class CalibrationModelTest(unittest.TestCase): @classmethod def setUpClass(cls): cls.app = QtGui.QApplication([]) @classmethod def tearDownClass(cls): cls.app.quit() cls.app.deleteLater() def setUp(self): self.img_model = ImgModel() self.calibration_model = CalibrationModel(self.img_model) def tearDown(self): del self.img_model if hasattr(self.calibration_model, 'cake_geometry'): del self.calibration_model.cake_geometry del self.calibration_model.spectrum_geometry del self.calibration_model gc.collect() def test_loading_calibration_gives_right_pixel_size(self): self.calibration_model.spectrum_geometry.load(os.path.join(data_path, 'CeO2_Pilatus1M.poni')) self.assertEqual(self.calibration_model.spectrum_geometry.pixel1, 0.000172) self.calibration_model.load(os.path.join(data_path, 'LaB6_40keV_MarCCD.poni')) self.assertEqual(self.calibration_model.spectrum_geometry.pixel1, 0.000079) def test_find_peaks_automatic(self): self.load_pilatus_1M_and_find_peaks() self.assertEqual(len(self.calibration_model.points), 6) for points in self.calibration_model.points: self.assertGreater(len(points), 0) def test_find_peak(self): """ Tests the find_peak function for several maxima and pick points """ points_and_pick_points = [ [[30, 50], [31, 49]], [[30, 50], [34, 46]], [[5, 5], [3, 3]], [[298, 298], [299, 299]] ] for data in points_and_pick_points: self.img_model._img_data = np.zeros((300, 300)) point = data[0] pick_point = data[1] self.img_model._img_data[point[0], point[1]] = 100 peak_point = self.calibration_model.find_peak(pick_point[0], pick_point[1], 10, 0) self.assertEqual(peak_point[0][0], point[0]) self.assertEqual(peak_point[0][1], point[1]) def test_search_peaks_on_ring(self): """ Tests to search on the first ring of the calibrant after an inital calibration """ pass def load_pilatus_1M_and_find_peaks(self): self.img_model.load(os.path.join(data_path, 'CeO2_Pilatus1M.tif')) self.calibration_model.find_peaks_automatic(517.664434674, 647.529865592, 0) self.calibration_model.find_peaks_automatic(667.380513299, 525.252854758, 1) self.calibration_model.find_peaks_automatic(671.110095329, 473.571503774, 2) self.calibration_model.find_peaks_automatic(592.788872703, 350.495296791, 3) self.calibration_model.find_peaks_automatic(387.395462348, 390.987901686, 4) self.calibration_model.find_peaks_automatic(367.94835605, 554.290314848, 5) def test_calibration_with_supersampling(self): self.load_pilatus_1M_and_find_peaks() self.calibration_model.set_calibrant(os.path.join(calibrant_path, 'LaB6.D')) self.calibration_model.calibrate() normal_poni1 = self.calibration_model.spectrum_geometry.poni1 self.img_model.set_supersampling(2) self.calibration_model.set_supersampling(2) self.calibration_model.calibrate() self.assertAlmostEqual(normal_poni1, self.calibration_model.spectrum_geometry.poni1, places=5) def test_calibration1(self): self.img_model.load(os.path.join(data_path, 'LaB6_40keV_MarCCD.tif')) self.calibration_model.find_peaks_automatic(1179.6, 1129.4, 0) self.calibration_model.find_peaks_automatic(1268.5, 1119.8, 1) self.calibration_model.set_calibrant(os.path.join(calibrant_path, 'LaB6.D')) self.calibration_model.calibrate() self.assertGreater(self.calibration_model.spectrum_geometry.poni1, 0) self.assertAlmostEqual(self.calibration_model.spectrum_geometry.dist, 0.18, delta=0.01) self.assertGreater(self.calibration_model.cake_geometry.poni1, 0) def test_calibration2(self): self.img_model.load(os.path.join(data_path, 'LaB6_OffCenter_PE.tif')) self.calibration_model.find_peaks_automatic(1245.2, 1919.3, 0) self.calibration_model.find_peaks_automatic(1334.0, 1823.7, 1) self.calibration_model.start_values['dist'] = 500e-3 self.calibration_model.start_values['pixel_height'] = 200e-6 self.calibration_model.start_values['pixel_width'] = 200e-6 self.calibration_model.set_calibrant(os.path.join(calibrant_path, 'LaB6.D')) self.calibration_model.calibrate() self.assertGreater(self.calibration_model.spectrum_geometry.poni1, 0) self.assertAlmostEqual(self.calibration_model.spectrum_geometry.dist, 0.500, delta=0.01) self.assertGreater(self.calibration_model.cake_geometry.poni1, 0) def test_calibration3(self): self.load_pilatus_1M_and_find_peaks() self.calibration_model.start_values['wavelength'] = 0.406626e-10 self.calibration_model.start_values['pixel_height'] = 172e-6 self.calibration_model.start_values['pixel_width'] = 172e-6 self.calibration_model.set_calibrant(os.path.join(calibrant_path, 'LaB6.D')) self.calibration_model.calibrate() self.assertGreater(self.calibration_model.spectrum_geometry.poni1, 0) self.assertAlmostEqual(self.calibration_model.spectrum_geometry.dist, 0.100, delta=0.02) self.assertGreater(self.calibration_model.cake_geometry.poni1, 0) def test_get_pixel_ind(self): self.img_model.load(os.path.join(data_path, 'image_001.tif')) self.calibration_model.load(os.path.join(data_path, 'LaB6_40keV_MarCCD.poni')) self.calibration_model.integrate_1d(1000) tth_array = self.calibration_model.spectrum_geometry.ttha azi_array = self.calibration_model.spectrum_geometry.chia for i in range(100): ind1 = np.random.random_integers(0, 2023) ind2 = np.random.random_integers(0, 2023) tth = tth_array[ind1, ind2] azi = azi_array[ind1, ind2] result_ind1, result_ind2 = self.calibration_model.get_pixel_ind(tth, azi) self.assertAlmostEqual(ind1, result_ind1, places=3) self.assertAlmostEqual(ind2, result_ind2, places=3)
