[3] | 1 | #include <iostream> |
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| 2 | #include <iomanip> |
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| 3 | #include <vector> |
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| 4 | #include <string> |
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| 5 | #include <wcs.h> |
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[69] | 6 | #include <math.h> |
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[3] | 7 | #include <param.hh> |
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[69] | 8 | #include <Utils/utils.hh> |
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[3] | 9 | #include <Detection/detection.hh> |
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| 10 | |
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| 11 | using std::setw; |
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| 12 | using std::setprecision; |
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| 13 | using std::endl; |
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| 14 | |
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| 15 | std::ostream& operator<< ( std::ostream& theStream, Voxel& vox) |
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| 16 | { |
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| 17 | /** |
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| 18 | * << operator for Voxel class |
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[140] | 19 | * A convenient way of printing the coordinate |
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| 20 | * and flux values of a voxel. |
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[3] | 21 | */ |
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| 22 | |
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| 23 | theStream << setw(4) << vox.itsX ; |
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| 24 | theStream << " " << setw(4) << vox.itsY; |
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| 25 | theStream << " " << setw(4) << vox.itsZ; |
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| 26 | theStream << setprecision(4); |
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| 27 | theStream << " " << vox.itsF; |
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| 28 | |
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| 29 | } |
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[191] | 30 | //-------------------------------------------------------------------- |
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[3] | 31 | |
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[218] | 32 | Detection::Detection(const Detection& d) |
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| 33 | { |
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| 34 | pix = d.pix; |
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| 35 | xcentre = d.xcentre; |
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| 36 | ycentre = d.ycentre; |
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| 37 | zcentre = d.zcentre; |
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| 38 | xmin,xmax = d.xmin,xmax; |
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| 39 | ymin,ymax = d.ymin,ymax; |
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| 40 | zmin,zmax = d.zmin,zmax; |
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| 41 | xSubOffset = d.xSubOffset; |
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| 42 | ySubOffset = d.ySubOffset; |
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| 43 | zSubOffset = d.zSubOffset; |
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| 44 | totalFlux = d.totalFlux; |
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| 45 | intFlux = d.intFlux; |
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| 46 | peakFlux = d.peakFlux; |
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| 47 | xpeak = d.xpeak; |
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| 48 | ypeak = d.ypeak; |
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| 49 | zpeak = d.zpeak; |
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| 50 | peakSNR = d.peakSNR; |
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| 51 | negativeSource = d.negativeSource; |
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| 52 | flagText = d.flagText; |
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| 53 | id = d.id; |
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| 54 | name = d.name; |
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| 55 | flagWCS = d.flagWCS; |
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| 56 | raS = d.raS; |
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| 57 | decS = d.decS; |
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| 58 | ra = d.ra; |
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| 59 | dec = d.dec; |
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| 60 | raWidth = d.raWidth; |
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| 61 | decWidth = d.decWidth; |
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| 62 | specUnits = d.specUnits; |
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| 63 | fluxUnits = d.fluxUnits; |
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| 64 | intFluxUnits = d.intFluxUnits; |
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| 65 | lngtype = d.lngtype; |
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| 66 | lattype = d.lattype; |
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| 67 | vel = d.vel; |
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| 68 | velWidth = d.velWidth; |
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| 69 | velMin = d.velMin; |
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| 70 | velMax = d.velMax; |
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| 71 | posPrec = d.posPrec; |
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| 72 | xyzPrec = d.xyzPrec; |
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| 73 | fintPrec = d.fintPrec; |
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| 74 | fpeakPrec = d.fpeakPrec; |
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| 75 | velPrec = d.velPrec; |
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| 76 | snrPrec = d.snrPrec; |
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| 77 | } |
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| 78 | |
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| 79 | //-------------------------------------------------------------------- |
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| 80 | |
