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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2019 European Synchrotron Radiation Facility
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
# ###########################################################################*/
"""Test silx.gui.plot.StatsWidget with SceneWidget and ScalarFieldView"""
__authors__ = ["T. Vincent"]
__license__ = "MIT"
__date__ = "25/01/2019"
import unittest
import numpy
from silx.utils.testutils import ParametricTestCase
from silx.gui.utils.testutils import TestCaseQt
from silx.gui import qt
from silx.gui.plot.StatsWidget import BasicStatsWidget
from silx.gui.plot3d.ScalarFieldView import ScalarFieldView
from silx.gui.plot3d.SceneWidget import SceneWidget, items
class TestSceneWidget(TestCaseQt, ParametricTestCase):
"""Tests StatsWidget combined with SceneWidget"""
def setUp(self):
super(TestSceneWidget, self).setUp()
self.sceneWidget = SceneWidget()
self.sceneWidget.resize(300, 300)
self.sceneWidget.show()
self.statsWidget = BasicStatsWidget()
self.statsWidget.setPlot(self.sceneWidget)
# self.qWaitForWindowExposed(self.sceneWidget)
def tearDown(self):
self.qapp.processEvents()
self.sceneWidget.setAttribute(qt.Qt.WA_DeleteOnClose)
self.sceneWidget.close()
del self.sceneWidget
self.statsWidget.setAttribute(qt.Qt.WA_DeleteOnClose)
self.statsWidget.close()
del self.statsWidget
super(TestSceneWidget, self).tearDown()
def test(self):
"""Test StatsWidget with SceneWidget"""
# Prepare scene
# Data image
image = self.sceneWidget.addImage(numpy.arange(100).reshape(10, 10))
image.setLabel('Image')
# RGB image
imageRGB = self.sceneWidget.addImage(
numpy.arange(300, dtype=numpy.uint8).reshape(10, 10, 3))
imageRGB.setLabel('RGB Image')
# 2D scatter
data = numpy.arange(100)
scatter2D = self.sceneWidget.add2DScatter(x=data, y=data, value=data)
scatter2D.setLabel('2D Scatter')
# 3D scatter
scatter3D = self.sceneWidget.add3DScatter(x=data, y=data, z=data, value=data)
scatter3D.setLabel('3D Scatter')
# Add a group
group = items.GroupItem()
self.sceneWidget.addItem(group)
# 3D scalar field
data = numpy.arange(64**3).reshape(64, 64, 64)
scalarField = items.ScalarField3D()
scalarField.setData(data, copy=False)
scalarField.setLabel('3D Scalar field')
group.addItem(scalarField)
statsTable = self.statsWidget._getStatsTable()
# Test selection only
self.statsWidget.setDisplayOnlyActiveItem(True)
self.assertEqual(statsTable.rowCount(), 0)
self.sceneWidget.selection().setCurrentItem(group)
self.assertEqual(statsTable.rowCount(), 0)
for item in (image, scatter2D, scatter3D, scalarField):
with self.subTest('selection only', item=item.getLabel()):
self.sceneWidget.selection().setCurrentItem(item)
self.assertEqual(statsTable.rowCount(), 1)
self._checkItem(item)
# Test all data
self.statsWidget.setDisplayOnlyActiveItem(False)
self.assertEqual(statsTable.rowCount(), 4)
for item in (image, scatter2D, scatter3D, scalarField):
with self.subTest('all items', item=item.getLabel()):
self._checkItem(item)
def _checkItem(self, item):
"""Check that item is in StatsTable and that stats are OK
:param silx.gui.plot3d.items.Item3D item:
"""
if isinstance(item, (items.Scatter2D, items.Scatter3D)):
data = item.getValueData(copy=False)
else:
data = item.getData(copy=False)
statsTable = self.statsWidget._getStatsTable()
tableItems = statsTable._itemToTableItems(item)
self.assertTrue(len(tableItems) > 0)
self.assertEqual(tableItems['legend'].text(), item.getLabel())
self.assertEqual(float(tableItems['min'].text()), numpy.min(data))
self.assertEqual(float(tableItems['max'].text()), numpy.max(data))
# TODO
class TestScalarFieldView(TestCaseQt):
"""Tests StatsWidget combined with ScalarFieldView"""
def setUp(self):
super(TestScalarFieldView, self).setUp()
self.scalarFieldView = ScalarFieldView()
self.scalarFieldView.resize(300, 300)
self.scalarFieldView.show()
self.statsWidget = BasicStatsWidget()
self.statsWidget.setPlot(self.scalarFieldView)
# self.qWaitForWindowExposed(self.sceneWidget)
def tearDown(self):
self.qapp.processEvents()
self.scalarFieldView.setAttribute(qt.Qt.WA_DeleteOnClose)
self.scalarFieldView.close()
del self.scalarFieldView
self.statsWidget.setAttribute(qt.Qt.WA_DeleteOnClose)
self.statsWidget.close()
del self.statsWidget
super(TestScalarFieldView, self).tearDown()
def _getTextFor(self, row, name):
"""Returns text in table at given row for column name
:param int row: Row number in the table
:param str name: Column id
:rtype: Union[str,None]
"""
statsTable = self.statsWidget._getStatsTable()
for column in range(statsTable.columnCount()):
headerItem = statsTable.horizontalHeaderItem(column)
if headerItem.data(qt.Qt.UserRole) == name:
tableItem = statsTable.item(row, column)
return tableItem.text()
return None
def test(self):
"""Test StatsWidget with ScalarFieldView"""
data = numpy.arange(64**3, dtype=numpy.float64).reshape(64, 64, 64)
self.scalarFieldView.setData(data)
statsTable = self.statsWidget._getStatsTable()
# Test selection only
self.statsWidget.setDisplayOnlyActiveItem(True)
self.assertEqual(statsTable.rowCount(), 1)
# Test all data
self.statsWidget.setDisplayOnlyActiveItem(False)
self.assertEqual(statsTable.rowCount(), 1)
for column in range(statsTable.columnCount()):
self.assertEqual(float(self._getTextFor(0, 'min')), numpy.min(data))
self.assertEqual(float(self._getTextFor(0, 'max')), numpy.max(data))
sum_ = numpy.sum(data)
comz = numpy.sum(numpy.arange(data.shape[0]) * numpy.sum(data, axis=(1, 2))) / sum_
comy = numpy.sum(numpy.arange(data.shape[1]) * numpy.sum(data, axis=(0, 2))) / sum_
comx = numpy.sum(numpy.arange(data.shape[2]) * numpy.sum(data, axis=(0, 1))) / sum_
self.assertEqual(self._getTextFor(0, 'COM'), str((comx, comy, comz)))
def suite():
testsuite = unittest.TestSuite()
testsuite.addTest(
unittest.defaultTestLoader.loadTestsFromTestCase(
TestSceneWidget))
testsuite.addTest(
unittest.defaultTestLoader.loadTestsFromTestCase(
TestScalarFieldView))
return testsuite
if __name__ == '__main__':
unittest.main(defaultTest='suite')
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