SimpleITK  
BufferImportExport.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.
*
*=========================================================================*/
#include "SimpleITK.h"
#include <stdlib.h>
#include <iostream>
// create convenient namespace alias
namespace sitk = itk::simple;
int
main(int, char *[])
{
// construct and initialize an image buffer, this buffer could have
// just as well come from the rest of an application we are trying
// to integrate simpleITK with.
uint8_t * in = new uint8_t[100 * 100 * 100];
for (unsigned int i = 0; i < 100 * 100 * 100; ++i)
{
in[i] = i % 255;
}
// Configure a filter to import the buffer
importer.SetSpacing(std::vector<double>(3, .33));
importer.SetOrigin(std::vector<double>(3, .123));
importer.SetSize(std::vector<unsigned int>(3, 100));
importer.SetBufferAsUInt8(in);
// actually convert the buffer to a simpleITK image
sitk::Image img = importer.Execute();
sitk::Show(img);
// at this point img, contains the same buffer as in
// use some useful filters in ITK
img = sitk::GrayscaleErode(img, { 3, 3, 3 });
sitk::Show(img);
// The output type of the morphology will be the same pixel type as
// the input. But we place the assert to clarify and verify out
// logic.
assert(img.GetPixelID() == sitk::sitkUInt8);
// The method which matches the actual pixel type of the image must
// be called.
uint8_t * out = img.GetBufferAsUInt8();
for (unsigned int i = 0; i < 10; ++i)
{
std::cout << int(out[i]) << " ";
}
std::cout << std::endl;
return EXIT_SUCCESS;
}
itk::simple::Image
The Image class for SimpleITK.
Definition: sitkImage.h:76
itk::simple::GrayscaleErode
Image GrayscaleErode(const Image &image1, std::vector< unsigned int > kernelRadius=std::vector< uint32_t >(3, 1), KernelEnum kernelType=itk::simple::sitkBall)
Grayscale erosion of an image.
itk::simple::Image::GetBufferAsUInt8
uint8_t * GetBufferAsUInt8()
Get a pointer to the image buffer.
itk::simple::Show
void SITKIO_EXPORT Show(const Image &image, const std::string &title="", const bool debugOn=ProcessObject::GetGlobalDefaultDebug())
SimpleITK.h
itk::simple::ImportImageFilter::SetSize
Self & SetSize(const std::vector< unsigned int > &size)
itk::simple::Image::GetPixelID
PixelIDValueEnum GetPixelID() const
itk::simple::ImportImageFilter::SetBufferAsUInt8
Self & SetBufferAsUInt8(uint8_t *buffer, unsigned int numberOfComponents=1)
itk::simple::ImportImageFilter
Compose a 2D or 3D image and return a smart pointer to a SimpleITK image.
Definition: sitkImportImageFilter.h:47
itk::simple::ImportImageFilter::SetOrigin
Self & SetOrigin(const std::vector< double > &origin)
itk::simple::ImportImageFilter::SetSpacing
Self & SetSpacing(const std::vector< double > &spacing)
itk::simple::ImportImageFilter::Execute
Image Execute() override
Set/Get The output PixelType of the image.
itk::simple
Definition: sitkAdditionalProcedures.h:28