def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setWindowTitle('Simple FFT Analyzer')
self.resize(*self.__default_window_size)
self.main_frame = QtGui.QWidget()
plot_widget = Qwt.QwtPlot(self)
plot_widget.setCanvasBackground(QtCore.Qt.white)
curve = Qwt.QwtPlotCurve('SimpleFFT data')
pen = QtGui.QPen(QtCore.Qt.red)
pen.setWidth(2)
curve.setPen(pen)
curve.setData(np.arange(100), np.arange(100))
curve.attach(plot_widget)
self.button_widget = QtGui.QPushButton()
self.button_widget.setText('start')
self.button_widget.clicked.connect(self.onClick)
self.analyzer_state = self.__WAIT
self.power_spectrum_widget = PowerSpectrumScope()
tab_widget = QtGui.QTabWidget()
tab_widget.addTab(self.power_spectrum_widget, 'Power')
tab_widget.addTab(plot_widget, 'Phase difference')
layout = QtGui.QVBoxLayout()
layout.addWidget(tab_widget)
#layout.addWidget(plot_widget)
layout.addWidget(self.button_widget)
self.file_menu = self.menuBar().addMenu('&File')
self.file_menu.addAction('Open...', self.openFile)
self.stateus = self.statusBar().showMessage('hoge hoge hoge')
self.main_frame.setLayout(layout)
self.setCentralWidget(self.main_frame)
self.update_ui()
self.on_show()
class MainWindow(QtGui.QMainWindow):
__default_window_size = (600, 400)
__WAIT = 'wait'
__PROCESS = 'process'
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setWindowTitle('Simple FFT Analyzer')
self.resize(*self.__default_window_size)
self.main_frame = QtGui.QWidget()
plot_widget = Qwt.QwtPlot(self)
plot_widget.setCanvasBackground(QtCore.Qt.white)
curve = Qwt.QwtPlotCurve('SimpleFFT data')
pen = QtGui.QPen(QtCore.Qt.red)
pen.setWidth(2)
curve.setPen(pen)
curve.setData(np.arange(100), np.arange(100))
curve.attach(plot_widget)
self.button_widget = QtGui.QPushButton()
self.button_widget.setText('start')
self.button_widget.clicked.connect(self.onClick)
self.analyzer_state = self.__WAIT
self.power_spectrum_widget = PowerSpectrumScope()
tab_widget = QtGui.QTabWidget()
tab_widget.addTab(self.power_spectrum_widget, 'Power')
tab_widget.addTab(plot_widget, 'Phase difference')
layout = QtGui.QVBoxLayout()
layout.addWidget(tab_widget)
#layout.addWidget(plot_widget)
layout.addWidget(self.button_widget)
self.file_menu = self.menuBar().addMenu('&File')
self.file_menu.addAction('Open...', self.openFile)
self.stateus = self.statusBar().showMessage('hoge hoge hoge')
self.main_frame.setLayout(layout)
self.setCentralWidget(self.main_frame)
self.update_ui()
self.on_show()
def update_ui(self):
pass
def on_show(self):
pass
def onClick(self):
print('click')
if self.analyzer_state == self.__WAIT:
try:
self.power_spectrum_widget.startPlot()
except Exception as err:
print(err)
return
self.button_widget.setText('stop')
self.analyzer_state = self.__PROCESS
elif self.analyzer_state == self.__PROCESS:
try:
self.power_spectrum_widget.stopPlot()
except Exception as err:
print(err)
return
self.button_widget.setText('start')
self.analyzer_state = self.__WAIT
def openFile(self):
fn = QtGui.QFileDialog.getOpenFileName(self, 'Open file', '')
print(fn)
fn = str(fn)
from os.path import splitext
if splitext(fn)[1] != '.wav':
print('not wav')
fs, data = wavefile.read(fn)
self.power_spectrum_widget.fs = fs
self.power_spectrum_widget.data = data.astype(np.float32)/(2**15)
self.power_spectrum_widget.cur_idx = 0
self.power_spectrum_widget.fft_analyzer = FFTAnalyzer(fs=fs)
self.power_spectrum_widget.startPlot()
self.analyzer_state = self.__PROCESS
self.button_widget.setText('stop')
