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Last change
on this file since 1892 was 1189, checked in by mar637, 18 years ago |
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Fix for ticket #61 - changing of default polarisation. Done ticket #62 as far as possible. Tid data gets automatically set as 'circular'\nAlso add circular pol class which was missing so far.
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File size:
1.2 KB
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| 1 | //
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| 2 | // C++ Interface: STPolLinear
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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 ASAPSTPOLCircular_H
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| 13 | #define ASAPSTPOLCircular_H
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| 14 |
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| 15 | #include "Factory.h"
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| 16 | #include "STPol.h"
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| 17 |
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| 18 | namespace asap {
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| 19 |
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| 20 | /**
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| 21 | The Circular representation of polarisation.
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| 22 | NOTE U and V are probably wrong
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| 23 | We are using the following convention:
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| 24 | @li I = RR + LL
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| 25 | @li Q = RR - LL
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| 26 | @li U = 2*Real(RL)
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| 27 | @li V = 2*Imag(RL)
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| 28 |
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| 29 | resulting in:
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| 30 | @li I' = I
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| 31 | @li Q' = Q * cos(theta) - V *sin(theta)
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| 32 | @li U' = Q * sin(theta) + U * cos(theta)
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| 33 | @li V' = V
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| 34 | @author Malte Marquarding
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| 35 |
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| 36 | */
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| 37 | class STPolCircular : public STPol
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| 38 | {
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| 39 | public:
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| 40 | STPolCircular() {}
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| 41 |
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| 42 | STPolCircular(const casa::Matrix<casa::Float>& specs)
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| 43 | { setSpectra(specs); }
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| 44 |
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| 45 | ~STPolCircular();
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| 46 |
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| 47 | static Factory<STPol,STPolCircular> myFactory;
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| 48 |
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| 49 | virtual casa::Vector<casa::Float> getCircular( casa::uInt index );
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| 50 |
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| 51 | virtual casa::Vector<casa::Float> getStokes( casa::uInt index);
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| 52 |
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| 53 | virtual casa::Vector<casa::Float> getLinPol( casa::uInt index);
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| 54 |
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| 55 | virtual casa::Vector<casa::Float> getLinear( casa::uInt index );
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| 56 |
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| 57 | };
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| 58 |
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| 59 | }
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| 60 |
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| 61 | #endif
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