalTime; |
---|
745 | fits_write_col_str(cSDptr, ++icol, cRow, 1, 1, &cptr, &cStatus); |
---|
746 | |
---|
747 | float azimuth = mbrec.azimuth * R2D; |
---|
748 | float elevation = mbrec.elevation * R2D; |
---|
749 | float parAngle = mbrec.parAngle * R2D; |
---|
750 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &azimuth, &cStatus); |
---|
751 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &elevation, &cStatus); |
---|
752 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &parAngle, &cStatus); |
---|
753 | |
---|
754 | float focusRot = mbrec.focusRot * R2D; |
---|
755 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &mbrec.focusAxi, &cStatus); |
---|
756 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &mbrec.focusTan, &cStatus); |
---|
757 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &focusRot, &cStatus); |
---|
758 | |
---|
759 | float windAz = mbrec.windAz * R2D; |
---|
760 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &mbrec.temp, &cStatus); |
---|
761 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &mbrec.pressure, &cStatus); |
---|
762 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &mbrec.humidity, &cStatus); |
---|
763 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &mbrec.windSpeed, &cStatus); |
---|
764 | fits_write_col_flt(cSDptr, ++icol, cRow, 1, 1, &windAz, &cStatus); |
---|
765 | } |
---|
766 | |
---|
767 | if (cStatus) { |
---|
768 | logMsg("ERROR: Failed in writing binary table entry."); |
---|
769 | } |
---|
770 | |
---|
771 | return cStatus; |
---|
772 | } |
---|
773 | |
---|
774 | |
---|
775 | //------------------------------------------------------ SDFITSwriter::history |
---|
776 | |
---|
777 | // Write a history record. |
---|
778 | |
---|
779 | int SDFITSwriter::history(char *text) |
---|
780 | |
---|
781 | { |
---|
782 | if (!cSDptr) { |
---|
783 | return 1; |
---|
784 | } |
---|
785 | |
---|
786 | if (fits_write_history(cSDptr, text, &cStatus)) { |
---|
787 | logMsg("ERROR: Failed in writing HISTORY records."); |
---|
788 | } |
---|
789 | |
---|
790 | return cStatus; |
---|
791 | } |
---|
792 | |
---|
793 | //-------------------------------------------------------- SDFITSwriter::close |
---|
794 | |
---|
795 | // Close the SDFITS file. |
---|
796 | |
---|
797 | void SDFITSwriter::close() |
---|
798 | { |
---|
799 | if (cSDptr) { |
---|
800 | cStatus = 0; |
---|
801 | if (fits_close_file(cSDptr, &cStatus)) { |
---|
802 | logMsg("ERROR: Failed to close file."); |
---|
803 | } |
---|
804 | |
---|
805 | cSDptr = 0; |
---|
806 | } |
---|
807 | } |
---|
808 | |
---|
809 | //--------------------------------------------------- SDFITSwriter::deleteFile |
---|
810 | |
---|
811 | // Delete the SDFITS file. |
---|
812 | |
---|
813 | void SDFITSwriter::deleteFile() |
---|
814 | { |
---|
815 | if (cSDptr) { |
---|
816 | cStatus = 0; |
---|
817 | if (fits_delete_file(cSDptr, &cStatus)) { |
---|
818 | logMsg("ERROR: Failed to close and delete file."); |
---|
819 | } |
---|
820 | |
---|
821 | cSDptr = 0; |
---|
822 | } |
---|
823 | } |
---|
824 | |
---|
825 | //------------------------------------------------------- SDFITSwriter::logMsg |
---|
826 | |
---|
827 | // Log a message. If the current CFITSIO status value is non-zero, also log |
---|
828 | // the corresponding error message and dump the CFITSIO message stack. |
---|
829 | |
---|
830 | void SDFITSwriter::logMsg(const char *msg) |
---|
831 | { |
---|
832 | PKSmsg::logMsg(msg); |
---|
833 | |
---|
834 | if (cStatus) { |
---|
835 | fits_get_errstatus(cStatus, cMsg); |
---|
836 | PKSmsg::logMsg(cMsg); |
---|
837 | |
---|
838 | while (fits_read_errmsg(cMsg)) { |
---|
839 | PKSmsg::logMsg(cMsg); |
---|
840 | } |
---|
841 | } |
---|
842 | } |
---|