ITK/Examples/Broken/SimpleOperations/MetaDataDictionary: Difference between revisions

From KitwarePublic
< ITK‎ | Examples
Jump to navigationJump to search
No edit summary
(Deprecated content that is moved to sphinx)
 
Line 1: Line 1:
Current output is:
{{warning|1=The media wiki content on this page is no longer maintained.  The examples presented on the https://itk.org/Wiki/*  pages likely require ITK version 4.13 or earlier releasesIn many cases, the examples on this page no longer conform to the best practices for modern ITK versions.}}
ASimpleFloat  [UNKNOWN_PRINT_CHARACTERISTICS]
Key  = ASimpleFloat
Value = [UNKNOWN_PRINT_CHARACTERISTICS]
 
Data read from file:
 
There are two problems.
 
1) UNKNOWN_PRINT_CHARACTERISTICS should be replaced with 1.2.  
 
  2) The data does not seem to be retrieved from the file.
 
==MetaDataDictionary.cxx==
<source lang="cpp">
#include <itkImage.h>
#include <itkMetaDataDictionary.h>
#include <itkMetaDataObject.h>
#include <itkImageRegionIterator.h>
#include <itkImageFileWriter.h>
#include <itkImageFileReader.h>
 
typedef itk::Image<unsigned char, 2> ImageType;
 
static void CreateImage(ImageType::Pointer image);
 
int main(int, char*[])
{
  // Create an image
  ImageType::Pointer image = ImageType::New();
  CreateImage(image);
 
  // Store some data in it
  itk::MetaDataDictionary dictionary;
  itk::EncapsulateMetaData<float>(dictionary,"ASimpleFloat",1.2);
  image->SetMetaDataDictionary(dictionary);
 
  // View all of the data
  dictionary.Print(std::cout);
 
  // View the data individually
  itk::MetaDataDictionary::Iterator itr = dictionary.Begin();
 
  while( itr != dictionary.End() )
    {
    std::cout << "Key   = " << itr->first << std::endl;
    std::cout << "Value = ";
    itr->second->Print( std::cout );
    std::cout << std::endl;
    ++itr;
    }
 
  // Write the image (and the data) to a file
  typedef  itk::ImageFileWriter< ImageType  > WriterType;
  WriterType::Pointer writer = WriterType::New();
  writer->SetFileName("test.mhd");
  writer->SetInput(image);
  writer->Update();
 
  // Read the image (and data) from the file
  typedef itk::ImageFileReader<ImageType> ReaderType;
  ReaderType::Pointer reader = ReaderType::New();
  reader->SetFileName("test.mhd");
 
  // Display the data
  std::cout << "Data read from file:" << std::endl;
  reader->GetMetaDataDictionary().Print(std::cout);
  return EXIT_SUCCESS;
}
 
void CreateImage(ImageType::Pointer image)
{
  ImageType::IndexType start;
  start.Fill(0);
 
  ImageType::SizeType size;
  size.Fill(10);
 
  ImageType::RegionType region;
  region.SetSize(size);
  region.SetIndex(start);
 
  image->SetRegions(region);
  image->Allocate();
 
  itk::ImageRegionIterator<ImageType> imageIterator(image,image->GetLargestPossibleRegion());
 
  while(!imageIterator.IsAtEnd())
    {
    imageIterator.Set(20);
    ++imageIterator;
    }
}
</source>
 
 
{{ITKCMakeLists|{{SUBPAGENAME}}}}

Latest revision as of 23:19, 7 June 2019

Warning: The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.