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//# tMSDerivedValues: Tests the MSDerivedValues class
//# Copyright (C) 1997,1998,1999,2000,2001
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This program is free software; you can redistribute it and/or modify it
//# under the terms of the GNU General Public License as published by the Free
//# Software Foundation; either version 2 of the License, or (at your option)
//# any later version.
//#
//# This program is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
//# more details.
//#
//# You should have received a copy of the GNU General Public License along
//# with this program; if not, write to the Free Software Foundation, Inc.,
//# 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//# Internet email: casa-feedback@nrao.edu.
//# Postal address: AIPS++ Project Office
//# National Radio Astronomy Observatory
//# 520 Edgemont Road
//# Charlottesville, VA 22903-2475 USA
#include <casacore/ms/MSOper/MSDerivedValues.h>
#include <casacore/casa/iostream.h>
#include <casacore/casa/iomanip.h>
#include <casacore/casa/Exceptions/Error.h>
#include <casacore/casa/Quanta/MVAngle.h>
#include <casacore/casa/Quanta/MVTime.h>
#include <casacore/casa/IO/ArrayIO.h>
#include <casacore/casa/namespace.h>
int main()
{
try {
Quantity longitude; Quantity::read(longitude,"149.33.00.5");
cout << "longitude: "<<MVAngle(longitude)<<endl;
Quantity latitude; Quantity::read(latitude,"-30.18.46.385");
cout << "latitude : "<<MVAngle(latitude)<<endl;
Vector<MPosition> pos(1);
pos(0)=MPosition(Quantity(236.9,"m"),longitude,latitude,
MPosition::Ref(MPosition::WGS84));
MSDerivedValues msd;
msd.setAntennaPositions(pos);
Quantity time; MVTime::read(time,"today");
MEpoch today(time);
cout <<" Current time: "<<MVTime(today.getValue())<<endl;
msd.setEpoch(today);
MEpoch last = msd.last();
cout <<" Current last: "<< MVTime(last.getValue())<<endl;
Quantity ra; Quantity::read(ra,"12:00:00.0");
Quantity dec; Quantity::read(dec,"-30.00.00.0");
MDirection mySource(ra,dec);
cout <<" FieldCenter: "<< mySource.getAngle("deg") <<endl;
msd.setFieldCenter(mySource);
cout <<" Hour angle : "<< MVAngle(msd.hourAngle()) <<endl;
cout <<" Az & El : "<< msd.azel().getAngle("deg")<<endl;
Vector<String> mount(1); mount(0)="alt-az";
msd.setAntennaMount(mount);
cout << " Par. angle: "<< MVAngle(msd.parAngle()) << endl;
// test the obsVel conversion
cout << " observatory velocity in LSR frame: "<< msd.obsVel().get("km/s").
getValue() << "km/s"<<endl;
msd.setVelocityFrame(MRadialVelocity::BARY);
cout << " observatory velocity in BARY frame: "<< msd.obsVel().get("km/s").
getValue() << "km/s"<<endl;
msd.setVelocityFrame(MRadialVelocity::GEO);
cout << " observatory velocity in GEO frame: "<< msd.obsVel().get("km/s").
getValue() << "km/s"<<endl;
Quantity restFreq(1.42041,"GHz");
Quantity radioVel(2196.25,"km/s");
msd.setVelocityReference(MDoppler::RADIO);
msd.setFrequencyReference(MFrequency::TOPO);
cout << "radio velocity " << radioVel << " is frequency " <<
msd.toFrequency(radioVel, restFreq) << endl;
//====
/*
MSDerivedValues msd1;
MeasurementSet ms("/home/rohir/kgolap/Regression/ALMATST1/NGC5921/ngc5921.ms");
msd1.setMeasurementSet(ms);
msd1.setVelocityReference(MDoppler::RADIO);
msd1.setFrequencyReference(MFrequency::LSRK);
//locate restFrequency for field 0 and spwid 0
Bool hasRestFreq=msd1.setRestFrequency(0,0);
if(!hasRestFreq){
cout << "Ou la la .....has no restfrequency in this ms" << endl;
}
else{
cout << "radio velocity " << radioVel << " is frequency " <<
msd1.toFrequency(radioVel) << endl;
}
*/
} catch (std::exception& x) {
cout << "Caught exception " << endl;
cout << x.what() << endl;
return 1;
}
cout << "Done." << endl;
return 0;
}
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