ITK  4.13.0
Insight Segmentation and Registration Toolkit
SphinxExamples/src/Core/Common/WatchAFilter/Code.cxx
/*=========================================================================
*
* 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.
*
*=========================================================================*/
#include "itkImage.h"
template< class TImage >
void CreateImage(typename TImage::Pointer image)
{
typedef TImage ImageType;
// Create an image with 2 connected components
typename ImageType::RegionType region;
typename ImageType::IndexType start;
start.Fill( 0 );
typename ImageType::SizeType size;
size.Fill( 100 );
region.SetSize(size);
region.SetIndex(start);
image->SetRegions(region);
image->Allocate();
itk::ImageRegionIterator< ImageType > imageIterator(image,region);
while(!imageIterator.IsAtEnd())
{
imageIterator.Set(255);
++imageIterator;
}
}
int main(int, char *[])
{
const unsigned int Dimension = 2;
typedef unsigned char PixelType;
ImageType::Pointer image = ImageType::New();
CreateImage< ImageType >(image);
ThresholdImageFilterType;
ThresholdImageFilterType::Pointer thresholdFilter
= ThresholdImageFilterType::New();
thresholdFilter->SetInput(image);
thresholdFilter->ThresholdBelow(100);
thresholdFilter->SetOutsideValue(0);
itk::SimpleFilterWatcher watcher(thresholdFilter, "ThresholdFilter");
thresholdFilter->Update();
return EXIT_SUCCESS;
}