1 | #include <iomanip>
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2 |
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3 | Double_t GetResidual(Double_t fRawEl, Double_t fRawAz,
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4 | Double_t fStarEl, Double_t fStarAz)
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5 | {
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6 | fRawEl *= TMath::DegToRad();
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7 | fRawAz *= TMath::DegToRad();
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8 | fStarEl *= TMath::DegToRad();
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9 | fStarAz *= TMath::DegToRad();
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10 | Double_t del = fRawEl-fStarEl;
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11 | Double_t daz = fRawAz-fStarAz;
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12 | Double_t dphi2 = daz/2.;
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13 | Double_t cos2 = cos(dphi2)*cos(dphi2);
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14 | Double_t sin2 = sin(dphi2)*sin(dphi2);
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15 | Double_t d = cos(del)*cos2 - cos(fRawEl+fStarEl)*sin2;
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16 |
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17 | Double_t dist = acos(d);
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18 |
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19 | return dist * TMath::RadToDeg();
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20 | }
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21 |
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22 | void DrawMarker(TVirtualPad *pad, Double_t r0, Double_t phi0, Double_t r1, Double_t phi1)
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23 | {
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24 | TView *view = pad->GetView();
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25 |
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26 | if (!view)
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27 | {
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28 | cout << "No View!" << endl;
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29 | return;
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30 | }
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31 |
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32 | TMarker mark0;
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33 | TMarker mark1;
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34 | mark0.SetMarkerStyle(kStar);
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35 | mark1.SetMarkerStyle(kStar);
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36 | mark1.SetMarkerColor(kRed);
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37 |
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38 | r0 /= 90;
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39 | r1 /= 90;
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40 | phi0 *= TMath::DegToRad();
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41 | phi1 *= TMath::DegToRad();
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42 |
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43 | Double_t x0[3] = { r0*cos(phi0), r0*sin(phi0), 0};
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44 | Double_t x1[3] = { r1*cos(phi1), r1*sin(phi1), 0};
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45 |
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46 | mark0.DrawMarker(x0[0], x0[1]);
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47 | mark1.DrawMarker(x1[0], x1[1]);
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48 |
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49 | return;
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50 | Double_t y0[3], y1[3];
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51 |
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52 | view->WCtoNDC(x0, y0);
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53 | view->WCtoNDC(x1, y1);
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54 |
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55 | mark0.DrawMarker(y0[0], y0[1]);
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56 | mark1.DrawMarker(y1[0], y1[1]);
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57 | }
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58 |
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59 | int fill(const char *fname, TGraph *g, TH1 *h)
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60 | {
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61 | /*
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62 | TH2F h2res1("Res2D1", " Dataset positions on the sky ", 32, 0, 360, 10, 0, 90);
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63 | h2res1.SetBit(TH1::kNoStats);
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64 | h2res1.DrawCopy("surf1pol");
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65 | gPad->Modified();
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66 | gPad->Update();
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67 | gPad->SetTheta(90);
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68 | gPad->SetPhi(-90);
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69 |
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70 | DrawMarker(gPad, 45, 0, 0, 0);
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71 | gPad->Modified();
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72 | gPad->Update();
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73 |
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74 | return;
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75 |
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76 | */
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77 | ifstream fin(fname);
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78 |
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79 | cout << "Reading " << setw(23) << fname << "..." << flush;
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80 |
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81 | while (1)
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82 | {
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83 | TString str;
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84 | str.ReadLine(fin);
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85 | if (!fin)
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86 | break;
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87 |
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88 | if (str.Contains("#"))
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89 | continue;
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90 |
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91 | Float_t alt, az, dalt, daz, mjd;
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92 | sscanf(str.Data(), "%f %f %*f %*f %*f %*f %f %f %f",
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93 | &alt, &az, &dalt, &daz, &mjd);
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94 |
