[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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[717] | 32 | #include "SDLog.h" |
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[824] | 33 | #include "SDContainer.h" |
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| 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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[2] | 40 | |
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[745] | 41 | |
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[2] | 42 | |
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[824] | 43 | namespace asap { |
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[2] | 44 | |
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[824] | 45 | /** |
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| 46 | * This class contains and wraps a casa::Table, which is used to store |
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| 47 | * all the information. This can be either a MemoryTable or a |
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| 48 | * disk based Table. |
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| 49 | * It provides access functions to the underlying table |
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| 50 | * It contains n subtables: |
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| 51 | * @li weather |
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| 52 | * @li frequencies |
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| 53 | * @li molecules |
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| 54 | * @li tcal |
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| 55 | * @li focus |
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| 56 | * @li fits |
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| 57 | * |
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| 58 | * @brief The main ASAP data container |
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| 59 | * @author Malte Marquarding |
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| 60 | * @date |
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| 61 | * @version |
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| 62 | */ |
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| 63 | class Scantable : private SDLog |
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| 64 | { |
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[2] | 65 | public: |
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[824] | 66 | /** |
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| 67 | * Default constructor |
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| 68 | */ |
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| 69 | Scantable(casa::Table::TableType ttype = casa::Table::Memory); |
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[19] | 70 | |
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[824] | 71 | /** |
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| 72 | * Create a Scantable object form an existing table on disk |
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| 73 | * @param[in] name the name of the existing Scantable |
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| 74 | */ |
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| 75 | Scantable(const std::string& name, casa::Table::TableType ttype = casa::Table::Memory); |
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[2] | 76 | |
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[824] | 77 | /// @fixme this is only sensible for MemoryTables.... |
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| 78 | Scantable(const Scantable& other, bool clear=true); |
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[161] | 79 | |
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[824] | 80 | /** |
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| 81 | * Destructor |
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| 82 | */ |
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| 83 | virtual ~Scantable(); |
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[745] | 84 | |
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[824] | 85 | /** |
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| 86 | * get a const reference to the underlying casa::Table |
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[845] | 87 | * @return consantcasa::Table reference |
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[824] | 88 | */ |
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| 89 | const casa::Table& table() const; |
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[19] | 90 | |
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[824] | 91 | /** |
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| 92 | * get a reference to the underlying casa::Table with the Selection |
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| 93 | * object applied if set |
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| 94 | * @return casa::Table reference |
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| 95 | */ |
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| 96 | casa::Table& table(); |
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[21] | 97 | |
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[845] | 98 | |
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| 99 | /** |
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| 100 | * Get a handle to the selection object |
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| 101 | * @return constant STSelector reference |
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| 102 | */ |
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| 103 | const STSelector& getSelection() const { return selector_; } |
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| 104 | |
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| 105 | /** |
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| 106 | * Set the data to be a subset as defined by the STSelector |
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| 107 | * @param selection a STSelector object |
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| 108 | */ |
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[824] | 109 | void setSelection(const STSelector& selection); |
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[845] | 110 | |
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| 111 | /** |
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| 112 | * unset the selection of the data |
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| 113 | */ |
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[824] | 114 | void unsetSelection(); |
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| 115 | /** |
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| 116 | * set the header |
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| 117 | * @param[in] sdh an SDHeader object |
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| 118 | */ |
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[845] | 119 | void setHeader( const SDHeader& sdh ); |
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[386] | 120 | |
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[824] | 121 | /** |
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| 122 | * get the header information |
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| 123 | * @return an SDHeader object |
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| 124 | */ |
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[845] | 125 | SDHeader getHeader( ) const; |
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[824] | 126 | /** |
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| 127 | * Checks if the "other" Scantable is conformant with this, |
