cosmotool/sample/graficToDensity.cpp

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#include <cmath>
#include <iostream>
#include <cstdlib>
#include <boost/multi_array.hpp>
#include <H5Cpp.h>
#include "hdf5_array.hpp"
#include "miniargs.hpp"
#include "fortran.hpp"
using namespace std;
using namespace CosmoTool;
//#define GRAFIC_GUILHEM
int main(int argc, char **argv)
{
uint32_t res;
char *fname;
int id;
MiniArgDesc desc[] = {
{ "GRAFIC", &fname, MINIARG_STRING },
{ 0, 0, MINIARG_NULL }
};
if (!parseMiniArgs(argc, argv, desc))
return 1;
UnformattedRead ur(fname);
ur.beginCheckpoint();
int32_t nx = ur.readInt32();
int32_t ny = ur.readInt32();
int32_t nz = ur.readInt32();
float dx = ur.readReal32();
float xo = ur.readReal32();
float yo = ur.readReal32();
float zo = ur.readReal32();
float astart = ur.readReal32();
float omega_m = ur.readReal32();
float omega_nu = ur.readReal32();
float h0 = ur.readReal32();
#ifdef GRAFIC_GUILHEM
float w0 = ur.readReal32();
#endif
ur.endCheckpoint();
cout << "Grafic file: Nx=" << nx << " Ny=" << ny << " Nz=" << nz << endl;
cout << "a_start = " << astart << endl;
cout << "z_start = " << 1/astart - 1 << endl;
cout << "L = " << nx*dx << endl;
boost::multi_array<float, 3> density(boost::extents[nx][ny][nz]);
for (int32_t iz = 0; iz < nz; iz++)
{
ur.beginCheckpoint();
for (int32_t iy = 0; iy < ny; iy++)
{
for (int32_t ix = 0; ix < nx; ix++)
{
density[ix][iy][iz] = ur.readReal32();
}
}
ur.endCheckpoint();
}
H5::H5File f("density.h5", H5F_ACC_TRUNC);
hdf5_write_array(f, "density", density);
return 0;
}