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Reshift zero

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This commit is contained in:
Guilhem Lavaux 2011-02-25 16:08:42 -05:00
parent 3f3ecfa8a2
commit 18a0b5d6cc
2 changed files with 7 additions and 4 deletions
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7
mytools/generateMock.cpp
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@ -100,7 +100,7 @@ Interpolate make_cosmological_redshift(double OM, double OL, double z0, double z
return buildFromVector(pairs);
}
void metricTransform(SimuData *data, int axis)
void metricTransform(SimuData *data, int axis, bool reshift)
{
int x0, x1, x2;
@ -121,6 +121,7 @@ void metricTransform(SimuData *data, int axis)
Interpolate z_vs_D = make_cosmological_redshift(data->Omega_M, data->Omega_Lambda, 0., 2.0); // Redshift 2 should be sufficient ?
double z0 = 1/data->time - 1;
double z_base = reshift ? z0 : 0;
TotalExpansion e_computer;
double baseComovingDistance;
@ -141,7 +142,7 @@ void metricTransform(SimuData *data, int axis)
double reduced_red = (z + baseComovingDistance)*100./LIGHT_SPEED;
// Distorted redshift
z = z_vs_D.compute(reduced_red)*LIGHT_SPEED/100.;
z = (z_vs_D.compute(reduced_red)-z_base)*LIGHT_SPEED/100.;
// Add peculiar velocity
z += v/100;
}
@ -320,7 +321,7 @@ int main(int argc, char **argv)
cout << "Omega_M = " << simu->Omega_M << endl;
cout << "Omega_Lambda = " << simu->Omega_Lambda << endl;
metricTransform(simu, args_info.axis_arg);
metricTransform(simu, args_info.axis_arg, args_info.preReShift_flag);
makeBox(simu, simuOut, args_info);
delete simu;

4
mytools/generateMock.ggo
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@ -17,4 +17,6 @@ option "rangeX_max" - "Maximum range in X for making the box" double require
option "rangeY_min" - "Minimum range in Y for making the box" double required
option "rangeY_max" - "Maximum range in Y for making the box" double required
option "rangeZ_min" - "Minimum range in Z for making the box (after distortion)" double required
option "rangeZ_max" - "Maximum range in Z for making the box (after distortion)" double required
option "rangeZ_max" - "Maximum range in Z for making the box (after distortion)" double required
option "preReShift" - "Reshift the zero of the Z axis" flag off