class ImgModelTest(unittest.TestCase): @classmethod def setUpClass(cls): cls.app = QtGui.QApplication([]) @classmethod def tearDownClass(cls): cls.app.quit() def setUp(self): self.img_model = ImgModel() self.img_model.load(os.path.join(data_path, 'image_001.tif')) def tearDown(self): del self.img_model def perform_transformations_tests(self): self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.rotate_img_m90() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.flip_img_horizontally() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.rotate_img_p90() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.flip_img_vertically() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.reset_img_transformations() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) def test_load_emits_signal(self): callback_fcn = MagicMock() self.img_model.img_changed.connect(callback_fcn) self.img_model.load(os.path.join(data_path, 'image_001.tif')) callback_fcn.assert_called_once_with() def test_flipping_images(self): original_image = np.copy(self.img_model._img_data) self.img_model.flip_img_vertically() self.assertTrue(np.array_equal(self.img_model._img_data, np.flipud(original_image))) def test_simple_background_subtraction(self): self.first_image = np.copy(self.img_model.get_img_data()) self.img_model.load_next_file() self.second_image = np.copy(self.img_model.get_img_data()) self.img_model.load(os.path.join(data_path, 'image_001.tif')) self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) self.assertFalse(np.array_equal(self.first_image, self.img_model.get_img_data())) self.img_model.load_next_file() self.assertEqual(np.sum(self.img_model.get_img_data()), 0) def test_background_subtraction_with_supersampling(self): self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) self.img_model.set_supersampling(2) self.img_model.get_img_data() self.img_model.set_supersampling(3) self.img_model.get_img_data() self.img_model.load_next_file() self.img_model.get_img_data() def test_background_subtraction_with_transformation(self): self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) original_img = np.copy(self.img_model._img_data) original_background = np.copy(self.img_model._background_data) self.assertNotEqual(self.img_model._background_data, None) self.assertFalse(np.array_equal(self.img_model.img_data, self.img_model._img_data)) original_img_background_subtracted = np.copy(self.img_model.get_img_data()) self.assertTrue(np.array_equal(original_img_background_subtracted, original_img - original_background)) ### now comes the main process - flipping the image self.img_model.flip_img_vertically() flipped_img = np.copy(self.img_model._img_data) self.assertTrue(np.array_equal(np.flipud(original_img), flipped_img)) flipped_background = np.copy(self.img_model._background_data) self.assertTrue(np.array_equal(np.flipud(original_background), flipped_background)) flipped_img_background_subtracted = np.copy(self.img_model.get_img_data()) self.assertTrue(np.array_equal(flipped_img_background_subtracted, flipped_img - flipped_background)) self.assertTrue(np.array_equal(np.flipud(original_img_background_subtracted), flipped_img_background_subtracted)) self.assertEqual(np.sum(np.flipud(original_img_background_subtracted) - flipped_img_background_subtracted), 0) self.img_model.load(os.path.join(data_path, 'image_002.tif')) self.perform_transformations_tests() def test_background_subtraction_with_supersampling_and_image_transformation(self): self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) self.img_model.load(os.path.join(data_path, 'image_002.tif')) self.img_model.set_supersampling(2) self.assertEqual(self.img_model.get_img_data().shape, (4096, 4096)) self.perform_transformations_tests() self.img_model.set_supersampling(3) self.assertEqual(self.img_model.get_img_data().shape, (6144, 6144)) self.perform_transformations_tests() self.img_model.load(os.path.join(data_path, 'image_002.tif')) self.assertEqual(self.img_model.get_img_data().shape, (6144, 6144)) self.perform_transformations_tests() def test_background_scaling_and_offset(self): self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) # assure that everything is correct before self.assertTrue(np.array_equal(self.img_model.get_img_data(), self.img_model._img_data - self.img_model._background_data)) # set scaling and see difference self.img_model.set_background_scaling(2.4) self.assertTrue(np.array_equal(self.img_model.get_img_data(), self.img_model._img_data - 2.4 * self.img_model._background_data)) # set offset and see the difference self.img_model.set_background_scaling(1.0) self.img_model.set_background_offset(100.0) self.assertTrue(np.array_equal(self.img_model.img_data, self.img_model._img_data - (self.img_model._background_data + 100.0))) # use offset and scaling combined self.img_model.set_background_scaling(2.3) self.img_model.set_background_offset(100.0) self.assertTrue(np.array_equal(self.img_model.img_data, self.img_model._img_data - (2.3 * self.img_model._background_data + 100))) def test_background_with_different_shape(self): self.img_model.load_background(os.path.join(data_path, 'CeO2_Pilatus1M.tif')) self.assertEqual(self.img_model._background_data, None) self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) self.assertTrue(self.img_model._background_data is not None) self.img_model.load(os.path.join(data_path, 'CeO2_Pilatus1M.tif')) self.assertEqual(self.img_model._background_data, None) def test_absorption_correction_with_supersampling(self): original_image = np.copy(self.img_model._img_data) dummy_correction = DummyCorrection(self.img_model.get_img_data().shape, 0.6) self.img_model.add_img_correction(dummy_correction, "Dummy 1") self.assertAlmostEqual(np.sum(original_image / 0.6), np.sum(self.img_model.get_img_data()), places=4) self.img_model.set_supersampling(2) self.img_model.get_img_data() def test_absorption_correction_with_different_image_sizes(self): dummy_correction = DummyCorrection(self.img_model.get_img_data().shape, 0.4) # self.img_data.set_absorption_correction(np.ones(self.img_data._img_data.shape)*0.4) self.img_model.add_img_correction(dummy_correction, "Dummy 1") self.assertTrue(self.img_model._img_corrections.has_items()) self.img_model.load(os.path.join(data_path, 'CeO2_Pilatus1M.tif')) self.assertFalse(self.img_model.has_corrections()) def test_adding_several_absorption_corrections(self): original_image = np.copy(self.img_model.get_img_data()) img_shape = original_image.shape self.img_model.add_img_correction(DummyCorrection(img_shape, 0.4)) self.img_model.add_img_correction(DummyCorrection(img_shape, 3)) self.img_model.add_img_correction(DummyCorrection(img_shape, 5)) self.assertTrue(np.sum(original_image) / (0.5 * 3 * 5), np.sum(self.img_model.get_img_data())) self.img_model.delete_img_correction(1) self.assertTrue(np.sum(original_image) / (0.5 * 5), np.sum(self.img_model.get_img_data())) def test_saving_data(self): self.img_model.load(os.path.join(data_path, 'image_001.tif')) filename = os.path.join(data_path, 'test.tif') self.img_model.save(filename) first_img_array = np.copy(self.img_model._img_data) self.img_model.load(filename) self.assertTrue(np.array_equal(first_img_array, self.img_model._img_data)) self.assertTrue(os.path.exists(filename)) os.remove(filename) def test_negative_rotation(self): pre_transformed_data = self.img_model.get_img_data() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) def test_combined_rotation(self): pre_transformed_data = self.img_model.get_img_data() self.img_model.rotate_img_m90() self.img_model.rotate_img_p90() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) def test_flip_img_horizontally(self): pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_horizontally() self.img_model.flip_img_horizontally() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) def test_flip_img_vertically(self): pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_vertically() self.img_model.flip_img_vertically() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) def test_combined_rotation_and_flipping(self): self.img_model.flip_img_vertically() self.img_model.flip_img_horizontally() self.img_model.rotate_img_m90() self.img_model.rotate_img_p90() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.img_model.flip_img_horizontally() transformed_data = self.img_model.get_img_data() self.img_model.load(os.path.join(data_path, 'image_001.tif')) self.assertTrue(np.array_equal(self.img_model.get_img_data(), transformed_data)) def test_reset_img_transformation(self): pre_transformed_data = self.img_model.get_img_data() self.img_model.rotate_img_m90() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) pre_transformed_data = self.img_model.get_img_data() self.img_model.rotate_img_p90() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_horizontally() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_vertically() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_vertically() self.img_model.flip_img_horizontally() self.img_model.rotate_img_m90() self.img_model.rotate_img_p90() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.img_model.flip_img_horizontally() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) def test_loading_a_tagged_tif_file_and_retrieving_info_string(self): self.img_model.load(os.path.join(data_path, "attrib.tif")) self.assertIn("areaDetector", self.img_model.file_info) def test_loading_spe_file(self): self.img_model.load(os.path.join(spe_path, 'CeO2_PI_CCD_Mo.SPE')) self.assertEqual(self.img_model.img_data.shape, (1042, 1042))
