[824] | 1 | // |
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| 2 | // C++ Interface: Scantable |
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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) 2005 |
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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 ASAPSCANTABLE_H |
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| 13 | #define ASAPSCANTABLE_H |
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[2] | 14 | |
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| 15 | // STL |
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| 16 | #include <string> |
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| 17 | #include <vector> |
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| 18 | // AIPS++ |
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[455] | 19 | #include <casa/aips.h> |
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[322] | 20 | #include <casa/Arrays/MaskedArray.h> |
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[80] | 21 | #include <casa/BasicSL/String.h> |
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[824] | 22 | #include <casa/Utilities/CountedPtr.h> |
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| 23 | |
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[322] | 24 | #include <coordinates/Coordinates/SpectralCoordinate.h> |
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[824] | 25 | |
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[80] | 26 | #include <tables/Tables/Table.h> |
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[322] | 27 | #include <tables/Tables/ArrayColumn.h> |
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| 28 | #include <tables/Tables/ScalarColumn.h> |
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| 29 | |
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[824] | 30 | #include <measures/TableMeasures/ScalarMeasColumn.h> |
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| 31 | |
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[894] | 32 | #include "Logger.h" |
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[901] | 33 | #include "STHeader.h" |
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[824] | 34 | #include "STFrequencies.h" |
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| 35 | #include "STWeather.h" |
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| 36 | #include "STFocus.h" |
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| 37 | #include "STTcal.h" |
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| 38 | #include "STMolecules.h" |
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| 39 | #include "STSelector.h" |
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[860] | 40 | #include "STHistory.h" |
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[896] | 41 | #include "STPol.h" |
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[960] | 42 | #include "STFit.h" |
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[972] | 43 | #include "STFitEntry.h" |
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[2] | 44 | |
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[824] | 45 | namespace asap { |
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[2] | 46 | |
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[824] | 47 | /** |
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| 48 | * This class contains and wraps a casa::Table, which is used to store |
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| 49 | * all the information. This can be either a MemoryTable or a |
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| 50 | * disk based Table. |
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| 51 | * It provides access functions to the underlying table |
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| 52 | * It contains n subtables: |
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| 53 | * @li weather |
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| 54 | * @li frequencies |
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| 55 | * @li molecules |
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| 56 | * @li tcal |
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| 57 | * @li focus |
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| 58 | * @li fits |
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| 59 | * |
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| 60 | * @brief The main ASAP data container |
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| 61 | * @author Malte Marquarding |
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| 62 | * @date |
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| 63 | * @version |
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| 64 | */ |
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[890] | 65 | class Scantable : private Logger |
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[824] | 66 | { |
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[902] | 67 | |
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| 68 | friend class STMath; |
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| 69 | |
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[2] | 70 | public: |
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[824] | 71 | /** |
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| 72 | * Default constructor |
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| 73 | */ |
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| 74 | Scantable(casa::Table::TableType ttype = casa::Table::Memory); |
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[19] | 75 | |
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[824] | 76 | /** |
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| 77 | * Create a Scantable object form an existing table on disk |
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| 78 | * @param[in] name the name of the existing Scantable |
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| 79 | */ |
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| 80 | Scantable(const std::string& name, casa::Table::TableType ttype = casa::Table::Memory); |
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[2] | 81 | |
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[824] | 82 | /// @fixme this is only sensible for MemoryTables.... |
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| 83 | Scantable(const Scantable& other, bool clear=true); |
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[161] | 84 | |
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[824] | 85 | /** |
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| 86 | * Destructor |
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| 87 | */ |
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| 88 | virtual ~Scantable(); |
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[745] | 89 | |
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[824] | 90 | /** |
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| 91 | * get a const reference to the underlying casa::Table |
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[845] | 92 | * @return consantcasa::Table reference |
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[824] | 93 | */ |
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| 94 | const casa::Table& table() const; |
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[19] | 95 | |
