| 1 | /* ------------------------ Projet BAORadio --------------------
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| 2 | Programme de calcul du spectre de puissance (3D) a partir d'un
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| 3 | cube de delta T/T LSS, d'un cube delta T/T LSS synchrotron
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| 4 | ou radio-sources, apres ajustement / soustraction d'une loi de
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| 5 | puissance en frequence (l'axe Z du tableau doit etre en frequence)
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| 6 |
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| 7 | R. Ansari , C. Magneville - Juin 2010
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| 8 |
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| 9 | Usage: calcpk2 [-t -g -mxr val] InMapLSS convFacLSS InMapSync convFacSync InMapRadioSource convFacRsc OutPkFile
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| 10 | [PixNoiseLevel] [Diameter/Four2DRespTableFile] [TargetBeamArcmin] [NSigSrcThr]
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| 11 | --------------------------------------------------------------- */
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| 12 |
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| 13 | #include "machdefs.h"
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| 14 | #include "sopnamsp.h"
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| 15 | #include <iostream>
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| 16 | #include <string>
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| 17 | #include <math.h>
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| 18 |
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| 19 | #include <typeinfo>
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| 20 |
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| 21 | #include "specpk.h"
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| 22 | #include "histats.h"
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| 23 | #include "vector3d.h"
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| 24 |
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| 25 | #include "qhist.h"
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| 26 | #include "lobe.h"
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| 27 | #include "cubedef.h"
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| 28 | #include "fgndsub.h"
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| 29 | #include "radutil.h"
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| 30 |
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| 31 | #include "histinit.h"
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| 32 | #include "fftwserver.h"
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| 33 | #include "randr48.h"
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| 34 |
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| 35 | #include "ctimer.h"
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| 36 |
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| 37 | typedef ThSDR48RandGen RandomGenerator ;
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| 38 |
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| 39 | //-------------------------------------------------------------------------
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| 40 | // ------------------ MAIN PROGRAM ------------------------------
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| 41 | //-------------------------------------------------------------------------
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| 42 | /* --Fonction-- */
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| 43 | int main(int narg, const char* arg[])
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| 44 | {
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| 45 | if ( (narg<6)||((narg>1)&&(strcmp(arg[1],"-h")==0)) ) {
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| 46 | cout << " Usage: [-t -g -mxr val -fmt T0,alpha] calcpk2 InMapLSS convFacLSS InMapFgnd convFacFgnd OutPkFile \n"
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| 47 | << " [PixNoiseLevel] [D_Dish/Four2DRespTableFile CorBeamDiam] \n"
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| 48 | << " [NSigSrcThr] [P2/P1] [RecMapFile] " << endl;
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| 49 | if ((narg>1)&&(strcmp(arg[1],"-h")==0)) {
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| 50 | cout << "-t -g : Triangular / gaussian beam shape (def=gaussian) \n"
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| 51 | << "-fmt T0,alpha: fix mean slice temp. according to power law T0,alpha \n "
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| 52 | << "-mxr val: Max beam correction factor (default=10.) \n "
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| 53 | << "- InMapLSS: Input 3D LSS cube (PPF file name) \n "
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| 54 | << "- convFacLSS: LSS cube conversion factor to mK (milliKelvin) \n"
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| 55 | << "- InMapFgnd: Input 3D foreground cube (PPF file name) \n"
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| 56 | << "- convFacFgnd: Foreground cube conversion factor to mK (milliKelvin) \n"
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| 57 | << "- PixNoiseLevel: White noise level per pixel (mK) (default=0.) \n"
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| 58 | << "- D_Dish/Four2DRespTableFile: Dish diameter or 2D (u,v) plane response (PPF file name) \n"
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| 59 | << "- CorBeamDiam: Beam correction target dish diameter \n"
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| 60 | << " These two parameters are used to correct for beam effect for a \n"
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| 61 | << " target beam (independent of frequency) defined by D/Lambda \n"
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| 62 | << " DoL = 100 --> beam ~ 35 arcmin (D=30m @ z~0.5 Lambda~30cm) \n"
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| 63 | << " default : no beam correction applied \n "
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| 64 | << " - NSigSrcThr: Point source cleaning, Nb_Sigmas on stacked 2D temperature \n"
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| 65 | << " default (0.) : no point source cleaning, use NSigSrcThr ~ 3..5 \n"
