1 | // |
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2 | // C++ Interface: NROFiller |
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3 | // |
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4 | // Description: |
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5 | // This class is a concrete class that derives from FillerBase class. |
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6 | // The class implements the following methods to be able to read NRO |
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7 | // data (45m and ASTE). |
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8 | // |
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9 | // open() |
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10 | // close() |
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11 | // fill() |
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12 | // |
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13 | // |
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14 | // Author: Takeshi Nakazato <takeshi.nakazato@nao.ac.jp>, (C) 2010 |
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15 | // |
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16 | // Copyright: See COPYING file that comes with this distribution |
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17 | // |
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18 | // |
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19 | |
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20 | #include "NROFiller.h" |
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21 | #include "STHeader.h" |
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22 | #include <casa/Containers/Record.h> |
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23 | #include <casa/Quanta/MVTime.h> |
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24 | #include <atnf/PKSIO/SrcType.h> |
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25 | |
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26 | using namespace casa; |
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27 | |
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28 | namespace asap |
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29 | { |
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30 | NROFiller::NROFiller(CountedPtr<Scantable> stable) |
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31 | : FillerBase(stable) |
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32 | { |
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33 | } |
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34 | |
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35 | NROFiller::~NROFiller() |
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36 | { |
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37 | close() ; |
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38 | } |
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39 | |
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40 | bool NROFiller::open(const std::string& filename, const Record& rec) |
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41 | { |
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42 | bool status = true ; |
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43 | |
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44 | // get appropriate reader object |
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45 | String format ; |
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46 | reader_ = getNROReader( filename, format ) ; |
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47 | if ( reader_.null() == True ) { |
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48 | status = false ; |
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49 | return status ; |
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50 | } |
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51 | |
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52 | // get header information |
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53 | STHeader hdr ; |
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54 | if ( reader_->getHeaderInfo( hdr.nchan, |
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55 | hdr.npol, |
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56 | hdr.nif, |
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57 | hdr.nbeam, |
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58 | hdr.observer, |
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59 | hdr.project, |
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60 | hdr.obstype, |
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61 | hdr.antennaname, |
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62 | hdr.antennaposition, |
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63 | hdr.equinox, |
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64 | hdr.freqref, |
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65 | hdr.reffreq, |
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66 | hdr.bandwidth, |
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67 | hdr.utc, |
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68 | hdr.fluxunit, |
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69 | hdr.epoch, |
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70 | hdr.poltype ) ) { |
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71 | status = false ; |
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72 | return status ; |
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73 | } |
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74 | |
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75 | // 2010/07/30 TBD: Do we need to set frame here? |
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76 | table_->frequencies().setFrame( hdr.freqref, true ) ; |
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77 | table_->frequencies().setFrame( hdr.freqref, false ) ; |
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78 | |
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79 | // set Header |
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80 | setHeader( hdr ) ; |
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81 | |
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82 | return status ; |
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83 | } |
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84 | |
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85 | void NROFiller::fill() |
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86 | { |
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87 | // for each row |
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88 | uInt nRow = reader_->getRowNum() ; |
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89 | vector< vector<double > > freqs ; |
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90 | uInt scanno ; |
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91 | uInt cycleno ; |
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92 | uInt ifno ; |
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93 | uInt beamno ; |
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94 | uInt polno ; |
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95 | vector<double> fqs ; |
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96 | Vector<Double> restfreq ; |
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97 | uInt refbeamno ; |
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98 | Double scantime ; |
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99 | Double interval ; |
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100 | String srcname ; |
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101 | String fieldname ; |
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102 | Array<Float> spectra ; |
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103 | Array<uChar> flagtra ; |
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104 | Array<Float> tsys ; |
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105 | Array<Double> direction ; |
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106 | Float azimuth ; |
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107 | Float elevation ; |
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108 | Float parangle ; |
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109 | Float opacity ; |
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110 | uInt tcalid ; |
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111 | Int fitid ; |
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112 | uInt focusid ; |
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113 | Float temperature ; |
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114 | Float pressure ; |
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115 | Float humidity ; |
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116 | Float windvel ; |
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117 | Float winddir ; |
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118 | Double srcvel ; |
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119 | Array<Double> propermotion ; |
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120 | Vector<Double> srcdir ; |
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121 | Array<Double> scanrate ; |
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122 | Int rowCount = 0 ; |
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123 | |
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124 | STHeader header = table_->getHeader() ; |
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125 | String obsType = header.obstype.substr( 0, 3 ) ; |
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126 | Vector<Float> defaultTcal( 1, 1.0 ) ; |
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127 | String tcalTime = MVTime( header.utc ).string( MVTime::YMD ) ; |
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128 | for ( Int irow = 0 ; irow < (Int)nRow ; irow++ ) { |
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129 | // check scan intent |
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130 | string scanType = reader_->getScanType( irow ) ; |
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131 | SrcType::type srcType = SrcType::NOTYPE ; |
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132 | |
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133 | // skip "ZERO" scan |