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| 128 | * i.e. if header values are the same. |
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| 129 | * @param[in] other another Scantable |
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| 130 | * @return true or false |
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| 131 | */ |
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| 132 | bool conformant( const Scantable& other); |
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[430] | 133 | |
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[824] | 134 | /** |
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| 135 | * return the number of scans in the table |
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| 136 | * @return number of scans in the table |
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| 137 | */ |
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[845] | 138 | int nscan() const; |
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[490] | 139 | |
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[824] | 140 | //casa::MDirection::Types getDirectionReference() const; |
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| 141 | //casa::MEpoch::Types getTimeReference() const; |
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[21] | 142 | |
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[824] | 143 | /** |
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| 144 | * Get global antenna position |
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[845] | 145 | * @return casa::MPosition |
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[824] | 146 | */ |
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| 147 | casa::MPosition getAntennaPosition() const; |
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[490] | 148 | |
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[824] | 149 | /** |
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[845] | 150 | * Return the Flux unit of the data, e.g. "Jy" or "K" |
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| 151 | * @return string |
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[824] | 152 | */ |
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| 153 | std::string getFluxUnit() const; |
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[472] | 154 | |
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[824] | 155 | /** |
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[845] | 156 | * Set the Flux unit of the data |
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| 157 | * @param unit a string representing the unit, e.g "Jy" or "K" |
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[824] | 158 | */ |
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| 159 | void setFluxUnit( const std::string& unit ); |
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[472] | 160 | |
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[824] | 161 | /** |
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| 162 | * |
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[845] | 163 | * @param instrument a string representing an insturment. see xxx |
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[824] | 164 | */ |
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| 165 | void setInstrument( const std::string& instrument ); |
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[2] | 166 | |
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[845] | 167 | /** |
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| 168 | * (Re)calculate the azimuth and elevationnfor all rows |
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| 169 | */ |
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[824] | 170 | void calculateAZEL(); |
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[745] | 171 | |
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[824] | 172 | /** |
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[845] | 173 | * "hard" flag the data, this flags everything selected in setSelection() |
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[824] | 174 | */ |
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| 175 | void flag(); |
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[455] | 176 | |
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[852] | 177 | /** |
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| 178 | * Return a list of row numbers with respect to the original table. |
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| 179 | * @return a lsi of rownumbers with respect to the original table |
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| 180 | */ |
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| 181 | std::vector<unsigned int> rownumbers() const; |
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[845] | 182 | |
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[852] | 183 | |
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[845] | 184 | /** |
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| 185 | * Get the number of beams in the data or a specific scan |
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| 186 | * @param scanno the scan number to get the number of beams for. |
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| 187 | * If scanno<0 the number is retrieved from the header. |
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| 188 | * @return an integer number |
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| 189 | */ |
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[824] | 190 | int nbeam(int scanno=-1) const; |
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[845] | 191 | /** |
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| 192 | * Get the number of IFs in the data or a specific scan |
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| 193 | * @param scanno the scan number to get the number of IFs for. |
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| 194 | * If scanno<0 the number is retrieved from the header. |
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| 195 | * @return an integer number |
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| 196 | */ |
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[824] | 197 | int nif(int scanno=-1) const; |
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[845] | 198 | /** |
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| 199 | * Get the number of polarizations in the data or a specific scan |
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| 200 | * @param scanno the scan number to get the number of polarizations for. |
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| 201 | * If scanno<0 the number is retrieved from the header. |
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| 202 | * @return an integer number |
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| 203 | */ |
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[824] | 204 | int npol(int scanno=-1) const; |
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[794] | 205 | |
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[845] | 206 | /** |
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| 207 | * Get the number of channels in the data or a specific IF. This currently |
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| 208 | * varies only with IF number |
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| 209 | * @param ifno the IF number to get the number of channels for. |
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| 210 | * If ifno<0 the number is retrieved from the header. |
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| 211 | * @return an integer number |
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| 212 | */ |
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| 213 | int nchan(int ifno=-1) const; |