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| 81 | Detection& Detection::operator= (const Detection& d) |
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| 82 | { |
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| 83 | pix = d.pix; |
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| 84 | xcentre = d.xcentre; |
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| 85 | ycentre = d.ycentre; |
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| 86 | zcentre = d.zcentre; |
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| 87 | xmin,xmax = d.xmin,xmax; |
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| 88 | ymin,ymax = d.ymin,ymax; |
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| 89 | zmin,zmax = d.zmin,zmax; |
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| 90 | xSubOffset = d.xSubOffset; |
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| 91 | ySubOffset = d.ySubOffset; |
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| 92 | zSubOffset = d.zSubOffset; |
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| 93 | totalFlux = d.totalFlux; |
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| 94 | intFlux = d.intFlux; |
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| 95 | peakFlux = d.peakFlux; |
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| 96 | xpeak = d.xpeak; |
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| 97 | ypeak = d.ypeak; |
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| 98 | zpeak = d.zpeak; |
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| 99 | peakSNR = d.peakSNR; |
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| 100 | negativeSource = d.negativeSource; |
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| 101 | flagText = d.flagText; |
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| 102 | id = d.id; |
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| 103 | name = d.name; |
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| 104 | flagWCS = d.flagWCS; |
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| 105 | raS = d.raS; |
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| 106 | decS = d.decS; |
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| 107 | ra = d.ra; |
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| 108 | dec = d.dec; |
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| 109 | raWidth = d.raWidth; |
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| 110 | decWidth = d.decWidth; |
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| 111 | specUnits = d.specUnits; |
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| 112 | fluxUnits = d.fluxUnits; |
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| 113 | intFluxUnits = d.intFluxUnits; |
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| 114 | lngtype = d.lngtype; |
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| 115 | lattype = d.lattype; |
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| 116 | vel = d.vel; |
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| 117 | velWidth = d.velWidth; |
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| 118 | velMin = d.velMin; |
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| 119 | velMax = d.velMax; |
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| 120 | posPrec = d.posPrec; |
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| 121 | xyzPrec = d.xyzPrec; |
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| 122 | fintPrec = d.fintPrec; |
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| 123 | fpeakPrec = d.fpeakPrec; |
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| 124 | velPrec = d.velPrec; |
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| 125 | snrPrec = d.snrPrec; |
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| 126 | } |
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| 127 | |
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| 128 | //-------------------------------------------------------------------- |
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| 129 | |
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[3] | 130 | void Detection::calcParams() |
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| 131 | { |
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| 132 | /** |
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| 133 | * Detection::calcParams() |
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[140] | 134 | * A function that calculates centroid positions, |
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| 135 | * minima & maxima of coordinates, |
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[3] | 136 | * and total & peak fluxes for a detection. |
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| 137 | */ |
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| 138 | |
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[187] | 139 | this->xcentre = 0; |
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| 140 | this->ycentre = 0; |
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| 141 | this->zcentre = 0; |
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| 142 | this->totalFlux = 0; |
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| 143 | this->peakFlux = 0; |
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| 144 | this->xmin = 0; |
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| 145 | this->xmax = 0; |
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| 146 | this->ymin = 0; |
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| 147 | this->ymax = 0; |
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| 148 | this->zmin = 0; |
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| 149 | this->zmax = 0; |
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[62] | 150 | if(this->pix.size()>0){ |
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| 151 | this->peakFlux = this->pix[0].itsF; |
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[82] | 152 | for(int ctr=0;ctr<this->pix.size();ctr++){ |
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| 153 | this->xcentre += this->pix[ctr].itsX; |
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| 154 | this->ycentre += this->pix[ctr].itsY; |
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| 155 | this->zcentre += this->pix[ctr].itsZ; |
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| 156 | this->totalFlux += this->pix[ctr].itsF; |
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[140] | 157 | if((ctr==0)||(this->pix[ctr].itsX<this->xmin)) |
