[904] | 1 | //
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| 2 | // C++ Interface: STPol
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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 <Malte.Marquarding@csiro.au>, (C) 2006
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| 8 | //
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| 9 | // Copyright: See COPYING file that comes with this distribution
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| 10 | //
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| 11 | //
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| 12 | #ifndef ASAPSTPOL_H
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| 13 | #define ASAPSTPOL_H
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| 14 |
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| 15 | #include <map>
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| 16 | #include <utility>
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| 17 |
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| 18 | #include <casa/aips.h>
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| 19 | #include <casa/Exceptions/Error.h>
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| 20 | #include <casa/Arrays/Matrix.h>
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| 21 | #include <casa/Arrays/Vector.h>
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| 22 | #include "Factory.h"
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| 23 |
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| 24 | namespace asap {
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| 25 |
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| 26 | /**
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| 27 | Convert betweeen the possible polarisations (linear, circular, stokes, stokes2)
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| 28 |
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| 29 | @author Malte Marquarding
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| 30 | @date $Date:$
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| 31 |
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| 32 | */
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| 33 | class STPol {
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| 34 | public:
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| 35 |
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| 36 | typedef void (STPol::*polOperation)( casa::Float phase );
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| 37 | STPol() {}
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| 38 | virtual ~STPol() {}
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| 39 |
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| 40 | typedef FactoryBase<STPol> STPolFactory;
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| 41 |
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| 42 | static STPol* getPolClass( std::map<std::string,STPol::STPolFactory *> factories,
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| 43 | const std::string& type )
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| 44 | { return factories[type]->create(); }
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| 45 |
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| 46 | casa::Vector<casa::Float> getSpectrum( casa::uInt index, const std::string& mode )
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| 47 | {
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| 48 | if (mode == "linear")
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| 49 | return getLinear(index);
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| 50 | else if ( mode == "stokes" )
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| 51 | return getStokes(index);
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| 52 | else if ( mode == "linpol" )
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| 53 | return getLinPol(index);
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| 54 | else if ( mode == "cicular" )
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| 55 | return getLinPol(index);
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| 56 | else
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| 57 | throw(casa::AipsError("Polarisation type unknown"));
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| 58 | }
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| 59 |
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| 60 | virtual casa::Vector<casa::Float> getCircular( casa::uInt index ) = 0;
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| 61 |
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| 62 | virtual casa::Vector<casa::Float> getStokes( casa::uInt index ) = 0;
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| 63 |
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| 64 | virtual casa::Vector<casa::Float> getLinPol( casa::uInt index ) = 0;
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| 65 |
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| 66 | virtual casa::Vector<casa::Float> getLinear( casa::uInt index ) = 0;
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| 67 |
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| 68 | virtual void rotatePhase( casa::Float phase ) {}
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| 69 | virtual void rotateLinPolPhase( casa::Float phase ) {}
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| 70 |
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| 71 | virtual void invertPhase( casa::Float phase ) {}
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| 72 |
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| 73 | casa::uInt nspec() const { return basespectra_.ncolumn(); }
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| 74 |
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| 75 | const casa::Vector<casa::Float> getSpectrum(casa::uInt index) const
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| 76 | { return basespectra_.column(index); }
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| 77 |
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| 78 | casa::Matrix<casa::Float>& getSpectra()
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| 79 | { return basespectra_; }
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| 80 |
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| 81 | void setSpectra(const casa::Matrix<casa::Float>& spec)
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| 82 | { basespectra_.resize(); basespectra_ = spec; }
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| 83 |
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| 84 | void setPhaseCorrections(casa::Float, casa::Float, casa::Float) {}
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| 85 |
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| 86 | static std::pair<int, std::string> polFromString(const std::string& key);
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| 87 | static std::string getPolLabel(int index, const std::string& type = "linear");
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| 88 |
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| 89 | private:
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| 90 | static void initPolMap();
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| 91 | static void initLabelMap();
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| 92 | static std::map<std::string, std::pair<int, std::string> > polmap_;
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| 93 | static std::map<std::string, std::map<int, std::string> > labelmap_;
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| 94 |
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| 95 | casa::Vector<casa::Float> phaseCorrections_;
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| 96 | std::string mode_;
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| 97 | casa::Matrix<casa::Float> basespectra_;
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| 98 |
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| 99 | };
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| 100 |
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| 101 | }
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| 102 |
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| 103 | #endif
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