source: Sophya/trunk/Cosmo/RadioBeam/calcpk2.cc@ 3948

Last change on this file since 3948 was 3830, checked in by ansari, 15 years ago

Amelioration soustraction des avant-plans par l'introduction d'un fit polynome deg 2 sur ln(Temp)=f(ln(freq)), Reza 04/08/2010

File size: 8.8 KB
Line 
1/* ------------------------ Projet BAORadio --------------------
2 Programme de calcul du spectre de puissance (3D) a partir d'un
3 cube de delta T/T LSS, d'un cube delta T/T LSS synchrotron
4 ou radio-sources, apres ajustement / soustraction d'une loi de
5 puissance en frequence (l'axe Z du tableau doit etre en frequence)
6
7 R. Ansari , C. Magneville - Juin 2010
8
9Usage: calcpk2 InMapLSS convFacLSS InMapSync convFacSync InMapRadioSource convFacRsc OutPkFile
10 [PixNoiseLevel] [Diameter/Four2DRespTableFile] [TargetBeamArcmin] [NSigSrcThr]
11--------------------------------------------------------------- */
12
13#include "machdefs.h"
14#include "sopnamsp.h"
15#include <iostream>
16#include <string>
17#include <math.h>
18
19#include <typeinfo>
20
21#include "specpk.h"
22#include "histats.h"
23#include "vector3d.h"
24
25#include "qhist.h"
26#include "lobe.h"
27#include "cubedef.h"
28#include "fgndsub.h"
29#include "radutil.h"
30
31#include "histinit.h"
32#include "fftwserver.h"
33#include "randr48.h"
34
35#include "ctimer.h"
36
37typedef ThSDR48RandGen RandomGenerator ;
38
39//-------------------------------------------------------------------------
40// ------------------ MAIN PROGRAM ------------------------------
41//-------------------------------------------------------------------------
42/* --Fonction-- */
43int main(int narg, const char* arg[])
44{
45 if ( (narg<6)||((narg>1)&&(strcmp(arg[1],"-h")==0)) ) {
46 cout << " Usage: calcpk2 InMapLSS convFacLSS InMapFgnd convFacFgnd OutPkFile \n"
47 << " [PixNoiseLevel] [D_Dish/Four2DRespTableFile CorBeamDoL] \n"
48 << " [NSigSrcThr] [P2/P1] [RecMapFile] " << endl;
49 if ((narg>1)&&(strcmp(arg[1],"-h")==0)) {
50 cout << "- InMapLSS: Input 3D LSS cube (PPF file name) \n "
51 << "- convFacLSS: LSS cube conversion factor to mK (milliKelvin) \n"
52 << "- InMapFgnd: Input 3D foreground cube (PPF file name) \n"
53 << "- convFacFgnd: Foreground cube conversion factor to mK (milliKelvin) \n"
54 << "- PixNoiseLevel: White noise level per pixel (mK) (default=0.) \n"
55 << "- D_Dish/Four2DRespTableFile: Dish diameter or 2D (u,v) plane response (PPF file name) \n"
56 << "- CorBeamDoL: Beam correction target Diameter/Lambda \n"
57 << " These two parameters are used to correct for beam effect for a \n"
58 << " target beam (independent of frequency) defined by D/Lambda \n"
59 << " DoL = 100 --> beam ~ 35 arcmin (D=30m @ z~0.5) \n"
60 << " default : no beam correction applied \n "
61 << " - NSigSrcThr: Point source cleaning, Nb_Sigmas on stacked 2D temperature \n"
62 << " default : no point source cleaning, use NSigSrcThr ~ 3..5 \n"
63 << " - P2/P1: 2nd/first degree polynomial fit on ln(Temp) = f(ln(freq)) \n "
64 << " foreground subtraction. default is P2 \n"
