def setUp(self):
# creating Data objects
self.img_data = ImgModel()
self.img_data.load("Data/CbnCorrectionOptimization/Mg2SiO4_091.tif")
self.calibration_data = CalibrationModel(self.img_data)
self.calibration_data.load("Data/CbnCorrectionOptimization/LaB6_40keV side.poni")
self.mask_data = MaskModel()
self.mask_data.load_mask("Data/CbnCorrectionOptimization/Mg2SiO4_91_combined.mask")
# creating the ObliqueAngleDetectorAbsorptionCorrection
_, fit2d_parameter = self.calibration_data.get_calibration_parameter()
detector_tilt = fit2d_parameter['tilt']
detector_tilt_rotation = fit2d_parameter['tiltPlanRotation']
self.tth_array = self.calibration_data.spectrum_geometry.twoThetaArray((2048, 2048))
self.azi_array = self.calibration_data.spectrum_geometry.chiArray((2048, 2048))
self.oiadac_correction = ObliqueAngleDetectorAbsorptionCorrection(
self.tth_array, self.azi_array,
detector_thickness=40,
absorption_length=465.5,
tilt=detector_tilt,
rotation=detector_tilt_rotation,
)
self.img_data.add_img_correction(self.oiadac_correction, "oiadac")
def setUp(self):
self.working_dir = {}
self.img_model = ImgModel()
self.mask_model = MaskModel()
self.mask_widget = MaskWidget()
self.mask_controller = MaskController(self.working_dir,
self.mask_widget, self.img_model,
self.mask_model)
class MaskControllerTest(unittest.TestCase):
def setUp(self):
self.app = QtGui.QApplication(sys.argv)
self.working_dir = {}
self.img_model = ImgModel()
self.mask_model = MaskModel()
self.mask_widget = MaskWidget()
self.mask_controller = MaskController(self.working_dir, self.mask_widget, self.img_model, self.mask_model)
def tearDown(self):
del self.img_model
del self.mask_model
self.mask_widget.close()
del self.mask_widget
del self.mask_controller
del self.app
gc.collect()
def get_file_size(self, filename):
stat_info = os.stat(filename)
return stat_info.st_size
def test_loading_and_saving_mask_files(self):
self.mask_controller.load_mask_btn_click(os.path.join(data_path, 'test.mask'))
self.mask_model.mask_below_threshold(self.img_model, 1)
filename = os.path.join(data_path, 'dummy.mask')
self.mask_controller.save_mask_btn_click(filename)
self.assertTrue(os.path.exists(filename))
os.remove(filename)
def test_loading_and_saving_with_super_sampling(self):
self.mask_model.set_supersampling(2)
self.mask_controller.load_mask_btn_click(os.path.join(data_path, 'test.mask'))
self.assertEqual(self.mask_model.get_mask().shape[0], 4096)
self.assertEqual(self.mask_model.get_mask().shape[1], 4096)
self.assertEqual(self.mask_model.get_img().shape[0], 2048)
self.assertEqual(self.mask_model.get_img().shape[1], 2048)
self.mask_model.mask_below_threshold(self.img_model, 1)
filename = os.path.join(data_path, 'dummy.mask')
self.mask_controller.save_mask_btn_click(filename)
self.assertEqual(self.get_file_size(filename), self.get_file_size(os.path.join(data_path, 'test.mask')))
def test_grow_and_shrinking(self):
self.mask_model.mask_ellipse(100,100,20,20)
previous_mask = np.copy(self.mask_model._mask_data)
QTest.mouseClick(self.mask_widget.grow_btn, QtCore.Qt.LeftButton)
self.assertFalse(np.array_equal(previous_mask, self.mask_model._mask_data))
QTest.mouseClick(self.mask_widget.shrink_btn, QtCore.Qt.LeftButton)
self.assertTrue(np.array_equal(previous_mask, self.mask_model._mask_data))
def setUp(self):
self.app = QtGui.QApplication(sys.argv)
self.working_dir = {}
self.img_model = ImgModel()
self.mask_model = MaskModel()
self.mask_widget = MaskWidget()
self.mask_controller = MaskController(self.working_dir, self.mask_widget, self.img_model, self.mask_model)
def __init__(self, use_settings=True):
self.use_settings = use_settings
self.widget = MainWidget()
# create data
self.img_model = ImgModel()
self.calibration_model = CalibrationModel(self.img_model)
self.mask_model = MaskModel()
self.spectrum_model = PatternModel()
self.phase_model = PhaseModel()
self.settings_directory = os.path.join(os.path.expanduser("~"),
'.Dioptas')
self.working_directories = {
'calibration': '',
'mask': '',
'image': '',
'spectrum': '',
'overlay': '',
'phase': ''
}
if use_settings:
self.load_settings()
self.calibration_controller = CalibrationController(
self.working_directories, self.widget.calibration_widget,
self.img_model, self.mask_model, self.calibration_model)
self.mask_controller = MaskController(self.working_directories,
self.widget.mask_widget,
self.img_model, self.mask_model)
self.integration_controller = IntegrationController(
self.working_directories, self.widget.integration_widget,
self.img_model, self.mask_model, self.calibration_model,
self.spectrum_model, self.phase_model)
self.create_signals()
self.update_title()
self.current_tab_index = 0
def setUp(self):
self.app = QtGui.QApplication(sys.argv)
self.img_model = ImgModel()
self.mask_model = MaskModel()
self.calibration_model = CalibrationModel(self.img_model)
self.calibration_model._calibrants_working_dir = os.path.join(data_path, 'calibrants')
self.calibration_widget = CalibrationWidget()
self.working_dir = {}
self.calibration_controller = CalibrationController(working_dir=self.working_dir,
img_model=self.img_model,
mask_model=self.mask_model,
widget=self.calibration_widget,
calibration_model=self.calibration_model)
def setUp(self):
self.working_dir = {'image': ''}
self.widget = IntegrationWidget()
self.image_model = ImgModel()
self.mask_model = MaskModel()
self.spectrum_model = PatternModel()
self.calibration_model = CalibrationModel(self.image_model)
self.controller = ImageController(
working_dir=self.working_dir,
widget=self.widget,
img_model=self.image_model,
mask_model=self.mask_model,
spectrum_model=self.spectrum_model,
calibration_model=self.calibration_model)
def setUp(self):
self.img_model = ImgModel()
