Page MenuHomec4science
Files F106277905

pychem_plot_IMF
No OneTemporary
Actions

File Metadata

Created
Mon, Mar 24, 09:03

pychem_plot_IMF
View Options

#!/usr/bin/env python
import Ptools as pt
from optparse import OptionParser
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")
parser.add_option("--NumberOfTables",
action="store",
dest="NumberOfTables",
type="int",
default = 1,
help="NumberOfTables",
metavar=" INT")
parser.add_option("--DefaultTable",
action="store",
dest="DefaultTable",
type="int",
default = 0,
help="DefaultTable",
metavar=" INT")
(options, args) = parser.parse_args()
pt.check_files_number(args)
files = args
return files,options
#######################################
# MakePlot
#######################################
def MakePlot(files,opt):
# some inits
colors = pt.Colors(n=len(files))
datas = []
# read files
for file in files:
chemistry.init_chimie(file,opt.NumberOfTables,opt.DefaultTable)
mmax = chemistry.get_Mmax()
mmin = chemistry.get_Mmin()
# mass range
ms = arange(mmin,mmax,1e-12).astype(float32)
################
# get values
################
x = ms
y = chemistry.get_imf(x)
#x = arange(mmin,mmax,1e-11)
#y = chemistry.get_imf_N(x[0:-1],x[1:])
#x = x[:-1]
x = x / (1.989e+33/UnitMass_in_g) # to solar mass
xlabel = r"$\rm{Star\,\,Mass [M_{\odot}]}$"
ylabel = r"$\rm{Mass\,\,Fraction}$"
data = pt.DataPoints(x,y,label=file,color=colors.get(),tpe='line')
datas.append(data)
# check integral
for d in datas:
dx = d.x[1:]-d.x[:-1]
I = sum(dx * d.y[:-1])
print "intergral = %g"%I
# now, plot
for d in datas:
if d.tpe=='points' or d.tpe=='both':
pt.scatter(d.x,d.y,c=d.color,s=5,linewidths=0,marker='o',vmin=opt.zmin,vmax=opt.zmax)
if d.tpe=='line' or d.tpe=='both':
pt.plot(d.x,d.y,color=d.color)
# set limits and draw axis
xmin,xmax,ymin,ymax = pt.SetLimitsFromDataPoints(opt.xmin,opt.xmax,opt.ymin,opt.ymax,datas,opt.log)
# plot axis
pt.SetAxis(xmin,xmax,ymin,ymax,log=opt.log)
pt.xlabel(xlabel,fontsize=pt.labelfont)
pt.ylabel(ylabel,fontsize=pt.labelfont)
pt.grid(False)
if opt.legend:
pt.LegendFromDataPoints(datas)
########################################################################
# MAIN
########################################################################
if __name__ == '__main__':
files,opt = parse_options()
pt.InitPlot(files,opt)
pt.pcolors
MakePlot(files,opt)
pt.EndPlot(files,opt)

Event Timeline

c4science · Help