ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Core/Common/StreamAPipeline/Code.cxx
/*=========================================================================
*
* 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.
*
*=========================================================================*/
int
main(int argc, char * argv[])
{
if (argc != 2)
{
std::cerr << "Usage: " << argv[0] << " <NumberOfSplits>" << std::endl;
return EXIT_FAILURE;
}
int numberOfSplits = std::stoi(argv[1]);
constexpr unsigned int Dimension = 2;
using PixelType = unsigned char;
SourceType::Pointer source = SourceType::New();
size.Fill(numberOfSplits);
source->SetSize(size);
using MonitorFilterType = itk::PipelineMonitorImageFilter<ImageType>;
MonitorFilterType::Pointer monitorFilter = MonitorFilterType::New();
monitorFilter->SetInput(source->GetOutput());
// If ITK was built with the Debug CMake configuration, the filter
// automatically outputs status information to the console
monitorFilter->DebugOn();
StreamingFilterType::Pointer streamingFilter = StreamingFilterType::New();
streamingFilter->SetInput(monitorFilter->GetOutput());
streamingFilter->SetNumberOfStreamDivisions(numberOfSplits);
try
{
streamingFilter->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
std::cout << "The output LargestPossibleRegion is: " << streamingFilter->GetOutput()->GetLargestPossibleRegion()
<< std::endl;
std::cout << std::endl;
const MonitorFilterType::RegionVectorType updatedRequestedRegions = monitorFilter->GetUpdatedRequestedRegions();
std::cout << "Updated RequestedRegions's:" << std::endl;
for (const auto & updatedRequestedRegion : updatedRequestedRegions)
{
std::cout << " " << updatedRequestedRegion << std::endl;
}
return EXIT_SUCCESS;
}
itk::GTest::TypedefsAndConstructors::Dimension2::SizeType
ImageBaseType::SizeType SizeType
Definition: itkGTestTypedefsAndConstructors.h:49
itk::PipelineMonitorImageFilter
Enables monitoring, recording and debugging of the pipeline execution and information exchange.
Definition: itkPipelineMonitorImageFilter.h:68
itk::Size::Fill
void Fill(SizeValueType value)
Definition: itkSize.h:211
itkPipelineMonitorImageFilter.h
itk::RandomImageSource
Generate an n-dimensional image of random pixel values.
Definition: itkRandomImageSource.h:55
itkRandomImageSource.h
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:88
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44
itkStreamingImageFilter.h
itk::StreamingImageFilter
Pipeline object to control data streaming for large data processing.
Definition: itkStreamingImageFilter.h:44