self.mask_model = MaskModel()
self.calibration_model = CalibrationModel(self.img_model)
self.calibration_model._calibrants_working_dir = os.path.join(
data_path, 'calibrants')
self.calibration_model.integrate_1d = MagicMock()
self.calibration_model.integrate_2d = MagicMock()
self.calibration_widget = CalibrationWidget()
self.working_dir = {}
self.calibration_controller = CalibrationController(
working_dir=self.working_dir,
img_model=self.img_model,
mask_model=self.mask_model,
widget=self.calibration_widget,
calibration_model=self.calibration_model)
def __init__(self, use_settings=True):
self.use_settings = use_settings
self.widget = MainWidget()
# create data
self.img_model = ImgModel()
self.calibration_model = CalibrationModel(self.img_model)
self.mask_model = MaskModel()
self.spectrum_model = PatternModel()
self.phase_model = PhaseModel()
self.settings_directory = os.path.join(os.path.expanduser("~"), '.Dioptas')
self.working_directories = {'calibration': '', 'mask': '', 'image': '', 'spectrum': '', 'overlay': '',
'phase': ''}
if use_settings:
self.load_settings()
self.calibration_controller = CalibrationController(self.working_directories,
self.widget.calibration_widget,
self.img_model,
self.mask_model,
self.calibration_model)
self.mask_controller = MaskController(self.working_directories,
self.widget.mask_widget,
self.img_model,
self.mask_model)
self.integration_controller = IntegrationController(self.working_directories,
self.widget.integration_widget,
self.img_model,
self.mask_model,
self.calibration_model,
self.spectrum_model,
self.phase_model)
self.create_signals()
self.update_title()
self.current_tab_index = 0
def setUp(self):
self.mask_model = MaskModel()
self.img = np.zeros((10, 10))
self.mask_model.set_dimension(self.img.shape)
class MaskModelTest(unittest.TestCase):
def setUp(self):
self.mask_model = MaskModel()
self.img = np.zeros((10, 10))
self.mask_model.set_dimension(self.img.shape)
def tearDown(self):
del self.mask_model
del self.img
gc.collect()
def test_growing_masks(self):
self.mask_model._mask_data[4, 4] = 1
self.mask_model._mask_data[0, 0] = 1
self.mask_model._mask_data[0, 9] = 1
self.mask_model._mask_data[9, 9] = 1
self.mask_model._mask_data[9, 0] = 1
self.mask_model.grow()
# test corners
self.assertEqual(self.mask_model._mask_data[0, 1], 1)
self.assertEqual(self.mask_model._mask_data[1, 1], 1)
self.assertEqual(self.mask_model._mask_data[1, 0], 1)
self.assertEqual(self.mask_model._mask_data[0, 8], 1)
self.assertEqual(self.mask_model._mask_data[1, 8], 1)
self.assertEqual(self.mask_model._mask_data[1, 9], 1)
self.assertEqual(self.mask_model._mask_data[8, 0], 1)
self.assertEqual(self.mask_model._mask_data[8, 1], 1)
self.assertEqual(self.mask_model._mask_data[9, 1], 1)
self.assertEqual(self.mask_model._mask_data[8, 8], 1)
self.assertEqual(self.mask_model._mask_data[8, 9], 1)
self.assertEqual(self.mask_model._mask_data[9, 8], 1)
# test center
self.assertEqual(self.mask_model._mask_data[3, 3], 1)
self.assertEqual(self.mask_model._mask_data[4, 3], 1)
self.assertEqual(self.mask_model._mask_data[5, 3], 1)
self.assertEqual(self.mask_model._mask_data[3, 5], 1)
self.assertEqual(self.mask_model._mask_data[4, 5], 1)
self.assertEqual(self.mask_model._mask_data[5, 5], 1)
self.assertEqual(self.mask_model._mask_data[3, 4], 1)
self.assertEqual(self.mask_model._mask_data[5, 4], 1)
def test_shrink_mask(self):
self.mask_model._mask_data[4, 4] = 1
self.mask_model._mask_data[0, 0] = 1
self.mask_model._mask_data[0, 9] = 1
self.mask_model._mask_data[9, 9] = 1
self.mask_model._mask_data[9, 0] = 1
self.before_mask = np.copy(self.mask_model._mask_data)
self.mask_model.grow()
self.mask_model.shrink()
self.assertTrue(np.array_equal(self.before_mask, self.mask_model._mask_data))
self.mask_model.clear_mask()
self.mask_model._mask_data[4, 4] = 1
self.mask_model._mask_data[5, 4] = 1
self.mask_model._mask_data[5, 5] = 1
self.mask_model._mask_data[4, 5] = 1
self.mask_model.shrink()
self.assertEqual(np.sum(self.mask_model._mask_data), 0)
def test_saving_and_loading(self):
self.mask_model.mask_ellipse(1024, 1024, 100, 100)
self.mask_model.set_dimension((2048, 2048))
mask_array = np.copy(self.mask_model.get_img())
filename = os.path.join(data_path, "dummy.mask")
self.mask_model.save_mask(filename)
self.mask_model.load_mask(filename)
self.assertTrue(np.array_equal(mask_array, self.mask_model.get_img()))
os.remove(filename)
class MainController(object):
"""
Creates a the main controller for Dioptas. Creates all the data objects and connects them with the other controllers
"""
def __init__(self, use_settings=True):
self.use_settings = use_settings
self.widget = MainWidget()
# create data
self.img_model = ImgModel()
self.calibration_model = CalibrationModel(self.img_model)
self.mask_model = MaskModel()
self.spectrum_model = PatternModel()
self.phase_model = PhaseModel()
self.settings_directory = os.path.join(os.path.expanduser("~"), '.Dioptas')
self.working_directories = {'calibration': '', 'mask': '', 'image': '', 'spectrum': '', 'overlay': '',
'phase': ''}
if use_settings:
self.load_settings()
self.calibration_controller = CalibrationController(self.working_directories,
self.widget.calibration_widget,
self.img_model,
self.mask_model,
self.calibration_model)
self.mask_controller = MaskController(self.working_directories,
self.widget.mask_widget,
self.img_model,
self.mask_model)
self.integration_controller = IntegrationController(self.working_directories,
self.widget.integration_widget,
self.img_model,
self.mask_model,
self.calibration_model,
self.spectrum_model,
self.phase_model)
self.create_signals()
self.update_title()
self.current_tab_index = 0
def show_window(self):
"""
Displays the main window on the screen and makes it active.