class ImgDataUnitTest(unittest.TestCase): def setUp(self): self.app = QtGui.QApplication([]) self.img_model = ImgModel() self.img_model.load(os.path.join(data_path, 'image_001.tif')) def tearDown(self): del self.app del self.img_model gc.collect() def perform_transformations_tests(self): self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.rotate_img_m90() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.flip_img_horizontally() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.rotate_img_p90() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.flip_img_vertically() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) self.img_model.reset_img_transformations() self.assertEqual(np.sum(np.absolute(self.img_model.get_img_data())), 0) def test_flipping_images(self): original_image = np.copy(self.img_model._img_data) self.img_model.flip_img_vertically() self.assertTrue(np.array_equal(self.img_model._img_data, np.flipud(original_image))) def test_simple_background_subtraction(self): self.first_image = np.copy(self.img_model.get_img_data()) self.img_model.load_next_file() self.second_image = np.copy(self.img_model.get_img_data()) self.img_model.load(os.path.join(data_path, 'image_001.tif')) self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) self.assertFalse(np.array_equal(self.first_image, self.img_model.get_img_data())) self.img_model.load_next_file() self.assertEqual(np.sum(self.img_model.get_img_data()), 0) def test_background_subtraction_with_supersampling(self): self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) self.img_model.set_supersampling(2) self.img_model.get_img_data() self.img_model.set_supersampling(3) self.img_model.get_img_data() self.img_model.load_next_file() self.img_model.get_img_data() def test_background_subtraction_with_transformation(self): self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) original_img = np.copy(self.img_model._img_data) original_background = np.copy(self.img_model._background_data) self.assertNotEqual(self.img_model._background_data, None) self.assertFalse(np.array_equal(self.img_model.img_data, self.img_model._img_data)) original_img_background_subtracted = np.copy(self.img_model.get_img_data()) self.assertTrue(np.array_equal(original_img_background_subtracted, original_img-original_background)) ### now comes the main process - flipping the image self.img_model.flip_img_vertically() flipped_img = np.copy(self.img_model._img_data) self.assertTrue(np.array_equal(np.flipud(original_img), flipped_img)) flipped_background = np.copy(self.img_model._background_data) self.assertTrue(np.array_equal(np.flipud(original_background), flipped_background)) flipped_img_background_subtracted = np.copy(self.img_model.get_img_data()) self.assertTrue(np.array_equal(flipped_img_background_subtracted, flipped_img-flipped_background)) self.assertTrue(np.array_equal(np.flipud(original_img_background_subtracted), flipped_img_background_subtracted)) self.assertEqual(np.sum(np.flipud(original_img_background_subtracted)-flipped_img_background_subtracted), 0) self.img_model.load(os.path.join(data_path, 'image_002.tif')) self.perform_transformations_tests() def test_background_subtraction_with_supersampling_and_image_transformation(self): self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) self.img_model.load(os.path.join(data_path, 'image_002.tif')) self.img_model.set_supersampling(2) self.assertEqual(self.img_model.get_img_data().shape, (4096, 4096)) self.perform_transformations_tests() self.img_model.set_supersampling(3) self.assertEqual(self.img_model.get_img_data().shape, (6144, 6144)) self.perform_transformations_tests() self.img_model.load(os.path.join(data_path, 'image_002.tif')) self.assertEqual(self.img_model.get_img_data().shape, (6144, 6144)) self.perform_transformations_tests() def test_background_scaling_and_offset(self): self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) #assure that everything is correct before self.assertTrue(np.array_equal(self.img_model.get_img_data(), self.img_model._img_data-self.img_model._background_data)) #set scaling and see difference self.img_model.set_background_scaling(2.4) self.assertTrue(np.array_equal(self.img_model.get_img_data(), self.img_model._img_data-2.4*self.img_model._background_data)) #set offset and see the difference