| Last change
 on this file since 1757 was             1189, checked in by mar637, 19 years ago | 
        
          | 
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.
 | 
        
          | 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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