"""
self.widget.show()
if _platform == "darwin":
self.widget.setWindowState(self.widget.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
self.widget.activateWindow()
self.widget.raise_()
def create_signals(self):
"""
Creates subscriptions for changing tabs and also newly loaded files which will update the title of the main
window.
"""
self.widget.tabWidget.currentChanged.connect(self.tab_changed)
self.widget.closeEvent = self.close_event
self.img_model.img_changed.connect(self.update_title)
self.spectrum_model.pattern_changed.connect(self.update_title)
def tab_changed(self, ind):
"""
Function which is called when a tab has been selected (calibration, mask, or integration). Performs
needed initialization tasks.
:param ind: index for the tab selected (2 - integration, 1 = mask, 0 - calibration)
:return:
"""
old_index = self.current_tab_index
self.current_tab_index = ind
# get the old view range
old_view_range = None
old_hist_levels = None
if old_index == 0: # calibration tab
old_view_range = self.widget.calibration_widget.img_widget.img_view_box.targetRange()
old_hist_levels = self.widget.calibration_widget.img_widget.img_histogram_LUT.getExpLevels()
elif old_index == 1: # mask tab
old_view_range = self.widget.mask_widget.img_widget.img_view_box.targetRange()
old_hist_levels = self.widget.mask_widget.img_widget.img_histogram_LUT.getExpLevels()
elif old_index == 2:
old_view_range = self.widget.integration_widget.img_widget.img_view_box.targetRange()
old_hist_levels = self.widget.integration_widget.img_widget.img_histogram_LUT.getExpLevels()
# update the GUI
if ind == 2: # integration tab
self.mask_model.set_supersampling()
self.integration_controller.image_controller.plot_mask()
self.integration_controller.widget.calibration_lbl.setText(self.calibration_model.calibration_name)
self.integration_controller.image_controller._auto_scale = False
self.integration_controller.spectrum_controller.image_changed()
self.integration_controller.image_controller.update_img()
self.widget.integration_widget.img_widget.set_range(x_range=old_view_range[0], y_range=old_view_range[1])
self.widget.integration_widget.img_widget.img_histogram_LUT.setLevels(*old_hist_levels)
elif ind == 1: # mask tab
self.mask_controller.plot_mask()
self.mask_controller.plot_image()
self.widget.mask_widget.img_widget.set_range(x_range=old_view_range[0], y_range=old_view_range[1])
self.widget.mask_widget.img_widget.img_histogram_LUT.setLevels(*old_hist_levels)
elif ind == 0: # calibration tab
self.calibration_controller.plot_mask()
try:
self.calibration_controller.update_calibration_parameter_in_view()
except (TypeError, AttributeError):
pass
self.widget.calibration_widget.img_widget.set_range(x_range=old_view_range[0], y_range=old_view_range[1])
self.widget.calibration_widget.img_widget.img_histogram_LUT.setLevels(*old_hist_levels)
def update_title(self):
"""
Updates the title bar of the main window. The title bar will always show the current version of Dioptas, the
image or spectrum filenames loaded and the current calibration name.
"""
img_filename = os.path.basename(self.img_model.filename)
spec_filename = os.path.basename(self.spectrum_model.pattern_filename)
calibration_name = self.calibration_model.calibration_name
str = 'Dioptas ' + __version__
if img_filename is '' and spec_filename is '':
self.widget.setWindowTitle(str + u' - © 2015 C. Prescher')
self.widget.integration_widget.img_frame.setWindowTitle(str + u' - © 2015 C. Prescher')
return
if img_filename is not '' or spec_filename is not '':
str += ' - ['
if img_filename is not '':
str += img_filename
elif img_filename is '' and spec_filename is not '':
str += spec_filename
if not img_filename == spec_filename:
str += ', ' + spec_filename
if calibration_name is not None:
str += ', calibration: ' + calibration_name
str += ']'
str += u' - © 2015 C. Prescher'
self.widget.setWindowTitle(str)
self.widget.integration_widget.img_frame.setWindowTitle(str)
def load_settings(self):
"""
Loads previously saved Dioptas settings.
"""
if os.path.exists(self.settings_directory):
self.load_directories()
self.load_xml_settings()
def load_directories(self):
"""
Loads previously used Dioptas directory paths.
"""
working_directories_path = os.path.join(self.settings_directory, 'working_directories.csv')
if os.path.exists(working_directories_path):
reader = csv.reader(open(working_directories_path, 'r'))
self.working_directories = dict(x for x in reader)
def load_xml_settings(self):
"""
Loads previously used Dioptas settings. Currently this is only the calibration.
:return:
"""
xml_settings_path = os.path.join(self.settings_directory, "settings.xml")
if os.path.exists(xml_settings_path):
tree = ET.parse(xml_settings_path)
root = tree.getroot()
filenames = root.find("filenames")
calibration_path = filenames.find("calibration").text
if os.path.exists(str(calibration_path)):
self.calibration_model.load(calibration_path)
def save_settings(self):
"""
Saves current settings of Dioptas in the users directory.
"""
if not os.path.exists(self.settings_directory):
os.mkdir(self.settings_directory)
self.save_directories()
self.save_xml_settings()
def save_directories(self):
"""
Currently used working directories for images, spectra, etc. are saved as csv file in the users directory for
reuse when Dioptas is started again
"""
working_directories_path = os.path.join(self.settings_directory, 'working_directories.csv')
writer = csv.writer(open(working_directories_path, 'w'))
for key, value in list(self.working_directories.items()):
writer.writerow([key, value])
writer.writerow([key, value])
def save_xml_settings(self):
"""
Currently used settings of Dioptas are saved in to an xml file in the users directory for reuse when Dioptas is
started again. Right now this is only saving the calibration filename.
