| 1 | //#---------------------------------------------------------------------------
|
|---|
| 2 | //# SDAttr.h: Return known attributes about telescopes
|
|---|
| 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 | //#
|
|---|
| 29 | //# $Id:
|
|---|
| 30 | //#---------------------------------------------------------------------------
|
|---|
| 31 | #ifndef SDATTR_H
|
|---|
| 32 | #define SDATTR_H
|
|---|
| 33 |
|
|---|
| 34 | #include "SDDefs.h"
|
|---|
| 35 | #include <casa/aips.h>
|
|---|
| 36 | #include <measures/Measures/MEpoch.h>
|
|---|
| 37 |
|
|---|
| 38 | template<class T> class casa::Vector;
|
|---|
| 39 | //class casa::MEpoch;
|
|---|
| 40 |
|
|---|
| 41 |
|
|---|
| 42 |
|
|---|
| 43 | namespace asap {
|
|---|
| 44 |
|
|---|
| 45 | class SDAttr {
|
|---|
| 46 |
|
|---|
| 47 | public:
|
|---|
| 48 |
|
|---|
| 49 | // Constructor
|
|---|
| 50 | SDAttr();
|
|---|
| 51 |
|
|---|
| 52 | // Destructor
|
|---|
| 53 | ~SDAttr();
|
|---|
| 54 |
|
|---|
| 55 | // Copy Constructor (copy semantics)
|
|---|
| 56 | SDAttr (const SDAttr& other);
|
|---|
| 57 |
|
|---|
| 58 | // Assignment (copy semantics)
|
|---|
| 59 | SDAttr &operator=(const SDAttr& other);
|
|---|
| 60 |
|
|---|
| 61 | // Telescope diameter (m). Throws exception if unknown.
|
|---|
| 62 | casa::Float diameter (Instrument inst) const;
|
|---|
| 63 |
|
|---|
| 64 | // Beam efficiency. Frequency in Hz. Returns 1 if unknown.
|
|---|
| 65 | casa::Vector<casa::Float> beamEfficiency (Instrument instr, const casa::MEpoch& dateObs,
|
|---|
| 66 | const casa::Vector<casa::Float>& freqs) const;
|
|---|
| 67 |
|
|---|
| 68 | // Aperture efficiency. Frequency in Hz. Returns 1 if unknown.
|
|---|
| 69 | casa::Vector<casa::Float> apertureEfficiency (Instrument instr, const casa::MEpoch& dateObs,
|
|---|
| 70 | const casa::Vector<casa::Float>& freqs) const;
|
|---|
| 71 |
|
|---|
| 72 | // Find factor to convert Jy -> K for this telescope, date of observation and frequency (Hz)
|
|---|
| 73 | casa::Vector<casa::Float> JyPerK (Instrument instr, const casa::MEpoch& dateObs,
|
|---|
| 74 | const casa::Vector<casa::Float>& freqs) const;
|
|---|
| 75 |
|
|---|
| 76 | // Gain Elevation polynomial correction coefficients (elevation in degrees)
|
|---|
| 77 | // Returns length 0 if not known.
|
|---|
| 78 | casa::Vector<casa::Float> gainElevationPoly (Instrument instr) const;
|
|---|
| 79 |
|
|---|
| 80 |
|
|---|
| 81 | // Helper function to check instrument (antenna) name and give enum
|
|---|
| 82 | static Instrument convertInstrument(const casa::String& instrument,
|
|---|
| 83 | casa::Bool throwIt);
|
|---|
| 84 |
|
|---|
| 85 | // Helper function. Finds factor to convert K -> Jy. Provide aperture efficiency and dish geometric diameter (m)
|
|---|
| 86 | static casa::Float findJyPerK (casa::Float etaAp, casa::Float D);
|
|---|
| 87 |
|
|---|
| 88 | private:
|
|---|
| 89 |
|
|---|
| 90 | // Static data
|
|---|
| 91 |
|
|---|
| 92 | casa::Vector<casa::Float> MopEtaBeamX_; // Beam efficiency
|
|---|
| 93 | casa::Vector<casa::Float> MopEtaBeam2003Y_;
|
|---|
| 94 | casa::Vector<casa::Float> MopEtaBeam2004Y_;
|
|---|
| 95 | //
|
|---|
| 96 | casa::Vector<casa::Float> MopEtaApX_; // Aperture efficiency
|
|---|
| 97 | casa::Vector<casa::Float> MopEtaAp2004Y_;
|
|---|
| 98 | //
|
|---|
| 99 | casa::Vector<casa::Float> TidEtaApX_; // Aperture efficiency
|
|---|
| 100 | casa::Vector<casa::Float> TidEtaApY_;
|
|---|
| 101 | //
|
|---|
| 102 | casa::Vector<casa::Float> TidGainElPoly_; // Gain-el correction poly coeffs
|
|---|
| 103 |
|
|---|
| 104 | // Init private data
|
|---|
| 105 | void initData();
|
|---|
| 106 |
|
|---|
| 107 | // Linear interpolation
|
|---|
| 108 | casa::Vector<casa::Float> interp (const casa::Vector<casa::Float>& xOut, const casa::Vector<casa::Float>& xIn,
|
|---|
| 109 | const casa::Vector<casa::Float>& yIn) const;
|
|---|
| 110 | };
|
|---|
| 111 |
|
|---|
| 112 | } // namespace
|
|---|
| 113 |
|
|---|
| 114 | #endif
|
|---|
