def test_roi_changed_callback(self):
self.roi_callback_was_called = False
self.view.roi_updated.connect(self._roi_updated_callback)
self.view.roi_changed_callback(SensibleROI(1, 2, 3, 4))
self.assertTrue(self.roi_callback_was_called)
def _update_roi_region_avg(self) -> Optional[SensibleROI]:
if self.image.ndim != 3:
return None
roi_pos, roi_size = self.get_roi()
# image indices are in order [Z, X, Y]
left, right = roi_pos.x, roi_pos.x + roi_size.x
top, bottom = roi_pos.y, roi_pos.y + roi_size.y
data = self.image[:, top:bottom, left:right]
if data is not None:
while data.ndim > 1:
data = data.mean(axis=1)
if len(self.roiCurves) == 0:
self.roiCurves.append(self.ui.roiPlot.plot())
self.roiCurves[0].setData(y=data, x=self.tVals)
self.roiString = f"({left}, {top}, {right}, {bottom}) | " \
f"region avg={data[int(self.timeLine.value())].mean():.6f}"
return SensibleROI(left, top, right, bottom)
def test_copy_roi(self):
images = generate_images()
images.record_operation("Test", "Display", 123)
self.assertFalse(images.is_sinograms)
cropped_copy = images.copy_roi(SensibleROI(0, 0, 5, 5))
self.assertEqual(cropped_copy, images.data[:, 0:5, 0:5])
self.assertEqual(len(cropped_copy.metadata[const.OPERATION_HISTORY]), 2)
self.assertEqual(cropped_copy.metadata[const.OPERATION_HISTORY][-1][const.OPERATION_DISPLAY_NAME],
CropCoordinatesFilter.filter_name)
# remove the extra crop operation
cropped_copy.metadata[const.OPERATION_HISTORY].pop(-1)
# the two metadatas show now be equal again
self.assertEqual(images.metadata, cropped_copy.metadata)
self.assertNotEqual(images, cropped_copy)