"""
root = ET.Element("DioptasSettings")
filenames = ET.SubElement(root, "filenames")
calibration_filename = ET.SubElement(filenames, "calibration")
calibration_filename.text = self.calibration_model.filename
tree = ET.ElementTree(root)
tree.write(os.path.join(self.settings_directory, "settings.xml"))
def close_event(self, _):
"""
Intervention of the Dioptas close event to save settings before closing the Program.
"""
if self.use_settings:
self.save_settings()
QtGui.QApplication.closeAllWindows()
QtGui.QApplication.quit()
class MaskControllerTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.app = QtGui.QApplication([])
@classmethod
def tearDownClass(cls):
cls.app.quit()
cls.app.deleteLater()
def setUp(self):
self.working_dir = {}
self.img_model = ImgModel()
self.mask_model = MaskModel()
self.mask_widget = MaskWidget()
self.mask_controller = MaskController(self.working_dir,
self.mask_widget, self.img_model,
self.mask_model)
def tearDown(self):
del self.img_model
del self.mask_model
self.mask_widget.close()
del self.mask_widget
del self.mask_controller
gc.collect()
def get_file_size(self, filename):
stat_info = os.stat(filename)
return stat_info.st_size
def test_loading_and_saving_mask_files(self):
self.mask_controller.load_mask_btn_click(
os.path.join(data_path, 'test.mask'))
self.mask_model.mask_below_threshold(self.img_model, 1)
filename = os.path.join(data_path, 'dummy.mask')
self.mask_controller.save_mask_btn_click(filename)
self.assertTrue(os.path.exists(filename))
os.remove(filename)
def test_loading_and_saving_with_super_sampling(self):
self.mask_model.set_supersampling(2)
self.mask_controller.load_mask_btn_click(
os.path.join(data_path, 'test.mask'))
self.assertEqual(self.mask_model.get_mask().shape[0], 4096)
self.assertEqual(self.mask_model.get_mask().shape[1], 4096)
self.assertEqual(self.mask_model.get_img().shape[0], 2048)
self.assertEqual(self.mask_model.get_img().shape[1], 2048)
self.mask_model.mask_below_threshold(self.img_model, 1)
filename = os.path.join(data_path, 'dummy.mask')
self.mask_controller.save_mask_btn_click(filename)
self.assertAlmostEqual(self.get_file_size(filename),
self.get_file_size(
os.path.join(data_path, 'test.mask')),
delta=20)
def test_grow_and_shrinking(self):
self.mask_model.mask_ellipse(100, 100, 20, 20)
previous_mask = np.copy(self.mask_model._mask_data)
QTest.mouseClick(self.mask_widget.grow_btn, QtCore.Qt.LeftButton)
self.assertFalse(
np.array_equal(previous_mask, self.mask_model._mask_data))
QTest.mouseClick(self.mask_widget.shrink_btn, QtCore.Qt.LeftButton)
self.assertTrue(
np.array_equal(previous_mask, self.mask_model._mask_data))
def setUp(self):
self.mask_model = MaskModel()
self.img = np.zeros((10, 10))
self.mask_model.set_dimension(self.img.shape)
class MaskModelTest(unittest.TestCase):
def setUp(self):
self.mask_model = MaskModel()
self.img = np.zeros((10, 10))
self.mask_model.set_dimension(self.img.shape)
def tearDown(self):
del self.mask_model
del self.img
gc.collect()
def test_growing_masks(self):
self.mask_model._mask_data[4, 4] = 1
self.mask_model._mask_data[0, 0] = 1
self.mask_model._mask_data[0, 9] = 1
self.mask_model._mask_data[9, 9] = 1
self.mask_model._mask_data[9, 0] = 1
self.mask_model.grow()
# tests corners
self.assertEqual(self.mask_model._mask_data[0, 1], 1)
self.assertEqual(self.mask_model._mask_data[1, 1], 1)
self.assertEqual(self.mask_model._mask_data[1, 0], 1)
self.assertEqual(self.mask_model._mask_data[0, 8], 1)
self.assertEqual(self.mask_model._mask_data[1, 8], 1)
self.assertEqual(self.mask_model._mask_data[1, 9], 1)
self.assertEqual(self.mask_model._mask_data[8, 0], 1)
self.assertEqual(self.mask_model._mask_data[8, 1], 1)
self.assertEqual(self.mask_model._mask_data[9, 1], 1)
self.assertEqual(self.mask_model._mask_data[8, 8], 1)
self.assertEqual(self.mask_model._mask_data[8, 9], 1)
self.assertEqual(self.mask_model._mask_data[9, 8], 1)
# tests center
self.assertEqual(self.mask_model._mask_data[3, 3], 1)
self.assertEqual(self.mask_model._mask_data[4, 3], 1)
self.assertEqual(self.mask_model._mask_data[5, 3], 1)
self.assertEqual(self.mask_model._mask_data[3, 5], 1)
self.assertEqual(self.mask_model._mask_data[4, 5], 1)
self.assertEqual(self.mask_model._mask_data[5, 5], 1)
self.assertEqual(self.mask_model._mask_data[3, 4], 1)
self.assertEqual(self.mask_model._mask_data[5, 4], 1)
def test_shrink_mask(self):
self.mask_model._mask_data[4, 4] = 1
self.mask_model._mask_data[0, 0] = 1
self.mask_model._mask_data[0, 9] = 1
self.mask_model._mask_data[9, 9] = 1
self.mask_model._mask_data[9, 0] = 1
self.before_mask = np.copy(self.mask_model._mask_data)
self.mask_model.grow()
self.mask_model.shrink()
self.assertTrue(np.array_equal(self.before_mask, self.mask_model._mask_data))
self.mask_model.clear_mask()
self.mask_model._mask_data[4, 4] = 1
self.mask_model._mask_data[5, 4] = 1
self.mask_model._mask_data[5, 5] = 1
self.mask_model._mask_data[4, 5] = 1
self.mask_model.shrink()
self.assertEqual(np.sum(self.mask_model._mask_data), 0)
def test_saving_and_loading(self):
self.mask_model.mask_ellipse(1024, 1024, 100, 100)
self.mask_model.set_dimension((2048, 2048))
mask_array = np.copy(self.mask_model.get_img())
filename = os.path.join(data_path, 'dummy.mask')
self.mask_model.save_mask(filename)
self.mask_model.load_mask(filename)