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| 158 | this->xmin = this->pix[ctr].itsX; |
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| 159 | if((ctr==0)||(this->pix[ctr].itsX>this->xmax)) |
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| 160 | this->xmax = this->pix[ctr].itsX; |
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| 161 | if((ctr==0)||(this->pix[ctr].itsY<this->ymin)) |
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| 162 | this->ymin = this->pix[ctr].itsY; |
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| 163 | if((ctr==0)||(this->pix[ctr].itsY>this->ymax)) |
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| 164 | this->ymax = this->pix[ctr].itsY; |
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| 165 | if((ctr==0)||(this->pix[ctr].itsZ<this->zmin)) |
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| 166 | this->zmin = this->pix[ctr].itsZ; |
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| 167 | if((ctr==0)||(this->pix[ctr].itsZ>this->zmax)) |
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| 168 | this->zmax = this->pix[ctr].itsZ; |
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[62] | 169 | if(this->negativeSource){ |
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| 170 | // if negative feature, peakFlux is most negative flux |
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[82] | 171 | if((ctr==0)||(this->pix[ctr].itsF < this->peakFlux)){ |
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| 172 | this->peakFlux = this->pix[ctr].itsF; |
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| 173 | this->xpeak = this->pix[ctr].itsX; |
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| 174 | this->ypeak = this->pix[ctr].itsY; |
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| 175 | this->zpeak = this->pix[ctr].itsZ; |
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[62] | 176 | } |
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| 177 | } |
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| 178 | else{ |
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[140] | 179 | // otherwise, it's a regular detection, |
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| 180 | // and peakFlux is most positive flux |
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[82] | 181 | if((ctr==0)||(this->pix[ctr].itsF > this->peakFlux)){ |
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| 182 | this->peakFlux = this->pix[ctr].itsF; |
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| 183 | this->xpeak = this->pix[ctr].itsX; |
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| 184 | this->ypeak = this->pix[ctr].itsY; |
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| 185 | this->zpeak = this->pix[ctr].itsZ; |
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[62] | 186 | } |
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| 187 | } |
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[45] | 188 | } |
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[62] | 189 | this->xcentre /= this->pix.size(); |
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| 190 | this->ycentre /= this->pix.size(); |
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| 191 | this->zcentre /= this->pix.size(); |
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[3] | 192 | } |
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| 193 | } |
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[191] | 194 | //-------------------------------------------------------------------- |
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[3] | 195 | |
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[129] | 196 | void Detection::calcWCSparams(FitsHeader &head) |
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[3] | 197 | { |
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| 198 | /** |
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[140] | 199 | * Detection::calcWCSparams(FitsHeader &) |
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| 200 | * Use the input wcs to calculate the position and velocity |
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| 201 | * information for the Detection. |
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[3] | 202 | * Quantities calculated: |
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[22] | 203 | * RA: ra [deg], ra (string), ra width. |
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| 204 | * Dec: dec [deg], dec (string), dec width. |
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| 205 | * Vel: vel [km/s], min & max vel, vel width. |
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[129] | 206 | * Other: coord type for all three axes, nuRest, |
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| 207 | * name (IAU-style, in equatorial or Galactic) |
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[22] | 208 | * Uses getIntegFlux to calculate the integrated flux in (say) [Jy km/s] |
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[3] | 209 | */ |
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| 210 | |
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[103] | 211 | if(head.isWCS()){ |
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[60] | 212 | |
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[103] | 213 | this->calcParams(); // make sure this is up to date. |
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| 214 | |
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| 215 | double *pixcrd = new double[15]; |
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| 216 | double *world = new double[15]; |
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| 217 | /* |
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| 218 | define a five-point array in 3D: |
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[86] | 219 | (x,y,z), (x,y,z1), (x,y,z2), (x1,y1,z), (x2,y2,z) |
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| 220 | [note: x = central point, x1 = minimum x, x2 = maximum x etc.] |
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[103] | 221 | and convert to world coordinates. |
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| 222 | */ |
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| 223 | pixcrd[0] = pixcrd[3] = pixcrd[6] = this->xcentre; |
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| 224 | pixcrd[9] = this->xmin-0.5; |
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| 225 | pixcrd[12] = this->xmax+0.5; |
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| 226 | pixcrd[1] = pixcrd[4] = pixcrd[7] = this->ycentre; |
