1 | //
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2 | // C++ Interface: STMath
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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 | #ifndef ASAPSTMATH_H
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13 | #define ASAPSTMATH_H
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14 |
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15 | #include <string>
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16 | #include <map>
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17 |
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18 | #include <casa/aips.h>
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19 | #include <casa/Utilities/CountedPtr.h>
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20 | #include <casa/BasicSL/String.h>
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21 | #include <casa/Arrays/Vector.h>
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22 | #include <scimath/Mathematics/InterpolateArray1D.h>
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23 |
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24 | #include "Scantable.h"
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25 | #include "STDefs.h"
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26 | #include "STPol.h"
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27 | #include "Logger.h"
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28 |
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29 | namespace asap {
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30 |
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31 | /**
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32 | Mathmatical operations on Scantable objects
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33 |
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34 | @author Malte Marquarding
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35 | */
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36 | class STMath : private Logger {
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37 | public:
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38 |
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39 | typedef casa::InterpolateArray1D<casa::Double,
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40 | casa::Float>::InterpolationMethod imethod;
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41 |
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42 | typedef std::map<std::string, imethod> imap;
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43 |
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44 | STMath(bool insitu=true);
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45 |
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46 | ~STMath();
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47 |
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48 | /**
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49 | * set the @attr insitu attribute
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50 | * @param b
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51 | */
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52 | bool insitu() const { return insitu_;};
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53 | void setInsitu(bool b) { insitu_ = b; };
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54 |
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55 | casa::CountedPtr<Scantable>
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56 | average( const std::vector<casa::CountedPtr<Scantable> >& in,
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57 | const std::vector<bool>& mask = std::vector<bool>(),
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58 | const std::string& weight = "NONE",
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59 | const std::string& avmode = "SCAN",
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60 | bool alignfreq = false );
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61 |
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62 | casa::CountedPtr<Scantable>
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63 | unaryOperate( const casa::CountedPtr<Scantable>& in, float val,
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64 | const std::string& mode, bool tsys=false );
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65 |
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66 | casa::CountedPtr<Scantable> quotient( const casa::CountedPtr<Scantable>& in,
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67 | const std::string& mode = "NEAREST",
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68 | bool preserve = true );
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69 |
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70 | casa::CountedPtr<Scantable>
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71 | freqSwitch( const casa::CountedPtr<Scantable>& in );
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72 |
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73 | std::vector<float> statistic(const casa::CountedPtr<Scantable>& in,
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74 | const std::vector<bool>& mask,
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75 | const std::string& which);
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76 |
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77 | casa::CountedPtr<Scantable> bin( const casa::CountedPtr<Scantable>& in,
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78 | int width=5);
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79 | casa::CountedPtr<Scantable>
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80 | resample(const casa::CountedPtr<Scantable>& in,
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81 | const std::string& method, float width);
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82 |
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83 | casa::CountedPtr<Scantable>
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84 | smooth(const casa::CountedPtr<Scantable>& in, const std::string& kernel,
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85 | float width);
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86 |
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87 | casa::CountedPtr<Scantable>
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88 | gainElevation(const casa::CountedPtr<Scantable>& in,
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89 | const std::vector<float>& coeff,
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90 | const std::string& fileName,
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91 | const std::string& method);
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92 | casa::CountedPtr<Scantable>
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93 | convertFlux(const casa::CountedPtr<Scantable>& in, float d,
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94 | float etaap, float jyperk);
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95 |
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96 | casa::CountedPtr<Scantable> opacity(const casa::CountedPtr<Scantable>& in,
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97 | float tau);
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98 |
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99 | casa::CountedPtr<Scantable>
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100 | merge(const std::vector<casa::CountedPtr<Scantable> >& in);
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101 |
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102 | casa::CountedPtr<Scantable>
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103 | invertPhase( const casa::CountedPtr<Scantable>& in);
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104 |
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105 | casa::CountedPtr<Scantable>
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106 | rotateXYPhase( const casa::CountedPtr<Scantable>& in, float phase);
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107 |
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108 | casa::CountedPtr<Scantable>
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109 | rotateLinPolPhase( const casa::CountedPtr<Scantable>& in, float phase);
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110 |
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111 | /// @todo frequency alignment
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112 |
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113 | casa::CountedPtr<Scantable>
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114 | swapPolarisations(const casa::CountedPtr<Scantable>& in);
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115 |
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116 | private:
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117 | casa::CountedPtr<Scantable> applyToPol( const casa::CountedPtr<Scantable>& in,
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118 | STPol::polOperation fptr,
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119 | casa::Float phase);
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120 |
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121 | static imethod stringToIMethod(const std::string& in);
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122 | static WeightType stringToWeight(const std::string& in);
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123 |
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124 | void scaleByVector(casa::Table& in,
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125 | const casa::Vector<casa::Float>& factor,
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126 | bool dotsys);
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127 |
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128 | void scaleFromAsciiTable(casa::Table& in, const std::string& filename,
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129 | const std::string& method,
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130 | const casa::Vector<casa::Float>& xout,
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131 | bool dotsys);
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132 |
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133 | void scaleFromTable(casa::Table& in, const casa::Table& table,
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134 | const std::string& method,
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135 | const casa::Vector<casa::Float>& xout, bool dotsys);
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136 |
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137 | void convertBrightnessUnits(casa::CountedPtr<Scantable>& in,
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138 | bool tokelvin, float cfac);
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139 |
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140 | casa::CountedPtr< Scantable >
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141 | getScantable(const casa::CountedPtr< Scantable >& in, bool droprows);
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142 |
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143 | casa::MaskedArray<casa::Float>
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144 | maskedArray( const casa::Vector<casa::Float>& s,
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145 | const casa::Vector<casa::uChar>& f );
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146 | casa::Vector<casa::uChar>
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147 | flagsFromMA(const casa::MaskedArray<casa::Float>& ma);
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148 |
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149 | bool insitu_;
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150 | };
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151 |
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152 | }
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153 | #endif
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