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| 214 | |
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| 215 | /** |
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| 216 | * Get the number of integartion cycles |
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| 217 | * @param scanno the scan number to get the number of rows for. |
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| 218 | * If scanno<0 the number is retrieved from the header. |
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| 219 | * @return |
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| 220 | */ |
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[824] | 221 | int nrow(int scanno=-1) const; |
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[794] | 222 | |
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[845] | 223 | int ncycle(int scanno=-1) const; |
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[50] | 224 | |
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[847] | 225 | int getBeam(int whichrow) const; |
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| 226 | int getIF(int whichrow) const; |
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| 227 | int getPol(int whichrow) const; |
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[206] | 228 | |
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[847] | 229 | double getInterval(int whichrow) const |
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| 230 | { return integrCol_(whichrow); } |
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[845] | 231 | |
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[847] | 232 | float getTsys(int whichrow) const; |
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| 233 | float getElevation(int whichrow) const |
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| 234 | { return elCol_(whichrow); } |
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| 235 | float getAzimuth(int whichrow) const |
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| 236 | { return azCol_(whichrow); } |
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| 237 | float getParangle(int whichrow) const |
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| 238 | { return paraCol_(whichrow); } |
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[386] | 239 | |
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[847] | 240 | std::vector<bool> getMask(int whichrow) const; |
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| 241 | std::vector<float> getSpectrum(int whichrow) const; |
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| 242 | |
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[824] | 243 | std::vector<float> getStokesSpectrum( int whichrow=0, |
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| 244 | bool dopol=false) const; |
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| 245 | std::string getPolarizationLabel(bool linear, bool stokes, |
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| 246 | bool linpol, |
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| 247 | int polidx=-1) const; |
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[401] | 248 | |
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[845] | 249 | /** |
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| 250 | * Write the Scantable to disk |
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| 251 | * @param filename the output file name |
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| 252 | */ |
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[824] | 253 | void makePersistent(const std::string& filename); |
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[745] | 254 | |
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[483] | 255 | std::vector<std::string> getHistory() const; |
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| 256 | void addHistory(const std::string& hist); |
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| 257 | |
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[488] | 258 | casa::Table getHistoryTable() const; |
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| 259 | void appendToHistoryTable(const casa::Table& otherHist); |
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| 260 | |
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[824] | 261 | std::string summary(bool verbose=false); |
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| 262 | std::string getTime(int whichrow=-1, bool showdate=true) const; |
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[19] | 263 | |
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[847] | 264 | // returns unit, conversion frame, doppler, base-frame |
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[18] | 265 | |
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[847] | 266 | /** |
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| 267 | * Get the frequency set up |
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| 268 | * This is forwarded to the STFrequencies subtable |
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| 269 | * @return unit, frame, doppler |
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| 270 | */ |
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| 271 | std::vector<std::string> getCoordInfo() const |
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| 272 | { return freqTable_.getInfo(); }; |
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| 273 | |
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| 274 | void setCoordInfo(std::vector<string> theinfo) |
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| 275 | { return freqTable_.setInfo(theinfo); }; |
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| 276 | |
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| 277 | std::string getAbcissaLabel(int whichrow) const; |
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| 278 | std::vector<double> getRestFrequencies() const |
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| 279 | { return moleculeTable_.getRestFrequencies(); } |
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| 280 | |
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| 281 | void setRestFrequencies(double rf, const std::string& = "Hz"); |
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| 282 | void setRestFrequencies(const std::string& name); |
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| 283 | |
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[824] | 284 | STFrequencies& frequencies() { return freqTable_; } |
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| 285 | STWeather& weather() { return weatherTable_; } |
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| 286 | STFocus& focus() { return focusTable_; } |
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| 287 | STTcal& tcal() { return tcalTable_; } |
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| 288 | STMolecules& molecules() { return moleculeTable_; } |
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[2] | 289 | |
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[824] | 290 | private: |
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| 291 | /** |
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| 292 | * Turns a time vale into a formatted string |
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| 293 | * @param x |
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| 294 | * @return |
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| 295 | */ |
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| 296 | std::string formatSec(casa::Double x) const; |
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[18] | 297 | |
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[824] | 298 | std::string formatTime(const casa::MEpoch& me, bool showdate)const; |
