1 | //# tProfileFit1D.cc: test the ProfileFit1D class |
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2 | //# Copyright (C) 1995,1996,1998,1999,2000,2001,2002,2004 |
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3 | //# Associated Universities, Inc. Washington DC, USA. |
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4 | //# |
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5 | //# This program is free software; you can redistribute it and/or modify it |
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6 | //# under the terms of the GNU General Public License as published by the Free |
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7 | //# Software Foundation; either version 2 of the License, or (at your option) |
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8 | //# any later version. |
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9 | //# |
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10 | //# This program 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 General Public License for |
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13 | //# more details. |
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14 | //# |
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15 | //# You should have received a copy of the GNU General Public License along |
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16 | //# with this program; if not, write to the Free Software Foundation, Inc., |
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17 | //# 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 | |
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27 | #include <casa/aips.h> |
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28 | #include <casa/Arrays/ArrayMath.h> |
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29 | #include <casa/Containers/Record.h> |
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30 | #include <casa/Utilities/PtrHolder.h> |
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31 | #include <components/SpectralComponents/PolynomialSpectralElement.h> |
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32 | |
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33 | #include <components/SpectralComponents/GaussianSpectralElement.h> |
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34 | #include <components/SpectralComponents/GaussianMultipletSpectralElement.h> |
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35 | #include <components/SpectralComponents/SpectralElementFactory.h> |
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36 | |
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37 | #include <casa/Utilities/Assert.h> |
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38 | #include <casa/Arrays/ArrayIO.h> |
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39 | |
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40 | #include <casa/Arrays/Vector.h> |
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41 | |
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42 | #include <casa/iostream.h> |
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43 | |
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44 | #include <casa/namespace.h> |
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45 | |
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46 | #include <vector> |
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47 | |
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48 | int main() { |
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49 | |
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50 | { |
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51 | cout << "Test that exception is thrown if there is " |
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52 | << "a mismatch between number of Gaussians and " |
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53 | << "number of relationships between them" << endl; |
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54 | GaussianSpectralElement g1(4,4,4); |
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55 | GaussianSpectralElement g2(5,5,5); |
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56 | vector<GaussianSpectralElement> doublet(2); |
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57 | doublet[0] = g1; |
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58 | doublet[1] = g2; |
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59 | Matrix<Double> relations(2, 3, 0); |
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60 | relations(0,0) = 4; |
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61 | Bool result = True; |
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62 | try { |
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63 | GaussianMultipletSpectralElement(doublet, relations); |
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64 | result = False; |
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65 | } |
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66 | catch (AipsError) {} |
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67 | AlwaysAssert(result, AipsError); |
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68 | } |
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69 | { |
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70 | cout << "Test that exception is thrown if relations " |
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71 | << "does not have three columns" << endl; |
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72 | GaussianSpectralElement g1(4, 4, 4); |
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73 | GaussianSpectralElement g2(5, 5, 5); |
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74 | vector<GaussianSpectralElement> doublet(2); |
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75 | doublet[0] = g1; |
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76 | doublet[1] = g2; |
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77 | Matrix<Double> relations(1, 4, 0); |
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78 | relations(0,0) = 4; |
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79 | Bool result = True; |
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80 | try { |
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81 | GaussianMultipletSpectralElement(doublet, relations); |
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82 | result = False; |
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83 | } |
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84 | catch (AipsError) {} |
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85 | AlwaysAssert(result, AipsError); |
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86 | } |
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87 | { |
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88 | cout << "Test that exception is thrown if there is " |
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89 | << "an amplitude fixing incompatibility" << endl; |
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90 | GaussianSpectralElement g1(4, 4, 4); |
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91 | GaussianSpectralElement g2(5, 5, 5); |
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92 | g2.fixAmpl(); |
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93 | cout << "g1 " << g1 << endl; |
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94 | cout << "g2 " << g2 << endl; |
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95 | std::vector<GaussianSpectralElement> doublet(2); |
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96 | doublet[0] = g1; |