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95 | if (dalt==0/* || GetResidual(alt, az, alt+dalt, az+daz)>0.1*/)
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96 | continue;
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97 |
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98 | //cout << dalt << " " << daz << " " << GetResidual(alt, az, alt+dalt, az+daz) << endl;
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99 |
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100 | mjd -= 53140.097505;
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101 |
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102 | Double_t res = GetResidual(alt, az, alt-dalt, az-daz);
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103 |
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104 | g[0].SetPoint(g[0].GetN(), g[0].GetN(), fabs(dalt));
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105 | g[1].SetPoint(g[1].GetN(), g[1].GetN(), fabs(daz));
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106 | g[2].SetPoint(g[2].GetN(), g[2].GetN(), res);
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107 |
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108 | h->Fill(res);
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109 | }
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110 |
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111 | cout << "done (" << setw(3) << (Int_t)h->GetEntries() << "/";
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112 | cout << setw(4) << g[0].GetN() << ") " << flush;
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113 |
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114 | return g[0].GetN();
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115 | }
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116 |
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117 | struct Description_t
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118 | {
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119 | const char *fName;
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120 | const char *fTitle;
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121 | const char *fFile;
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122 | };
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123 |
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124 | const Int_t counts = 22;
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125 | Description_t desc[counts] =
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126 | {
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127 | // No good pointing model has been applied yet
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128 | // {"0404", "TPoints Residuals 4/2004" , "tpoint/tpoint0404.txt"},
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129 | // {"0405", "TPoints Residuals 5/2004" , "tpoint/tpoint0405.txt"},
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130 | // {"04081", "TPoints Residuals 8/2004-1" , "tpoint/tpoint0408-1.txt"},
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131 | {"04082", "TPoints Residuals 8/2004-2" , "tpoint/tpoint0408-2.txt"},
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132 | {"0409", "TPoints Residuals 9/2004" , "tpoint/tpoint0409.txt"},
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133 | // Culmination tests
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134 | // {"0410", "TPoints Residuals 10/2004" , "tpoint/tpoint0410.txt"},
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135 | {"0411", "TPoints Residuals 11/2004" , "tpoint/tpoint0411.txt"},
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136 | {"0412", "TPoints Residuals 12/2004" , "tpoint/tpoint0412.txt"},
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137 | // Worse pointing due to realignment of the mirror
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138 | {"0503", "TPoints Residuals 3/2005" , "tpoint/tpoint0503.txt"},
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139 | {"0504", "TPoints Residuals 4/2005" , "tpoint/tpoint0504.txt"},
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140 | {"05051", "TPoints Residuals 5/2005-1" , "tpoint/tpoint0505-1.txt"},
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141 | // Mirror alignment has been fixed
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142 | {"05052", "TPoints Residuals 5/2005-2" , "tpoint/tpoint0505-2.txt"},
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143 | // Fixes to pointing model due to fixing a screw
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144 | {"0506", "TPoints Residuals 6/2005" , "tpoint/tpoint0506.txt"},
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145 |
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146 | {"0508", "TPoints Residuals 8/2005" , "tpoint/tpoint0508.txt"},
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147 | {"0509", "TPoints Residuals 9/2005" , "tpoint/tpoint0509.txt"},
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148 | // Quick-and-dirty mirror alignment
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149 | {"0510", "TPoints Residuals 10/2005" , "tpoint/tpoint0510.txt"},
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150 | // New mirror alignment after Tenerife meeting
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151 | {"0511", "TPoints Residuals 11/2005" , "tpoint/tpoint0511.txt"},
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152 |
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153 | {"0512", "TPoints Residuals 12/2005" , "tpoint/tpoint0512.txt"},
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154 | {"0601", "TPoints Residuals 1/2006" , "tpoint/tpoint0601.txt"},
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155 | {"0603", "TPoints Residuals 3/2006" , "tpoint/tpoint0603.txt"},
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156 | {"0604", "TPoints Residuals 4/2006" , "tpoint/tpoint0604.txt"},
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157 | //{"0605", "TPoints Residuals 5/2006" , "tpoint/tpoint0605.txt"},
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158 | //{"0606", "TPoints Residuals 6/2006" , "tpoint/tpoint0606.txt"},
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159 | {"0701", "TPoints Residuals 1/2007" , "tpoint/tpoint0701.txt"},
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160 | {"0702", "TPoints Residuals 2/2007" , "tpoint/tpoint0702.txt"},
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161 | {"0703", "TPoints Residuals 3/2007" , "tpoint/tpoint0703.txt"},
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162 | {"0704", "TPoints Residuals 4/2007" , "tpoint/tpoint0704.txt"},
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163 | {"0705", "TPoints Residuals 5/2007" , "tpoint/tpoint0705.txt"},
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164 | };
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165 |
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166 | void plot()
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167 | {