self.assertTrue(np.array_equal(mask_array, self.mask_model.get_img()))
os.remove(filename)
class CbnAbsorptionCorrectionOptimizationTest(unittest.TestCase):
def setUp(self):
# creating Data objects
self.img_data = ImgModel()
self.img_data.load("Data/CbnCorrectionOptimization/Mg2SiO4_091.tif")
self.calibration_data = CalibrationModel(self.img_data)
self.calibration_data.load("Data/CbnCorrectionOptimization/LaB6_40keV side.poni")
self.mask_data = MaskModel()
self.mask_data.load_mask("Data/CbnCorrectionOptimization/Mg2SiO4_91_combined.mask")
# creating the ObliqueAngleDetectorAbsorptionCorrection
_, fit2d_parameter = self.calibration_data.get_calibration_parameter()
detector_tilt = fit2d_parameter['tilt']
detector_tilt_rotation = fit2d_parameter['tiltPlanRotation']
self.tth_array = self.calibration_data.spectrum_geometry.twoThetaArray((2048, 2048))
self.azi_array = self.calibration_data.spectrum_geometry.chiArray((2048, 2048))
self.oiadac_correction = ObliqueAngleDetectorAbsorptionCorrection(
self.tth_array, self.azi_array,
detector_thickness=40,
absorption_length=465.5,
tilt=detector_tilt,
rotation=detector_tilt_rotation,
)
self.img_data.add_img_correction(self.oiadac_correction, "oiadac")
def tearDown(self):
del self.calibration_data.cake_geometry
del self.calibration_data.spectrum_geometry
def test_the_world(self):
params = Parameters()
params.add("diamond_thickness", value=2, min=1.9, max=2.3)
params.add("seat_thickness", value=5.3, min=4.0, max=6.6, vary=False)
params.add("small_cbn_seat_radius", value=0.2, min=0.10, max=0.5, vary=True)
params.add("large_cbn_seat_radius", value=1.95, min=1.85, max=2.05, vary=False)
params.add("tilt", value=3.3, min=0, max=8)
params.add("tilt_rotation", value=0, min=-15, max=+15)
params.add("cbn_abs_length", value=14.05, min=12, max=16)
region = [8, 26]
self.tth_array = 180.0 / np.pi * self.tth_array
self.azi_array = 180.0 / np.pi * self.azi_array
def fcn2min(params):
cbn_correction = CbnCorrection(
tth_array=self.tth_array,
azi_array=self.azi_array,
diamond_thickness=params['diamond_thickness'].value,
seat_thickness=params['seat_thickness'].value,
small_cbn_seat_radius=params['small_cbn_seat_radius'].value,
large_cbn_seat_radius=params['large_cbn_seat_radius'].value,
tilt=params['tilt'].value,
tilt_rotation=params['tilt_rotation'].value,
cbn_abs_length=params["cbn_abs_length"].value
)
self.img_data.add_img_correction(cbn_correction, "cbn")
tth, int = self.calibration_data.integrate_1d(mask=self.mask_data.get_mask())
self.img_data.delete_img_correction("cbn")
ind = np.where((tth > region[0]) & (tth < region[1]))
int = gaussian_filter1d(int, 20)
return (np.diff(int[ind])) ** 2
def output_values(param1, iteration, residual):
report_fit(param1)
result = minimize(fcn2min, params, iter_cb=output_values)
report_fit(params)
# plotting result:
cbn_correction = CbnCorrection(
tth_array=self.tth_array,
azi_array=self.azi_array,
diamond_thickness=params['diamond_thickness'].value,
seat_thickness=params['seat_thickness'].value,
small_cbn_seat_radius=params['small_cbn_seat_radius'].value,
large_cbn_seat_radius=params['large_cbn_seat_radius'].value,
tilt=params['tilt'].value,
tilt_rotation=params['tilt_rotation'].value,
cbn_abs_length=params['cbn_abs_length'].value
)
self.img_data.add_img_correction(cbn_correction, "cbn")
tth, int = self.calibration_data.integrate_1d(mask=self.mask_data.get_mask())
ind = np.where((tth > region[0]) & (tth < region[1]))
tth = tth[ind]
int = int[ind]
int_smooth = gaussian_filter1d(int, 10)
int_diff1 = np.diff(int)
int_diff1_smooth = np.diff(int_smooth)
int_diff2 = np.diff(int_diff1)
int_diff2_smooth = np.diff(int_diff1_smooth)
plt.figure()
plt.subplot(3, 1, 1)
plt.plot(tth, int)
plt.plot(tth, int_smooth)
plt.subplot(3, 1, 2)
plt.plot(int_diff1)
plt.plot(int_diff1_smooth)
plt.subplot(3, 1, 3)
plt.plot(int_diff2)
plt.plot(int_diff2_smooth)
plt.savefig("Results/optimize_cbn_absorption.png", dpi=300)
os.system("open " + "Results/optimize_cbn_absorption.png")
class MainController(object):
"""
Creates a the main controller for Dioptas. Creates all the data objects and connects them with the other controllers
"""
def __init__(self, use_settings=True):
self.use_settings = use_settings
self.widget = MainWidget()
# create data
self.img_model = ImgModel()
self.calibration_model = CalibrationModel(self.img_model)
self.mask_model = MaskModel()
self.spectrum_model = PatternModel()
self.phase_model = PhaseModel()
self.settings_directory = os.path.join(os.path.expanduser("~"),
'.Dioptas')
self.working_directories = {
'calibration': '',
'mask': '',
'image': '',
'spectrum': '',
'overlay': '',
'phase': ''
}
if use_settings:
self.load_settings()
self.calibration_controller = CalibrationController(
self.working_directories, self.widget.calibration_widget,
self.img_model, self.mask_model, self.calibration_model)
self.mask_controller = MaskController(self.working_directories,
self.widget.mask_widget,
self.img_model, self.mask_model)
self.integration_controller = IntegrationController(
self.working_directories, self.widget.integration_widget,
self.img_model, self.mask_model, self.calibration_model,
self.spectrum_model, self.phase_model)
self.create_signals()
self.update_title()
self.current_tab_index = 0
def show_window(self):
"""
Displays the main window on the screen and makes it active.
