def openMsg(self):
global file, dir, channels, mdf
self.statusBar.showMessage("Select target file")
dirfile, _ = QFileDialog.getOpenFileName(
self, "打开", "D:/4_SW_Tool/SW_Project/Python/",
"All Files(*);; Text Filesle(*.txt)")
if dirfile.endswith('.mdf'):
self.ShowDirBrowser.setText(dirfile)
file = os.path.split(dirfile)[1]
dir = os.path.split(dirfile)[0]
os.chdir(dir)
mdf = MDF(file)
os.chdir(Origindir)
channels = mdf.export('pandas').columns
else:
self.msg_file()
from asammdf import MDF
import sys
import matplotlib.pyplot as plt
mdf = MDF('Dauerzeitschrieb_20171218_053831.mf4', memory='full')
sig_list = []
while 1:
choice_1 = input("Do you want to add a signal?(y/n)\n")
if choice_1 == "n":
if len(sig_list) > 0:
filter = mdf.filter(sig_list)
file_name = input("Enter the file name to be saved\n")
filter.convert('4.10').save(file_name + '.mf4')
mdf_new = MDF((file_name + '.mf4'), memory='full')
data_frame = mdf_new.export('pandas', filename=file_name)
data_frame.to_csv(file_name + '.csv')
print("CSV and mf4 file created.\n")
choice_2 = input("Do you want to plot the signal(s)?(y/n)\n")
if choice_2 == "y":
for i in range(len(sig_list)):
plt.figure(i)
plt.xlabel('Time [s]')
plt.ylabel('[{}]'.format(mdf.get(sig_list[i]).unit))
plt.plot(
mdf.get(sig_list[i]).timestamps,
mdf.get(sig_list[i]).samples, 'b')
plt.plot(
mdf.get(sig_list[i]).timestamps,
mdf.get(sig_list[i]).samples, 'b.')
plt.grid(True)
break