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168 | TGraph g[3];
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169 |
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170 | MBinning bins(10, 0, 0.2);
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171 |
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172 | TArrayI n(counts);
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173 |
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174 | TH1F hx[counts];
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175 | for (int i=0; i<counts; i++)
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176 | {
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177 | hx[i].SetNameTitle(desc[i].fName, desc[i].fTitle);
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178 | hx[i].SetDirectory(0);
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179 | bins.Apply(hx[i]);
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180 |
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181 | cout << setw(2) << i << ": " << flush;
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182 | n[i] = fill(desc[i].fFile, g, &hx[i]);
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183 | cout << " Mean: " << setw(5) << setprecision(2) << hx[i].GetMean() << " deg +/- " << hx[i].GetRMS()<<endl;
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184 | }
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185 |
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186 | g[0].SetMarkerColor(kGreen);
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187 | g[1].SetMarkerColor(kMagenta);
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188 | g[2].SetMarkerColor(kBlack);
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189 | //g[2].SetLineColor(kBlack);
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190 | g[0].SetMarkerStyle(kFullDotMedium);
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191 | g[1].SetMarkerStyle(kFullDotMedium);
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192 | g[2].SetMarkerStyle(kFullDotLarge);
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193 |
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194 | // --------- First Canvas ----------
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195 |
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196 | new TCanvas("Vs Time", "");
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197 |
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198 | TObject *obj[4];
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199 |
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200 | for (int i=0; i<3; i++)
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201 | {
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202 | g[i].SetFillColor(kWhite);
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203 | g[i].SetLineColor(kWhite);
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204 | obj[i] = g[i].Clone();
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205 | obj[i]->SetBit(kCanDelete);
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206 | obj[i]->Draw(i==0?"AP":"P");
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207 | }
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208 |
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209 | TLegend leg(0.905, 0.86, 0.99, 0.99);
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210 | leg.AddEntry(obj[0], " \\Delta\\theta");
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211 | leg.AddEntry(obj[1], " \\Delta\\phi");
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212 | leg.AddEntry(obj[2], " \\Delta");
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213 | leg.DrawClone()->SetBit(kCanDelete);
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214 |
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215 | TLine l;
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216 | l.SetLineColor(kBlue);
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217 | for (int i=0; i<n.GetSize(); i++)
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218 | l.DrawLine(n[i], 0, n[i], 0.2);
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219 |
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220 | // --------- Second Canvas ----------
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221 |
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222 | new TCanvas("Distrib", "");
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223 |
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224 | Double_t max=0;
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225 | for (int i=0; i<n.GetSize(); i++)
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226 | {
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227 | if (hx[i].GetEntries()==0)
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228 | {
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229 | cout << "Skip #" << i << endl;
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230 | continue;
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231 | }
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232 |
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233 | hx[i].Scale(1./hx[i].GetEntries());
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234 | max = TMath::Max(max, hx[i].GetMaximum());
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235 | }
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236 | for (int i=0; i<n.GetSize(); i++)
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237 | {
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238 | hx[i].SetMaximum(max*1.05);
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239 | if (i<6)
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240 | hx[i].SetLineColor(kRed+i);
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241 | else
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242 | hx[i].SetMarkerStyle(kPlus+i-6);
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243 |
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244 |
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245 | }
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246 |
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247 | for (int i=0; i<counts; i++)
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248 | hx[i].DrawCopy(i==0?"LP":"LPsame");
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249 |
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250 | return;
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251 |
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252 | for (int i=0; i<n.GetSize(); i++)
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253 | {
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254 | cout << "Mean: " << Form("%.3f +- %.3f", hx[i].GetMean(), hx[i].GetRMS());
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255 | cout << " (Overflows=" << hx[i].GetBinContent(hx[i].GetNbinsX()+1)*hx[i].GetEntries() << ")" << endl;
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256 | }
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257 | }
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