"""
self.widget.show()
if _platform == "darwin":
self.widget.setWindowState(self.widget.windowState()
& ~QtCore.Qt.WindowMinimized
| QtCore.Qt.WindowActive)
self.widget.activateWindow()
self.widget.raise_()
def create_signals(self):
"""
Creates subscriptions for changing tabs and also newly loaded files which will update the title of the main
window.
"""
self.widget.tabWidget.currentChanged.connect(self.tab_changed)
self.widget.closeEvent = self.close_event
self.img_model.img_changed.connect(self.update_title)
self.spectrum_model.pattern_changed.connect(self.update_title)
def tab_changed(self, ind):
"""
Function which is called when a tab has been selected (calibration, mask, or integration). Performs
needed initialization tasks.
:param ind: index for the tab selected (2 - integration, 1 = mask, 0 - calibration)
:return:
"""
old_index = self.current_tab_index
self.current_tab_index = ind
# get the old view range
old_view_range = None
old_hist_levels = None
if old_index == 0: # calibration tab
old_view_range = self.widget.calibration_widget.img_widget.img_view_box.targetRange(
)
old_hist_levels = self.widget.calibration_widget.img_widget.img_histogram_LUT.getExpLevels(
)
elif old_index == 1: # mask tab
old_view_range = self.widget.mask_widget.img_widget.img_view_box.targetRange(
)
old_hist_levels = self.widget.mask_widget.img_widget.img_histogram_LUT.getExpLevels(
)
elif old_index == 2:
old_view_range = self.widget.integration_widget.img_widget.img_view_box.targetRange(
)
old_hist_levels = self.widget.integration_widget.img_widget.img_histogram_LUT.getExpLevels(
)
# update the GUI
if ind == 2: # integration tab
self.mask_model.set_supersampling()
self.integration_controller.image_controller.plot_mask()
self.integration_controller.widget.calibration_lbl.setText(
self.calibration_model.calibration_name)
self.integration_controller.image_controller._auto_scale = False
self.integration_controller.spectrum_controller.image_changed()
self.integration_controller.image_controller.update_img()
self.widget.integration_widget.img_widget.set_range(
x_range=old_view_range[0], y_range=old_view_range[1])
self.widget.integration_widget.img_widget.img_histogram_LUT.setLevels(
*old_hist_levels)
elif ind == 1: # mask tab
self.mask_controller.plot_mask()
self.mask_controller.plot_image()
self.widget.mask_widget.img_widget.set_range(
x_range=old_view_range[0], y_range=old_view_range[1])
self.widget.mask_widget.img_widget.img_histogram_LUT.setLevels(
*old_hist_levels)
elif ind == 0: # calibration tab
self.calibration_controller.plot_mask()
try:
self.calibration_controller.update_calibration_parameter_in_view(
)
except (TypeError, AttributeError):
pass
self.widget.calibration_widget.img_widget.set_range(
x_range=old_view_range[0], y_range=old_view_range[1])
self.widget.calibration_widget.img_widget.img_histogram_LUT.setLevels(
*old_hist_levels)
def update_title(self):
"""
Updates the title bar of the main window. The title bar will always show the current version of Dioptas, the
image or spectrum filenames loaded and the current calibration name.
"""
img_filename = os.path.basename(self.img_model.filename)
spec_filename = os.path.basename(self.spectrum_model.pattern_filename)
calibration_name = self.calibration_model.calibration_name
str = 'Dioptas ' + __version__
if img_filename is '' and spec_filename is '':
self.widget.setWindowTitle(str + u' - © 2015 C. Prescher')
self.widget.integration_widget.img_frame.setWindowTitle(
str + u' - © 2015 C. Prescher')
return
if img_filename is not '' or spec_filename is not '':
str += ' - ['
if img_filename is not '':
str += img_filename
elif img_filename is '' and spec_filename is not '':
str += spec_filename
if not img_filename == spec_filename:
str += ', ' + spec_filename
if calibration_name is not None:
str += ', calibration: ' + calibration_name
str += ']'
str += u' - © 2015 C. Prescher'
self.widget.setWindowTitle(str)
self.widget.integration_widget.img_frame.setWindowTitle(str)
def load_settings(self):
"""
Loads previously saved Dioptas settings.
"""
if os.path.exists(self.settings_directory):
self.load_directories()
self.load_xml_settings()
def load_directories(self):
"""
Loads previously used Dioptas directory paths.
"""
working_directories_path = os.path.join(self.settings_directory,
'working_directories.csv')
if os.path.exists(working_directories_path):
reader = csv.reader(open(working_directories_path, 'r'))
self.working_directories = dict(x for x in reader)
def load_xml_settings(self):
"""
Loads previously used Dioptas settings. Currently this is only the calibration.
:return:
"""
xml_settings_path = os.path.join(self.settings_directory,
"settings.xml")
if os.path.exists(xml_settings_path):
tree = ET.parse(xml_settings_path)
root = tree.getroot()
filenames = root.find("filenames")
calibration_path = filenames.find("calibration").text
if os.path.exists(str(calibration_path)):
self.calibration_model.load(calibration_path)
def save_settings(self):
"""
Saves current settings of Dioptas in the users directory.
