def make_workspace(self, image, mask=None):
'''Make a workspace for testing ApplyThreshold'''
module = A.ApplyThreshold()
module.image_name.value = INPUT_IMAGE_NAME
module.thresholded_image_name.value = OUTPUT_IMAGE_NAME
pipeline = cpp.Pipeline()
object_set = cpo.ObjectSet()
image_set_list = cpi.ImageSetList()
image_set = image_set_list.get_image_set(0)
workspace = cpw.Workspace(pipeline, module, image_set, object_set,
cpmeas.Measurements(), image_set_list)
image_set.add(
INPUT_IMAGE_NAME,
cpi.Image(image) if mask is None else cpi.Image(image, mask))
return workspace, module
def test_04_07_threshold_from_measurement(self):
'''Test a binary threshold from previous measurements'''
np.random.seed(0)
image = np.random.uniform(size=(20, 20))
workspace, module = self.make_workspace(image)
module.binary.value = A.BINARY
module.threshold_method.value = T.TM_MANUAL
module.manual_threshold.value = .5
module.run(workspace)
module2 = A.ApplyThreshold()
module2.image_name.value = OUTPUT_IMAGE_NAME
module2.thresholded_image_name.value = OUTPUT_IMAGE_NAME + 'new'
module2.binary.value = A.BINARY
module2.threshold_scope.value = T.TM_MEASUREMENT
module2.thresholding_measurement.value = 'Threshold_FinalThreshold_' + OUTPUT_IMAGE_NAME
module2.run(workspace)