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[824] | 96 | /** |
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| 97 | * get a reference to the underlying casa::Table with the Selection |
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| 98 | * object applied if set |
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| 99 | * @return casa::Table reference |
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| 100 | */ |
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| 101 | casa::Table& table(); |
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[21] | 102 | |
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[845] | 103 | |
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| 104 | /** |
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| 105 | * Get a handle to the selection object |
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| 106 | * @return constant STSelector reference |
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| 107 | */ |
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| 108 | const STSelector& getSelection() const { return selector_; } |
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| 109 | |
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| 110 | /** |
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| 111 | * Set the data to be a subset as defined by the STSelector |
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| 112 | * @param selection a STSelector object |
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| 113 | */ |
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[824] | 114 | void setSelection(const STSelector& selection); |
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[845] | 115 | |
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| 116 | /** |
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| 117 | * unset the selection of the data |
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| 118 | */ |
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[824] | 119 | void unsetSelection(); |
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| 120 | /** |
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| 121 | * set the header |
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[901] | 122 | * @param[in] sdh an STHeader object |
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[824] | 123 | */ |
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[901] | 124 | void setHeader( const STHeader& sth ); |
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[386] | 125 | |
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[824] | 126 | /** |
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| 127 | * get the header information |
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[901] | 128 | * @return an STHeader object |
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[824] | 129 | */ |
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[901] | 130 | STHeader getHeader( ) const; |
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[824] | 131 | /** |
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| 132 | * Checks if the "other" Scantable is conformant with this, |
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| 133 | * i.e. if header values are the same. |
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| 134 | * @param[in] other another Scantable |
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| 135 | * @return true or false |
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| 136 | */ |
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| 137 | bool conformant( const Scantable& other); |
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[430] | 138 | |
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[824] | 139 | /** |
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| 140 | * return the number of scans in the table |
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| 141 | * @return number of scans in the table |
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| 142 | */ |
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[845] | 143 | int nscan() const; |
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[490] | 144 | |
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[915] | 145 | casa::MEpoch::Types getTimeReference() const; |
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[21] | 146 | |
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[824] | 147 | /** |
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| 148 | * Get global antenna position |
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[845] | 149 | * @return casa::MPosition |
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[824] | 150 | */ |
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| 151 | casa::MPosition getAntennaPosition() const; |
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[490] | 152 | |
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[987] | 153 | casa::MDirection getDirection( int whichrow ) const; |
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| 154 | |
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| 155 | void setDirectionRefString(const std::string& refstr=""); |
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| 156 | |
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| 157 | std::string getDirectionRefString() const; |
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| 158 | |
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[824] | 159 | /** |
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[845] | 160 | * Return the Flux unit of the data, e.g. "Jy" or "K" |
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| 161 | * @return string |
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[824] | 162 | */ |
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| 163 | std::string getFluxUnit() const; |
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[472] | 164 | |
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[824] | 165 | /** |
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[845] | 166 | * Set the Flux unit of the data |
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| 167 | * @param unit a string representing the unit, e.g "Jy" or "K" |
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[824] | 168 | */ |
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| 169 | void setFluxUnit( const std::string& unit ); |
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[472] | 170 | |
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[824] | 171 | /** |
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| 172 | * |
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[845] | 173 | * @param instrument a string representing an insturment. see xxx |
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[824] | 174 | */ |
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| 175 | void setInstrument( const std::string& instrument ); |
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[2] | 176 | |
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[845] | 177 | /** |
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| 178 | * (Re)calculate the azimuth and elevationnfor all rows |
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| 179 | */ |
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[824] | 180 | void calculateAZEL(); |
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[745] | 181 | |
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[824] | 182 | /** |
