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poynt_2d.py
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poynt_2d.py
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import sys
# including my path and Han Wen's path
sys.path.append('/Users/franktsung/Documents/codes/python-tsung/')
sys.path.append('/Volumes/Lacie-5TB/codes/pyVisOS/')
#
import osh5io
import osh5def
import osh5vis
import osh5utils
from h5_utilities import *
import matplotlib.pyplot as plt
import sys
# command line options (argc, argv stuff)
import getopt
#
# glob -> finding files in a directory
import glob
#
import numpy as np
def print_help():
print('para_poynt.py [options] <InputDir> <OutputName>')
print('options:')
print(' -n: average over n grid points at entrance (32 by default)')
print(' -s: only process every S files')
print(' --avg: look into the -savg directory')
print(' --env: look into the -senv directory')
argc = len(sys.argv)
try:
opts, args = getopt.gnu_getopt(sys.argv[1:], "hxyn:", ['avg', 'env'])
except getopt.GetoptError:
print_help()
sys.exit(2)
if len(args) < 2:
print_help()
sys.exit(2)
dirName = args[0]
outFilename = args[1]
dir_ext = ''
n_avg = 50
# default skip is 1
skip = 1
#
# sumdir = 0 summing over the transverse direction
sumdir = 0
#
#
tags = ''
for opt, arg in opts:
if opt == '-h':
print_help()
sys.exit()
elif opt == '--avg':
dir_ext = '-savg'
elif opt == '--env':
dir_ext = '-senv'
elif opt == '-n':
n_avg = arg
elif opt == '-s':
skip = arg
else:
print(print_help())
sys.exit(2)
e2 = sorted(glob.glob(dirName + '/FLD/e2' + dir_ext + '/*.h5'))
e3 = sorted(glob.glob(dirName + '/FLD/e3' + dir_ext + '/*.h5'))
b2 = sorted(glob.glob(dirName + '/FLD/b2' + dir_ext + '/*.h5'))
b3 = sorted(glob.glob(dirName + '/FLD/b3' + dir_ext + '/*.h5'))
total_time = len(e2)
my_share = total_time
i_begin = 0
i_end = total_time -1
avg_array=np.ones(n_avg)/n_avg
#
# read the second file to get the time-step
#
h5_filename = e2[1]
h5_data = osh5io.read_h5(h5_filename)
array_dims = h5_data.shape
nx = array_dims[0]
ny = array_dims[1]
time_step = h5_data.run_attrs['TIME'][0]
# h5_output = hdf_data()
# h5_output.shape = [total_time, nx]
print('nx=' + repr(nx))
print('ny=' + repr(ny))
print('time_step=' + repr(time_step))
print('total_time=' + repr(total_time))
h5_output = np.zeros((total_time, ny))
total = np.zeros((total_time,ny))
#total = 0
total2 = 0
xaxis=h5_data.axes[1]
taxis=osh5def.DataAxis(0, time_step * (total_time -1), total_time,
attrs={'NAME':'t', 'LONG_NAME':'time', 'UNITS':'1 / \omega_p'})
data_attrs = { 'UNITS': osh5def.OSUnits('m_e \omega_p^3'), 'NAME': 's1', 'LONG_NAME': 'S_1' }
print(repr(xaxis.min))
print(repr(xaxis.max))
run_attrs = {'XMAX' : np.array( [time_step * (total_time-1), xaxis.max] ) ,
'XMIN' : np.array( [0, xaxis.min ] ) }
# h5_output.run_attrs['TIME'] = 0.0
# h5_output.run_attrs['UNITS'] = 'm_e /T'
file_number = 0
# skip = 10
for file_number in range(i_begin, i_end,skip):
# print(file_number)
e2_filename = e2[file_number]
e3_filename = e3[file_number]
b2_filename = b2[file_number]
b3_filename = b3[file_number]
e2_data = osh5io.read_h5(e2_filename)
e3_data = osh5io.read_h5(e3_filename)
b2_data = osh5io.read_h5(b2_filename)
b3_data = osh5io.read_h5(b3_filename)
s1_data = e2_data * b3_data - e3_data * b2_data
#if(file_number % 10 == 0):
#print(s1_data.shape)
temp=np.sum(s1_data,axis=0) / nx
# print(temp.shape)
h5_output[file_number, 1:ny] = np.abs(np.convolve(temp[1:ny],avg_array,mode='same'))
# h5_output[file_number, 1:nx] = np.convolve(s1_data[1:nx],avg_array,mode='same')
# temp = np.sum(s1_data, axis=0) / nx
# h5_output.data[file_number, 1:ny] = temp[1:ny]
# temp = np.sum(s1_data[0:n_avg, :], axis=0) / n_avg
# income[file_number, 1:ny] = temp[1:ny]
# temp = np.sum(s1_data, axis=1) / ny
# h5_output2.data[file_number, 1:nx] = temp[1:nx]
# temp = np.sum(s1_data[:, 0:n_avg], axis=1) / n_avg
# income2[file_number, 1:nx] = temp[1:nx]
# file_number+=1
b=osh5def.H5Data(h5_output, timestamp='x', data_attrs=data_attrs,run_attrs=run_attrs, axes=[taxis, xaxis])
osh5io.write_h5(b,filename=outFilename)
# write_hdf(h5_output, outFilename)