[2980] | 1 | //# SpectralElement.cc: Describes (a set of related) spectral lines |
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| 2 | //# Copyright (C) 2001,2004 |
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| 3 | //# Associated Universities, Inc. Washington DC, USA. |
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| 4 | //# |
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| 5 | //# This library is free software; you can redistribute it and/or modify it |
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| 6 | //# under the terms of the GNU Library General Public License as published by |
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| 7 | //# the Free Software Foundation; either version 2 of the License, or (at your |
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| 8 | //# option) any later version. |
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| 9 | //# |
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| 10 | //# This library is distributed in the hope that it will be useful, but WITHOUT |
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| 11 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 12 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
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| 13 | //# License for more details. |
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| 14 | //# |
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| 15 | //# You should have received a copy of the GNU Library General Public License |
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| 16 | //# along with this library; if not, write to the Free Software Foundation, |
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| 17 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA. |
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| 18 | //# |
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| 19 | //# Correspondence concerning AIPS++ should be addressed as follows: |
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| 20 | //# Internet email: aips2-request@nrao.edu. |
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| 21 | //# Postal address: AIPS++ Project Office |
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| 22 | //# National Radio Astronomy Observatory |
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| 23 | //# 520 Edgemont Road |
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| 24 | //# Charlottesville, VA 22903-2475 USA |
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| 25 | //# |
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| 26 | //# $Id: LorentzianSpectralElement.cc 21451 2014-06-10 07:48:08Z gervandiepen $ |
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| 27 | |
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| 28 | //# Includes |
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| 29 | #include <components/SpectralComponents/LorentzianSpectralElement.h> |
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| 30 | |
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| 31 | #include <casa/BasicSL/Constants.h> |
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| 32 | |
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| 33 | #include <scimath/Functionals/Lorentzian1D.h> |
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| 34 | |
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| 35 | #include <casa/iostream.h> |
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| 36 | |
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| 37 | namespace casa { //# NAMESPACE CASA - BEGIN |
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| 38 | |
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| 39 | LorentzianSpectralElement::LorentzianSpectralElement() |
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| 40 | : PCFSpectralElement(SpectralElement::LORENTZIAN, Vector<Double>(3)) { |
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| 41 | _setFunction( |
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| 42 | std::tr1::shared_ptr<Lorentzian1D<Double> >( |
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| 43 | new Lorentzian1D<Double>(1) |
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| 44 | ) |
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| 45 | ); |
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| 46 | setAmpl(1); |
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| 47 | setCenter(0); |
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| 48 | setFWHM(1); |
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| 49 | } |
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| 50 | |
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| 51 | LorentzianSpectralElement::LorentzianSpectralElement( |
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| 52 | const Double ampl, |
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| 53 | const Double center, const Double fwhm |
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| 54 | ) : PCFSpectralElement(SpectralElement::LORENTZIAN, ampl, center, fwhm) { |
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| 55 | if (fwhm == 0) { |
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| 56 | throw AipsError("Lorentzian fwhm cannot equal 0"); |
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| 57 | } |
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| 58 | _setFunction( |
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| 59 | std::tr1::shared_ptr<Lorentzian1D<Double> >( |
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| 60 | new Lorentzian1D<Double>(ampl, center, fwhm) |
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| 61 | ) |
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| 62 | ); |
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| 63 | } |
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| 64 | |
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| 65 | LorentzianSpectralElement::LorentzianSpectralElement( |
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| 66 | const Vector<Double>& param |
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| 67 | ) : PCFSpectralElement(SpectralElement::LORENTZIAN, param) { |
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| 68 | if (param[2] == 0) { |
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| 69 | throw AipsError("Lorentzian fwhm cannot equal 0"); |
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| 70 | } |
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| 71 | _setFunction( |
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| 72 | std::tr1::shared_ptr<Lorentzian1D<Double> >( |
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| 73 | new Lorentzian1D<Double>(param[AMP], param[CENTER], param[WIDTH]) |
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| 74 | ) |
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| 75 | ); |
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| 76 | } |
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| 77 | |
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| 78 | LorentzianSpectralElement::LorentzianSpectralElement( |
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| 79 | const LorentzianSpectralElement &other |
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| 80 | ) : PCFSpectralElement(other) {} |
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| 81 | |
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| 82 | LorentzianSpectralElement::~LorentzianSpectralElement() {} |
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| 83 | |
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| 84 | SpectralElement* LorentzianSpectralElement::clone() const { |
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| 85 | return new LorentzianSpectralElement(*this); |
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| 86 | } |
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| 87 | |
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| 88 | LorentzianSpectralElement& LorentzianSpectralElement::operator=( |
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| 89 | const LorentzianSpectralElement& other |
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| 90 | ) { |
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| 91 | if (this != &other) { |
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| 92 | SpectralElement::operator=(other); |
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| 93 | } |
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| 94 | return *this; |
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| 95 | } |
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| 96 | |
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| 97 | Double LorentzianSpectralElement::getIntegral() const { |
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| 98 | return getAmpl()*getFWHM()*C::pi_2; |
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| 99 | } |
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| 100 | |
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| 101 | ostream &operator<<(ostream &os, const LorentzianSpectralElement &elem) { |
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| 102 | os << SpectralElement::fromType((elem.getType())) << " element: " << endl; |
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| 103 | os << " Amplitude: " << elem.getAmpl() << ", " << elem.getAmplErr(); |
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| 104 | if (elem.fixedAmpl()) os << " (fixed)"; |
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| 105 | os << endl << " Center: " << elem.getCenter() << ", " << elem.getCenterErr(); |
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| 106 | if (elem.fixedCenter()) os << " (fixed)"; |
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| 107 | os << endl << " FWHM: " << elem.getFWHM() << ", " << elem.getFWHMErr(); |
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| 108 | if (elem.fixedFWHM()) os << " (fixed)"; |
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| 109 | os << endl; |
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| 110 | return os; |
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| 111 | } |
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| 112 | |
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| 113 | } //# NAMESPACE CASA - END |
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| 114 | |
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