[ITK-dev] Problem with hash using LabelGeometryImageFilter

[Lowekamp, Bradley (NIH/NLM/LHC) [C]]

Hello,

I would recommend using the itk::LabelImageToShapeLabelMapFilter in the current master branch of the ITK repository:
https://itk.org/Doxygen/html/classitk_1_1LabelImageToShapeLabelMapFilter.html

The LabelGeometryImageFilter is only in the Review module and has several known computational and performance issues.

Brad


From: "Pfaehler, EAG (ngmb)" <e.a.g.pfaehler at umcg.nl>
Date: Monday, August 14, 2017 at 10:55 AM
To: "insight-developers at itk.org" <insight-developers at itk.org>
Subject: [ITK-dev] Problem with hash using LabelGeometryImageFilter

Dear all,

I need some help with the following problem:

I have a mask representing the ROI of an image. I wanted now to use the LabelGeometryImageFilter to calculate the volume and eigenvalues of this mask.
For this I have the following code:

typedef itk::Image< T, R > ImageType;

typename ImageType::Pointer mask;

 typedef itk::ImageFileReader< ImageType > ReaderType;
 typename ReaderType::Pointer readerMask = ReaderType::New();
 readerMask->SetFileName(config.voiName);
  //get the output of the VOI mask
 mask = readerMask->GetOutput();
 try{
      readerMask->Update();
 }
 catch(itk::ExceptionObject &excp){
      std::cerr << excp <<std::endl;
 }
 double origin[3] = {0.0, 0.0, 0.0};
 mask->SetOrigin(origin);
 typedef itk::LabelGeometryImageFilter< ImageType > LabelGeometryImageFilterType;
 typename LabelGeometryImageFilterType::Pointer labelGeometryImageFilter = LabelGeometryImageFilterType::New();
If I want to compile this, I already get the error:
Error: no match for call to ‘{const hasher {aka const __gnu_cxx: hash<float>}) (const key_type&)
Does anyone know where the problem is coming from and how I could solve this?
Thanks a lot !

Regards

Elli


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