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_plot_main.py
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_plot_main.py
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# -*- coding: utf-8 -*-
import codecs
import math
import struct
import sys
import argparse
import matplotlib.pyplot as plt
import array as arr
import numpy as np
from scipy import *
from scipy import signal
import _shim_main as shim
import _duty as duty
from _spectrum_main import signal2spectrum
from matplotlib.colors import colorConverter
from _defs import *
from matplotlib import rc # для отображения русского шрифта
if 'win' in sys.platform:
rc('font', family='Verdana')
else:
rc('font', family='Ubuntu')
from scipy.fftpack import rfft
# from scipy.fftpack import fft
from matplotlib.lines import Line2D
def createParser():
parser = argparse.ArgumentParser()
parser.add_argument('-raw', '--raw_file_name', type=str, required=False)
parser.add_argument('-rawf', '--rawf_file_name', type=str, required=False)
parser.add_argument('-shim', '--shim_file_name', type=str, required=False)
parser.add_argument('-p1', '--from_point', type=int, required=False)
parser.add_argument('-p2', '--to_point', type=int, required=False)
parser.add_argument('-s', '--sampling', type=int, required=False)
parser.add_argument('-d', '--duration', type=int, required=False)
parser.add_argument('-flg', '--flags', type=int, required=False)
namespace = parser.parse_args(sys.argv[1:])
if (namespace.raw_file_name == None and namespace.rawf_file_name == None and namespace.shim_file_name == None and
namespace.sampling == None and namespace.duration == None and
namespace.from_point == None and namespace.to_point == None):
return None
else:
return namespace
def plot(config, **kwargs):
try:
SIGNAL_SAMPLING = config[c_sampling] # дискретизация
SIGNAL_DURATION = config[c_duration]
POINT_1 = config[c_plot_from_point] # начальная точка
POINT_2 = config[c_plot_to_point] # конечная точка
amplitude = config[c_amplitude]
FLAGS = kwargs['flags'] # флаги, указывающие что рисовать
POINT_COUNT = int(SIGNAL_SAMPLING * SIGNAL_DURATION / 1000)
# print('plot: config[c_duration]=%i POINT_COUNT=%i' %(config[c_duration], POINT_COUNT))
if POINT_1 < 0: POINT_1 = POINT_COUNT + POINT_1
if POINT_2 < 0: POINT_2 = POINT_COUNT + POINT_2
if not POINT_1 or (POINT_1 not in range(POINT_COUNT)): POINT_1 = 0
if not POINT_2 or (POINT_2 not in range(POINT_1, POINT_COUNT)): POINT_2 = POINT_COUNT
flag_signal = FLAGS & 1
flag_filtered = (FLAGS >> 1) & 1
flag_signal_spectrum = (FLAGS >> 2) & 1
flag_filtered_spectrum = (FLAGS >> 3) & 1
flag_shim = (FLAGS >> 4) & 1
flag_signal_saw = (FLAGS >> 5) & 1
# pcnt = flag_signal + flag_filtered + flag_signal_spectrum + flag_filtered_spectrum + flag_shim + flag_signal_saw
pcnt = flag_signal + flag_filtered + flag_signal_spectrum + flag_filtered_spectrum + (flag_shim | flag_signal_saw)
if not pcnt:
return False
num = 1
araw = None # переделать!!