65 << "- RecMapFile: output PPF file for reconstructed foreground template \n"
66 << " (Temperature,SpectralIndex) and extracted LSS cube \n"
67 << endl;
68 return 1;
69 }
70 else cout << " calcpk2 -h for detailed usage " << endl;
71 return 2;
72 }
73 Timer tm("calcpk2");
74 int rc = 0;
75 try {
76 string inppflss = arg[1];
77 r_4 rfaclss = atof(arg[2]);
78 string inppfsync = arg[3];
79 r_4 rfacsync = atof(arg[4]);
80 string outname = arg[5];
81
82 double pixsignoise = 0.;
83 bool fgaddnoise=false;
84 if (narg>6) {
85 pixsignoise=atof(arg[6]);
86 if (pixsignoise>1.e-6) fgaddnoise=true;
87 }
88
89 bool fgcorrbeam=true;
90
91 bool fgresptbl=false;
92 double DIAMETRE=100.;
93 string resptblname;
94 if (narg>7) {
95 if (isdigit(*arg[7])) {
96 fgresptbl=false;
97 DIAMETRE=atof(arg[7]);
98 }
99 else {
100 resptblname=arg[7];
101 fgresptbl=true;
102 }
103 }
104 double tbeamDoL=0.;
105 if (narg>8) {
106 tbeamDoL=atof(arg[8]);
107 if (tbeamDoL<1.) fgcorrbeam=false;
108 }
109 bool fgclnsrc=true;
110 double nsigsrc=5.;
111 if (narg>9) {
112 nsigsrc=atof(arg[9]);
113 if (nsigsrc<1.e-6) fgclnsrc=false;
114 }
115 bool fgpoly2=true; // true -> soustraction polynome degre 2
116 if ((narg>0)&&(strcmp(arg[10],"P1")==0)) fgpoly2=false;
117 bool fgsavemaps=false;
118 string outmap_ppfname="extlss.ppf";
119 if (narg>11) {
120 outmap_ppfname=arg[11];
121 fgsavemaps=true;
122 }
123
124 TArray<r_4> maplss, mapsync;
125 const char * tits[2]={"LSS", "Sync/RadioSrc"};
126 for(int ks=0; ks<2; ks++) {
127 string& ppfname=inppflss;
128 r_4 rfac=rfaclss;
129 TArray<r_4>* inmap=&maplss;
130 if (ks==1) { ppfname=inppfsync; rfac=rfacsync; inmap=&mapsync; }
131 cout << "calcpk2[" << ks+1 << "] : reading 3D map " << tits[ks] << " from file " << ppfname
132 << " RenormFactor=" << rfac << endl;
133 PInPersist pin(ppfname);
134 pin >> (*inmap);
135 (*inmap) *= rfac;
136 double mean, sigma;
137 MeanSigma(*inmap, mean, sigma);
138 cout << " ...InMap sizes " << inmap->InfoString() << endl;
139 inmap->Show();
140 cout << " ... Mean=" << mean << " Sigma=" << sigma << endl;
141 }
142
143 bool smo;
144 if (!maplss.CompareSizes(mapsync,smo) ) {
145 cout << " calcpk2/ERROR sizes " << endl;
146 maplss.Show(); mapsync.Show();
147 return 99;
148 }
149
150 TArray<r_4> skycube(mapsync);
151 skycube += maplss;
152
153 if (fgaddnoise) {
154 cout << " calcpk2: adding noise to skycube cube ... " << endl;
155 BeamEffect::AddNoise(skycube, pixsignoise);
156 }
157
158 double mean, sigma;
159 MeanSigma(skycube, mean, sigma);
160 cout << " input sky cube : Mean=" << mean << " Sigma=" << sigma << endl;
161 tm.Split(" After input ");
162
163 H21Conversions conv;
164 conv.setFrequency(Freq0MHz);
165 double lambda = conv.getLambda();
166 Four2DResponse arep(2, DIAMETRE/lambda, DIAMETRE/lambda, lambda);
167 Four2DResponse* arep_p=&arep;
168 Four2DRespTable resptbl;
169 if (fgresptbl) {
170 cout << "calcpk2[3.a]: initializing Four2DRespTable from file" << resptblname << endl;
171 resptbl.readFromPPF(resptblname);
172 arep_p=&resptbl;
173 }
174 else cout << " calcpk2[3.a]: Four2DResponse ( Diameter=" << DIAMETRE << " Lambda= " << lambda
