ITK  5.1.0
Insight Toolkit
SphinxExamples/src/Core/Mesh/ExtractIsoSurface/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 "itkMesh.h"
int
main(int argc, char * argv[])
{
if (argc != 5)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0];
std::cerr << " <InputFileName> <OutputFileName> <Lower Threshold> <Upper Threshold>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const char * inputFileName = argv[1];
const char * outputFileName = argv[2];
constexpr unsigned int Dimension = 3;
using PixelType = unsigned char;
using ReaderType = itk::ImageFileReader<ImageType>;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFileName);
auto lowerThreshold = static_cast<PixelType>(std::stoi(argv[3]));
auto upperThreshold = static_cast<PixelType>(std::stoi(argv[4]));
using BinaryThresholdFilterType = itk::BinaryThresholdImageFilter<ImageType, ImageType>;
BinaryThresholdFilterType::Pointer threshold = BinaryThresholdFilterType::New();
threshold->SetInput(reader->GetOutput());
threshold->SetLowerThreshold(lowerThreshold);
threshold->SetUpperThreshold(upperThreshold);
threshold->SetOutsideValue(0);
using MeshType = itk::Mesh<double, Dimension>;
FilterType::Pointer filter = FilterType::New();
filter->SetInput(threshold->GetOutput());
filter->SetObjectValue(255);
using WriterType = itk::MeshFileWriter<MeshType>;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outputFileName);
writer->SetInput(filter->GetOutput());
try
{
writer->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
itkBinaryMask3DMeshSource.h
itk::BinaryMask3DMeshSource
Definition: itkBinaryMask3DMeshSource.h:71
itk::MeshFileWriter
Writes mesh data to a single file.
Definition: itkMeshFileWriter.h:51
itk::BinaryThresholdImageFilter
Binarize an input image by thresholding.
Definition: itkBinaryThresholdImageFilter.h:137
itkImageFileReader.h
itk::ImageFileReader
Data source that reads image data from a single file.
Definition: itkImageFileReader.h:75
itkMesh.h
itkImageFileWriter.h
itk::Mesh
Implements the N-dimensional mesh structure.
Definition: itkMesh.h:124
itkBinaryThresholdImageFilter.h
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86
itkMeshFileWriter.h
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44