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| 66 | << " - P2/P1: 2nd/first degree polynomial fit on ln(Temp) = f(ln(freq)) \n "
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| 67 | << " foreground subtraction. default is P2 \n"
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| 68 | << "- RecMapFile: output PPF file for reconstructed foreground template \n"
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| 69 | << " (Temperature,SpectralIndex) and extracted LSS cube \n"
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| 70 | << endl;
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| 71 | return 1;
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| 72 | }
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| 73 | else cout << " calcpk2 -h for detailed usage " << endl;
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| 74 | return 2;
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| 75 | }
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| 76 | Timer tm("calcpk2");
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| 77 | int rc = 0;
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| 78 | try {
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| 79 | bool fggaussian=true; // true -> gaussian beam
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| 80 | double maxratio=10.; // valeur max du rapport des lobes lors de la correction de lobe
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| 81 |
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| 82 | bool fgfix_mXYtemp=false;
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| 83 | double T0_pl=1.;
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| 84 | double alpha_pl=0.;
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| 85 | // decodage argument optionnel
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| 86 | bool fgoptarg=true;
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| 87 | while (fgoptarg) {
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| 88 | string fbo = arg[1];
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| 89 | if (fbo=="-t") { fggaussian=false; arg++; narg--; }
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| 90 | else if (fbo=="-g") { fggaussian=true; arg++; narg--; }
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| 91 | else if (fbo=="-mxr") { arg++; maxratio=atof(arg[1]); arg++; narg-=2; }
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| 92 | else if (fbo=="-fmt")
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| 93 | { fgfix_mXYtemp=true; arg++; sscanf(arg[1],"%lg,%lg",&T0_pl,&alpha_pl); arg++; narg-=2; }
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| 94 | else fgoptarg=false;
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| 95 | }
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| 96 | if (narg < 6) {
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| 97 | cout << " calcpk2/error arguments , applobe -h for help " << endl;
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| 98 | return 2;
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| 99 | }
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| 100 |
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| 101 | string inppflss = arg[1];
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| 102 | r_4 rfaclss = atof(arg[2]);
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| 103 | string inppfsync = arg[3];
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| 104 | r_4 rfacsync = atof(arg[4]);
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| 105 | string outname = arg[5];
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| 106 |
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| 107 | double pixsignoise = 0.;
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| 108 | bool fgaddnoise=false;
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| 109 | if (narg>6) {
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| 110 | pixsignoise=atof(arg[6]);
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| 111 | if (pixsignoise>1.e-6) fgaddnoise=true;
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| 112 | }
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| 113 |
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| 114 | bool fgcorrbeam=true;
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| 115 |
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| 116 | bool fgresptbl=false;
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| 117 | double DIAMETRE=100.;
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| 118 | string resptblname;
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| 119 | if (narg>7) {
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| 120 | if (isdigit(*arg[7])) {
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| 121 | fgresptbl=false;
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| 122 | DIAMETRE=atof(arg[7]);
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| 123 | }
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| 124 | else {
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| 125 | resptblname=arg[7];
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| 126 | fgresptbl=true;
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| 127 | }
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| 128 | }
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| 129 | double tbeamDiam=0.;
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| 130 | if (narg>8) {
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| 131 | tbeamDiam=atof(arg[8]);
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| 132 | if (tbeamDiam<1.) fgcorrbeam=false;
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| 133 | }
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| 134 | bool fgclnsrc=true;
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| 135 | double nsigsrc=5.;
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| 136 | if (narg>9) {
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| 137 | nsigsrc=atof(arg[9]);
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| 138 | if (nsigsrc<1.e-6) fgclnsrc=false;
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| 139 | }
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| 140 | bool fgpoly2=true; // true -> soustraction polynome degre 2
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| 141 | if ((narg>0)&&(strcmp(arg[10],"P1")==0)) fgpoly2=false;
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| 142 | bool fgsavemaps=false;
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| 143 | string outmap_ppfname="extlss.ppf";