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| 227 | pixcrd[10] = this->ymin-0.5; |
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| 228 | pixcrd[13] = this->ymax+0.5; |
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| 229 | pixcrd[2] = pixcrd[11] = pixcrd[14] = this->zcentre; |
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| 230 | pixcrd[5] = this->zmin; |
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| 231 | pixcrd[8] = this->zmax; |
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| 232 | int flag = head.pixToWCS(pixcrd, world, 5); |
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| 233 | delete [] pixcrd; |
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[3] | 234 | |
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[140] | 235 | // world now has the WCS coords for the five points |
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| 236 | // -- use this to work out WCS params |
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[22] | 237 | |
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[103] | 238 | this->lngtype = head.getWCS()->lngtyp; |
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| 239 | this->lattype = head.getWCS()->lattyp; |
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| 240 | this->specUnits = head.getSpectralUnits(); |
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| 241 | this->fluxUnits = head.getFluxUnits(); |
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| 242 | // if fluxUnits are eg. Jy/beam, make intFluxUnits = Jy km/s |
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| 243 | this->intFluxUnits = head.getIntFluxUnits(); |
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| 244 | this->ra = world[0]; |
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| 245 | this->dec = world[1]; |
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| 246 | this->raS = decToDMS(this->ra, this->lngtype); |
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| 247 | this->decS = decToDMS(this->dec,this->lattype); |
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[205] | 248 | this->raWidth = angularSeparation(world[9],world[1],world[12],world[1])*60.; |
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[103] | 249 | this->decWidth = angularSeparation(world[0],world[10],world[0],world[13]) * 60.; |
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| 250 | this->name = head.getIAUName(this->ra, this->dec); |
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| 251 | this->vel = head.specToVel(world[2]); |
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| 252 | this->velMin = head.specToVel(world[5]); |
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| 253 | this->velMax = head.specToVel(world[8]); |
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| 254 | this->velWidth = fabs(this->velMax - this->velMin); |
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[3] | 255 | |
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[103] | 256 | this->getIntegFlux(head); |
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[129] | 257 | |
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[103] | 258 | this->flagWCS = true; |
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[3] | 259 | |
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[103] | 260 | delete [] world; |
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[3] | 261 | |
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[103] | 262 | } |
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[3] | 263 | } |
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[191] | 264 | //-------------------------------------------------------------------- |
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[3] | 265 | |
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[129] | 266 | float Detection::getIntegFlux(FitsHeader &head) |
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[3] | 267 | { |
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| 268 | /** |
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[103] | 269 | * Detection::getIntegFlux(FitsHeader) |
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[3] | 270 | * Uses the input wcs to calculate the velocity-integrated flux, |
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[140] | 271 | * putting velocity in units of km/s. |
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| 272 | * Integrates over full spatial and velocity range as given |
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| 273 | * by the extrema calculated by calcWCSparams. |
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| 274 | * If the flux units end in "/beam" (eg. Jy/beam), then the |
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| 275 | * flux is corrected by the beam size (in pixels). |
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[3] | 276 | */ |
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| 277 | |
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| 278 | // include one pixel either side in each direction |
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| 279 | int xsize = (this->xmax-this->xmin+3); |
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| 280 | int ysize = (this->ymax-this->ymin+3); |
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| 281 | int zsize = (this->zmax-this->zmin+3); |
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| 282 | vector <bool> isObj(xsize*ysize*zsize,false); |
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| 283 | vector <float> fluxArray(xsize*ysize*zsize,0.); |
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[22] | 284 | // work out which pixels are object pixels |
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[3] | 285 | for(int p=0;p<this->pix.size();p++){ |
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[139] | 286 | int pos = (this->pix[p].getX()-this->xmin+1) |
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| 287 | + (this->pix[p].getY()-this->ymin+1)*xsize |
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| 288 | + (this->pix[p].getZ()-this->zmin+1)*xsize*ysize; |
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[3] | 289 | fluxArray[pos] = this->pix[p].getF(); |
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| 290 | isObj[pos] = true; |
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| 291 | } |
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[22] | 292 | |
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| 293 | // work out the WCS coords for each pixel |
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[103] | 294 | double *world = new double[xsize*ysize*zsize]; |
