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 | taql_(other.taql_), |
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36 | poltypes_(other.poltypes_), |
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37 | order_(other.order_) { |
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38 | } |
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39 | |
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40 | STSelector& STSelector::operator=( const STSelector& other ) |
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41 | { |
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42 | if (&other != this) { |
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43 | this->intselections_ = other.intselections_; |
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44 | this->stringselections_ = other.stringselections_; |
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45 | this->taql_ = other.taql_; |
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46 | } |
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47 | return *this; |
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48 | } |
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49 | |
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50 | STSelector::~STSelector() |
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51 | { |
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52 | } |
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53 | |
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54 | void STSelector::setScans( const std::vector< int >& scans ) |
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55 | { |
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56 | setint("SCANNO", scans); |
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57 | } |
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58 | |
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59 | void STSelector::setBeams( const std::vector< int >& beams ) |
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60 | { |
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61 | setint("BEAMNO", beams); |
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62 | } |
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63 | |
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64 | void STSelector::setIFs( const std::vector< int >& ifs ) |
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65 | { |
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66 | setint("IFNO", ifs); |
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67 | } |
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68 | |
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69 | void STSelector::setPolarizations( const std::vector< int >& pols ) |
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70 | { |
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71 | setint("POLNO", pols); |
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72 | } |
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73 | |
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74 | void asap::STSelector::setCycles( const std::vector< int >& cycs ) |
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75 | { |
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76 | setint("CYCLENO", cycs); |
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77 | } |
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78 | |
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79 | void asap::STSelector::setName( const std::string& sname ) |
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80 | { |
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81 | std::string sql = "SELECT from $1 WHERE SRCNAME == pattern('"+sname+"')"; |
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82 | setTaQL(sql); |
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83 | } |
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84 | |
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85 | void STSelector::setint(const std::string& key, const std::vector< int >& val) |
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86 | { |
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87 | if ( val.size() > 0 ) { |
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88 | intselections_[key] = val; |
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89 | } |
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90 | } |
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91 | |
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92 | void STSelector::setstring( const std::string& key, |
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93 | const std::vector<std::string>& val ) |
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94 | { |
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95 | if ( val.size() > 0 ) { |
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96 | stringselections_[key] = val; |
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97 | } |
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98 | } |
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99 | |
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100 | void STSelector::setTaQL( const std::string& taql ) |
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101 | { |
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102 | taql_ = taql; |
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103 | } |
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104 | |
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105 | |
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106 | void asap::STSelector::setSortOrder( const std::vector< std::string > & order ) |
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107 | { |
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108 | order_.resize(order.size(), True); |
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109 | for (int i=0;i<order.size();++i) { |
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110 | order_[i] = order[i]; |
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111 | } |
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112 | } |
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113 | |
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114 | Table STSelector::apply( const Table& tab ) |
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115 | { |
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116 | if ( empty() ) { |
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117 | return sort(tab); |
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118 | } |
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119 | TableExprNode query; |
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120 | intidmap::const_iterator it = intselections_.begin(); |
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121 | for (it; it != intselections_.end(); ++it) { |
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122 | TableExprNode theset(Vector<Int>( (*it).second )); |
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123 | if ( query.isNull() ) { |
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124 | query = tab.col((*it).first).in(theset); |
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125 | } else { |
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126 | query = tab.col((*it).first).in(theset) && query; |
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127 | } |
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128 | } |
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129 | stringidmap::const_iterator it1 = stringselections_.begin(); |
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130 | for (it1; it1 != stringselections_.end(); ++it1) { |
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131 | TableExprNode theset(mathutil::toVectorString( (*it1).second )); |
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132 | if ( query.isNull() ) { |
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133 | query = tab.col((*it1).first).in(theset); |
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134 | } else { |
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135 | query = tab.col((*it1).first).in(theset) && query; |
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136 | } |
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137 | } |
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138 | // add taql query |
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139 | if ( taql_.size() > 0 ) { |
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140 | Table tmpt = tab; |
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141 | |
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142 | if ( !query.isNull() ) { // taql and selection |
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143 | tmpt = tableCommand(taql_, tab(query)); |
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144 | } else { // taql only |
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145 | tmpt = tableCommand(taql_, tab); |
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146 | } |
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147 | return sort(tmpt); |
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148 | } else { |
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149 | if ( query.isNull() ) { |
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150 | return sort(tab); |
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151 | } else { |
