/usr/lib/python2.7/dist-packages/pyFAI/test/test_multi_geometry.py is in python-pyfai 0.15.0+dfsg1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | #!/usr/bin/env python
# coding: utf-8
#
# Project: Fast Azimuthal Integration
# https://github.com/silx-kit/pyFAI
#
# Copyright (C) 2015-2018 European Synchrotron Radiation Facility, Grenoble, France
#
# Principal author: Jérôme Kieffer (Jerome.Kieffer@ESRF.eu)
#
# 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 suites for multi_geometry modules"""
from __future__ import absolute_import, print_function, with_statement, division
__author__ = "Jérôme Kieffer"
__contact__ = "Jerome.Kieffer@ESRF.eu"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
__date__ = "10/01/2018"
import unittest
import logging
from .utilstest import UtilsTest
logger = logging.getLogger(__name__)
from ..azimuthalIntegrator import AzimuthalIntegrator
from ..multi_geometry import MultiGeometry
from ..detectors import Detector
import fabio
class TestMultiGeometry(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.data = fabio.open(UtilsTest.getimage("mock.tif")).data
cls.lst_data = [cls.data[:250, :300], cls.data[250:, :300], cls.data[:250, 300:], cls.data[250:, 300:]]
cls.det = Detector(1e-4, 1e-4)
cls.det.max_shape = (500, 600)
cls.sub_det = Detector(1e-4, 1e-4)
cls.sub_det.max_shape = (250, 300)
cls.ai = AzimuthalIntegrator(0.1, 0.03, 0.03, detector=cls.det)
cls.range = (0, 23)
cls.ais = [AzimuthalIntegrator(0.1, 0.030, 0.03, detector=cls.sub_det),
AzimuthalIntegrator(0.1, 0.005, 0.03, detector=cls.sub_det),
AzimuthalIntegrator(0.1, 0.030, 0.00, detector=cls.sub_det),
AzimuthalIntegrator(0.1, 0.005, 0.00, detector=cls.sub_det),
]
cls.mg = MultiGeometry(cls.ais, radial_range=cls.range, unit="2th_deg")
cls.N = 390
@classmethod
def tearDownClass(cls):
cls.data = cls.lst_data = cls.det = cls.sub_det = cls.ai = None
cls.range = cls.ais = cls.mg = cls.N = None
def setUp(self):
"""
Python2.6 compatibility !!!
"""
unittest.TestCase.setUp(self)
if "data" not in dir(self):
self.setUpClass()
def tearDown(self):
self.data = self.lst_data = self.det = self.sub_det = self.ai = None
self.range = self.ais = self.mg = self.N = None
def test_integrate1d(self):
tth_ref, I_ref = self.ai.integrate1d(self.data, radial_range=self.range,
npt=self.N, unit="2th_deg", method="splitpixel")
obt = self.mg.integrate1d(self.lst_data, self.N)
tth_obt, I_obt = obt
self.assertEqual(abs(tth_ref - tth_obt).max(), 0, "Bin position is the same")
# intensity need to be scaled by solid angle 1e-4*1e-4/0.1**2 = 1e-6
delta = (abs(I_obt * 1e-6 - I_ref).max())
self.assertTrue(delta < 9e-5, "Intensity is the same delta=%s" % delta)
def test_integrate1d_withpol(self):
tth_ref, I_ref = self.ai.integrate1d(self.data, radial_range=self.range,
npt=self.N, unit="2th_deg", method="splitpixel",
polarization_factor=0.9)
obt = self.mg.integrate1d(self.lst_data, self.N, polarization_factor=0.9)
tth_obt, I_obt = obt
self.assertEqual(abs(tth_ref - tth_obt).max(), 0, "Bin position is the same")
# intensity need to be scaled by solid angle 1e-4*1e-4/0.1**2 = 1e-6
delta = (abs(I_obt * 1e-6 - I_ref).max())
self.assertTrue(delta < 9e-5, "Intensity is the same delta=%s" % delta)
def test_integrate2d(self):
ref = self.ai.integrate2d(self.data, self.N, 360, radial_range=self.range, azimuth_range=(-180, 180), unit="2th_deg", method="splitpixel")
obt = self.mg.integrate2d(self.lst_data, self.N, 360)
self.assertEqual(abs(ref.radial - obt.radial).max(), 0, "Bin position is the same")
self.assertEqual(abs(ref.azimuthal - obt.azimuthal).max(), 0, "Bin position is the same")
# intensity need to be scaled by solid angle 1e-4*1e-4/0.1**2 = 1e-6
mask = obt.count <= 1e-6 # restrict on valid pixel
mask[:, 0:2] = True
delta = abs(obt.intensity * 1e-6 - ref.intensity)
delta_cnt = abs(obt.count * 1e6 - ref.count)
delta_sum = abs(obt.sum - ref.sum)
delta[mask] = 0
delta_cnt[mask] = 0
delta_sum[mask] = 0
if delta.max() > 0:
logger.warning("TestMultiGeometry.test_integrate2d gave difference "
"of intensity: %s, count: %s cum: %s",
delta.max(), delta_cnt.max(), delta_sum.max())
self.assertTrue(delta_cnt.max() < 0.001, "pixel count is the same delta=%s" % delta_cnt.max())
self.assertTrue(delta_sum.max() < 0.04, "pixel sum is the same delta=%s" % delta_sum.max())
self.assertTrue(delta.max() < 0.007, "pixel intensity is the same (for populated pixels) delta=%s" % delta.max())
def suite():
testsuite = unittest.TestSuite()
loader = unittest.defaultTestLoader.loadTestsFromTestCase
testsuite.addTest(loader(TestMultiGeometry))
return testsuite
if __name__ == '__main__':
runner = unittest.TextTestRunner()
runner.run(suite())
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