[904] | 1 | // |
---|
| 2 | // C++ Interface: STPol |
---|
| 3 | // |
---|
| 4 | // Description: |
---|
| 5 | // |
---|
| 6 | // |
---|
| 7 | // Author: Malte Marquarding <Malte.Marquarding@csiro.au>, (C) 2006 |
---|
| 8 | // |
---|
| 9 | // Copyright: See COPYING file that comes with this distribution |
---|
| 10 | // |
---|
| 11 | // |
---|
| 12 | #ifndef ASAPSTPOL_H |
---|
| 13 | #define ASAPSTPOL_H |
---|
| 14 | |
---|
| 15 | #include <map> |
---|
| 16 | #include <utility> |
---|
| 17 | |
---|
| 18 | #include <casa/aips.h> |
---|
| 19 | #include <casa/Exceptions/Error.h> |
---|
| 20 | #include <casa/Arrays/Matrix.h> |
---|
| 21 | #include <casa/Arrays/Vector.h> |
---|
| 22 | #include "Factory.h" |
---|
| 23 | |
---|
| 24 | namespace asap { |
---|
| 25 | |
---|
| 26 | /** |
---|
| 27 | Convert betweeen the possible polarisations (linear, circular, stokes, stokes2) |
---|
| 28 | |
---|
[3106] | 29 | @author Malte Marquarding @date $Date:$ |
---|
[904] | 30 | |
---|
| 31 | */ |
---|
| 32 | class STPol { |
---|
| 33 | public: |
---|
| 34 | |
---|
[3106] | 35 | typedef void (STPol::*polOperation)( casacore::Float phase ); |
---|
[1586] | 36 | STPol(): totalangle_(0.0),feedhand_(1.0) {} |
---|
[904] | 37 | virtual ~STPol() {} |
---|
| 38 | |
---|
| 39 | typedef FactoryBase<STPol> STPolFactory; |
---|
| 40 | |
---|
| 41 | static STPol* getPolClass( std::map<std::string,STPol::STPolFactory *> factories, |
---|
| 42 | const std::string& type ) |
---|
| 43 | { return factories[type]->create(); } |
---|
| 44 | |
---|
[3106] | 45 | casacore::Vector<casacore::Float> getSpectrum( casacore::uInt index, const std::string& mode ) |
---|
[904] | 46 | { |
---|
| 47 | if (mode == "linear") |
---|
| 48 | return getLinear(index); |
---|
| 49 | else if ( mode == "stokes" ) |
---|
| 50 | return getStokes(index); |
---|
| 51 | else if ( mode == "linpol" ) |
---|
| 52 | return getLinPol(index); |
---|
[957] | 53 | else if ( mode == "circular" ) |
---|
| 54 | return getCircular(index); |
---|
[904] | 55 | else |
---|
[3106] | 56 | throw(casacore::AipsError("Polarisation type unknown")); |
---|
[904] | 57 | } |
---|
| 58 | |
---|
[3106] | 59 | virtual casacore::Vector<casacore::Float> getCircular( casacore::uInt index ) = 0; |
---|
[904] | 60 | |
---|
[3106] | 61 | virtual casacore::Vector<casacore::Float> getStokes( casacore::uInt index ) = 0; |
---|
[904] | 62 | |
---|
[3106] | 63 | virtual casacore::Vector<casacore::Float> getLinPol( casacore::uInt index ) = 0; |
---|
[904] | 64 | |
---|
[3106] | 65 | virtual casacore::Vector<casacore::Float> getLinear( casacore::uInt index ) = 0; |
---|
[904] | 66 | |
---|
[3106] | 67 | virtual void rotatePhase( casacore::Float ) {} |
---|
| 68 | virtual void rotateLinPolPhase( casacore::Float) {} |
---|
[904] | 69 | |
---|
[3106] | 70 | virtual void invertPhase( casacore::Float ) {} |
---|
[904] | 71 | |
---|
[3106] | 72 | casacore::uInt nspec() const { return basespectra_.ncolumn(); } |
---|
[904] | 73 | |
---|
[3106] | 74 | const casacore::Vector<casacore::Float> getSpectrum(casacore::uInt index) const |
---|
[904] | 75 | { return basespectra_.column(index); } |
---|
| 76 | |
---|
[3106] | 77 | casacore::Matrix<casacore::Float>& getSpectra() |
---|
[904] | 78 | { return basespectra_; } |
---|
| 79 | |
---|
[3106] | 80 | void setSpectra(const casacore::Matrix<casacore::Float>& spec) |
---|
[904] | 81 | { basespectra_.resize(); basespectra_ = spec; } |
---|
| 82 | |
---|
| 83 | |
---|
[3106] | 84 | void setPhaseCorrections(casacore::Float totalang=0.0, casacore::Float feedhand=1.0) |
---|
[1586] | 85 | { totalangle_=totalang;feedhand_=feedhand;} |
---|
[957] | 86 | |
---|
[3106] | 87 | casacore::Float getTotalPhase() const { return totalangle_; } |
---|
| 88 | casacore::Float getFeedHand() const { return feedhand_; } |
---|
[957] | 89 | |
---|
[904] | 90 | static std::pair<int, std::string> polFromString(const std::string& key); |
---|
| 91 | static std::string getPolLabel(int index, const std::string& type = "linear"); |
---|
| 92 | |
---|
| 93 | private: |
---|
| 94 | static void initPolMap(); |
---|
| 95 | static void initLabelMap(); |
---|
| 96 | static std::map<std::string, std::pair<int, std::string> > polmap_; |
---|
| 97 | static std::map<std::string, std::map<int, std::string> > labelmap_; |
---|
| 98 | |
---|
[3106] | 99 | casacore::Float totalangle_,feedhand_; |
---|
[904] | 100 | std::string mode_; |
---|
[3106] | 101 | casacore::Matrix<casacore::Float> basespectra_; |
---|
[904] | 102 | |
---|
| 103 | }; |
---|
| 104 | |
---|
| 105 | } |
---|
| 106 | |
---|
| 107 | #endif |
---|