source: Sophya/trunk/Cosmo/SimLSS/genefluct3d.h@ 3377

Last change on this file since 3377 was 3358, checked in by cmv, 18 years ago

suppression et rename de TurnMass2MeanNumber , cmv 23/10/2007
File size: 6.1 KB
Line 
1#ifndef GENEFLUCT3D_SEEN
2#define GENEFLUCT3D_SEEN
3
4#include "machdefs.h"
5#include <math.h>
6#include "genericfunc.h"
7#include "tarray.h"
8#include "histerr.h"
9#include "hist2err.h"
10#include "perandom.h"
11
12#include "FFTW/fftw3.h"
13#include "FitsIO/fitsio.h"
14
15#include <vector>
16
17#include "cosmocalc.h"
18#include "pkspectrum.h"
19
20
21namespace SOPHYA {
22
23//-----------------------------------------------------------------------------------
24class GeneFluct3D {
25public:
26 GeneFluct3D(long nx,long ny,long nz,double dx,double dy,double dz,unsigned short nthread=0,int lp=0); // Mpc
27 GeneFluct3D(unsigned short nthread=0);
28 virtual ~GeneFluct3D(void);
29
30 // Distance los comobile a l'observateur
31 void SetObservator(double redshref=0.,double kredshref=0.);
32 inline double DXcom(long i) {return i*Dx_ - xobs_[0];}
33 inline double DYcom(long j) {return j*Dy_ - xobs_[1];}
34 inline double DZcom(long k) {return k*Dz_ - xobs_[2];}
35 inline double Dcom(long i,long j,long k) {
36 double dx=DXcom(i), dy=DYcom(j), dz=DZcom(k);
37 return sqrt(dx*dx+dy*dy+dz*dz);
38 }
39 void SetCosmology(CosmoCalc& cosmo);
40 void SetGrowthFactor(GrowthFactor& growth);
41 long LosComRedshift(double zinc=0.001,long npoints=-1);
42
43 TArray< complex<r_8> >& GetComplexArray(void) {return T_;}
44 fftw_complex* GetComplexPointer(void) {return fdata_;}
45 TArray<r_8>& GetRealArray(void) {return R_;}
46 r_8* GetRealPointer(void) {return data_;}
47
48 // Pour adressage data_[ip]
49 inline int_8 IndexR(long i,long j,long k) {return (int_8)(k+NTz_*(j+Ny_*i));}
50 // Pour adressage fdata_[ip][0-1]
51 inline int_8 IndexC(long i,long j,long k) {return (int_8)(k+NCz_*(j+Ny_*i));}
52 // On peut aussi adresser:
53 // TArray< complex<r_8> >& pk = gf3d.GetComplexArray();
54 // pk(k,j,i) avec k=[0,NCz_[ j=[0,Ny_[ i=[0,Nx_[
55 // pk[IndexC(i,j,k)]
56 // TArray<r_8>& rgen = gf3d.GetRealArray();
57 // rgen(k,j,i) avec k=[0,NTz_[ j=[0,Ny_[ i=[0,Nx_[
58 // mais seul k=[0,Nz_[ est utile
59 // rgen[IndexR(i,j,k)]
60 // ATTENTION: TArray adresse en memoire a l'envers du C !
61 // Tarray(n1,n2,n3) == Carray[n3][n2][n1]
62
63 vector<long> GetNpix(void) {return N_;}
64 int_8 NPix(void) {return NRtot_;}
65 long GetNx(void) {return Nx_;}
66 long GetNy(void) {return Ny_;}
67 long GetNz(void) {return Nz_;}
68
69 // Return |K_i| module relative to pixel indices
70 inline r_8 Kx(long i) {long ii=(i>Nx_/2)? Nx_-i :i; return ii*Dkx_;}
71 inline r_8 Ky(long j) {long jj=(j>Ny_/2)? Ny_-j :j; return jj*Dky_;}
72 inline r_8 Kz(long l) {return l*Dkz_;}
73
74 vector<r_8> GetDinc(void) {return D_;}
75 double GetDVol(void) {return dVol_;}
76 double GetVol(void) {return Vol_;}
77
78 vector<r_8> GetKinc(void) {return Dk_;}
79 vector<r_8> GetKnyq(void) {return Knyq_;}
80 double GetKmax(void) {return sqrt(Knyqx_*Knyqx_+Knyqy_*Knyqy_+Knyqz_*Knyqz_);}
81 double GetKTmax(void) {return sqrt(Knyqx_*Knyqx_+Knyqy_*Knyqy_);}
82 double GetKincMin(void)
83 {vector<r_8>::const_iterator it = min_element(Dk_.begin(), Dk_.end()); return *it;}
84 double GetKincMax(void)
85 {vector<r_8>::const_iterator it = max_element(Dk_.begin(), Dk_.end()); return *it;}
86 double GetKTincMin(void) {return min(Dk_[0],Dk_[1]);}
87 double GetKTincMax(void) {return max(Dk_[0],Dk_[1]);}
88
89 void ComputeFourier0(GenericFunc& pk_at_z);
90 void ComputeFourier(GenericFunc& pk_at_z);
91 void FilterByPixel(void);
92
93 void ComputeReal(void);
94 void ApplyGrowthFactor(int type_evol=1);
95
96 void ReComputeFourier(void);
97
98 int ComputeSpectrum(HistoErr& herr);
99 int ComputeSpectrum2D(Histo2DErr& herr);
100 int ComputeSpectrum(HistoErr& herr,double sigma,bool pixcor);
101 int ComputeSpectrum2D(Histo2DErr& herr,double sigma,bool pixcor);
102
103 int_8 VarianceFrReal(double R,double& var);
104 int_8 MeanSigma2(double& rm,double& rs2,double vmin=1.,double vmax=-1.