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134 | if ( scanType.compare( 0, 4, "ZERO" ) == 0 ) { |
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135 | continue ; |
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136 | } |
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137 | |
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138 | // set srcType |
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139 | if ( obsType == "POS" || obsType == "BEA" ) { |
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140 | if ( scanType.compare( 0, 2, "ON" ) == 0 ) |
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141 | srcType = SrcType::PSON ; |
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142 | else if ( scanType.compare( 0, 3, "OFF" ) == 0 ) |
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143 | srcType = SrcType::PSOFF ; |
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144 | } |
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145 | else if ( obsType == "FRE" ) { |
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146 | if ( scanType.compare( 0, 2, "ON" ) == 0 ) |
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147 | srcType = SrcType::FSON ; |
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148 | else if ( scanType.compare( 0, 3, "OFF" ) == 0 ) |
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149 | srcType = SrcType::FSOFF ; |
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150 | } |
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151 | |
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152 | // get scan ifnromation |
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153 | if ( reader_->getScanInfo( irow, |
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154 | scanno, |
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155 | cycleno, |
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156 | ifno, |
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157 | beamno, |
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158 | polno, |
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159 | fqs, |
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160 | restfreq, |
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161 | refbeamno, |
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162 | scantime, |
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163 | interval, |
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164 | srcname, |
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165 | fieldname, |
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166 | spectra, |
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167 | flagtra, |
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168 | tsys, |
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169 | direction, |
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170 | azimuth, |
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171 | elevation, |
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172 | parangle, |
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173 | opacity, |
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174 | tcalid, |
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175 | fitid, |
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176 | focusid, |
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177 | temperature, |
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178 | pressure, |
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179 | humidity, |
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180 | windvel, |
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181 | winddir, |
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182 | srcvel, |
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183 | propermotion, |
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184 | srcdir, |
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185 | scanrate ) ) { |
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186 | throw AipsError( "Failed to read scan record" ) ; |
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187 | return ; |
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188 | } |
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189 | |
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190 | // set IDs and subtable rows |
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191 | // FREQUENCIES subtable row |
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192 | setFrequency( (Double)fqs[0], (Double)fqs[1], (Double)fqs[2] ) ; |
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193 | |
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194 | // MOLECULES subtable row |
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195 | setMolecule( restfreq ) ; |
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196 | |
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197 | // FOCUS subtable row |
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198 | setFocus( parangle ) ; |
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199 | |
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200 | // WEATHER subtable row |
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201 | float p = 7.5 * temperature / ( 273.3 + temperature ) ; |
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202 | float sh = 6.11 * powf( 10, p ) ; |
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203 | temperature += 273.15 ; // C->K |
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204 | winddir *= C::degree ; // deg->rad |
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205 | humidity /= sh ; // P_H2O->relative humidity |
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206 | setWeather( temperature, pressure, humidity, windvel, winddir ) ; |
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207 | |
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208 | // TCAL subtable row |
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209 | // use default since NRO input is calibrated data |
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210 | setTcal( tcalTime, defaultTcal ) ; |
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211 | |
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212 | |
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213 | // set row attributes |
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214 | // SPECTRA, FLAGTRA, and TSYS |
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215 | Vector<Float> spectrum( spectra ); |
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216 | Vector<uChar> flags( flagtra ) ; |
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217 | Vector<Float> Tsys( tsys ) ; |
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218 | setSpectrum( spectrum, flags, Tsys ) ; |
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219 | |
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220 | // SCANNO, CYCLENO, IFNO, POLNO, and BEAMNO |
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221 | //uInt ifno = table_->frequencies().addEntry( (Double)fqs[0], (Double)fqs[1], (Double)fqs[2] ) ; |
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222 | setIndex( scanno, cycleno, ifno, polno, beamno ) ; |
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223 | |
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224 | // REFBEAMNO |
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225 | setReferenceBeam( (Int)refbeamno ) ; |
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226 | |
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227 | // DIRECTION |
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228 | Vector<Double> dir( direction ) ; |
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229 | setDirection(dir, azimuth, elevation ) ; |
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230 | |
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231 | // TIME and INTERVAL |
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232 | setTime( scantime, interval ) ; |
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233 | |
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234 | // SRCNAME, SRCTYPE, FIELDNAME, SRCDIRECTION, SRCPROPERMOTION, and SRCVELOCITY |
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235 | Vector<Double> propermot( propermotion ) ; |
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236 | setSource( srcname, srcType, fieldname, srcdir, propermot, srcvel ) ; |
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237 | |
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238 | // SCANRATE |
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239 | Vector<Double> srate( scanrate ) ; |
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240 | setScanRate( srate ) ; |
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241 | |
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242 | // OPACITY |
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243 | setOpacity( opacity ) ; |
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244 | |
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245 | // finally, commit row |
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246 | commitRow() ; |
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247 | |
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248 | // count up number of row committed |
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249 | rowCount++ ; |
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250 | } |
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251 | } |
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252 | |
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253 | void NROFiller::close() |
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254 | { |
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255 | if (reader_.null() != False) { |
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256 | reader_ = 0; |
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257 | } |
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258 | table_ = 0; |
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259 | } |
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260 | |
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261 | }; |
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262 | |
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