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changes output_art.cc

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jonorbe 2012-07-19 20:26:19 +02:00
parent aa80db066a
commit 6d43639fc6
1 changed files with 13 additions and 5 deletions
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18
plugins/output_art.cc
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@ -48,8 +48,11 @@ protected:
float Wp5; //
float Ocurv; //Omega_k
//float Omb0; // this parameter only appears in header in hydro runs
float wpart[10]; // extras[0-9] particle masses (normalized to low res particle)
int lpart[10]; // extras[10-19] number of particles of each type
float wpart[10]; // extras[0-9] particle masses from high res to low res (normalized to low res particle)
// Mass of smallest particle=wpart[0]*0m0*2.746e+11*(Box/NGRID)**3 -> Msun/h
// Mass of largest particle=wpart[nspecies-1]*0m0*2.746e+11*(Box/NGRID)**3 -> Msun/h
int lpart[10]; // extras[10-19] number of particles from high res to low res cumulative!!!
//(i.e., lpart[0]=Nhigh res particles; lpart[1]=lpart[0]+N_this_level; etc) so lpart[nspecies-1]=N total
float extras[80]; //extras[20-99]
//extras[9]=iLblock ->0 in IC
//extras[10]=LevMin ->0 in IC
@ -137,11 +140,16 @@ public:
// which has the structure: X(Npage),Y(Npage),Z(Npage),
// Vx(Npage),Vy(Npage),Vz(Npage).
///The number of particles in each page (Npage) is Npage = Nrow**2
// Npages = (N_particles -1)/NPAGE +1
// so in last page sometimes can be tricky
// N_in_last=N_particles -NPAGE*(Npages-1)
// There are NO Fortran size blocks pre or after these blocks!!
//// Contradiction with documentation?? one file for each type of particle
// however Daniel sent me just one file for a zoom.
//coordinates are in the range 1 - (NGRID+1)
C //velocities are P = a_expansion*V_pec/(x_0H_0) where x_0 = comoving cell_size=Box/Ngrid;H_0 = Hubble at z=0
// so scale factor is scaleX = Box/NGRID -> to Mpc/h (Box in Mpc/h)
//velocities are P = a_expansion*V_pec/(x_0H_0) where x_0 = comoving cell_size=Box/Ngrid;H_0 = Hubble at z=0
// so scale factor is scaleV = BoxV/AEXPN/NGRID -> to km/s (BoxV is Box*100; aexpn=current expansion factor)
// Contradiction with documentation?? one file for each type of particle
// however Daniel sent me just one file for a zoom all particle info together.
}