"""
if not os.path.exists(self.settings_directory):
os.mkdir(self.settings_directory)
self.save_directories()
self.save_xml_settings()
def save_directories(self):
"""
Currently used working directories for images, spectra, etc. are saved as csv file in the users directory for
reuse when Dioptas is started again
"""
working_directories_path = os.path.join(self.settings_directory,
'working_directories.csv')
writer = csv.writer(open(working_directories_path, 'w'))
for key, value in list(self.working_directories.items()):
writer.writerow([key, value])
writer.writerow([key, value])
def save_xml_settings(self):
"""
Currently used settings of Dioptas are saved in to an xml file in the users directory for reuse when Dioptas is
started again. Right now this is only saving the calibration filename.
"""
root = ET.Element("DioptasSettings")
filenames = ET.SubElement(root, "filenames")
calibration_filename = ET.SubElement(filenames, "calibration")
calibration_filename.text = self.calibration_model.filename
tree = ET.ElementTree(root)
tree.write(os.path.join(self.settings_directory, "settings.xml"))
def close_event(self, _):
"""
Intervention of the Dioptas close event to save settings before closing the Program.
"""
if self.use_settings:
self.save_settings()
QtGui.QApplication.closeAllWindows()
QtGui.QApplication.quit()
class MainController(object):
"""
Creates a the main controller for Dioptas. Loads all the data objects and connects them with the other controllers
"""
def __init__(self, use_settings=True):
self.use_settings = use_settings
self.widget = MainWidget()
#create data
self.img_model = ImgModel()
self.calibration_model = CalibrationModel(self.img_model)
self.mask_model = MaskModel()
self.spectrum_model = SpectrumModel()
self.phase_model = PhaseModel()
self.settings_directory = os.path.join(os.path.expanduser("~"), '.Dioptas')
self.working_directories = {'calibration': '', 'mask': '', 'image': '', 'spectrum': '', 'overlay': '',
'phase': ''}
if use_settings:
self.load_settings()
#create controller
self.calibration_controller = CalibrationController(self.working_directories,
self.widget.calibration_widget,
self.img_model,
self.mask_model,
self.calibration_model)
self.mask_controller = MaskController(self.working_directories,
self.widget.mask_widget,
self.img_model,
self.mask_model)
self.integration_controller = IntegrationController(self.working_directories,
self.widget.integration_widget,
self.img_model,
self.mask_model,
self.calibration_model,
self.spectrum_model,
self.phase_model)
self.create_signals()
self.set_title()
def show_window(self):
self.widget.show()
self.widget.setWindowState(self.widget.windowState() & ~QtCore.Qt.WindowMinimized | QtCore.Qt.WindowActive)
self.widget.activateWindow()
self.widget.raise_()
def create_signals(self):
self.widget.tabWidget.currentChanged.connect(self.tab_changed)
self.widget.closeEvent = self.close_event
self.img_model.subscribe(self.set_title)
self.spectrum_model.spectrum_changed.connect(self.set_title)
def tab_changed(self, ind):
if ind == 2:
self.mask_model.set_supersampling()
self.integration_controller.image_controller.plot_mask()
self.integration_controller.widget.calibration_lbl.setText(self.calibration_model.calibration_name)
self.integration_controller.image_controller._auto_scale = False
self.integration_controller.spectrum_controller.image_changed()
self.integration_controller.image_controller.update_img()
elif ind == 1:
self.mask_controller.plot_mask()
self.mask_controller.plot_image()
elif ind == 0:
self.calibration_controller.plot_mask()
try:
self.calibration_controller.update_calibration_parameter_in_view()
except (TypeError, AttributeError):
pass
def set_title(self):
img_filename = os.path.basename(self.img_model.filename)
spec_filename = os.path.basename(self.spectrum_model.spectrum_filename)
calibration_name = self.calibration_model.calibration_name
str = 'Dioptas ' + __version__
if img_filename is '' and spec_filename is '':
self.widget.setWindowTitle(str + u' - © 2015 C. Prescher')
self.widget.integration_widget.img_frame.setWindowTitle(str + u' - © 2015 C. Prescher')
return
if img_filename is not '' or spec_filename is not '':
str += ' - ['
if img_filename is not '':
str += img_filename
elif img_filename is '' and spec_filename is not '':
str += spec_filename
if not img_filename == spec_filename:
str += ', ' + spec_filename
if calibration_name is not None:
str += ', calibration: ' + calibration_name
str += ']'
str += u' - © 2015 C. Prescher'
self.widget.setWindowTitle(str)
self.widget.integration_widget.img_frame.setWindowTitle(str)
def load_settings(self):
if os.path.exists(self.settings_directory):
self.load_directories()
self.load_xml_settings()
def load_directories(self):
working_directories_path = os.path.join(self.settings_directory, 'working_directories.csv')
if os.path.exists(working_directories_path):
reader = csv.reader(open(working_directories_path, 'r'))
self.working_directories = dict(x for x in reader)
def load_xml_settings(self):
xml_settings_path = os.path.join(self.settings_directory, "settings.xml")
if os.path.exists(xml_settings_path):
tree = ET.parse(xml_settings_path)
root = tree.getroot()
filenames = root.find("filenames")
calibration_path=filenames.find("calibration").text
if os.path.exists(str(calibration_path)):
self.calibration_model.load(calibration_path)
def save_settings(self):
if not os.path.exists(self.settings_directory):
os.mkdir(self.settings_directory)
self.save_directories()
self.save_xml_settings()
def save_directories(self):
working_directories_path = os.path.join(self.settings_directory, 'working_directories.csv')
writer = csv.writer(open(working_directories_path, 'w'))
for key, value in list(self.working_directories.items()):
writer.writerow([key, value])
writer.writerow([key, value])
def save_xml_settings(self):
root = ET.Element("DioptasSettings")
filenames = ET.SubElement(root, "filenames")