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97 | cout << "doub 0 " << doublet[0] << " " << &doublet[0] << endl; |
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98 | cout << "doub 1 " << doublet[1] << " " << &doublet[1] << endl; |
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99 | |
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100 | doublet[1] = g2; |
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101 | cout << "doub 0 " << doublet[0] << " " << &doublet[0] << endl; |
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102 | cout << "doub 1 " << doublet[1] << " " << &doublet[1] << endl; |
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103 | cout << "g1 " << g1 << endl; |
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104 | cout << "g2 " << g2 << endl; |
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105 | Matrix<Double> relations(1, 3, 0); |
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106 | relations(0,0) = 4; |
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107 | Bool result = True; |
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108 | try { |
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109 | GaussianMultipletSpectralElement(doublet, relations); |
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110 | result = False; |
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111 | } |
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112 | catch (AipsError x) {} |
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113 | AlwaysAssert(result, AipsError); |
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114 | } |
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115 | { |
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116 | cout << "Test that exception is thrown if there is " |
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117 | << "a center fixing incompatibility" << endl; |
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118 | GaussianSpectralElement g1(4, 4, 4); |
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119 | GaussianSpectralElement g2(5, 5, 5); |
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120 | g2.fixCenter(); |
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121 | vector<GaussianSpectralElement> doublet(2); |
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122 | doublet[0] = g1; |
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123 | doublet[1] = g2; |
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124 | Matrix<Double> relations(1, 3, 0); |
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125 | relations(0,1) = 4; |
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126 | Bool result = True; |
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127 | try { |
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128 | GaussianMultipletSpectralElement(doublet, relations); |
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129 | result = False; |
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130 | } |
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131 | catch (AipsError x) {} |
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132 | AlwaysAssert(result, AipsError); |
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133 | } |
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134 | { |
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135 | cout << "Test that exception is thrown if there is " |
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136 | << "a width fixing incompatibility" << endl; |
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137 | GaussianSpectralElement g1(4, 4, 4); |
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138 | GaussianSpectralElement g2(5, 5, 5); |
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139 | g2.fixFWHM(); |
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140 | vector<GaussianSpectralElement> doublet(2); |
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141 | doublet[0] = g1; |
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142 | doublet[1] = g2; |
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143 | Matrix<Double> relations(1, 3, 0); |
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144 | relations(0, 2) = 4; |
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145 | Bool result = True; |
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146 | try { |
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147 | GaussianMultipletSpectralElement(doublet, relations); |
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148 | result = False; |
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149 | } |
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150 | catch (AipsError x) {} |
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151 | AlwaysAssert(result, AipsError); |
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152 | } |
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153 | { |
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154 | cout << "Test gaussians were correctly constructed " << endl; |
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155 | GaussianSpectralElement g1(4, 4.4, 4.6); |
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156 | GaussianSpectralElement g2(5, 5.2, 5.8); |
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157 | vector<GaussianSpectralElement> gaussians(2); |
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158 | gaussians[0] = g1; |
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159 | gaussians[1] = g2; |
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160 | Matrix<Double> relations(1, 3, 0); |
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161 | Double ampRatio = 4.5; |
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162 | relations(0, 0) = ampRatio; |
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163 | GaussianMultipletSpectralElement doublet(gaussians, relations); |
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164 | for (uInt i=0; i<gaussians.size(); i++) { |
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165 | Vector<Double> expected = gaussians[i].get(); |
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166 | if (i==1) { |
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167 | expected[0] = ampRatio*gaussians[0].getAmpl(); |
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168 | } |
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169 | Vector<Double> got = doublet.getGaussians()[i].get(); |
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170 | cout << "*** got " << got << endl; |
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171 | cout << "*** exp " << expected << endl; |
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172 | AlwaysAssert(allTrue(got == expected), AipsError); |
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173 | } |
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174 | |
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175 | relations = 0; |
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176 | Double centerOff = -20; |
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177 | relations(0, 1) = centerOff; |
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178 | doublet = GaussianMultipletSpectralElement(gaussians, relations); |
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179 | for (uInt i=0; i<gaussians.size(); i++) { |
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180 | Vector<Double> expected = gaussians[i].get(); |
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181 | if (i==1) { |
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182 | expected[1] = centerOff + gaussians[0].getCenter(); |