self.img_model.set_background_scaling(1.0) self.img_model.set_background_offset(100.0) self.assertTrue(np.array_equal(self.img_model.img_data, self.img_model._img_data-(self.img_model._background_data+100.0))) #use offset and scaling combined self.img_model.set_background_scaling(2.3) self.img_model.set_background_offset(100.0) self.assertTrue(np.array_equal(self.img_model.img_data, self.img_model._img_data-(2.3*self.img_model._background_data+100))) def test_background_with_different_shape(self): self.img_model.load_background(os.path.join(data_path, 'CeO2_Pilatus1M.tif')) self.assertEqual(self.img_model._background_data, None) self.img_model.load_background(os.path.join(data_path, 'image_002.tif')) self.assertTrue(self.img_model._background_data is not None) self.img_model.load(os.path.join(data_path, 'CeO2_Pilatus1M.tif')) self.assertEqual(self.img_model._background_data, None) def test_absorption_correction_with_supersampling(self): original_image = np.copy(self.img_model.get_img_data()) dummy_correction = DummyCorrection(self.img_model.get_img_data().shape, 0.6) self.img_model.add_img_correction(dummy_correction, "Dummy 1") self.assertAlmostEqual(np.sum(original_image)/0.6, np.sum(self.img_model.get_img_data()), places=4) self.img_model.set_supersampling(2) self.img_model.get_img_data() def test_absorption_correction_with_different_image_sizes(self): dummy_correction = DummyCorrection(self.img_model.get_img_data().shape, 0.4) # self.img_data.set_absorption_correction(np.ones(self.img_data._img_data.shape)*0.4) self.img_model.add_img_correction(dummy_correction, "Dummy 1") self.assertTrue(self.img_model._img_corrections.has_items()) self.img_model.load(os.path.join(data_path, 'CeO2_Pilatus1M.tif')) self.assertFalse(self.img_model.has_corrections()) def test_adding_several_absorption_corrections(self): original_image = np.copy(self.img_model.get_img_data()) img_shape = original_image.shape self.img_model.add_img_correction(DummyCorrection(img_shape, 0.4)) self.img_model.add_img_correction(DummyCorrection(img_shape, 3)) self.img_model.add_img_correction(DummyCorrection(img_shape, 5)) self.assertTrue(np.sum(original_image)/(0.5*3*5), np.sum(self.img_model.get_img_data())) self.img_model.delete_img_correction(1) self.assertTrue(np.sum(original_image)/(0.5*5), np.sum(self.img_model.get_img_data())) def test_saving_data(self): self.img_model.load(os.path.join(data_path, 'image_001.tif')) filename = os.path.join(data_path, 'test.tif') self.img_model.save(filename) first_img_array = np.copy(self.img_model._img_data) self.img_model.load(filename) self.assertTrue(np.array_equal(first_img_array, self.img_model._img_data)) self.assertTrue(os.path.exists(filename)) os.remove(filename) def test_rotation(self): pre_transformed_data = self.img_model.get_img_data() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) self.img_model.reset_img_transformations() pre_transformed_data = self.img_model.get_img_data() self.img_model.rotate_img_m90() self.img_model.rotate_img_p90() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) self.img_model.reset_img_transformations() pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_horizontally() self.img_model.flip_img_horizontally() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) self.img_model.reset_img_transformations() pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_vertically() self.img_model.flip_img_vertically() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) self.img_model.reset_img_transformations() self.img_model.flip_img_vertically() self.img_model.flip_img_horizontally() self.img_model.rotate_img_m90() self.img_model.rotate_img_p90() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.img_model.flip_img_horizontally() transformed_data = self.img_model.get_img_data() self.img_model.load(os.path.join(data_path, 'image_001.tif')) self.assertTrue(np.array_equal(self.img_model.get_img_data(), transformed_data)) self.img_model.reset_img_transformations() pre_transformed_data = self.img_model.get_img_data() self.img_model.rotate_img_m90() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) pre_transformed_data = self.img_model.get_img_data() self.img_model.rotate_img_p90() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_horizontally() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_vertically() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data)) pre_transformed_data = self.img_model.get_img_data() self.img_model.flip_img_vertically() self.img_model.flip_img_horizontally() self.img_model.rotate_img_m90() self.img_model.rotate_img_p90() self.img_model.rotate_img_m90() self.img_model.rotate_img_m90() self.img_model.flip_img_horizontally() self.img_model.reset_img_transformations() self.assertTrue(np.array_equal(self.img_model.get_img_data(), pre_transformed_data))
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'))