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[22] | 299 | |
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[824] | 300 | /** |
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| 301 | * Turns a casa::MDirection into a nicely formatted string |
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| 302 | * @param md an casa::MDirection |
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| 303 | * @return |
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| 304 | */ |
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| 305 | std::string formatDirection(const casa::MDirection& md) const; |
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[19] | 306 | |
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[286] | 307 | |
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[824] | 308 | /** |
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| 309 | * Create a unique file name for the paged (temporary) table |
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| 310 | * @return just the name |
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| 311 | */ |
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| 312 | static casa::String generateName(); |
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[286] | 313 | |
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[824] | 314 | /** |
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| 315 | * attach to cached columns |
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| 316 | */ |
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| 317 | void attach(); |
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[50] | 318 | |
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[824] | 319 | /** |
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| 320 | * Set up the main casa::Table |
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| 321 | */ |
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| 322 | void setupMainTable(); |
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[88] | 323 | |
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[824] | 324 | void setupHistoryTable(); |
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| 325 | void setupMoleculeTable(); |
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| 326 | void setupFitTable(); |
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[212] | 327 | |
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[859] | 328 | void attachSubtables(); |
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[824] | 329 | /** |
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| 330 | * Convert an "old" asap1 style row index into a new index |
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| 331 | * @param[in] therow |
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| 332 | * @return and index into @table_ |
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| 333 | */ |
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| 334 | int rowToScanIndex(int therow); |
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[212] | 335 | |
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[824] | 336 | static const unsigned int version_ = 2; |
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[286] | 337 | |
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[824] | 338 | STSelector selector_; |
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[236] | 339 | |
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[824] | 340 | casa::Table::TableType type_; |
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[465] | 341 | |
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[824] | 342 | // the actual data |
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| 343 | casa::Table table_; |
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| 344 | casa::Table originalTable_; |
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[745] | 345 | |
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[824] | 346 | STTcal tcalTable_; |
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| 347 | STFrequencies freqTable_; |
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| 348 | STWeather weatherTable_; |
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| 349 | STFocus focusTable_; |
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| 350 | STMolecules moleculeTable_; |
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| 351 | casa::Table fitTable_; |
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| 352 | casa::Table historyTable_; |
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[777] | 353 | |
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[824] | 354 | // Cached Columns to avoid reconstructing them for each row get/put |
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[847] | 355 | casa::ScalarColumn<casa::Double> integrCol_; |
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[824] | 356 | casa::MDirection::ScalarColumn dirCol_; |
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[847] | 357 | casa::MEpoch::ScalarColumn timeCol_; |
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[824] | 358 | casa::ScalarColumn<casa::Double> azCol_; |
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| 359 | casa::ScalarColumn<casa::Double> elCol_; |
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| 360 | casa::ScalarColumn<casa::Float> paraCol_; |
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| 361 | casa::ScalarColumn<casa::String> srcnCol_, fldnCol_; |
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[847] | 362 | casa::ScalarColumn<casa::uInt> scanCol_, beamCol_, ifCol_, polCol_, cycleCol_; |
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[824] | 363 | casa::ScalarColumn<casa::Int> rbeamCol_; |
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| 364 | casa::ArrayColumn<casa::Float> specCol_, tsCol_; |
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| 365 | casa::ArrayColumn<casa::uChar> flagsCol_; |
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[430] | 366 | |
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[824] | 367 | // id in frequencies table |
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| 368 | casa::ScalarColumn<casa::uInt> mfreqidCol_; |
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| 369 | // id in tcal table |
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| 370 | casa::ScalarColumn<casa::uInt> mtcalidCol_; |
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[430] | 371 | |
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[824] | 372 | casa::ArrayColumn<casa::String> histitemCol_; |
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| 373 | casa::ScalarColumn<casa::uInt> mfitidCol_, fitidCol_; |
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| 374 | // id in weather table and main table |
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| 375 | casa::ScalarColumn<casa::uInt> mweatheridCol_; |
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[322] | 376 | |
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[824] | 377 | casa::ScalarColumn<casa::uInt> mfocusidCol_; |
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| 378 | |
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| 379 | casa::ScalarColumn<casa::uInt> mmolidCol_; |
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| 380 | |
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[2] | 381 | }; |
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| 382 | |
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[824] | 383 | |
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| 384 | } // namespace |
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| 385 | |
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[2] | 386 | #endif |
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