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183 | } |
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184 | Vector<Double> got = doublet.getGaussians()[i].get(); |
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185 | AlwaysAssert(allTrue(got == expected), AipsError); |
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186 | } |
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187 | relations = 0; |
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188 | Vector<Double> x(5, 2); |
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189 | Double sigmaRatio = 0.5; |
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190 | relations(0, 2) = sigmaRatio; |
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191 | doublet = GaussianMultipletSpectralElement(gaussians, relations); |
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192 | for (uInt i=0; i<gaussians.size(); i++) { |
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193 | Vector<Double> expected = gaussians[i].get(); |
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194 | if (i==1) { |
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195 | expected[2] = sigmaRatio * gaussians[0].getSigma(); |
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196 | } |
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197 | Vector<Double> got = doublet.getGaussians()[i].get(); |
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198 | AlwaysAssert(allTrue(got == expected), AipsError); |
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199 | } |
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200 | } |
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201 | { |
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202 | cout << "Test toRecord()/fromRecord()" << endl; |
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203 | GaussianSpectralElement g1(4.6, 4.5, 4.4); |
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204 | GaussianSpectralElement g2(5.6, 5.2, 5.5); |
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205 | vector<GaussianSpectralElement> gaussians(2); |
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206 | gaussians[0] = g1; |
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207 | gaussians[1] = g2; |
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208 | Matrix<Double> relations(1, 3, 0); |
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209 | relations(0, 2) = 4; |
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210 | GaussianMultipletSpectralElement doublet(gaussians, relations); |
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211 | Record myRec; |
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212 | cout << "doublet real " << doublet << endl; |
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213 | doublet.toRecord(myRec); |
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214 | cout << "myrec " << myRec << endl; |
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215 | cout << __FILE__ << " " << __LINE__ << endl; |
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216 | PtrHolder<SpectralElement> ptr(SpectralElementFactory::fromRecord(myRec)); |
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217 | cout << __FILE__ << " " << __LINE__ << endl; |
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218 | GaussianMultipletSpectralElement out = *dynamic_cast<GaussianMultipletSpectralElement*>( |
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219 | ptr.ptr() |
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220 | ); |
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221 | cout << __FILE__ << " " << __LINE__ << endl; |
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222 | cout << "out " << out << endl; |
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223 | cout << "doublet " << doublet << endl; |
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224 | AlwaysAssert(out == doublet, AipsError); |
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225 | } |
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226 | { |
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227 | cout << "Test setting/getting" << endl; |
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228 | GaussianSpectralElement g1(4.6, 4.5, 4.4); |
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229 | GaussianSpectralElement g2(5.6, 5.2, 5.5); |
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230 | GaussianSpectralElement g3(6.6, 6.2, 6.5); |
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231 | |
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232 | Vector<Double> errs(3, 0); |
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233 | errs[0] = 0.1; |
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234 | errs[1] = 0.2; |
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235 | errs[2] = 0.3; |
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236 | g1.setError(errs); |
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237 | Vector<Bool> fixed(3, False); |
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238 | fixed[1] = True; |
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239 | g1.fix(fixed); |
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240 | |
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241 | |
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242 | vector<GaussianSpectralElement> gaussians(3); |
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243 | gaussians[0] = g1; |
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244 | gaussians[1] = g2; |
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245 | gaussians[2] = g3; |
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246 | |
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247 | Matrix<Double> relations(2, 3, 0); |
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248 | relations(0, 2) = 4; |
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249 | relations(1, 1) = 10; |
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250 | GaussianMultipletSpectralElement triplet(gaussians, relations); |
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251 | |
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252 | Vector<Double> g(7, 0); |
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253 | uInt j = 0; |
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254 | for (uInt i=0; i<9; i++) { |
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255 | if (i != 5 && i != 7) { |
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256 | g[j] = gaussians[i/3].get()[i%3]; |
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257 | j++; |
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258 | } |
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259 | } |
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260 | AlwaysAssert(allNear(triplet.get(), g, 1e-8), AipsError); |
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261 | AlwaysAssert( |
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262 | allNear( |
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263 | gaussians[0].get(), triplet.getGaussians()[0].get(), 1e-8 |
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264 | ), AipsError |
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265 | ); |
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266 | AlwaysAssert( |
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267 | allNear( |
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268 | gaussians[0].getError(), triplet.getGaussians()[0].getError(), 1e-8 |
