1 | // |
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2 | // C++ Implementation: STSelector |
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3 | // |
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4 | // Description: |
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5 | // |
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6 | // |
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7 | // Author: Malte Marquarding <asap@atnf.csiro.au>, (C) 2006 |
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8 | // |
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9 | // Copyright: See COPYING file that comes with this distribution |
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10 | // |
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11 | // |
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12 | #include <tables/Tables/ExprNode.h> |
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13 | #include <tables/Tables/TableParse.h> |
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14 | #include <tables/Tables/ExprNode.h> |
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15 | #include <casa/BasicSL/String.h> |
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16 | #include <casa/iostream.h> |
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17 | #include <casa/iomanip.h> |
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18 | #include <casa/Exceptions/Error.h> |
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19 | |
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20 | #include "MathUtils.h" |
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21 | #include "STPol.h" |
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22 | #include "STSelector.h" |
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23 | |
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24 | using namespace asap; |
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25 | using namespace casa; |
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26 | |
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27 | STSelector::STSelector() : |
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28 | taql_("") |
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29 | { |
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30 | } |
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31 | |
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32 | STSelector::STSelector( const STSelector& other ) : |
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33 | intselections_(other.intselections_), |
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34 | stringselections_(other.stringselections_), |
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35 | poltypes_(other.poltypes_), |
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36 | order_(other.order_), |
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37 | taql_(other.taql_), |
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38 | rowselection_(other.rowselection_) |
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39 | { |
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40 | } |
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41 | |
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42 | STSelector& STSelector::operator=( const STSelector& other ) |
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43 | { |
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44 | if (&other != this) { |
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45 | this->intselections_ = other.intselections_; |
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46 | this->stringselections_ = other.stringselections_; |
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47 | this->taql_ = other.taql_; |
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48 | this->poltypes_ = other.poltypes_; |
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49 | this->order_ = other.order_; |
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50 | this->rowselection_ = other.rowselection_; |
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51 | } |
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52 | return *this; |
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53 | } |
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54 | |
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55 | STSelector::~STSelector() |
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56 | { |
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57 | } |
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58 | |
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59 | void STSelector::setScans( const std::vector< int >& scans ) |
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60 | { |
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61 | setint("SCANNO", scans); |
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62 | } |
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63 | |
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64 | void STSelector::setBeams( const std::vector< int >& beams ) |
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65 | { |
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66 | setint("BEAMNO", beams); |
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67 | } |
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68 | |
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69 | void STSelector::setIFs( const std::vector< int >& ifs ) |
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70 | { |
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71 | setint("IFNO", ifs); |
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72 | } |
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73 | |
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74 | void STSelector::setPolarizations( const std::vector< int >& pols ) |
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75 | { |
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76 | setint("POLNO", pols); |
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77 | poltypes_ = std::vector<std::string>(); |
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78 | } |
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79 | |
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80 | void asap::STSelector::setCycles( const std::vector< int >& cycs ) |
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81 | { |
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82 | setint("CYCLENO", cycs); |
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83 | } |
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84 | |
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85 | void asap::STSelector::setName( const std::string& sname ) |
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86 | { |
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87 | std::string sql = "SELECT FROM $1 WHERE SRCNAME == pattern('"+sname+"')"; |
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88 | setTaQL(sql); |
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89 | } |
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90 | |
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91 | void STSelector::setTypes( const std::vector< int >& types ) |
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92 | { |
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93 | setint("SRCTYPE", types); |
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94 | } |
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95 | |
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96 | void STSelector::setint(const std::string& key, const std::vector< int >& val) |
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97 | { |
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98 | if ( val.size() > 0 ) { |
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99 | intselections_[key] = val; |
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100 | } |
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101 | } |
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102 | |
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103 | void STSelector::setstring( const std::string& key, |
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104 | const std::vector<std::string>& val ) |
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105 | { |
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106 | if ( val.size() > 0 ) { |
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107 | stringselections_[key] = val; |
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108 | } |
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109 | } |
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110 | |
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111 | void STSelector::setTaQL( const std::string& taql ) |
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112 | { |
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113 | taql_ = taql; |
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114 | } |
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115 | |
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116 | |
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117 | void asap::STSelector::setSortOrder( const std::vector< std::string > & order ) |
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118 | { |
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119 | order_.resize(order.size(), True); |
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120 | for (unsigned int i=0;i<order.size();++i) { |
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121 | order_[i] = order[i]; |
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122 | } |
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123 | } |
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124 | |
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125 | void STSelector::setRows( const std::vector< int >& rows ) |
