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pychem_lifetime
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Sat, Aug 17, 17:44

pychem_lifetime
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#!/usr/bin/env python
from optparse import OptionParser
import Ptools as pt
from pNbody import *
from pNbody import units
import string
from scipy import optimize
from PyChem import chemistry
UnitLength_in_cm = 3.085e+21
UnitMass_in_g = 1.989e+43
UnitVelocity_in_cm_per_s = 20725573.785998672
UnitTime_in_s = 148849920000000.0
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)
parser.add_option("--x",
action="store",
dest="x",
type="string",
default = 'r',
help="x value to plot",
metavar=" STRING")
parser.add_option("--y",
action="store",
dest="y",
type="string",
default = 'T',
help="y value to plot",
metavar=" STRING")
parser.add_option("--z",
action="store",
dest="z",
type="string",
default = None,
help="z value to plot",
metavar=" STRING")
parser.add_option("--legend",
action="store_true",
dest="legend",
default = False,
help="add a legend")
(options, args) = parser.parse_args()
pt.check_files_number(args)
files = args
return files,options
########################################################################
# MAIN
########################################################################
files,opt = parse_options()
file = files[0]
chemistry.init_chimie(file)
metals = zeros(chemistry.get_nelts(),float)
minlivetime = chemistry.star_lifetime(metals[-1],chemistry.get_Mmax())
maxlivetime = chemistry.star_lifetime(metals[-1],chemistry.get_Mmin())
print "minlivetime =%g"%(minlivetime)
print "maxlivetime =%g"%(maxlivetime)

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