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269 | ), AipsError |
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270 | ); |
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271 | AlwaysAssert( |
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272 | allTrue( |
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273 | gaussians[0].fixed() == triplet.getGaussians()[0].fixed() |
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274 | ), AipsError |
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275 | ); |
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276 | Vector<Double> z = gaussians[1].get(); |
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277 | z[2] = relations(0, 2) * gaussians[0].getSigma(); |
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278 | Vector<Double> err = gaussians[1].getError(); |
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279 | err[2] = relations(0, 2) * gaussians[0].getSigmaErr(); |
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280 | AlwaysAssert( |
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281 | allNear( |
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282 | z, triplet.getGaussians()[1].get(), 1e-8 |
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283 | ), AipsError |
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284 | ); |
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285 | AlwaysAssert( |
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286 | allNear( |
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287 | err, triplet.getGaussians()[1].getError(), 1e-8 |
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288 | ), AipsError |
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289 | ); |
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290 | AlwaysAssert( |
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291 | allTrue( |
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292 | gaussians[1].fixed() == triplet.getGaussians()[1].fixed() |
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293 | ), AipsError |
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294 | ); |
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295 | z = gaussians[2].get(); |
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296 | z[1] = relations(1, 1) + gaussians[0].getCenter(); |
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297 | err = gaussians[2].getError(); |
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298 | err[1] = gaussians[0].getCenterErr(); |
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299 | AlwaysAssert( |
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300 | allNear( |
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301 | z, triplet.getGaussians()[2].get(), 1e-8 |
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302 | ), AipsError |
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303 | ); |
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304 | AlwaysAssert( |
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305 | allNear( |
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306 | err, triplet.getGaussians()[2].getError(), 1e-8 |
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307 | ), AipsError |
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308 | ); |
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309 | cout << gaussians[2].fixed() << endl; |
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310 | cout << triplet.getGaussians()[2].fixed() << endl; |
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311 | cout << fixed << endl; |
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312 | AlwaysAssert( |
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313 | allTrue( |
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314 | triplet.getGaussians()[2].fixed() == fixed |
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315 | ), AipsError |
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316 | ); |
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317 | cout << triplet.getFunction() << endl; |
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318 | Vector<Double> parms(7); |
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319 | for (uInt i=0; i < parms.size(); i++) { |
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320 | parms[i] = 10+i; |
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321 | } |
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322 | triplet.set(parms); |
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323 | |
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324 | AlwaysAssert( |
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325 | allNear( |
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326 | triplet.get(), parms, 1e-5 |
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327 | ), AipsError |
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328 | ); |
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329 | Vector<Double> exp(3); |
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330 | exp[0] = parms[0]; |
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331 | exp[1] = parms[1]; |
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332 | exp[2] = parms[2]; |
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333 | AlwaysAssert( |
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334 | allNear( |
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335 | triplet.getGaussians()[0].get(), exp, 1e-5 |
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336 | ), AipsError |
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337 | ); |
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338 | exp[0] = parms[3]; |
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339 | exp[1] = parms[4]; |
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340 | exp[2] = relations(0, 2) * parms[2]; |
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341 | AlwaysAssert( |
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342 | allNear( |
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343 | triplet.getGaussians()[1].get(), exp, 1e-5 |
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344 | ), AipsError |
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345 | ); |
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346 | exp[0] = parms[5]; |
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347 | exp[1] = relations(1, 1) + parms[1]; |
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348 | exp[2] = parms[6]; |
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349 | AlwaysAssert( |
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350 | allNear( |
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351 | triplet.getGaussians()[2].get(), exp, 1e-5 |
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352 | ), AipsError |
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353 | ); |
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354 | |
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355 | |
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356 | |
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357 | |
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358 | |
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359 | } |
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360 | cout << "ok" << endl; |
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361 | return 0; |
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362 | |
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363 | |
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364 | } |
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