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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