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| 144 | if (narg>11) {
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| 145 | outmap_ppfname=arg[11];
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| 146 | fgsavemaps=true;
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| 147 | }
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| 148 |
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| 149 | TArray<r_4> maplss, mapsync;
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| 150 | const char * tits[2]={"LSS", "Sync/RadioSrc"};
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| 151 | for(int ks=0; ks<2; ks++) {
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| 152 | string& ppfname=inppflss;
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| 153 | r_4 rfac=rfaclss;
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| 154 | TArray<r_4>* inmap=&maplss;
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| 155 | if (ks==1) { ppfname=inppfsync; rfac=rfacsync; inmap=&mapsync; }
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| 156 | cout << "calcpk2[" << ks+1 << "] : reading 3D map " << tits[ks] << " from file " << ppfname
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| 157 | << " RenormFactor=" << rfac << endl;
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| 158 | PInPersist pin(ppfname);
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| 159 | pin >> (*inmap);
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| 160 | (*inmap) *= rfac;
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| 161 | double mean, sigma;
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| 162 | MeanSigma(*inmap, mean, sigma);
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| 163 | cout << " ...InMap sizes " << inmap->InfoString() << endl;
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| 164 | inmap->Show();
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| 165 | cout << " ... Mean=" << mean << " Sigma=" << sigma << endl;
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| 166 | }
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| 167 |
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| 168 | bool smo;
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| 169 | if (!maplss.CompareSizes(mapsync,smo) ) {
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| 170 | cout << " calcpk2/ERROR sizes " << endl;
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| 171 | maplss.Show(); mapsync.Show();
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| 172 | return 99;
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| 173 | }
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| 174 |
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| 175 | TArray<r_4> skycube(mapsync);
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| 176 | skycube += maplss;
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| 177 |
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| 178 | if (fgaddnoise) {
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| 179 | cout << " calcpk2: adding noise to skycube cube ... " << endl;
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| 180 | BeamEffect::AddNoise(skycube, pixsignoise);
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| 181 | }
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| 182 |
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| 183 | double mean, sigma;
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| 184 | MeanSigma(skycube, mean, sigma);
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| 185 | cout << " input sky cube : Mean=" << mean << " Sigma=" << sigma << endl;
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| 186 | tm.Split(" After input ");
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| 187 |
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| 188 | H21Conversions conv;
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| 189 | conv.setFrequency(Freq0MHz);
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| 190 | double lambda = conv.getLambda();
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| 191 | Four2DResponse arep(2, DIAMETRE/lambda, DIAMETRE/lambda, lambda);
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| 192 | Four2DResponse* arep_p=&arep;
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| 193 | Four2DRespTable resptbl;
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| 194 | if (fgresptbl) {
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| 195 | cout << "calcpk2[3.a]: initializing Four2DRespTable from file" << resptblname << endl;
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| 196 | resptbl.readFromPPF(resptblname);
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| 197 | resptbl.renormalize(1.);
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| 198 | arep_p=&resptbl;
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| 199 | }
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| 200 | else cout << " calcpk2[3.a]: Four2DResponse ( Diameter=" << DIAMETRE << " Lambda= " << lambda
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| 201 | << " DoL=" << DIAMETRE/lambda << " ) " << endl;
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| 202 |
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| 203 | double DoL = tbeamDiam/lambda;
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| 204 | double tbeamarcmin = RadianToDegree(1.22/DoL)*60.;
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| 205 | int typcb = (fggaussian)?1:2;
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| 206 | // if (fgresptbl) typcb=22;
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| 207 | Four2DResponse tbeam(typcb, DoL, DoL );
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| 208 |
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| 209 | ForegroundCleaner cleaner(*arep_p, tbeam, skycube, maxratio);
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| 210 | if (fgfix_mXYtemp) {
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| 211 | cout << "calcpk2[3.b] : calling cleaner.FixMeanXYTemp(T0=" << T0_pl << ",alpha=" << alpha_pl << ")" << endl;
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| 212 | cleaner.FixMeanXYTemp(T0_pl,alpha_pl);
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| 213 | }
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| 214 | if (fgcorrbeam) {
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| 215 | cout << "calcpk2[3.c] : calling cleaner.BeamCorrections() for target beam Diameter=" << tbeamDiam
