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gplot_sfr
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Fri, Sep 27, 16:51
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text/x-python
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Sun, Sep 29, 16:51 (2 d)
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rGTOOLS Gtools
gplot_sfr
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#!/home/revaz/local/bin/python
'''
Plot star formation rate of the model as a function of time
Yves Revaz
ven mai 19 10:55:04 CEST 2006
'''
from numarray import *
from pNbody import *
from pNbody import cosmo
import SM
import string
import sys
import os
from libjeans import *
from pNbody.libutil import histogram
from optparse import OptionParser
from Gtools import *
from Gtools import vanderwaals as vw
def parse_options():
usage = "usage: %prog [options] file"
parser = OptionParser(usage=usage)
parser = add_postscript_options(parser)
parser = add_color_options(parser)
parser = add_limits_options(parser)
parser = add_units_options(parser)
parser = add_log_options(parser)
parser.add_option("-t",
action="store",
dest="ftype",
type="string",
default = None,
help="type of the file",
metavar=" TYPE")
parser.add_option("--cgs",
action="store_true",
dest="cgs",
default = 0,
help="invert into cgs units")
parser.add_option("-r",
action="store",
dest="reduc",
type="int",
default = 1,
help="reduction number",
metavar=" INT")
(options, args) = parser.parse_args()
if options.colors!=None:
exec("options.colors = array([%s])"%(options.colors))
if len(args) == 0:
print "you must specify a filename"
sys.exit(0)
files = args
return files,options
#############################
# graph
#############################
# get options
files,options = parse_options()
ps = options.ps
col = options.colors
xmin = options.xmin
xmax = options.xmax
ymin = options.ymin
ymax = options.ymax
log = options.log
cgs = options.cgs
ftype = options.ftype
reduc = options.reduc
localsystem = Set_SystemUnits_From_Options(options)
#######################################
# define output system of unit
#######################################
outputunits = units.UnitSystem('mks',[units.Unit_kpc, units.Unit_Ms, units.Unit_yr , units.Unit_K, units.Unit_mol, units.Unit_C])
#######################################
# open sm
#######################################
g = Graph_Init(ps)
Graph_SetDefaultsGraphSettings(g)
colors = Graph_SetColorsForFiles(files,col)
#######################################
# LOOP
#######################################
# read files
for file in files:
try:
vals = io.read_new_energy(file)
except "NotNewEgyFileError":
vals = io.read_energy(file,iobs=None)
t = vals['Time']
m = vals['MassComp5']
# reduc
n = reduc
c = fmod(arange(len(t)),n)
t = compress((c==0),t)
m = compress((c==0),m)
dt = (t[1:] - t[0:-1])
sfr = (m[1:] - m[0:-1])/dt
x = t[1:]
y = sfr
# sfr factor
FACT = ctes.PhysCte(1,localsystem.UnitDic['kg']/localsystem.UnitDic['s'])
FACT = FACT.into(outputunits)
# mass factor
#FACT = PhysCte(1,localsystem.UnitDic['kg'])
#FACT = FACT.into(outputunits)
y = y*FACT
# use log
if log != None:
x,y = Graph_UseLog(x,y,log)
if file == files[0]:
xmin,xmax,ymin,ymax = Graph_SetLimits(g,xmin,xmax,ymin,ymax,x,y)
g.box()
# plot points
g.ctype(colors[file])
g.connect(x,y)
g.ctype(0)
if log == 'xy' or log == 'yx':
g.xlabel('log time')
g.ylabel('log SFR')
elif log == 'x':
g.xlabel('log time')
g.ylabel('SFR')
elif log == 'y':
g.xlabel('time')
g.ylabel('log SFR')
else:
g.xlabel('time')
g.ylabel('SFR')
# -- end ---
Graph_End(g,ps)
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