Last change
on this file since 1983 was 1189, checked in by mar637, 18 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.
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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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