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gplot_rho
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Created
Mon, Aug 19, 18:57
Size
3 KB
Mime Type
text/x-python
Expires
Wed, Aug 21, 18:57 (1 d, 21 h)
Engine
blob
Format
Raw Data
Handle
20026868
Attached To
rGTOOLS Gtools
gplot_rho
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#!/home/revaz/local/bin/python
'''
Plot density of the model as a function of radius
(isotropique density)
Yves Revaz
Mon Nov 21 14:54:44 CET 2005
'''
from
numarray
import
*
from
Nbody
import
*
import
SM
import
string
import
sys
import
os
from
libjeans
import
*
from
Nbody.libutil
import
histogram
try
:
from
optparse
import
OptionParser
except
ImportError
:
from
optik
import
OptionParser
def
parse_options
():
usage
=
"usage: %prog [options] file"
parser
=
OptionParser
(
usage
=
usage
)
parser
.
add_option
(
"-t"
,
action
=
"store"
,
dest
=
"ftype"
,
type
=
"string"
,
default
=
None
,
help
=
"type of the file"
,
metavar
=
" TYPE"
)
parser
.
add_option
(
"--xmin"
,
action
=
"store"
,
dest
=
"xmin"
,
type
=
"float"
,
default
=
0
,
help
=
"min value in x"
)
parser
.
add_option
(
"--xmax"
,
action
=
"store"
,
dest
=
"xmax"
,
type
=
"float"
,
default
=
50
,
help
=
"max value in x"
)
parser
.
add_option
(
"--nb"
,
action
=
"store"
,
dest
=
"nb"
,
type
=
"int"
,
default
=
25
,
help
=
"number of bins"
)
parser
.
add_option
(
"--ymin"
,
action
=
"store"
,
dest
=
"mny"
,
type
=
"float"
,
default
=
0
,
help
=
"min value in y"
)
parser
.
add_option
(
"--ymax"
,
action
=
"store"
,
dest
=
"mxy"
,
type
=
"float"
,
default
=
None
,
help
=
"max value in y"
)
parser
.
add_option
(
"-p"
,
action
=
"store"
,
dest
=
"ps"
,
type
=
"string"
,
default
=
None
,
help
=
"postscript filename"
,
metavar
=
" FILE"
)
(
options
,
args
)
=
parser
.
parse_args
()
if
len
(
args
)
==
0
:
print
"you must specify a filename"
sys
.
exit
(
0
)
file
=
args
[
0
]
return
file
,
options
#############################
# graph
#############################
# get options
file
,
options
=
parse_options
()
ps
=
options
.
ps
xmin
=
options
.
xmin
xmax
=
options
.
xmax
nb
=
options
.
nb
ymin
=
options
.
mny
ymax
=
options
.
mxy
ftype
=
options
.
ftype
#######################################
# open sm
#######################################
if
ps
==
None
:
g
=
SM
.
plot
(
"x11 -bg white -fg black "
)
else
:
g
=
SM
.
plot
(
"postencap
%s
"
%
ps
)
# some init
g
.
palette
(
'bgyrw'
)
g
.
expand
(
0.999
)
g
.
setvariable
(
'TeX_strings'
,
'1'
)
#######################################
# first
g
.
location
(
3500
,
31000
,
3500
,
31000
)
#######################################
# LOOP
#######################################
vs
=
array
([],
Float
)
ts
=
array
([],
Float
)
nbody
=
Nbody
(
file
,
ftype
=
ftype
)
r
,
dens
=
nbody
.
dens
(
nb
=
nb
,
rm
=
xmax
)
dens
=
log10
(
dens
)
print
r
,
dens
if
ymin
==
None
:
ymin
=
min
(
dens
)
if
ymax
==
None
:
ymax
=
max
(
dens
)
g
.
location
(
3500
,
31000
,
3500
,
31000
)
g
.
limits
(
xmin
,
xmax
,
ymin
,
ymax
)
g
.
box
()
g
.
connect
(
r
,
dens
)
g
.
histogram
(
r
,
dens
)
#rho = log10( 1000./(1.+r)**2 ) + 0.1
#g.ctype(192)
#g.connect(r,rho)
#g.ctype(0)
g
.
ctype
(
0
)
g
.
xlabel
(
'R'
)
g
.
ylabel
(
'N'
)
# -- end ---
if
ps
==
None
:
g
.
show
()
else
:
g
.
write
()
g
.
clean
()
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