def show_available_colormaps(self):
height = 50
selected = colormaps.read_selected_colormap_name_from_settings()
for colormap_name in sorted(colormaps.maps.keys()):
image = Spectrogram.create_colormap_image(colormap_name, height=height)
rb = QRadioButton(colormap_name)
rb.setObjectName(colormap_name)
rb.setChecked(colormap_name == selected)
rb.setIcon(QIcon(QPixmap.fromImage(image)))
rb.setIconSize(QSize(256, height))
self.ui.scrollAreaWidgetSpectrogramColormapContents.layout().addWidget(rb)
class TestSpectrogram(QtTestCase):
def setUp(self):
self.signal = Signal(
self.get_path_for_filename("two_participants.complex16s"), "test")
self.spectrogram = Spectrogram(self.signal.iq_array.data)
def test_create_spectrogram_image(self):
image = self.spectrogram.create_spectrogram_image()
self.assertEqual(image.width(), self.spectrogram.time_bins - 2)
self.assertEqual(image.height(), self.spectrogram.freq_bins)
def test_create_colormap_image(self):
image = self.spectrogram.create_colormap_image("magma", height=42)
self.assertEqual(image.height(), 42)
self.assertEqual(image.width(),
len(colormaps.chosen_colormap_numpy_bgra))
def test_channel_separation_with_negative_frequency(self):
super().setUp()
self.add_signal_to_form("three_channels.complex")
self.assertEqual(self.form.signal_tab_controller.num_frames, 1)
signal_frame = self.form.signal_tab_controller.signal_frames[0]
self.__prepare_channel_separation(signal_frame)
self.__test_extract_channel(signal_frame,
freq1=650,
freq2=850,
bandwidth="195,312KHz",
target_bits="11001101",
center=0.1)
self.__test_extract_channel(signal_frame,
freq1=500,
freq2=620,
bandwidth="117,188KHz",
target_bits="10101001",
center=0.1)
self.__test_extract_channel(signal_frame,
freq1=217,
freq2=324,
bandwidth="104,492KHz",
target_bits="10010111",
center=0.1)
def test_cancel_filtering(self):
super().setUp()
self.add_signal_to_form("two_participants.complex16s")
signal_frame = self.form.signal_tab_controller.signal_frames[0]
signal_frame.ui.cbSignalView.setCurrentIndex(2)
signal_frame.ui.spinBoxSelectionStart.setValue(100)
signal_frame.ui.spinBoxSelectionEnd.setValue(200)
menu = signal_frame.ui.gvSpectrogram.create_context_menu()
create_action = next(action for action in menu.actions()
if "bandpass filter" in action.text())
timer = QTimer(self.form)
timer.setSingleShot(True)
timer.timeout.connect(self.form.cancel_action.trigger)
timer.start(1)
create_action.trigger()
self.assertTrue(signal_frame.filter_abort_wanted)
self.assertEqual(self.form.signal_tab_controller.num_frames, 1)
def __prepare_channel_separation(self, signal_frame):
self.assertEqual(self.form.signal_tab_controller.num_frames, 1)
signal_frame = self.form.signal_tab_controller.signal_frames[0]
signal_frame.ui.spinBoxNoiseTreshold.setValue(0)
signal_frame.ui.spinBoxNoiseTreshold.editingFinished.emit()
self.assertEqual(signal_frame.signal.num_samples, 800)
signal_frame.ui.cbSignalView.setCurrentIndex(2)
self.assertTrue(signal_frame.spectrogram_is_active)
def __test_extract_channel(self,
signal_frame,
freq1,
freq2,
bandwidth: str,
target_bits: str,
center=None):
num_frames = self.form.signal_tab_controller.num_frames
signal_frame.ui.spinBoxSelectionStart.setValue(freq1)
signal_frame.ui.spinBoxSelectionEnd.setValue(freq2 - 1)
signal_frame.ui.spinBoxSelectionEnd.setValue(freq2)
self.assertEqual(signal_frame.ui.lNumSelectedSamples.text(),
str(freq2 - freq1))
self.assertEqual(signal_frame.ui.lDuration.text().replace(".", ","),
bandwidth)
menu = signal_frame.ui.gvSpectrogram.create_context_menu()
create_action = next(action for action in menu.actions()
if "bandpass filter" in action.text())
create_action.trigger()
self.assertEqual(self.form.signal_tab_controller.num_frames,
num_frames + 1)
filtered_frame = self.form.signal_tab_controller.signal_frames[1]
filtered_frame.ui.cbModulationType.setCurrentText("ASK")
filtered_frame.ui.spinBoxNoiseTreshold.setValue(0)
filtered_frame.ui.spinBoxNoiseTreshold.editingFinished.emit()
filtered_frame.ui.spinBoxSamplesPerSymbol.setValue(100)
filtered_frame.ui.spinBoxSamplesPerSymbol.editingFinished.emit()
if center is not None:
filtered_frame.ui.spinBoxCenterOffset.setValue(center)
filtered_frame.ui.spinBoxCenterOffset.editingFinished.emit()
self.assertEqual(len(filtered_frame.proto_analyzer.plain_bits_str), 1)
self.assertEqual(filtered_frame.proto_analyzer.plain_bits_str[0],
target_bits)
class TestSpectrogram(QtTestCase):
def setUp(self):
self.signal = Signal(self.get_path_for_filename("two_participants.coco"), "test")
self.spectrogram = Spectrogram(self.signal.data)
def test_create_spectrogram_image(self):
image = self.spectrogram.create_spectrogram_image()
self.assertEqual(image.width(), self.spectrogram.time_bins - 2)
self.assertEqual(image.height(), self.spectrogram.freq_bins)
def test_create_colormap_image(self):
image = self.spectrogram.create_colormap_image("magma", height=42)
self.assertEqual(image.height(), 42)
self.assertEqual(image.width(), len(colormaps.chosen_colormap_numpy_bgra))
def test_channel_separation_with_negative_frequency(self):
super().setUp()
self.add_signal_to_form("three_channels.complex")
self.assertEqual(self.form.signal_tab_controller.num_frames, 1)
signal_frame = self.form.signal_tab_controller.signal_frames[0]
self.__prepare_channel_separation(signal_frame)
self.__test_extract_channel(signal_frame, freq1=650, freq2=850, bandwidth="195,312kHz", target_bits="11001101", center=0.1)
self.__test_extract_channel(signal_frame, freq1=500, freq2=620, bandwidth="117,188kHz", target_bits="10101001", center=0.1)
self.__test_extract_channel(signal_frame, freq1=217, freq2=324, bandwidth="104,492kHz", target_bits="10010111", center=0.1)
def test_cancel_filtering(self):
super().setUp()
self.add_signal_to_form("two_participants.coco")
signal_frame = self.form.signal_tab_controller.signal_frames[0]
signal_frame.ui.cbSignalView.setCurrentIndex(2)
signal_frame.ui.spinBoxSelectionStart.setValue(100)
signal_frame.ui.spinBoxSelectionEnd.setValue(200)
menu = signal_frame.ui.gvSpectrogram.create_context_menu()
create_action = next(action for action in menu.actions() if "bandpass filter" in action.text())
timer = QTimer(self.form)
timer.setSingleShot(True)
timer.timeout.connect(self.form.cancel_action.trigger)
timer.start(1)
create_action.trigger()
self.assertTrue(signal_frame.filter_abort_wanted)
self.assertEqual(self.form.signal_tab_controller.num_frames, 1)
def __prepare_channel_separation(self, signal_frame):
self.assertEqual(self.form.signal_tab_controller.num_frames, 1)
signal_frame = self.form.signal_tab_controller.signal_frames[0]
signal_frame.ui.spinBoxNoiseTreshold.setValue(0)
signal_frame.ui.spinBoxNoiseTreshold.editingFinished.emit()
self.assertEqual(signal_frame.signal.num_samples, 800)
signal_frame.ui.cbSignalView.setCurrentIndex(2)
self.assertTrue(signal_frame.spectrogram_is_active)
def __test_extract_channel(self, signal_frame, freq1, freq2, bandwidth: str, target_bits: str, center=None):
num_frames = self.form.signal_tab_controller.num_frames
signal_frame.ui.spinBoxSelectionStart.setValue(freq1)
signal_frame.ui.spinBoxSelectionEnd.setValue(freq2 - 1)
signal_frame.ui.spinBoxSelectionEnd.setValue(freq2)
self.assertEqual(signal_frame.ui.lNumSelectedSamples.text(), str(freq2 - freq1))
self.assertEqual(signal_frame.ui.lDuration.text().replace(".", ","), bandwidth)
menu = signal_frame.ui.gvSpectrogram.create_context_menu()
create_action = next(action for action in menu.actions() if "bandpass filter" in action.text())
create_action.trigger()
self.assertEqual(self.form.signal_tab_controller.num_frames, num_frames + 1)
filtered_frame = self.form.signal_tab_controller.signal_frames[1]
filtered_frame.ui.cbModulationType.setCurrentText("ASK")
filtered_frame.ui.spinBoxNoiseTreshold.setValue(0)
filtered_frame.ui.spinBoxNoiseTreshold.editingFinished.emit()
filtered_frame.ui.spinBoxInfoLen.setValue(100)
filtered_frame.ui.spinBoxInfoLen.editingFinished.emit()
if center is not None:
filtered_frame.ui.spinBoxCenterOffset.setValue(center)
filtered_frame.ui.spinBoxCenterOffset.editingFinished.emit()
self.assertEqual(len(filtered_frame.proto_analyzer.plain_bits_str), 1)
self.assertEqual(filtered_frame.proto_analyzer.plain_bits_str[0], target_bits)
