[353] | 1 | //#--------------------------------------------------------------------------- |
---|
[878] | 2 | //# STAttr.h: Return known attributes about telescopes |
---|
[353] | 3 | //#--------------------------------------------------------------------------- |
---|
| 4 | //# Copyright (C) 2004 |
---|
| 5 | //# ATNF |
---|
| 6 | //# |
---|
| 7 | //# This program is free software; you can redistribute it and/or modify it |
---|
| 8 | //# under the terms of the GNU General Public License as published by the Free |
---|
| 9 | //# Software Foundation; either version 2 of the License, or (at your option) |
---|
| 10 | //# any later version. |
---|
| 11 | //# |
---|
| 12 | //# This program is distributed in the hope that it will be useful, but |
---|
| 13 | //# WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 14 | //# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
---|
| 15 | //# Public License for more details. |
---|
| 16 | //# |
---|
| 17 | //# You should have received a copy of the GNU General Public License along |
---|
| 18 | //# with this program; if not, write to the Free Software Foundation, Inc., |
---|
| 19 | //# 675 Massachusetts Ave, Cambridge, MA 02139, USA. |
---|
| 20 | //# |
---|
| 21 | //# Correspondence concerning this software should be addressed as follows: |
---|
| 22 | //# Internet email: Malte.Marquarding@csiro.au |
---|
| 23 | //# Postal address: Malte Marquarding, |
---|
| 24 | //# Australia Telescope National Facility, |
---|
| 25 | //# P.O. Box 76, |
---|
| 26 | //# Epping, NSW, 2121, |
---|
| 27 | //# AUSTRALIA |
---|
| 28 | //# |
---|
[890] | 29 | //# $Id: STAttr.h 2662 2012-10-10 03:53:53Z MalteMarquarding $ |
---|
[353] | 30 | //#--------------------------------------------------------------------------- |
---|
[885] | 31 | #ifndef STATTR_H |
---|
| 32 | #define STATTR_H |
---|
[353] | 33 | |
---|
[1188] | 34 | #include <string> |
---|
| 35 | |
---|
[353] | 36 | #include <casa/aips.h> |
---|
| 37 | #include <measures/Measures/MEpoch.h> |
---|
[717] | 38 | #include <casa/Utilities/CountedPtr.h> |
---|
[353] | 39 | |
---|
[833] | 40 | #include "STDefs.h" |
---|
[717] | 41 | |
---|
[1030] | 42 | namespace casa { |
---|
| 43 | template<class T> class Vector; |
---|
| 44 | } |
---|
[353] | 45 | |
---|
| 46 | namespace asap { |
---|
| 47 | |
---|
[2662] | 48 | class STAttr { |
---|
[353] | 49 | |
---|
| 50 | public: |
---|
| 51 | |
---|
[717] | 52 | // Constructor |
---|
[878] | 53 | STAttr(); |
---|
[890] | 54 | |
---|
[717] | 55 | // Destructor |
---|
[996] | 56 | virtual ~STAttr(); |
---|
[890] | 57 | |
---|
[717] | 58 | // Copy Constructor (copy semantics) |
---|
[878] | 59 | STAttr(const STAttr& other); |
---|
[890] | 60 | |
---|
[717] | 61 | // Assignment (copy semantics) |
---|
[878] | 62 | STAttr &operator=(const STAttr& other); |
---|
[890] | 63 | |
---|
[717] | 64 | // Telescope diameter(m). Throws exception if unknown. |
---|
| 65 | casa::Float diameter(Instrument inst) const; |
---|
[890] | 66 | |
---|
[717] | 67 | // Beam efficiency. Frequency in Hz. Returns 1 if unknown. |
---|
[890] | 68 | casa::Vector<casa::Float> |