105 ,bool useout=false,double vout=0.);
106 int_8 MinMax(double& xmin,double& xmax,double vmin=1.,double vmax=-1.);
107 int_8 NumberOfBad(double vmin=-1.e+150,double vmax=1.e+150);
108 int_8 SetToVal(double vmin, double vmax,double val0=0.);
109 void ScaleOffset(double scalecube=1.,double offsetcube=0.);
110
111 void TurnFluct2Mass(void);
112 double TurnFluct2MeanNumber(double val_by_mpc3);
113 double ApplyPoisson(void);
114 double TurnNGal2Mass(FunRan& massdist,bool axeslog=false);
115 double TurnNGal2MassQuick(SchechterMassDist& schmdist);
116 double TurnMass2Flux(void);
117 //void AddAGN(double lfjy,double lsigma,double powlaw=0.);
118 void AddNoise2Real(double snoise,int type_evol=0);
119
120 void WriteFits(string cfname,int bitpix=FLOAT_IMG);
121 void ReadFits(string cfname);
122
123 void WritePPF(string cfname,bool write_real=true);
124 void ReadPPF(string cfname);
125 void WriteSlicePPF(string cfname);
126
127 void SetPrtLevel(int lp=0) {lp_ = lp;}
128 void Print(void);
129
130//-------------------------------------------------------------------
131
132protected:
133 void init_default(void);
134 void setsize(long nx,long ny,long nz,double dx,double dy,double dz);
135 void setalloc(void);
136 void setpointers(bool from_real);
137 void init_fftw(void);
138 void delete_fftw(void);
139 long manage_coefficients(void);
140 double compute_power_carte(void);
141 void check_array_alloc(void);
142 inline double pixelfilter(double x)
143 {return (x<0.025) ? 1.-x*x/6.*(1.-x*x/20.): sin(x)/x;}
144
145 // valeurs dans l'espace reel
146 long Nx_,Ny_,Nz_; vector<long> N_;
147 long NCz_,NTz_;
148 int_8 NRtot_;
149
150 double Dx_,Dy_,Dz_; vector<double> D_;
151
152 // valeurs dans l'espace des K
153 double Dkx_,Dky_,Dkz_; vector<double> Dk_;
154 double Knyqx_,Knyqy_,Knyqz_; vector<double> Knyq_;
155 double Dk3_;
156 double dVol_, Vol_;
157
158 // la gestion de la FFT
159 bool is_set_fftw_plan;
160 fftw_plan pf_,pb_;
161 unsigned short nthread_;
162 int lp_;
163
164 // le stockage du Cube de donnees et les pointeurs
165 bool array_allocated_; // true if array has been allocated
166 TArray< complex<r_8> > T_;
167 fftw_complex *fdata_;
168 TArray<r_8> R_;
169 double *data_;
170
171 // l'observateur
172 CosmoCalc *cosmo_;
173 GrowthFactor *growth_;
174 double redsh_ref_,kredsh_ref_,dred_ref_;
175 double loscom_ref_,dtrc_ref_, dlum_ref_, dang_ref_;
176 double nu_ref_, dnu_ref_ ;
177 double xobs_[3];
178 double loscom_min_, loscom_max_;
179 vector<double> zred_, loscom_;
180 double loscom2zred_min_, loscom2zred_max_;
181 vector<double> loscom2zred_;
182
183};
184
185} // Fin du namespace SOPHYA
186
187#endif
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