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[845] | 183 | * "hard" flag the data, this flags everything selected in setSelection() |
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[824] | 184 | */ |
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[1000] | 185 | void flag( const std::vector<bool>& msk = std::vector<bool>()); |
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[455] | 186 | |
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[852] | 187 | /** |
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| 188 | * Return a list of row numbers with respect to the original table. |
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[902] | 189 | * @return a list of unsigned ints |
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[852] | 190 | */ |
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| 191 | std::vector<unsigned int> rownumbers() const; |
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[845] | 192 | |
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[852] | 193 | |
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[845] | 194 | /** |
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| 195 | * Get the number of beams in the data or a specific scan |
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| 196 | * @param scanno the scan number to get the number of beams for. |
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| 197 | * If scanno<0 the number is retrieved from the header. |
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| 198 | * @return an integer number |
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| 199 | */ |
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[824] | 200 | int nbeam(int scanno=-1) const; |
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[845] | 201 | /** |
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| 202 | * Get the number of IFs in the data or a specific scan |
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| 203 | * @param scanno the scan number to get the number of IFs for. |
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| 204 | * If scanno<0 the number is retrieved from the header. |
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| 205 | * @return an integer number |
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| 206 | */ |
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[824] | 207 | int nif(int scanno=-1) const; |
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[845] | 208 | /** |
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| 209 | * Get the number of polarizations in the data or a specific scan |
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| 210 | * @param scanno the scan number to get the number of polarizations for. |
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| 211 | * If scanno<0 the number is retrieved from the header. |
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| 212 | * @return an integer number |
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| 213 | */ |
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[824] | 214 | int npol(int scanno=-1) const; |
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[794] | 215 | |
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[896] | 216 | std::string getPolType() const; |
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| 217 | |
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[845] | 218 | /** |
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| 219 | * Get the number of channels in the data or a specific IF. This currently |
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| 220 | * varies only with IF number |
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| 221 | * @param ifno the IF number to get the number of channels for. |
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| 222 | * If ifno<0 the number is retrieved from the header. |
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| 223 | * @return an integer number |
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| 224 | */ |
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| 225 | int nchan(int ifno=-1) const; |
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| 226 | |
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| 227 | /** |
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| 228 | * Get the number of integartion cycles |
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| 229 | * @param scanno the scan number to get the number of rows for. |
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| 230 | * If scanno<0 the number is retrieved from the header. |
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| 231 | * @return |
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| 232 | */ |
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[824] | 233 | int nrow(int scanno=-1) const; |
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[794] | 234 | |
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[845] | 235 | int ncycle(int scanno=-1) const; |
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[50] | 236 | |
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[847] | 237 | int getBeam(int whichrow) const; |
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| 238 | int getIF(int whichrow) const; |
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| 239 | int getPol(int whichrow) const; |
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[865] | 240 | int getCycle(int whichrow) const { return cycleCol_(whichrow); } |
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| 241 | int getScan(int whichrow) const { return scanCol_(whichrow); } |
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[923] | 242 | int getChannels(int whichrow) const; |
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[206] | 243 | |
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[847] | 244 | double getInterval(int whichrow) const |
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| 245 | { return integrCol_(whichrow); } |
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[845] | 246 | |
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[865] | 247 | float getTsys(int whichrow) const |
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| 248 | { return casa::Vector<casa::Float>(tsysCol_(whichrow))(0); } |
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[847] | 249 | float getElevation(int whichrow) const |
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| 250 | { return elCol_(whichrow); } |
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| 251 | float getAzimuth(int whichrow) const |
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| 252 | { return azCol_(whichrow); } |
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[865] | 253 | float getParAngle(int whichrow) const |
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[847] | 254 | { return paraCol_(whichrow); } |
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[386] | 255 | |
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[865] | 256 | std::string getSourceName(int whichrow) const |
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| 257 | { return srcnCol_(whichrow); } |
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| 258 | |
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[847] | 259 | std::vector<bool> getMask(int whichrow) const; |
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[896] | 260 | std::vector<float> getSpectrum(int whichrow, |
