def __update_spectrogram(self):
spectrogram = Spectrogram(self.device.data)
spectrogram.data_min = -80
spectrogram.data_max = 10
scene = self.ui.graphicsViewSpectrogram.scene()
pixmap = QPixmap.fromImage(spectrogram.create_spectrogram_image(transpose=True))
scene.addPixmap(pixmap).moveBy(0, self.spectrogram_y_pos)
self.spectrogram_y_pos += pixmap.height()
if self.spectrogram_y_pos >= scene.sceneRect().height():
scene.setSceneRect(0, 0, Spectrogram.DEFAULT_FFT_WINDOW_SIZE, self.spectrogram_y_pos)
self.ui.graphicsViewSpectrogram.verticalScrollBar().setValue(
self.ui.graphicsViewSpectrogram.verticalScrollBar().maximum())
def __update_spectrogram(self):
spectrogram = Spectrogram(self.device.data)
spectrogram.data_min = -80
spectrogram.data_max = 10
scene = self.ui.graphicsViewSpectrogram.scene()
pixmap = QPixmap.fromImage(spectrogram.create_spectrogram_image(transpose=True))
pixmap_item = scene.addPixmap(pixmap)
pixmap_item.moveBy(0, self.spectrogram_y_pos)
self.spectrogram_y_pos += pixmap.height()
if self.spectrogram_y_pos >= scene.sceneRect().height():
scene.setSceneRect(0, 0, Spectrogram.DEFAULT_FFT_WINDOW_SIZE, self.spectrogram_y_pos)
self.ui.graphicsViewSpectrogram.ensureVisible(pixmap_item)
def __update_spectrogram(self):
spectrogram = Spectrogram(self.device.data,
overlap_factor=self.my_overlap_factor)
spectrogram.data_min = -80
spectrogram.data_max = 10
scene = self.ui.graphicsViewSpectrogram.scene()
pixmap = QPixmap.fromImage(
spectrogram.create_spectrogram_image(transpose=True))
pixmap_item = scene.addPixmap(pixmap)
self.my_mass_vodopad.append(pixmap)
pixmap_item.moveBy(0, self.spectrogram_y_pos)
self.spectrogram_y_pos += pixmap.height()
if self.spectrogram_y_pos >= scene.sceneRect().height():
while sum(map(lambda x: x.height(),
self.my_mass_vodopad)) >= 20480:
scene.setSceneRect(0, 0, Spectrogram.DEFAULT_FFT_WINDOW_SIZE,
self.spectrogram_y_pos)
self.ui.graphicsViewSpectrogram.ensureVisible(pixmap_item)
scene.removeItem(scene.items().pop(-1))
self.my_mass_vodopad.pop(-1)
