def test_input_preprocessors(self):
"""Check multiple preprocessors on input"""
pp_list = PreprocessorList([Randomize, RemoveNaNColumns])
self.send_signal("Preprocessor", pp_list)
self.widget.apply_button.button.click()
self.assertEqual([pp_list] + list(self.widget.LEARNER.preprocessors),
self.widget.learner.preprocessors)
def test_input_preprocessors(self):
"""Check multiple preprocessors on input"""
pp_list = PreprocessorList([Randomize(), RemoveNaNColumns()])
self.send_signal("Preprocessor", pp_list)
self.widget.apply_button.button.click()
self.assertEqual((pp_list, ), self.widget.learner.preprocessors,
'`PreprocessorList` was not added to preprocessors')
def test_preprocessor_list(self):
# TODO problematic interface design: should be able to use Orange.data.Table directly
path = os.path.join(get_sample_datasets_dir(), AGILENT_TILE)
reader = OWTilefile.get_tile_reader(path)
pp = PreprocessorList(PREPROCESSORS_INDEPENDENT_SAMPLES[0:7])
reader.set_preprocessor(pp)
t = reader.read()
assert len(t.domain.attributes) == 3
def commit(self):
""" Update parameters to preprocessors and set output signals. """
data = None
if self.data is not None:
data = self.pp_batch(self.pp(self.data))
self.Outputs.data.send(data)
self.Outputs.preprocessor.send(PreprocessorList([self.pp, self.pp_batch]))
self.info_preproc.setText(
self._format_preproc_str(
self.preprocessor).lstrip("\n"))
else:
# only allow readers with tile-by-tile support to run.
reader = None
return reader
elif self.source == self.URL:
url = self.url_combo.currentText().strip()
if url:
return UrlReader(url)
if __name__ == "__main__":
import sys
from orangecontrib.spectroscopy.preprocess import Cut, LinearBaseline
from Orange.preprocess.preprocess import PreprocessorList
import orangecontrib.protospec #load readers
a = QApplication(sys.argv)
# preproc = PreprocessorList([Cut(lowlim=2000, highlim=2006), LinearBaseline()])
preproc = PreprocessorList(
[LinearBaseline(), Cut(lowlim=2000, highlim=2006)])
# preproc = PreprocessorList([Cut(lowlim=2000, highlim=2006), Cut(lowlim=2002, highlim=2006)])
# Test 2nd Deriv superwide
# from orangecontrib.spectroscopy.preprocess import Normalize, Integrate, integrate, SavitzkyGolayFiltering
# preproc = PreprocessorList([Normalize(lower=1591.0484214631633, upper=1719.720747038586, int_method=integrate.IntegrateFeatureSimple), SavitzkyGolayFiltering(window=13, deriv=2), Integrate(methods=integrate.IntegrateFeatureAtPeak, limits=[[1625.0, 1.0], [1152.0, 1.0], [1575.0, 1.0], [1127.0, 1.0]])])
ow = OWTilefile()
ow.update_preprocessor(preproc)
ow.show()
a.exec_()
ow.saveSettings()