#=========================================================================
#
# Copyright NumFOCUS
#
# 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.
#
#=========================================================================
if { $argc < 3 } {
puts "Usage: SimpleGaussian <input> <sigma> <output>"
exit 1
}
ImageFileReader reader
reader SetFileName [ lindex $argv 0 ]
set image [ reader Execute ]
set pixelID [ $image GetPixelID ]
SmoothingRecursiveGaussianImageFilter gaussian
gaussian SetSigma [ lindex $argv 1 ]
set image [ gaussian Execute $image ]
CastImageFilter caster
caster SetOutputPixelType $pixelID
set image [ caster Execute $image ]
ImageFileWriter writer
writer SetFileName [ lindex $argv 2]
writer Execute $image
# Tcl requires explicit cleanup Cleanup
reader -delete
gaussian -delete
caster -delete
$image -delete
writer -delete