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| 216 | << " D/Lambda=" << DoL << " -> arcmin " << tbeamarcmin << " TypDishResp=" << typcb << endl;
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| 217 | cleaner.BeamCorrections();
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| 218 | }
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| 219 | cout << " calcpk2[3.d] : calling cleaner.CleanNegatives() ... " << endl;
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| 220 | cleaner.CleanNegatives();
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| 221 | if (fgclnsrc) {
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| 222 | cout << "calcpk2[3.e] : calling cleaner.CleanPointSources() with threshold NSigma=" << nsigsrc << endl;
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| 223 | cleaner.CleanPointSources(nsigsrc);
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| 224 | }
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| 225 |
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| 226 | cout << "calcpk2[4] : calling cleaner.extractLSSCube(...) " << endl;
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| 227 | TArray<r_4> synctemp, specidx;
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| 228 | TArray<r_4> exlss;
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| 229 | if (fgpoly2) exlss = cleaner.extractLSSCubeP2(synctemp, specidx);
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| 230 | else exlss = cleaner.extractLSSCubeP1(synctemp, specidx);
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| 231 |
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| 232 | MeanSigma(exlss, mean, sigma);
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| 233 | cout << " After cleaning/extractLSS: Mean=" << mean << " Sigma=" << sigma << endl;
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| 234 | tm.Split(" After CleanForeground");
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| 235 |
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| 236 | cout << "calcpk2[5] : computing 3D Fourier coefficients ... " << endl;
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| 237 | FFTWServer ffts;
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| 238 | TArray< complex<r_4> > four3d;
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| 239 | ffts.FFTForward(exlss, four3d);
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| 240 | tm.Split(" After FFTForward ");
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| 241 |
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| 242 | cout << "calcpk2[6] : computing power spectrum ... " << endl;
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| 243 | RandomGenerator rg;
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| 244 | Four3DPk pkc(four3d, rg);
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| 245 | double dkxmpc = DeuxPI/(double)exlss.SizeX()/XCellSizeMpc;
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| 246 | double dkympc = DeuxPI/(double)exlss.SizeY()/YCellSizeMpc;
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| 247 | double dkzmpc = DeuxPI/(double)exlss.SizeZ()/ZCellSizeMpc;
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| 248 | pkc.SetCellSize(dkxmpc, dkympc, dkzmpc);
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| 249 |
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| 250 | HProf hp = pkc.ComputePk(0.,HPk_NBin);
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| 251 |
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| 252 | tm.Split(" Done ComputePk ");
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| 253 | {
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| 254 | cout << "calcpk2[7.a] : writing profile P(k) to " << outname << endl;
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| 255 | POutPersist po(outname);
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| 256 | po << hp;
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| 257 | }
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| 258 | if (fgsavemaps) {
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| 259 | cout << "calcpk2[7.b] : writing foreground maps and extracted LSS to " << outmap_ppfname << endl;
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| 260 | POutPersist pom(outmap_ppfname);
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| 261 | pom << PPFNameTag("Tsync") << synctemp;
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| 262 | pom << PPFNameTag("async") << specidx;
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| 263 | pom << PPFNameTag("extlss") << exlss;
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| 264 | }
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| 265 |
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| 266 | } // End of try bloc
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| 267 | catch (PThrowable & exc) { // catching SOPHYA exceptions
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| 268 | cerr << " calcpk2.cc: Catched Exception (PThrowable)" << (string)typeid(exc).name()
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| 269 | << "\n...exc.Msg= " << exc.Msg() << endl;
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| 270 | rc = 99;
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| 271 | }
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| 272 | catch (std::exception & e) { // catching standard C++ exceptions
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| 273 | cerr << " calcpk2.cc: Catched std::exception " << " - what()= " << e.what() << endl;
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| 274 | rc = 98;
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| 275 | }
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| 276 | catch (...) { // catching other exceptions
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| 277 | cerr << " calcpk2.cc: some other exception (...) was caught ! " << endl;
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| 278 | rc = 97;
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| 279 | }
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| 280 | cout << " ==== End of calcpk2.cc program Rc= " << rc << endl;
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| 281 | return rc;
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| 282 | }
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| 283 |
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| 284 |
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