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126 | { |
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127 | rowselection_ = rows; |
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128 | } |
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129 | |
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130 | // Table STSelector::apply( const Table& tab ) |
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131 | // { |
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132 | // if ( empty() ) { |
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133 | // return sort(tab); |
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134 | // } |
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135 | // TableExprNode query; |
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136 | // intidmap::const_iterator it; |
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137 | // for (it = intselections_.begin(); it != intselections_.end(); ++it) { |
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138 | // TableExprNode theset(Vector<Int>( (*it).second )); |
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139 | // if ( query.isNull() ) { |
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140 | // query = tab.col((*it).first).in(theset); |
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141 | // } else { |
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142 | // query = tab.col((*it).first).in(theset) && query; |
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143 | // } |
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144 | // } |
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145 | // stringidmap::const_iterator it1; |
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146 | // for (it1 = stringselections_.begin(); it1 != stringselections_.end(); ++it1) { |
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147 | // TableExprNode theset(mathutil::toVectorString( (*it1).second )); |
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148 | // if ( query.isNull() ) { |
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149 | // query = tab.col((*it1).first).in(theset); |
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150 | // } else { |
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151 | // query = tab.col((*it1).first).in(theset) && query; |
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152 | // } |
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153 | // } |
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154 | // // add taql query |
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155 | // if ( taql_.size() > 0 ) { |
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156 | // Table tmpt = tab; |
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157 | // std::string pytaql = "USING STYLE PYTHON " + taql_; |
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158 | |
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159 | // if ( !query.isNull() ) { // taql and selection |
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160 | // tmpt = tableCommand(pytaql, tab(query)); |
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161 | // } else { // taql only |
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162 | // tmpt = tableCommand(pytaql, tab); |
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163 | // } |
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164 | // return sort(tmpt); |
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165 | // } else { |
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166 | // if ( query.isNull() ) { |
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167 | // return sort(tab); |
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168 | // } else { |
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169 | // return sort(tab(query)); |
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170 | // } |
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171 | // } |
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172 | // } |
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173 | Table STSelector::apply( const Table& tab ) |
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174 | { |
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175 | if ( empty() ) { |
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176 | return sort(tab); |
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177 | } |
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178 | Table basetab = tab; |
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179 | // Important!! Be sure to apply row selection first. |
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180 | if (rowselection_.size() > 0){ |
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181 | //Vector<Int> intrownrs(rowselection_); |
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182 | Vector<uInt> rownrs( rowselection_.size() ); |
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183 | convertArray(rownrs, Vector<Int> ( rowselection_ )); |
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184 | basetab = tab( rownrs ); |
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185 | ///TableExprNode theset(Vector<Int>( rowselection_ )); |
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186 | ///query = tab.nodeRownr().in(theset); |
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187 | } |
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188 | TableExprNode query; |
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189 | intidmap::const_iterator it; |
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190 | for (it = intselections_.begin(); it != intselections_.end(); ++it) { |
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191 | TableExprNode theset(Vector<Int>( (*it).second )); |
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192 | if ( query.isNull() ) { |
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193 | //query = tab.col((*it).first).in(theset); |
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194 | query = basetab.col((*it).first).in(theset); |
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195 | } else { |
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196 | //query = tab.col((*it).first).in(theset) && query; |
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197 | query = basetab.col((*it).first).in(theset) && query; |
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198 | } |
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199 | } |
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200 | stringidmap::const_iterator it1; |
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201 | for (it1 = stringselections_.begin(); it1 != stringselections_.end(); ++it1) { |
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202 | TableExprNode theset(mathutil::toVectorString( (*it1).second )); |
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203 | if ( query.isNull() ) { |
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204 | //query = tab.col((*it1).first).in(theset); |
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205 | query = basetab.col((*it1).first).in(theset); |
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206 | } else { |
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207 | //query = tab.col((*it1).first).in(theset) && query; |
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208 | query = basetab.col((*it1).first).in(theset) && query; |
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209 | } |
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210 | } |
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211 | // add taql query |
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212 | if ( taql_.size() > 0 ) { |
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213 | //Table tmpt = tab; |
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214 | Table tmpt = basetab; |
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215 | std::string pytaql = "USING STYLE PYTHON " + taql_; |
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216 | |
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217 | if ( !query.isNull() ) { // taql and selection |
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218 | //tmpt = tableCommand(pytaql, tab(query)); |
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219 | tmpt = tableCommand(pytaql, basetab(query)); |
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220 | } else { // taql only |
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221 | //tmpt = tableCommand(pytaql, tab); |
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222 | tmpt = tableCommand(pytaql, basetab); |
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223 | } |
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224 | return sort(tmpt); |
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225 | } else { |
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226 | if ( query.isNull() ) { |
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227 | //return sort(tab); |
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228 | return sort(basetab); |
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229 | } else { |
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230 | //return sort(tab(query)); |
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231 | return sort(basetab(query)); |
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232 | } |
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233 | } |
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234 | } |
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235 | |
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236 | std::vector< int > STSelector::getint( const std::string& key ) const |
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237 | { |