---|
| 69 | beamEfficiency(Instrument instr, const casa::MEpoch& dateObs, |
---|
[996] | 70 | const casa::Vector<casa::Float>& freqs) const; |
---|
[890] | 71 | |
---|
[717] | 72 | // Aperture efficiency. Frequency in Hz. Returns 1 if unknown. |
---|
[890] | 73 | casa::Vector<casa::Float> |
---|
| 74 | apertureEfficiency(Instrument instr, |
---|
[996] | 75 | const casa::MEpoch& dateObs, |
---|
| 76 | const casa::Vector<casa::Float>& freqs) const; |
---|
[890] | 77 | |
---|
[717] | 78 | // Find factor to convert Jy -> K for this telescope, date of |
---|
| 79 | // observation and frequency (Hz) |
---|
[890] | 80 | casa::Vector<casa::Float> JyPerK(Instrument instr, |
---|
[996] | 81 | const casa::MEpoch& dateObs, |
---|
| 82 | const casa::Vector<casa::Float>& freqs) |
---|
[717] | 83 | const; |
---|
[353] | 84 | |
---|
[717] | 85 | // Gain Elevation polynomial correction coefficients (elevation in |
---|
| 86 | // degrees) Returns length 0 if not known. |
---|
| 87 | casa::Vector<casa::Float> gainElevationPoly(Instrument instr) const; |
---|
[353] | 88 | |
---|
[717] | 89 | // Find feed polarization type of feeds. In future this needs to come |
---|
| 90 | // from the data themselves |
---|
[1188] | 91 | std::string feedPolType(Instrument) const; |
---|
[890] | 92 | |
---|
[717] | 93 | // Helper function to check instrument (antenna) name and give enum |
---|
[890] | 94 | static Instrument convertInstrument(const casa::String& instrument, |
---|
[475] | 95 | casa::Bool throwIt); |
---|
[890] | 96 | |
---|
[717] | 97 | // Helper function. Finds factor to convert K -> Jy. Provide |
---|
| 98 | // aperture efficiency and dish geometric diameter (m) |
---|
| 99 | static casa::Float findJyPerK(casa::Float etaAp, casa::Float D); |
---|
[890] | 100 | |
---|
[717] | 101 | private: |
---|
[890] | 102 | |
---|
| 103 | // Static data |
---|
[717] | 104 | casa::Vector<casa::Float> MopEtaBeamX_; // Beam efficiency |
---|
| 105 | casa::Vector<casa::Float> MopEtaBeam2003Y_; |
---|
| 106 | casa::Vector<casa::Float> MopEtaBeam2004Y_; |
---|
[475] | 107 | |
---|
[717] | 108 | casa::Vector<casa::Float> MopEtaApX_; // Aperture efficiency |
---|
| 109 | casa::Vector<casa::Float> MopEtaAp2004Y_; |
---|
[475] | 110 | |
---|
[717] | 111 | casa::Vector<casa::Float> TidEtaApX_; // Aperture efficiency |
---|
| 112 | casa::Vector<casa::Float> TidEtaApY_; |
---|
[507] | 113 | |
---|
[717] | 114 | casa::Vector<casa::Float> TidGainElPoly_; // Gain-el correction poly coeffs |
---|
[1346] | 115 | casa::Vector<casa::Float> ParkesGainElPoly_;// K-band Gain-el correction |
---|
| 116 | //poly coeffs |
---|
[890] | 117 | |
---|
[717] | 118 | // Init private data |
---|
| 119 | void initData(); |
---|
[353] | 120 | |
---|
[717] | 121 | // Linear interpolation |
---|
[890] | 122 | casa::Vector<casa::Float> interp(const casa::Vector<casa::Float>& xOut, |
---|
[996] | 123 | const casa::Vector<casa::Float>& xIn, |
---|
| 124 | const casa::Vector<casa::Float>& yIn) const; |
---|
[353] | 125 | |
---|
| 126 | |
---|
| 127 | }; |
---|
| 128 | |
---|
| 129 | } // namespace |
---|
| 130 | |
---|
| 131 | #endif |
---|