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| 295 | double x,y,z; |
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[3] | 296 | for(int i=0;i<xsize*ysize*zsize;i++){ |
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[103] | 297 | x = double( this->xmin -1 + i%xsize ); |
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| 298 | y = double( this->ymin -1 + (i/xsize)%ysize ); |
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| 299 | z = double( this->zmin -1 + i/(xsize*ysize) ); |
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| 300 | world[i] = head.pixToVel(x,y,z); |
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[3] | 301 | } |
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| 302 | |
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| 303 | this->intFlux = 0.; |
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| 304 | for(int pix=0; pix<xsize*ysize; pix++){ // loop over each spatial pixel. |
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| 305 | for(int z=0; z<zsize; z++){ |
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| 306 | int pos = z*xsize*ysize + pix; |
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| 307 | if(isObj[pos]){ // if it's an object pixel... |
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[103] | 308 | float deltaVel; |
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[139] | 309 | if(z==0) |
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| 310 | deltaVel = (world[pos+xsize*ysize] - world[pos]); |
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| 311 | else if(z==(zsize-1)) |
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| 312 | deltaVel = (world[pos] - world[pos-xsize*ysize]); |
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| 313 | else |
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| 314 | deltaVel = (world[pos+xsize*ysize] - world[pos-xsize*ysize]) / 2.; |
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[125] | 315 | this->intFlux += fluxArray[pos] * fabs(deltaVel); |
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[3] | 316 | } |
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| 317 | } |
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| 318 | } |
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[103] | 319 | |
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[140] | 320 | // correct for the beam size if the flux units string ends in "/beam" |
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| 321 | int size = this->fluxUnits.size(); |
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| 322 | string tailOfFluxUnits = this->fluxUnits.substr(size-5,size); |
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| 323 | if(tailOfFluxUnits == "/beam") this->intFlux /= head.getBeamSize(); |
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[103] | 324 | |
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[3] | 325 | delete [] world; |
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| 326 | } |
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[191] | 327 | //-------------------------------------------------------------------- |
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[3] | 328 | |
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[82] | 329 | void Detection::addAnObject(Detection &toAdd) |
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| 330 | { |
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[3] | 331 | /** |
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| 332 | * Detection::addAnObject(Detection &) |
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[139] | 333 | * Combines two objects by adding all the pixels of the argument |
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| 334 | * to the instigator. |
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| 335 | * All pixel & flux parameters are recalculated (so that |
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| 336 | * calcParams does not need to be called a second time), |
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| 337 | * but WCS parameters are not. |
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[187] | 338 | * If the instigator is empty (pix.size()==0) then we just make it |
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| 339 | * equal to the argument, and call calcParams to initialise the |
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| 340 | * necessary parameters |
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[3] | 341 | */ |
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[139] | 342 | |
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[187] | 343 | int size = this->pix.size(); |
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| 344 | if(size==0){ |
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| 345 | *this = toAdd; |
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| 346 | this->calcParams(); |
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| 347 | } |
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| 348 | else if(size>0){ |
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| 349 | |
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| 350 | this->xcentre *= size; |
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| 351 | this->ycentre *= size; |
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| 352 | this->zcentre *= size; |
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| 353 | |
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| 354 | for(int ctr=0;ctr<toAdd.getSize();ctr++){ |
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| 355 | long x = toAdd.getX(ctr); |
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| 356 | long y = toAdd.getY(ctr); |
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| 357 | long z = toAdd.getZ(ctr); |
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| 358 | float f = toAdd.getF(ctr); |
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| 359 | bool isNewPix = true; |
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| 360 | int ctr2 = 0; |
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| 361 | // For each pixel in the new object, test to see if it already |
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| 362 | // appears in the object |
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| 363 | while( isNewPix && (ctr2<this->pix.size()) ){ |
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| 364 | isNewPix = isNewPix && (( this->pix[ctr2].itsX != x ) || |
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| 365 | ( this->pix[ctr2].itsY != y ) || |
