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#==========================================================================
#
# Copyright Insight Software Consortium
#
# 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.txt
#
# 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.
#
#==========================================================================*/
#
# Example on the use of ImageFileReader to reading a single slice (it will read
# DICOM or other format), rescale the intensities and save it in a different
# file format.
#
import itk
import sys
if len(sys.argv) < 3:
print('Usage: ' + sys.argv[0] + ' inputFile.dcm outputFile.png')
sys.exit(1)
#
# Reads a 2D image in with signed short (16bits/pixel) pixel type
# and save it as unsigned char (8bits/pixel) pixel type
#
InputImageType = itk.Image.SS2
OutputImageType = itk.Image.UC2
reader = itk.ImageFileReader[InputImageType].New()
writer = itk.ImageFileWriter[OutputImageType].New()
filter = itk.RescaleIntensityImageFilter[InputImageType, OutputImageType].New()
filter.SetOutputMinimum( 0 )
filter.SetOutputMaximum(255)
filter.SetInput( reader.GetOutput() )
writer.SetInput( filter.GetOutput() )
reader.SetFileName( sys.argv[1] )
writer.SetFileName( sys.argv[2] )
writer.Update()
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