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[905] | 261 | const std::string& poltype = "" ) const; |
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[847] | 262 | |
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[884] | 263 | void setSpectrum(const std::vector<float>& spec, int whichrow); |
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| 264 | |
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[902] | 265 | std::string getPolarizationLabel(int index, const std::string& ptype) const |
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| 266 | { return STPol::getPolLabel(index, ptype ); } |
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[401] | 267 | |
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[845] | 268 | /** |
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| 269 | * Write the Scantable to disk |
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| 270 | * @param filename the output file name |
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| 271 | */ |
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[824] | 272 | void makePersistent(const std::string& filename); |
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[745] | 273 | |
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[860] | 274 | std::vector<std::string> getHistory() const |
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| 275 | { return historyTable_.getHistory(); }; |
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[483] | 276 | |
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[860] | 277 | void addHistory(const std::string& hist) { historyTable_.addEntry(hist); } |
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[488] | 278 | |
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[860] | 279 | void appendToHistoryTable(const STHistory& otherhist) |
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| 280 | { historyTable_.append(otherhist); } |
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| 281 | |
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[824] | 282 | std::string summary(bool verbose=false); |
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| 283 | std::string getTime(int whichrow=-1, bool showdate=true) const; |
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[19] | 284 | |
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[847] | 285 | // returns unit, conversion frame, doppler, base-frame |
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[18] | 286 | |
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[847] | 287 | /** |
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| 288 | * Get the frequency set up |
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| 289 | * This is forwarded to the STFrequencies subtable |
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| 290 | * @return unit, frame, doppler |
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| 291 | */ |
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| 292 | std::vector<std::string> getCoordInfo() const |
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| 293 | { return freqTable_.getInfo(); }; |
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| 294 | |
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| 295 | void setCoordInfo(std::vector<string> theinfo) |
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| 296 | { return freqTable_.setInfo(theinfo); }; |
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| 297 | |
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[865] | 298 | |
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| 299 | std::vector<double> getAbcissa(int whichrow) const; |
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| 300 | |
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[847] | 301 | std::string getAbcissaLabel(int whichrow) const; |
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| 302 | std::vector<double> getRestFrequencies() const |
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| 303 | { return moleculeTable_.getRestFrequencies(); } |
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| 304 | |
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| 305 | void setRestFrequencies(double rf, const std::string& = "Hz"); |
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| 306 | void setRestFrequencies(const std::string& name); |
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| 307 | |
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[987] | 308 | void convertDirection(const std::string& newframe); |
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| 309 | |
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[824] | 310 | STFrequencies& frequencies() { return freqTable_; } |
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| 311 | STWeather& weather() { return weatherTable_; } |
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| 312 | STFocus& focus() { return focusTable_; } |
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| 313 | STTcal& tcal() { return tcalTable_; } |
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| 314 | STMolecules& molecules() { return moleculeTable_; } |
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[860] | 315 | STHistory& history() { return historyTable_; } |
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[972] | 316 | STFit& fit() { return fitTable_; } |
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[2] | 317 | |
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[902] | 318 | std::vector<std::string> columnNames() const; |
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[896] | 319 | |
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[972] | 320 | void addFit(const STFitEntry& fit, int row); |
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| 321 | STFitEntry getFit(int row) const |
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| 322 | { STFitEntry fe; fitTable_.getEntry(fe, mfitidCol_(row)); return fe; } |
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| 323 | |
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[824] | 324 | private: |
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[896] | 325 | |
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| 326 | casa::Matrix<casa::Float> getPolMatrix( casa::uInt whichrow ) const; |
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| 327 | |
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[824] | 328 | /** |
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| 329 | * Turns a time vale into a formatted string |
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| 330 | * @param x |
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| 331 | * @return |
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| 332 | */ |
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| 333 | std::string formatSec(casa::Double x) const; |
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[18] | 334 | |
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[824] | 335 | std::string formatTime(const casa::MEpoch& me, bool showdate)const; |
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[22] | 336 | |
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[824] | 337 | /** |
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| 338 | * Turns a casa::MDirection into a nicely formatted string |
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| 339 | * @param md an casa::MDirection |