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| 366 | ( this->pix[ctr2].itsZ != z ) ); |
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| 367 | ctr2++; |
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| 368 | } |
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| 369 | if(isNewPix){ |
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| 370 | // If the pixel is new, add it to the object and |
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| 371 | // re-calculate the parameters. |
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| 372 | this->pix.push_back(toAdd.getPixel(ctr)); |
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| 373 | this->xcentre += x; |
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| 374 | this->ycentre += y; |
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| 375 | this->zcentre += z; |
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| 376 | this->totalFlux += f; |
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| 377 | if (x < this->xmin) this->xmin = x; |
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| 378 | else if(x > this->xmax) this->xmax = x; |
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| 379 | if (y < this->ymin) this->ymin = y; |
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| 380 | else if(y > this->ymax) this->ymax = y; |
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| 381 | if (z < this->zmin) this->zmin = z; |
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| 382 | else if(z > this->zmax) this->zmax = z; |
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| 383 | if(f > this->peakFlux) this->peakFlux = f; |
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| 384 | } |
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[82] | 385 | } |
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[187] | 386 | size = this->pix.size(); |
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| 387 | this->xcentre /= size; |
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| 388 | this->ycentre /= size; |
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| 389 | this->zcentre /= size; |
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| 390 | |
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[3] | 391 | } |
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| 392 | } |
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[191] | 393 | //-------------------------------------------------------------------- |
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[3] | 394 | |
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| 395 | void Detection::addOffsets(Param &par) |
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| 396 | { |
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| 397 | this->xSubOffset = par.getXOffset(); |
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| 398 | this->ySubOffset = par.getYOffset(); |
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| 399 | this->zSubOffset = par.getZOffset(); |
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| 400 | } |
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[191] | 401 | //-------------------------------------------------------------------- |
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[3] | 402 | |
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| 403 | bool Detection::hasEnoughChannels(int minNumber) |
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| 404 | { |
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| 405 | /** |
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| 406 | * bool hasEnoughChannels(int) |
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| 407 | * A function to determine if the Detection has enough |
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| 408 | * contiguous channels to meet the minimum requirement |
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| 409 | * given as the argument. |
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| 410 | * Needs to have at least one occurence of minNumber consecutive |
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| 411 | * channels present to return true. Otherwise returns false. |
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| 412 | */ |
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| 413 | |
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| 414 | // Original requirement -- based on total span |
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| 415 | // int numChannels = this->getZmax() - this->getZmin() + 1; |
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| 416 | |
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| 417 | // Alternative -- number of distinct channels detected |
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| 418 | // int numChannels = 0; |
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| 419 | // this->SortByZ(); |
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| 420 | // if(this->getSize()>0) numChannels++; |
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| 421 | // for(int i=1;i<this->getSize();i++) |
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| 422 | // if(this->getZ(i)>this->getZ(i-1)) numChannels++; |
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| 423 | // return (numChannels < minNumber); |
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| 424 | |
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| 425 | // Preferred method -- need a set of minNumber consecutive channels present. |
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| 426 | this->SortByZ(); |
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| 427 | int numChannels = 0; |
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| 428 | bool result = false; |
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| 429 | if(this->getSize()>0) numChannels++; |
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| 430 | for(int i=1;i<this->getSize();i++) { |
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| 431 | if( (this->getZ(i) - this->getZ(i-1)) == 1) numChannels++; |
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| 432 | else if( (this->getZ(i) - this->getZ(i-1)) >= 2) numChannels = 1; |
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| 433 | |
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[120] | 434 | if( numChannels >= minNumber) result = true; |
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[3] | 435 | } |
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| 436 | return result; |
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| 437 | |