arawf = None
ashim = None
# рисуем исходный сигнал
if flag_signal:
try:
araw = duty.read_file(get_path(config, C_RAW), 'd', 0, POINT_COUNT)
if araw is None:
raise Exception('raw signal data not specified')
plt.subplot(pcnt, 1, num)
ts = 1 / SIGNAL_SAMPLING * 1000
# print(len(araw))
plt.plot(araw[POINT_1:POINT_2], label='Исходный сигнал', drawstyle='default') #, marker='s', markerfacecolor='r') #, markersize=10) #, color='black', lw=0)
# plt.xticks(arange(0, (POINT_2 - POINT_1) + 1, (POINT_2 - POINT_1) // 10), arange(POINT_1 * ts, POINT_2 * ts, (POINT_2 - POINT_1) * ts //10))
plt.xlabel('миллисекунды')
# if flag_signal_saw == 0:
# else:
# plt.plot(araw[POINT_1:POINT_2], label='Исходный сигнал', drawstyle='default') #, color='black', lw=0)
# plt.xticks(arange(0, (POINT_2 - POINT_1) + 1, (POINT_2 - POINT_1) // 10), arange(POINT_1, POINT_2 + 1, (POINT_2 - POINT_1) // 10))
# plt.xlabel('точки')
# plt.yticks(arange(-amplitude, amplitude + 1, amplitude * 2 / 10), arange(-amplitude, amplitude + 1, amplitude * 2 / 10))
plt.legend(loc='upper left', shadow=True, frameon=True, fontsize='small')
plt.grid()
num += 1
except Exception as E:
print('error on plotting raw signal: %s' % E, file=sys.stderr)
# рисуем сигнал (с пересчитанными под пилу уровнями) + пилу
# if flag_signal_saw:
# try:
# if araw is None:
# if 'raw' in kwargs:
# araw = duty.read_file(kwargs[C_RAW], 'd', 0, POINT_COUNT)
# if araw is None:
# raise Exception('raw signal data not specified')
# # вычисляем параметры для отрисовки
# if not 'd' in kwargs: raise Exception('не задана дискретизация')
# if not 'a' in kwargs: raise Exception('не задана амплитуда')
# # кол-во 10 нс интервалов, которые приходятся на одну точку сигнала
# N = shim.SAW_FREQ / kwargs['s']
# # новая амплитуда
# r = N / 2 / 2
# # коэффициент для пересчета уровней сигнала
# k = r / kwargs['a']
# # рисуем сигнал
# plt.subplot(pcnt, 1, num)
# plt.plot([yc * k for yc in araw[POINT_1:POINT_2]], label='Исходный сигнал с пересчитанными уровнями + Пила', drawstyle='steps-post', color='black', lw=2)
# plt.xticks(arange(0, (POINT_2 - POINT_1), (POINT_2 - POINT_1) // 10), arange(int(POINT_1 * r), int(POINT_2 * r), int((POINT_2 - POINT_1) * r) // 10))
# plt.yticks([int(araw[yc] * k) for yc in range(POINT_1, POINT_2 + 1, (POINT_2 - POINT_1) // 10)], [int(araw[yc] * k) for yc in range(POINT_1, POINT_2 + 1, (POINT_2 - POINT_1) // 10)])
# plt.xlabel('количество 100 нс интервалов')
# # рисуем пилу
# st = 0.25 #25/4/25
# xx = [st*c + st*(c%2) - st for c in arange(0, (POINT_2 - POINT_1) * 4, 1)]
# yy = [r * pow(-1, c) for c in arange(1, (POINT_2 - POINT_1) * 4 + 1, 1)]
# plt.plot(xx, yy)
# plt.legend(loc='upper left', shadow=True, frameon=True, fontsize='small')
# plt.grid()
# num += 1
# except Exception as E:
# print('error on plotting raw signal + saw: ', file=sys.stderr, end='')
# print(E, file=sys.stderr)
# рисуем спектр исходного сигнала
if flag_signal_spectrum:
try:
araw = duty.read_file(get_path(config, C_RAW), 'd', 0, POINT_COUNT)
if araw is None:
raise Exception('raw signal data not specified')
plt.subplot(pcnt, 1, num)
spectrum, aspec, araw = signal2spectrum(config, signal_data=araw)
if aspec is None:
raise Exception('no raw signal spectrum for plotting')
# plt.plot(aspec, label='Signal spectrum', color='g')
plt.vlines(range(len(aspec)), 0, aspec, label='Спектр исходного сигнала', color='g')
plt.legend(loc='upper left', shadow=True, frameon=True, fontsize='small')
plt.grid()
num += 1
except Exception as E:
print('error on plotting raw signal spectrum: %s' % E, file=sys.stderr)
# рисуем отфильтрованный сигнал
if flag_filtered:
try:
arawf = duty.read_file(get_path(config, C_RAWF), 'd', 0, POINT_COUNT)
if arawf is None:
raise Exception('filtered signal data not specified')
plt.subplot(pcnt, 1, num)
plt.plot(arawf[POINT_1:POINT_2], label='Отфильтрованный сигнал')
plt.legend(loc='upper left', shadow=True, frameon=True, fontsize='small')
plt.xticks(arange(0, (POINT_2 - POINT_1), 50), arange(POINT_1, POINT_2, 50))
plt.grid()
num += 1
except Exception as E:
print('error on plotting filtered signal: %s' % E, file=sys.stderr)
# рисуем спектр отфильтрованного сигнала
if flag_filtered_spectrum:
try:
arawf = duty.read_file(get_path(config, C_RAWF), 'd', 0, POINT_COUNT)
if arawf is None:
raise Exception('filtered signal data not specified')
plt.subplot(pcnt, 1, num)
# f, Pwelch_spec = signal.welch(arawf, SIGNAL_SAMPLING, scaling='spectrum')
# plt.semilogy(f, Pwelch_spec)
spectrum, aspec, araw = signal2spectrum(config, signal_data=arawf)
if aspec is None:
raise Exception('no spectrum for plotting')
plt.plot(aspec, label='Filtered signal spectrum', color='g')
plt.vlines(range(len(aspec)), 0, aspec, label='Спектр отфильтрованного сигнала', color='g')
plt.legend(loc='upper left', shadow=True, frameon=True, fontsize='small')
plt.grid()
num += 1
except Exception as E:
print('error on plotting filtered signal spectrum: %s' % E, file=sys.stderr)
# рисуем шим
if flag_shim:
try:
shim_file_name = get_path(config, C_SHIM)
print('here')
# читаем заголовок файла
header = duty.read_header(shim_file_name, shim.HEADER_PACK)
if header is None:
raise Exception('wrong header of shim file')
sampling = int(header[shim.HEADER_PACK_KEYS.index('signal_sampling')])
duration = SIGNAL_DURATION #int(header[shim.HEADER_PACK_KEYS.index('signal_duration')])
sawpp = int(header[shim.HEADER_PACK_KEYS.index('saw_count_per_point')])
ch_count = int(header[shim.HEADER_PACK_KEYS.index('shim_channel_count')])
R = float(header[shim.HEADER_PACK_KEYS.index('shim_R')])
# вот тутЁ!!!!
point_count = int(sampling * duration / 1000)
shim_count = point_count * sawpp * 4
# читаем значения
ashim = duty.read_file(shim_file_name, 'H', struct.calcsize(shim.HEADER_PACK), shim_count)
if ashim is None:
raise Exception('error on reading shim file')
SHIM_HEIGHT = R //2 # 200 * pcnt
SHIM_WIDTH = 1 #R // 2 * 10
if (POINT_1 == None) or (POINT_1 not in range(len(ashim) // 4)): POINT_1 = 0
if (POINT_2 == None) or (POINT_2 not in range(POINT_1, len(ashim) // 4)): POINT_2 = len(ashim) // 4
lefts_a = []
widths_a = []
heights_a = []
bottoms_a = []
lefts_b = []
widths_b = []
heights_b = []
bottoms_b = []
step = 4 * sawpp
for i in range(POINT_1, POINT_2):
_xa = ashim[i * step]
x_b = ashim[i * step + 1]
x_a = ashim[i * step + 2]
_xb = ashim[i * step + 3]
# канал a
k1 = x_a / R
k2 = 1 - k1
w = SHIM_WIDTH * k1
if w: # нулевые значения не добавляем (не отрисовываем)
lefts_a.append((i - POINT_1) * SHIM_WIDTH + SHIM_WIDTH * k2 / 2)
widths_a.append(w)
## print(w)
# если используется два канала, то считаем и для канала b
if ch_count == 2:
k1 = x_b / R
k2 = 1 - k1
w = SHIM_WIDTH * k1
if w: # нулевые значения не добавляем (не отрисовываем)
lefts_b.append((i - POINT_1) * SHIM_WIDTH + SHIM_WIDTH * k2 / 2)
widths_b.append(w)
for i in range(len(lefts_a)):
heights_a.append(SHIM_HEIGHT)
bottoms_a.append(0)
for i in range(len(lefts_b)):
heights_b.append(SHIM_HEIGHT)
bottoms_b.append(-SHIM_HEIGHT)
plt.subplot(pcnt, 1, num)
