def test_wavelength_slider(cubeviz_layout, slice_index, cube_bounds):
set_slider_index(cubeviz_layout, slice_index)
assert_all_viewer_indices(cubeviz_layout, slice_index)
# Make sure that wavelength text matches slice value
wavelength_format = format_minimal(cube_bounds['wavelengths'])[0]
wavelength_text = wavelength_format.format(cube_bounds['wavelengths'][slice_index])
assert_wavelength_text(cubeviz_layout, wavelength_text)
def test_nearest_slice_index(qtbot, cubeviz_layout, wavelength, cube_bounds):
# While this test mostly just duplicates the code in
# _on_text_wavelength_change, it is useful to make sure that the effects
# carry through in the viewer slices and text boxes
wavelengths = cube_bounds['wavelengths']
enter_wavelength_text(qtbot, cubeviz_layout, str(wavelength))
slice_index = find_nearest_slice(wavelengths, wavelength)
assert_all_viewer_indices(cubeviz_layout, slice_index)
assert_slice_text(cubeviz_layout, slice_index)
wavelength_format = format_minimal(cube_bounds['wavelengths'])[0]
wavelength_text = wavelength_format.format(cube_bounds['wavelengths'][slice_index])
assert_wavelength_text(cubeviz_layout, wavelength_text)
def test_wavelength_slider(cubeviz_layout, slice_index, cube_bounds):
set_slider_index(cubeviz_layout, slice_index)
assert_all_viewer_indices(cubeviz_layout, slice_index)
# Make sure that wavelength text matches slice value
wavelength = cube_bounds['wavelengths'][slice_index]
wavelength_format = format_minimal(cube_bounds['wavelengths'])[0]
wavelength_text = wavelength_format.format(wavelength)
assert_wavelength_text(cubeviz_layout, wavelength_text)
# Make sure specviz slider is updated appropriately
specviz = cubeviz_layout.specviz._widget
assert specviz._slice_indicator.getPos()[0] == wavelength
def _handle_wavelength_update(self, message):
# Grab the wavelengths so they can be displayed in the text box
self._wavelengths = message.wavelengths
self._wavelength_format = format_minimal(self._wavelengths)[0]
self._slice_slider.setMaximum(len(self._wavelengths) - 1)
if self.synced_index is None:
# Set the initial display to the middle of the cube
middle_index = len(self._wavelengths) // 2
self._slice_slider.setValue(middle_index)
self.synced_index = middle_index
index = self._cv_layout._active_cube._widget.slice_index
self._wavelength_textbox.setText(
self.format_wavelength(self._wavelengths[index]))