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| 438 | } |
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[191] | 439 | //-------------------------------------------------------------------- |
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[3] | 440 | |
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[16] | 441 | int Detection::getSpatialSize() |
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| 442 | { |
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| 443 | /** |
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| 444 | * int getSpatialSize() |
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| 445 | * A function that returns the number of distinct spatial |
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| 446 | * pixels in a Detection. |
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| 447 | */ |
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| 448 | |
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| 449 | vector<Pixel> spatialPix; |
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| 450 | Pixel newpix; |
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| 451 | bool addThisOne; |
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| 452 | newpix.setXY(this->getX(0),this->getY(0)); |
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| 453 | spatialPix.push_back(newpix); |
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| 454 | for(int i=1;i<this->pix.size();i++){ |
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| 455 | newpix.setXY(this->getX(i),this->getY(i)); |
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| 456 | addThisOne = true; |
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| 457 | for(int j=0;(j<spatialPix.size())&&addThisOne;j++) { |
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| 458 | // do whole list or until addThisOne=false |
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| 459 | addThisOne = ( (newpix.getX()!=spatialPix[j].getX()) || |
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| 460 | (newpix.getY()!=spatialPix[j].getY()) ); |
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| 461 | // ie. if one of X or Y is different, addThisOne is true. |
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| 462 | } |
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| 463 | if(addThisOne) spatialPix.push_back(newpix); |
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| 464 | } |
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| 465 | return spatialPix.size(); |
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| 466 | } |
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[191] | 467 | //-------------------------------------------------------------------- |
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[16] | 468 | |
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[3] | 469 | std::ostream& operator<< ( std::ostream& theStream, Detection& obj) |
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| 470 | { |
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| 471 | /** |
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| 472 | * << operator for Detection class |
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| 473 | * A convenient way of printing the coordinate & flux |
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| 474 | * values for each pixel in the Detection |
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[86] | 475 | * --> use as front end to the << operator for Voxels. |
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[3] | 476 | */ |
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| 477 | |
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| 478 | for(int i=0;i<obj.pix.size();i++) theStream << obj.pix[i] << endl; |
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| 479 | theStream<<"---"<<endl; |
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| 480 | } |
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[191] | 481 | //-------------------------------------------------------------------- |
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[3] | 482 | |
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| 483 | Detection combineObjects(Detection &first, Detection &second) |
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| 484 | { |
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| 485 | // make the new object |
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| 486 | Detection *newObject = new Detection; |
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[205] | 487 | for(int ctr=0;ctr<first.getSize();ctr++){ |
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| 488 | newObject->addPixel(first.getPixel(ctr)); |
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[3] | 489 | } |
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[205] | 490 | for(int ctr=0;ctr<second.getSize();ctr++){ |
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| 491 | newObject->addPixel(second.getPixel(ctr)); |
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[3] | 492 | } |
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| 493 | newObject->calcParams(); |
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| 494 | return *newObject; |
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| 495 | } |
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[191] | 496 | //-------------------------------------------------------------------- |
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[3] | 497 | |
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[205] | 498 | vector <Detection> combineLists(vector <Detection> &first, |
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| 499 | vector <Detection> &second) |
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[3] | 500 | { |
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| 501 | // make the new object |
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| 502 | vector <Detection> newList(first.size()+second.size()); |
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| 503 | for(int i=0;i<first.size();i++) newList[i] = first[i]; |
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| 504 | for(int i=0;i<second.size();i++) newList[i+first.size()] = second[i]; |
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| 505 | |
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| 506 | return newList; |
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| 507 | } |
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| 508 | |
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