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pNvsX
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Fri, Apr 25, 12:09

pNvsX
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#!/usr/bin/env python
from optparse import OptionParser
import Ptools as pt
from pNbody import *
from pNbody import units
from pNbody import ctes
from pNbody import thermodyn
import string
from scipy import optimize
def parse_options():
usage = "usage: %prog [options] file"
parser = OptionParser(usage=usage)
parser = pt.add_postscript_options(parser)
parser = pt.add_ftype_options(parser)
parser = pt.add_reduc_options(parser)
parser = pt.add_center_options(parser)
parser = pt.add_select_options(parser)
parser = pt.add_cmd_options(parser)
parser = pt.add_display_options(parser)
parser = pt.add_info_options(parser)
parser = pt.add_limits_options(parser)
parser = pt.add_log_options(parser)
parse = pt.add_units_options(parser)
parser.add_option("--x",
action="store",
dest="x",
type="string",
default = 'r',
help="x value to plot",
metavar=" STRING")
parser.add_option("--nx",
action="store",
type="int",
dest="nx",
default = 14,
help="number of bins")
parser.add_option("--forceComovingIntegrationOn",
action="store_true",
dest="forceComovingIntegrationOn",
default = False,
help="force the model to be in in comoving integration")
parser.add_option("--curve",
action="store_true",
dest="curve",
default = False,
help="draw curve instead of histogram")
(options, args) = parser.parse_args()
pt.check_files_number(args)
files = args
return files,options
def get_value_and_label(nb,val):
if val == 'R':
label = r'$\rm{Radius}\,\left[ kpc \right]$'
out_units = units.UnitSystem('local',[units.Unit_kpc,units.Unit_Ms,units.Unit_Myr,units.Unit_K])
val = nb.Rxyz(units=out_units.UnitLength)
return val,label
elif val == 'T':
label = r'$\rm{Temperature}\,\left[ \rm{K} \right]$'
val = nb.T()
return val,label
elif val == 'logT':
label = r'$\rm{log\,Temperature}\,\left[ \rm{K} \right]$'
val = nb.T()
val = log10(val)
return val,label
elif val == 'rho':
label = r'$\rm{Density}\,\left[ \rm{atom/cm^3} \right]$'
Unit_atom = ctes.PROTONMASS.into(units.cgs)*units.Unit_g
Unit_atom.set_symbol('atom')
out_units = units.UnitSystem('local',[units.Unit_cm,Unit_atom,units.Unit_s,units.Unit_K])
val = nb.Rho(units=out_units.UnitDensity)
return val,label
elif val == 'logrho':
label = r'$\rm{log\,Density}\,\left[ \rm{atom/cm^3} \right]$'
Unit_atom = ctes.PROTONMASS.into(units.cgs)*units.Unit_g
Unit_atom.set_symbol('atom')
out_units = units.UnitSystem('local',[units.Unit_cm,Unit_atom,units.Unit_s,units.Unit_K])
val = nb.Rho(units=out_units.UnitDensity)
val = log10(val)
return val,label
elif val == 'Tcool':
label = r'$\rm{Cooling\,Time}\,\left[ \rm{Myr} \right]$'
out_units = units.UnitSystem('local',[units.Unit_kpc,units.Unit_Ms,units.Unit_Myr,units.Unit_K])
val = nb.Tcool(units=out_units.UnitTime)
return val,label
# old implementation
#
# val = nb.Tcool()
#
## convert in Myr
#outputunits = units.UnitSystem('mks',[units.Unit_kpc, units.Unit_Ms, units.Unit_Myr , units.Unit_K, units.Unit_mol, units.Unit_C])
#codeunits = nb.localsystem_of_units
#
#FACT = units.PhysCte(1,codeunits.UnitDic['s'])
#FACT = FACT.into(outputunits)
#
#val = val*FACT /1e3 # in Gyr
#return val,label
elif val == 'Age':
label = r'$\rm{Age}\,\left[ \rm{Gyr} \right]$'
out_units = units.UnitSystem('local',[units.Unit_kpc,units.Unit_Ms,units.Unit_Gyr,units.Unit_K])
val = nb.StellarAge(units=out_units.UnitTime)
return val,label
elif val == 'aFe':
label = r'$\left[ \rm{Fe}/\rm{H} \right]$'
val = nb.metals[:,0]
return val,label
elif val == 'aMgFe':
label = r'$\left[ \rm{Fe}/\rm{H} \right]$'
val = nb.metals[:,1]/(nb.metals[:,0]+1e-20)
return val,label
elif val == 'Fe':
label = r'$\left[ \rm{Fe}/\rm{H} \right]$'
val = nb.Fe()
return val,label
elif val == 'Mg':
label = r'$\left[ \rm{Mg}/\rm{H} \right]$'
val = nb.Mg()
return val,label
elif val == 'MgFe':
label = r'$\left[ \rm{Mg}/\rm{Fe} \right]$'
val = nb.MgFe()
return val,label
else:
label = r'%s'%val
print "val = %s"%val
exec("val = %s"%val)
return val, label
#######################################
# MakePlot
#######################################
def MakePlot(files,opt):
# some inits
colors = pt.Colors(n=len(files))
# read files
for file in files:
nb = Nbody(file,ftype=opt.ftype)
################
# units
################
# define local units
unit_params = pt.do_units_options(opt)
nb.set_local_system_of_units(params=unit_params)
# define output units
# nb.ToPhysicalUnits()
if opt.forceComovingIntegrationOn:
nb.setComovingIntegrationOn()
################
# apply options
################
nb = pt.do_reduc_options(nb,opt)
nb = pt.do_select_options(nb,opt)
nb = pt.do_center_options(nb,opt)
nb = pt.do_cmd_options(nb,opt)
nb = pt.do_info_options(nb,opt)
nb = pt.do_display_options(nb,opt)
################
# some info
################
print "---------------------------------------------------------"
nb.localsystem_of_units.info()
nb.ComovingIntegrationInfo()
print "---------------------------------------------------------"
################
# get values
################
x,xlabel = get_value_and_label(nb,opt.x)
# do the 1d histogram
G = libgrid.Generic_1d_Grid(opt.xmin,opt.xmax,opt.nx)
#y = G.get_MassMap(x,nb.mass)/sum(nb.mass) # mass weighted
y = G.get_MassMap(x,ones(nb.nbody))/nb.nbody
x = G.get_r()
if not opt.curve:
pt.bar(x,y,width=1.0*(x[1]-x[0]),alpha=1,color='k')
else:
pt.plot(x,y,color=colors.get())
if file == files[0]:
xmin,xmax,ymin,ymax = pt.SetLimits(opt.xmin,opt.xmax,opt.ymin,opt.ymax,x,y,opt.log)
# plot axis
pt.SetAxis(xmin,xmax,ymin,ymax,opt.log)
pt.xlabel(xlabel,fontsize=pt.labelfont)
pt.ylabel(r'$\rm{Stellar\,\,Fraction}$',fontsize=pt.labelfont)
pt.grid(False)
########################################################################
# MAIN
########################################################################
if __name__ == '__main__':
files,opt = parse_options()
pt.InitPlot(files,opt)
pt.pcolors
MakePlot(files,opt)
pt.EndPlot(files,opt)

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