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supgmov
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Fri, Feb 7, 14:51

supgmov
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#!/usr/bin/env python
import sys
import os
import string
import getopt
import math
from pNbody import Movie
from numpy import *
####################################################################################
def version():
####################################################################################
print 'version 1.0'
sys.exit(0)
####################################################################################
def help_message():
####################################################################################
print '''Usage : supgmov -o outfilm film1 film2 film3...
Options: -h -- this help message
-o -- name of the output
--help -- this help message
--version -- displays version
'''
sys.exit(0)
####################################################################################
def check_arguments(options,xarguments):
####################################################################################
output = "out.mov"
for a in options[:]:
if a[0] == '-h':
help_message()
if a[0] == '--help':
help_message()
if a[0] == '--version':
version()
if a[0] == '-o':
if a[1] == '':
help_message()
else:
output = a[1]
continue
files = xarguments
return output, files
####################################################################################
#
# MAIN
#
####################################################################################
try:
options, xarguments = getopt.getopt(sys.argv[1:],'o:h', ['help','version'])
except getopt.error:
help_message()
sys.exit(0)
# check arguments
output, films = check_arguments(options,xarguments)
nf = len(films)
# check that both films exists
for film in films:
if (os.path.exists(film)==0):
print "Error : the file ",film," do no not exist."
sys.exit(0)
# open films
fs = []
for film in films:
f = Movie.Movie(film)
f.open()
fs.append(f)
npic = fs[0].npic
numByte = fs[0].numByte
numLine = fs[0].numLine
for f in fs:
if f.npic != npic:
print "films have not the same number of frames"
if f.numByte != numByte:
print "films have not the same width"
if f.numLine != numLine:
print "films have not the same height"
# create the newfilm
fo = Movie.Movie(output)
fo.new(numByte,numLine)
# loop over the films
for i in range(npic):
# read data
datas = []
n = 0
for f in fs:
data = f.read_one(mode='array')
data = data/255.*(256./nf) + (256./nf)*n
datas.append(data)
n = n + 1
# add data
newdata = datas[0]
n = 1
for data in datas[1:]:
mask = (data > (256./nf)*n+1)
newdata = where(mask,data,newdata)
n = n+1
# sup data2 to data1
newdata = newdata.astype('b')
data = newdata.tostring()
fo.write_pic(fs[0].current_time,data)
print fs[0].current_time
fo.close()

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