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#!/usr/bin/env python
#=========================================================================
#
# 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.
#
#=========================================================================
from __future__ import print_function
import SimpleITK as sitk
import sys
import os
if len ( sys.argv ) < 4:
print( "Usage: "+sys.argv[0]+ " <input> <variance> <output>" )
sys.exit ( 1 )
##! [python director command]
class MyCommand(sitk.Command):
def __init__(self, po):
# required
super(MyCommand,self).__init__()
self.processObject = po
def Execute(self):
print("{0} Progress: {1:1.2f}".format(self.processObject.GetName(),self.processObject.GetProgress()))
##! [python director command]
reader = sitk.ImageFileReader()
reader.SetFileName ( sys.argv[1] )
image = reader.Execute()
pixelID = image.GetPixelID()
gaussian = sitk.DiscreteGaussianImageFilter()
gaussian.SetVariance( float ( sys.argv[2] ) )
##! [python lambda command]
gaussian.AddCommand(sitk.sitkStartEvent, lambda: print("StartEvent"))
gaussian.AddCommand(sitk.sitkEndEvent, lambda: print("EndEvent"))
##! [python lambda command]
cmd = MyCommand(gaussian)
gaussian.AddCommand(sitk.sitkProgressEvent, cmd)
image = gaussian.Execute ( image )
caster = sitk.CastImageFilter()
caster.SetOutputPixelType( pixelID )
image = caster.Execute( image )
writer = sitk.ImageFileWriter()
writer.SetFileName ( sys.argv[3] )
writer.Execute ( image );
if ( not "SITK_NOSHOW" in os.environ ):
sitk.Show( image, "Simple Gaussian" )
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