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238 | if (intselections_.count(key) > 0) { |
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239 | return intselections_[key]; |
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240 | } |
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241 | return std::vector<int>(); |
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242 | } |
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243 | |
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244 | std::vector< int > STSelector::getScans( ) const |
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245 | { |
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246 | return getint("SCANNO"); |
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247 | } |
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248 | |
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249 | std::vector< int > STSelector::getBeams( ) const |
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250 | { |
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251 | return getint("BEAMNO"); |
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252 | } |
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253 | |
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254 | std::vector< int > STSelector::getIFs( ) const |
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255 | { |
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256 | return getint("IFNO"); |
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257 | } |
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258 | |
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259 | std::vector< int > STSelector::getPols( ) const |
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260 | { |
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261 | return getint("POLNO"); |
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262 | } |
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263 | |
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264 | std::vector< int > asap::STSelector::getCycles( ) const |
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265 | { |
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266 | return getint("CYCLENO"); |
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267 | } |
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268 | |
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269 | std::vector< int > asap::STSelector::getTypes( ) const |
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270 | { |
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271 | return getint("SRCTYPE") ; |
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272 | } |
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273 | |
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274 | std::vector< int > asap::STSelector::getRows( ) const |
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275 | { |
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276 | return rowselection_ ; |
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277 | } |
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278 | |
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279 | std::string asap::STSelector::print( ) |
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280 | { |
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281 | ostringstream oss; |
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282 | oss.flags(std::ios_base::left); |
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283 | oss << setw(15) << "Selection:"; |
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284 | if ( empty() ) { |
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285 | oss << "none"; |
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286 | return String(oss); |
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287 | } |
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288 | |
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289 | intidmap::const_iterator it = intselections_.begin(); |
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290 | while (it != intselections_.end()) { |
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291 | if ( it != intselections_.begin() ) |
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292 | oss << setw(15) << " "; |
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293 | oss << it->first << ": " << Vector<Int>(it->second); |
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294 | ++it; |
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295 | if ( it != intselections_.end() ) oss << endl; |
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296 | } |
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297 | stringidmap::const_iterator it1 = stringselections_.begin(); |
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298 | while (it1 != stringselections_.end()) { |
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299 | if ( it1 != stringselections_.begin() ) |
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300 | oss << setw(15) << " "; |
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301 | oss << it1->first << ": " << mathutil::toVectorString(it1->second); |
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302 | ++it1; |
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303 | if ( it1 != stringselections_.end() ) oss << endl; |
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304 | } |
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305 | if ( taql_.size() > 0 ) { |
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306 | oss << endl << setw(15) << "" << taql_; |
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307 | } |
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308 | return String(oss); |
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309 | } |
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310 | |
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311 | bool asap::STSelector::empty( ) const |
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312 | { |
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313 | //return (intselections_.empty() && taql_.size() == 0 ); |
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314 | return (intselections_.empty() && taql_.size() == 0 && rowselection_.size() == 0); |
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315 | } |
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316 | |
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317 | casa::Table asap::STSelector::sort( const casa::Table & tab ) |
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318 | { |
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319 | if (order_.nelements() > 0) { |
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320 | Table t = tab.sort(order_); |
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321 | return t; |
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322 | } else { |
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323 | return tab; |
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324 | } |
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325 | } |
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326 | |
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327 | |
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328 | void asap::STSelector::setPolFromStrings( const std::vector< std::string >& pols ) |
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329 | { |
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330 | poltypes_.clear(); |
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331 | std::vector<int> polints; |
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332 | std::vector<std::string>::const_iterator strit; |
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333 | for (strit = pols.begin(); strit != pols.end(); ++strit) { |
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334 | std::pair<int, std::string> val; |
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335 | try { |
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336 | val = STPol::polFromString(*strit); |
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337 | } catch (AipsError& e) { |
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338 | poltypes_.clear(); |
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339 | throw(e); |
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340 | } |
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341 | polints.push_back(val.first); |
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342 | poltypes_.push_back(val.second); |
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343 | } |
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344 | setint("POLNO", polints); |
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345 | } |
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346 | |
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347 | std::vector< std::string > asap::STSelector::getPolTypes( ) const |
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348 | { |
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349 | return poltypes_; |
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350 | } |
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351 | |
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352 | std::vector<std::string> asap::STSelector::getSortOrder() const |
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353 | { |
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354 | std::vector<std::string> out; |
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355 | for (uInt i=0;i<order_.nelements(); ++i) |
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356 | out.push_back(order_[i]); |
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357 | return out; |
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358 | } |
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