#!/usr/bin/env python
# Copyright 2016-2023 Biomedical Imaging Group Rotterdam, Departments of
# Medical Informatics and Radiology, Erasmus MC, Rotterdam, The Netherlands
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from WORC.detectors.detectors import WORCDirectoryDetector
from WORC.addexceptions import WORCValueError
import os
import numpy as np
import SimpleITK as sitk
[docs]def find_exampledatadir():
"""Find WORC example data folder."""
# Check if example data directory exists
base_dir = WORCDirectoryDetector().do_detection()
if not base_dir:
raise WORCValueError('WORC installation directory not detected!')
else:
return os.path.join(base_dir, 'exampledata')
[docs]def find_testdatadir():
"""Find WORC test data folder."""
# Check if example data directory exists
base_dir = WORCDirectoryDetector().do_detection()
if not base_dir:
raise WORCValueError('WORC installation directory not detected!')
else:
testdatadir = os.path.join(base_dir, 'test', 'tmp')
if not os.path.exists(testdatadir):
os.mkdir(testdatadir)
return testdatadir
[docs]def create_SimpeITKimage(size=10):
"""Create a random float SimpleITK image"""
return sitk.GetImageFromArray(np.random.rand(size, size, size))
[docs]def create_SimpeITKimage_mask(size=10, radius=3):
"""Create a random binary SimpleITK image"""
mask = sitk.GetImageFromArray(np.zeros((size, size, size)))
start = int((size-radius)/2)
stop = int((size+radius)/2)
mask[start:stop, start:stop, start:stop] = 1
return mask