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)