calibration_filename = ET.SubElement(filenames, "calibration")
calibration_filename.text = self.calibration_model.filename
tree = ET.ElementTree(root)
tree.write(os.path.join(self.settings_directory, "settings.xml"))
def close_event(self, _):
if self.use_settings:
self.save_settings()
QtGui.QApplication.closeAllWindows()
QtGui.QApplication.quit()
class CalibrationControllerTest(unittest.TestCase):
def setUp(self):
self.app = QtGui.QApplication(sys.argv)
self.img_model = ImgModel()
self.mask_model = MaskModel()
self.calibration_model = CalibrationModel(self.img_model)
self.calibration_model._calibrants_working_dir = os.path.join(data_path, 'calibrants')
self.calibration_widget = CalibrationWidget()
self.working_dir = {}
self.calibration_controller = CalibrationController(working_dir=self.working_dir,
img_model=self.img_model,
mask_model=self.mask_model,
widget=self.calibration_widget,
calibration_model=self.calibration_model)
def tearDown(self):
del self.img_model
del self.calibration_model.cake_geometry
del self.calibration_model.spectrum_geometry
del self.calibration_model
del self.app
gc.collect()
def load_pilatus_1M_and_pick_peaks(self):
self.calibration_controller.load_img(os.path.join(data_path,'CeO2_Pilatus1M.tif'))
QTest.mouseClick(self.calibration_widget.automatic_peak_num_inc_cb, QtCore.Qt.LeftButton)
self.assertFalse(self.calibration_widget.automatic_peak_num_inc_cb.isChecked())
self.calibration_controller.search_peaks(517.664434674, 647.529865592)
self.calibration_controller.search_peaks(667.380513299, 525.252854758)
self.calibration_controller.search_peaks(671.110095329, 473.571503774)
self.calibration_controller.search_peaks(592.788872703, 350.495296791)
self.calibration_controller.search_peaks(387.395462348, 390.987901686)
self.calibration_controller.search_peaks(367.94835605, 554.290314848)
self.calibration_widget.sv_wavelength_txt.setText('0.406626')
self.calibration_widget.sv_distance_txt.setText('200')
self.calibration_widget.sv_pixel_width_txt.setText('172')
self.calibration_widget.sv_pixel_height_txt.setText('172')
calibrant_index = self.calibration_widget.calibrant_cb.findText('CeO2')
self.calibration_widget.calibrant_cb.setCurrentIndex(calibrant_index)
self.mask_model.set_dimension(self.img_model.img_data.shape)
def test_automatic_calibration1(self):
self.calibration_controller.load_img(os.path.join(data_path,'LaB6_40keV_MarCCD.tif'))
self.calibration_controller.search_peaks(1179.6, 1129.4)
self.calibration_controller.search_peaks(1268.5, 1119.8)
self.calibration_controller.widget.sv_wavelength_txt.setText('0.31')
self.calibration_controller.widget.sv_distance_txt.setText('200')
self.calibration_controller.widget.sv_pixel_width_txt.setText('79')
self.calibration_controller.widget.sv_pixel_height_txt.setText('79')
calibrant_index = self.calibration_widget.calibrant_cb.findText('LaB6')
self.calibration_controller.widget.calibrant_cb.setCurrentIndex(calibrant_index)
self.calibration_controller.calibrate()
self.calibration_controller.widget.cake_view.set_vertical_line_pos(1419.8, 653.4)
def test_automatic_calibration2(self):
self.calibration_controller.load_img(os.path.join(data_path,'LaB6_OffCenter_PE.tif'))
self.calibration_controller.search_peaks(1245.2, 1919.3)
self.calibration_controller.search_peaks(1334.0, 1823.7)
self.calibration_controller.widget.sv_wavelength_txt.setText('0.3344')
self.calibration_controller.widget.sv_distance_txt.setText('500')
self.calibration_controller.widget.sv_pixel_width_txt.setText('200')
self.calibration_controller.widget.sv_pixel_height_txt.setText('200')
calibrant_index = self.calibration_widget.calibrant_cb.findText('LaB6')
self.calibration_controller.widget.calibrant_cb.setCurrentIndex(calibrant_index)
self.calibration_controller.calibrate()
self.calibration_controller.widget.cake_view.set_vertical_line_pos(206.5, 171.6)
def test_automatic_calibration3(self):
self.load_pilatus_1M_and_pick_peaks()
start_values = self.calibration_widget.get_start_values()
self.assertAlmostEqual(start_values['wavelength'], 0.406626e-10)
self.assertAlmostEqual(start_values['pixel_height'], 172e-6)
self.assertAlmostEqual(start_values['pixel_width'], 172e-6)
self.calibration_controller.load_calibrant()
self.assertAlmostEqual(self.calibration_model.calibrant.wavelength, 0.406626e-10)
QTest.mouseClick(self.calibration_widget.integrate_btn, QtCore.Qt.LeftButton)
calibration_parameter = self.calibration_model.get_calibration_parameter()[0]
self.assertAlmostEqual(calibration_parameter['dist'], .2086, places=4)
def test_automatic_calibration_with_supersampling(self):
self.load_pilatus_1M_and_pick_peaks()
self.img_model.set_supersampling(2)
self.calibration_model.set_supersampling(2)
self.calibration_controller.calibrate()
def test_automatic_calibration_with_supersampling_and_mask(self):
self.load_pilatus_1M_and_pick_peaks()
self.img_model.set_supersampling(2)
self.mask_model.mask_below_threshold(self.img_model._img_data, 1)
self.mask_model.set_supersampling(2)
self.calibration_model.set_supersampling(2)
self.calibration_controller.widget.use_mask_cb.setChecked(True)
self.calibration_controller.calibrate()
def test_calibrating_one_image_size_and_loading_different_image_size(self):
self.load_pilatus_1M_and_pick_peaks()
self.calibration_controller.calibrate()
self.calibration_model.integrate_1d()
self.calibration_model.integrate_2d()
self.calibration_controller.load_img(os.path.join(data_path, 'CeO2_Pilatus1M.tif'))
self.calibration_model.integrate_1d()
self.calibration_model.integrate_2d()
def test_loading_and_saving_of_calibration_files(self):
self.calibration_controller.load_calibration(os.path.join(data_path, 'LaB6_40keV_MarCCD.poni'))
self.calibration_controller.save_calibration(os.path.join(data_path, 'calibration.poni'))
self.assertTrue(os.path.exists(os.path.join(data_path, 'calibration.poni')))
os.remove(os.path.join(data_path, 'calibration.poni'))