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