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Opportunity to change the unit of gadget file

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This commit is contained in:
Guilhem Lavaux 2012-10-23 10:30:13 -04:00
parent 4e89f5eb2c
commit bd3e494732
2 changed files with 13 additions and 2 deletions
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12
mytools/generateMock.cpp
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@ -18,6 +18,8 @@ using namespace CosmoTool;
#define LIGHT_SPEED 299792.458 #define LIGHT_SPEED 299792.458
static double gadgetUnit=1e-3;
SimuData *doLoadRamses(const char *basename, int baseid, int velAxis, bool goRedshift) SimuData *doLoadRamses(const char *basename, int baseid, int velAxis, bool goRedshift)
{ {
SimuData *d, *outd; SimuData *d, *outd;
@ -65,7 +67,13 @@ SimuData *doLoadRamses(const char *basename, int baseid, int velAxis, bool goRed
SimuData *myLoadGadget(const char *fname, int id, int flags) SimuData *myLoadGadget(const char *fname, int id, int flags)
{ {
return loadGadgetMulti(fname, id, flags); SimuData *sim = loadGadgetMulti(fname, id, flags);
sim->BoxSize *= gadgetUnit;
for (int j = 0; j < 3; j++)
for (long i = 0; i < sim->NumPart; i++)
sim->Pos[j][i] *= gadgetUnit;
return sim;
} }
SimuData *doLoadSimulation(const char *gadgetname, int velAxis, bool goRedshift, SimuData *(*loadFunction)(const char *fname, int id, int flags)) SimuData *doLoadSimulation(const char *gadgetname, int velAxis, bool goRedshift, SimuData *(*loadFunction)(const char *fname, int id, int flags))
@ -490,6 +498,8 @@ int main(int argc, char **argv)
generateMock_conf_print_version(); generateMock_conf_print_version();
gadgetUnit=args_info.gadgetUnit_arg;
if (args_info.ramsesBase_given || args_info.ramsesId_given) if (args_info.ramsesBase_given || args_info.ramsesId_given)
{ {
if (args_info.ramsesBase_given && args_info.ramsesId_given) if (args_info.ramsesBase_given && args_info.ramsesId_given)

1
mytools/generateMock.ggo
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@ -30,3 +30,4 @@ option "cosmo" - "Apply cosmological redshift" flag on
option "subsample" - "Subsample the input simulation by the specified amount" double optional option "subsample" - "Subsample the input simulation by the specified amount" double optional
option "inputParameter" - "Input geometry (optional, warning!)" string optional option "inputParameter" - "Input geometry (optional, warning!)" string optional
option "gadgetUnit" - "Unit of length in gadget file in Mpc/h" double optional default="0.001"