175 << " DoL=" << DIAMETRE/lambda << " ) " << endl;
176
177 double DoL = tbeamDoL;
178 double tbeamarcmin = RadianToDegree(1.22/DoL)*60.;
179 int typcb = 2;
180 // if (fgresptbl) typcb=22;
181 Four2DResponse tbeam(typcb, DoL, DoL );
182
183 ForegroundCleaner cleaner(*arep_p, tbeam, skycube);
184 if (fgcorrbeam) {
185 cout << "calcpk2[3.b] : calling cleaner.BeamCorrections() for target beam D/Lambda=" << DoL
186 << " -> arcmin " << tbeamarcmin << " TypDishResp=" << typcb << endl;
187 cleaner.BeamCorrections();
188 }
189 cout << " calcpk2[3.c] : calling cleaner.CleanNegatives() ... " << endl;
190 cleaner.CleanNegatives();
191 if (fgclnsrc) {
192 cout << "calcpk2[3.d] : calling cleaner.CleanPointSources() with threshold NSigma=" << nsigsrc << endl;
193 cleaner.CleanPointSources(nsigsrc);
194 }
195
196 cout << "calcpk2[4] : calling cleaner.extractLSSCube(...) " << endl;
197 TArray<r_4> synctemp, specidx;
198 TArray<r_4> exlss;
199 if (fgpoly2) exlss = cleaner.extractLSSCubeP2(synctemp, specidx);
200 else exlss = cleaner.extractLSSCubeP1(synctemp, specidx);
201
202 MeanSigma(exlss, mean, sigma);
203 cout << " After cleaning/extractLSS: Mean=" << mean << " Sigma=" << sigma << endl;
204 tm.Split(" After CleanForeground");
205
206 cout << "calcpk2[5] : computing 3D Fourier coefficients ... " << endl;
207 FFTWServer ffts;
208 TArray< complex<r_4> > four3d;
209 ffts.FFTForward(exlss, four3d);
210 tm.Split(" After FFTForward ");
211
212 cout << "calcpk2[6] : computing power spectrum ... " << endl;
213 RandomGenerator rg;
214 Four3DPk pkc(four3d, rg);
215 double dkxmpc = DeuxPI/(double)exlss.SizeX()/XCellSizeMpc;
216 double dkympc = DeuxPI/(double)exlss.SizeY()/YCellSizeMpc;
217 double dkzmpc = DeuxPI/(double)exlss.SizeZ()/ZCellSizeMpc;
218 pkc.SetCellSize(dkxmpc, dkympc, dkzmpc);
219
220 HProf hp = pkc.ComputePk(0.,256);
221
222 tm.Split(" Done ComputePk ");
223 {
224 cout << "calcpk2[7.a] : writing profile P(k) to " << outname << endl;
225 POutPersist po(outname);
226 po << hp;
227 }
228 if (fgsavemaps) {
229 cout << "calcpk2[7.b] : writing foreground maps and extracted LSS to " << outmap_ppfname << endl;
230 POutPersist pom(outmap_ppfname);
231 pom << PPFNameTag("Tsync") << synctemp;
232 pom << PPFNameTag("async") << specidx;
233 pom << PPFNameTag("extlss") << exlss;
234 }
235
236 } // End of try bloc
237 catch (PThrowable & exc) { // catching SOPHYA exceptions
238 cerr << " calcpk2.cc: Catched Exception (PThrowable)" << (string)typeid(exc).name()
239 << "\n...exc.Msg= " << exc.Msg() << endl;
240 rc = 99;
241 }
242 catch (std::exception & e) { // catching standard C++ exceptions
243 cerr << " calcpk2.cc: Catched std::exception " << " - what()= " << e.what() << endl;
244 rc = 98;
245 }
246 catch (...) { // catching other exceptions
247 cerr << " calcpk2.cc: some other exception (...) was caught ! " << endl;
248 rc = 97;
249 }
250 cout << " ==== End of calcpk2.cc program Rc= " << rc << endl;
251 return rc;
252}
253
254
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