plt.bar(left=lefts_a, width=widths_a, height=heights_a, bottom=bottoms_a, color='g', edgecolor='g', label='Положительные значения')
plt.bar(left=lefts_b, width=widths_b, height=heights_b, bottom=bottoms_b, color='r', edgecolor='r', label='Отрицательные значения')
plt.legend(loc='upper left', shadow=True, frameon=True, fontsize='small', title='Шим')
plt.ylim(ymin=-100, ymax=100) # SHIM_WIDTH * 1 * POINT_COUNT // 200
plt.xticks(arange(0, (POINT_2 - POINT_1) * SHIM_WIDTH, 200), arange(POINT_1, POINT_2, 200)) # * POINT_COUNT // 200))
plt.xlabel('отсчеты сигнала')
plt.grid()
except Exception as E:
print('error on plotting shim: %s' % E, file=sys.stderr)
# # рисуем сигнал (с пересчитанными под пилу уровнями) + пилу
if flag_signal_saw:
try:
araw = duty.read_file(get_path(config, C_RAW), 'd', 0, POINT_COUNT)
if araw is None:
raise Exception('raw signal data not specified')
# вычисляем параметры для отрисовки
# кол-во 10 нс интервалов, которые приходятся на одну точку сигнала
N = shim.SAW_FREQ / config[c_sampling]
# новая амплитуда
r = N / 2 / 2
# коэффициент для пересчета уровней сигнала
k = r / config[c_amplitude]
# рисуем сигнал
plt.subplot(pcnt, 1, num)
plt.plot([yc * k for yc in araw[POINT_1:POINT_2]], label='Исходный сигнал с пересчитанными уровнями + Пила', drawstyle='steps-post', color='black', lw=2)
# рисуем пилу
st = 0.25 #25/4/25
xx = [st*c + st*(c%2) - st for c in arange(0, (POINT_2 - POINT_1) * 4, 1)]
yy = [r * pow(-1, c) for c in arange(1, (POINT_2 - POINT_1) * 4 + 1, 1)]
plt.plot(xx, yy, color=colorConverter.to_rgba('b', 0.250))
# plt.xticks(arange(0, (POINT_2 - POINT_1), (POINT_2 - POINT_1) // 10), arange(int(POINT_1 * r), int(POINT_2 * r), int((POINT_2 - POINT_1) * r) // 10))
plt.xticks(arange(0, (POINT_2 - POINT_1), 1), arange(int(POINT_1 * r), int(POINT_2 * r), 1)) # int((POINT_2 - POINT_1) * r) // 10
plt.yticks([int(araw[yc] * k) for yc in range(POINT_1, POINT_2 + 1, (POINT_2 - POINT_1) // 10)], [int(araw[yc] * k) for yc in range(POINT_1, POINT_2 + 1, (POINT_2 - POINT_1) // 10)])
plt.xlabel('количество 100 нс интервалов')
plt.legend(loc='upper left', shadow=True, frameon=True, fontsize='small')
# plt.grid()
# num += 1
except Exception as E:
print('error on plotting raw signal + saw: %s' % E, file=sys.stderr)
plt.show()
except Exception as E:
print('error in func plot: %s' % E, file=sys.stderr)
# print('Signal plotting finished')
#####################################################################
if __name__ == "__main__":
parser = createParser()
if parser == None:
# путь к файлу c исходным сигналом
RAW_FILE_NAME = "D:/c++/AME/Generators/test_main.raw"
# путь к файлу с отфильтрованным сигналом
RAWF_FILE_NAME = "D:/c++/AME/Generators/test_main.rawf"
# путь к файлу шим
SHIM_FILE_NAME = "D:/c++/AME/Generators/test_main.shim"
FLAGS = int('00001111', 2)
print(FLAGS)
SIGNAL_SAMPLING = 2000 # дискретизация
SIGNAL_DURATION = 1000
POINT_1 = 0 # начальная точка
POINT_2 = 1000 # конечная точка
else:
RAW_FILE_NAME = parser.raw_file_name # путь к файлу c исходным сигналом
RAWF_FILE_NAME = parser.rawf_file_name # путь к файлу с отфильтрованным сигналом
SHIM_FILE_NAME = parser.shim_file_name # путь к файлу шим
SIGNAL_SAMPLING = parser.sampling # дискретизация
SIGNAL_DURATION = parser.duration
POINT_1 = parser.from_point # начальная точка
POINT_2 = parser.to_point # конечная точка
FLAGS = parser.flags
plot(raw=RAW_FILE_NAME,
rawf=RAWF_FILE_NAME,
shim=SHIM_FILE_NAME,
s=SIGNAL_SAMPLING,
d=SIGNAL_DURATION,
p1=POINT_1,
p2=POINT_2,
flags=FLAGS)