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gbondi
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Created
Sat, Aug 31, 18:10
Size
3 KB
Mime Type
text/x-python
Expires
Mon, Sep 2, 18:10 (1 d, 21 h)
Engine
blob
Format
Raw Data
Handle
20371722
Attached To
rGTOOLS Gtools
gbondi
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#!/usr/bin/env python
'''
Extract and plot energy and mass values contained in the
output Gadget file called by default "bondi.txt".
Yves Revaz
mer sep 6 09:05:35 CEST 2006
'''
from
numarray
import
*
from
Nbody
import
*
import
SM
import
string
import
sys
import
os
from
Nbody.libutil
import
histogram
from
optparse
import
OptionParser
from
Gtools
import
*
from
Gtools
import
io
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_log_options
(
parser
)
parser
=
add_units_options
(
parser
)
parser
.
add_option
(
"-o"
,
action
=
"store"
,
dest
=
"obs"
,
type
=
"string"
,
default
=
'Mdot'
,
help
=
"observable name"
,
metavar
=
" NAME"
)
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
obs
=
options
.
obs
reduc
=
options
.
reduc
localsystem
=
Set_SystemUnits_From_Options
(
options
)
#######################################
# define output system of unit
#######################################
outputunits
=
UnitSystem
(
'mks'
,[
Unit_kpc
,
Unit_Ms
,
Unit_yr
,
Unit_K
,
Unit_mol
,
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_bondi
(
file
)
except
:
print
"problem reading
%s
"
%
(
file
)
sys
.
exit
()
x
=
vals
[
'Time'
]
if
obs
==
'Mdot'
:
y
=
vals
[
'BondiMdot'
]
y
=
y
*
2.23e11
/
1e6
elif
vals
.
has_key
(
obs
):
y
=
vals
[
obs
]
else
:
print
"unknown observable
%s
"
%
(
obs
)
sys
.
exit
()
# use log
if
log
!=
None
:
x
,
y
=
Graph_UseLog
(
x
,
y
,
log
)
g
.
ticksize
(
-
1
,
0
,
-
1
,
-
1
)
if
file
==
files
[
0
]:
xmin
,
xmax
,
ymin
,
ymax
=
Graph_SetLimits
(
g
,
xmin
,
xmax
,
ymin
,
ymax
,
x
,
y
)
Graph_DrawBox
(
g
,
xmin
,
xmax
,
ymin
,
ymax
,
log
)
# plot points
g
.
ctype
(
colors
[
file
])
g
.
connect
(
x
,
y
)
# labels
g
.
ctype
(
0
)
g
.
xlabel
(
'T'
)
g
.
ylabel
(
'
%s
'
%
obs
)
'''
g.ctype(0)
if log == 'xy' or log == 'yx':
g.xlabel('log T')
g.ylabel('log %s'%obs)
elif log == 'x':
g.xlabel('log T')
g.ylabel('%s'%obs)
elif log == 'y':
g.xlabel('T')
g.ylabel('log %s'%obs)
else:
g.xlabel('T')
g.ylabel('%s'%obs)
'''
# -- end ---
Graph_End
(
g
,
ps
)
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