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152 | return sort(tab(query)); |
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153 | } |
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154 | } |
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155 | } |
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156 | |
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157 | std::vector< int > STSelector::getint( const std::string& key ) const |
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158 | { |
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159 | if (intselections_.count(key) > 0) { |
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160 | return intselections_[key]; |
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161 | } |
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162 | return std::vector<int>(); |
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163 | } |
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164 | |
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165 | std::vector< int > STSelector::getScans( ) const |
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166 | { |
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167 | return getint("SCANNO"); |
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168 | } |
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169 | |
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170 | std::vector< int > STSelector::getBeams( ) const |
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171 | { |
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172 | return getint("BEAMNO"); |
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173 | } |
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174 | |
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175 | std::vector< int > STSelector::getIFs( ) const |
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176 | { |
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177 | return getint("IFNO"); |
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178 | } |
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179 | |
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180 | std::vector< int > STSelector::getPols( ) const |
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181 | { |
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182 | return getint("POLNO"); |
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183 | } |
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184 | |
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185 | std::vector< int > asap::STSelector::getCycles( ) const |
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186 | { |
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187 | return getint("CYCLENO"); |
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188 | } |
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189 | |
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190 | std::string asap::STSelector::print( ) |
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191 | { |
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192 | ostringstream oss; |
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193 | oss.flags(std::ios_base::left); |
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194 | oss << setw(15) << "Selection:"; |
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195 | if ( empty() ) { |
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196 | oss << "none"; |
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197 | return String(oss); |
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198 | } |
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199 | |
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200 | intidmap::const_iterator it = intselections_.begin(); |
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201 | while (it != intselections_.end()) { |
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202 | if ( it != intselections_.begin() ) |
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203 | oss << setw(15) << " "; |
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204 | oss << it->first << ": " << Vector<Int>(it->second); |
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205 | ++it; |
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206 | if ( it != intselections_.end() ) oss << endl; |
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207 | } |
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208 | stringidmap::const_iterator it1 = stringselections_.begin(); |
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209 | while (it1 != stringselections_.end()) { |
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210 | if ( it1 != stringselections_.begin() ) |
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211 | oss << setw(15) << " "; |
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212 | oss << it1->first << ": " << mathutil::toVectorString(it1->second); |
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213 | ++it1; |
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214 | if ( it1 != stringselections_.end() ) oss << endl; |
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215 | } |
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216 | if ( taql_.size() > 0 ) { |
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217 | oss << endl << setw(15) << "" << taql_; |
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218 | } |
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219 | return String(oss); |
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220 | } |
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221 | |
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222 | bool asap::STSelector::empty( ) const |
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223 | { |
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224 | return (intselections_.empty() && taql_.size() == 0 ); |
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225 | } |
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226 | |
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227 | casa::Table asap::STSelector::sort( const casa::Table & tab ) |
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228 | { |
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229 | if (order_.nelements() > 0) { |
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230 | Table t = tab.sort(order_); |
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231 | return t; |
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232 | } else { |
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233 | return tab; |
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234 | } |
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235 | } |
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236 | |
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237 | |
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238 | void asap::STSelector::setPolFromStrings( const std::vector< std::string >& pols ) |
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239 | { |
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240 | poltypes_.clear(); |
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241 | std::vector<int> polints; |
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242 | std::vector<std::string>::const_iterator strit = pols.begin(); |
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243 | for (strit; strit != pols.end(); ++strit) { |
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244 | std::pair<int, std::string> val; |
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245 | try { |
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246 | val = STPol::polFromString(*strit); |
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247 | } catch (AipsError& e) { |
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248 | poltypes_.clear(); |
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249 | throw(e); |
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250 | } |
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251 | polints.push_back(val.first); |
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252 | poltypes_.push_back(val.second); |
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253 | } |
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254 | setint("POLNO", polints); |
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255 | } |
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256 | |
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257 | std::vector< std::string > asap::STSelector::getPolTypes( ) const |
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258 | { |
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259 | return poltypes_; |
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260 | } |
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261 | |
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262 | std::vector<std::string> asap::STSelector::getSortOrder() const |
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263 | { |
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264 | std::vector<std::string> out; |
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265 | for (uInt i=0;i<order_.nelements(); ++i) |
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266 | out.push_back(order_[i]); |
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267 | return out; |
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268 | } |
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