ITK  4.9.0
Insight Segmentation and Registration Toolkit
SphinxExamples/src/Core/Common/SetPixelValueInOneImage/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"
int main(int argc, char* argv[])
{
if( argc != 2 )
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " <OutputFileName>" << std::endl;
return EXIT_FAILURE;
}
const unsigned int Dimension = 2;
typedef unsigned char PixelType;
ImageType::RegionType region;
ImageType::IndexType start;
start.Fill( 0 );
region.SetIndex(start);
ImageType::SizeType size;
size[0] = 200;
size[1] = 300;
region.SetSize(size);
ImageType::Pointer image = ImageType::New();
image->SetRegions(region);
image->Allocate();
ImageType::IndexType pixelIndex;
for(ImageType::IndexValueType r = 0; r < 50; r++)
{
pixelIndex[0] = 4 * r;
pixelIndex[1] = 4 * r;
image->SetPixel(pixelIndex, 128);
pixelIndex[0] = 4 * r;
pixelIndex[1] = 200 - 4 * r;
image->SetPixel(pixelIndex, 255);
}
for(ImageType::IndexValueType r = 0; r < 25; r++)
{
pixelIndex[0] = 8 * r;
pixelIndex[1] = 200 + 4 * r;
image->SetPixel(pixelIndex, 128);
pixelIndex[0] = 8 * r;
pixelIndex[1] = 250;
image->SetPixel(pixelIndex, 180 );
}
pixelIndex[0] = 95;
pixelIndex[1] = 150;
image->SetPixel( pixelIndex, 200 );
pixelIndex[0] = 100;
pixelIndex[1] = 150;
image->SetPixel( pixelIndex, 200 );
pixelIndex[0] = 105;
pixelIndex[1] = 150;
image->SetPixel( pixelIndex, 200 );
pixelIndex[0] = 100;
pixelIndex[1] = 155;
image->SetPixel( pixelIndex, 200 );
pixelIndex[0] = 100;
pixelIndex[1] = 145;
image->SetPixel( pixelIndex, 200 );
WriterType::Pointer writer = WriterType::New();
writer->SetInput( image );
writer->SetFileName( argv[1] );
try
{
writer->Update();
}
catch( itk::ExceptionObject & error )
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}