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| 340 | * @return |
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| 341 | */ |
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| 342 | std::string formatDirection(const casa::MDirection& md) const; |
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[19] | 343 | |
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[286] | 344 | |
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[824] | 345 | /** |
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| 346 | * Create a unique file name for the paged (temporary) table |
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| 347 | * @return just the name |
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| 348 | */ |
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| 349 | static casa::String generateName(); |
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[286] | 350 | |
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[824] | 351 | /** |
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| 352 | * attach to cached columns |
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| 353 | */ |
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| 354 | void attach(); |
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[50] | 355 | |
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[824] | 356 | /** |
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| 357 | * Set up the main casa::Table |
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| 358 | */ |
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| 359 | void setupMainTable(); |
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[88] | 360 | |
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[859] | 361 | void attachSubtables(); |
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[865] | 362 | void copySubtables(const Scantable& other); |
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| 363 | |
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[824] | 364 | /** |
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| 365 | * Convert an "old" asap1 style row index into a new index |
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| 366 | * @param[in] therow |
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| 367 | * @return and index into @table_ |
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| 368 | */ |
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| 369 | int rowToScanIndex(int therow); |
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[212] | 370 | |
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[1030] | 371 | static const casa::uInt version_ = 2; |
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[286] | 372 | |
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[824] | 373 | STSelector selector_; |
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[236] | 374 | |
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[824] | 375 | casa::Table::TableType type_; |
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[465] | 376 | |
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[824] | 377 | // the actual data |
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| 378 | casa::Table table_; |
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| 379 | casa::Table originalTable_; |
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[745] | 380 | |
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[824] | 381 | STTcal tcalTable_; |
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| 382 | STFrequencies freqTable_; |
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| 383 | STWeather weatherTable_; |
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| 384 | STFocus focusTable_; |
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| 385 | STMolecules moleculeTable_; |
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[860] | 386 | STHistory historyTable_; |
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[960] | 387 | STFit fitTable_; |
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[860] | 388 | |
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[824] | 389 | // Cached Columns to avoid reconstructing them for each row get/put |
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[847] | 390 | casa::ScalarColumn<casa::Double> integrCol_; |
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[824] | 391 | casa::MDirection::ScalarColumn dirCol_; |
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[847] | 392 | casa::MEpoch::ScalarColumn timeCol_; |
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[923] | 393 | casa::ScalarColumn<casa::Float> azCol_; |
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| 394 | casa::ScalarColumn<casa::Float> elCol_; |
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[824] | 395 | casa::ScalarColumn<casa::Float> paraCol_; |
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| 396 | casa::ScalarColumn<casa::String> srcnCol_, fldnCol_; |
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[847] | 397 | casa::ScalarColumn<casa::uInt> scanCol_, beamCol_, ifCol_, polCol_, cycleCol_; |
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[824] | 398 | casa::ScalarColumn<casa::Int> rbeamCol_; |
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[865] | 399 | casa::ArrayColumn<casa::Float> specCol_, tsysCol_; |
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[824] | 400 | casa::ArrayColumn<casa::uChar> flagsCol_; |
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[430] | 401 | |
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[824] | 402 | // id in frequencies table |
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| 403 | casa::ScalarColumn<casa::uInt> mfreqidCol_; |
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| 404 | // id in tcal table |
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| 405 | casa::ScalarColumn<casa::uInt> mtcalidCol_; |
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[430] | 406 | |
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[824] | 407 | casa::ArrayColumn<casa::String> histitemCol_; |
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[972] | 408 | casa::ScalarColumn<casa::Int> mfitidCol_; |
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[824] | 409 | casa::ScalarColumn<casa::uInt> mweatheridCol_; |
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[322] | 410 | |
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[824] | 411 | casa::ScalarColumn<casa::uInt> mfocusidCol_; |
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| 412 | |
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| 413 | casa::ScalarColumn<casa::uInt> mmolidCol_; |
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| 414 | |
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[896] | 415 | static std::map<std::string, STPol::STPolFactory *> factories_; |
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| 416 | void initFactories(); |
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| 417 | |
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[2] | 418 | }; |
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| 419 | |
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[824] | 420 | |
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| 421 | } // namespace |
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| 422 | |
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[2] | 423 | #endif |
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