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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.
#
#=========================================================================
require 'simpleitk'
if ARGV.length != 3 then
puts "Usage: SimpleGaussian <input> <sigma> <output>";
exit( 1 )
end
reader = Simpleitk::ImageFileReader.new
reader.set_file_name( ARGV[0] )
image = reader.execute
inputPixelType = image.get_pixel_idvalue
gaussian = Simpleitk::SmoothingRecursiveGaussianImageFilter.new
gaussian.set_sigma ARGV[1].to_f
image = gaussian.execute image;
caster = Simpleitk::CastImageFilter.new
caster.set_output_pixel_type inputPixelType
image = caster.execute image
writer = Simpleitk::ImageFileWriter.new
writer.set_file_name ARGV[2]
writer.execute image
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