# Latest

**URL:** https://discourse.itk.org/latest.md?page=101

[Latest](https://discourse.itk.org/latest.md) · [Categories](https://discourse.itk.org/categories.md) · [Tags](https://discourse.itk.org/tags.md)

**Page:** 102

---

## [itkApproximateSignedDistanceMapImageFilterTest1 failures](https://discourse.itk.org/t/itkapproximatesigneddistancemapimagefiltertest1-failures/913)

<div class="topic-metadata">

**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 1\
**Last updated:** [May 24, 2018, 3:25pm UTC](https://discourse.itk.org/t/itkapproximatesigneddistancemapimagefiltertest1-failures/913 "2018-05-24T15:25:57Z")

</div>

The following test has sporadic failures: https://open.cdash.org/testDetails.php?test=650830714&build=5365233 They occur more one highly multi-threaded system. I narrowed the failure down to the IsoContourDistanceIma…

---

## [Visual Studio debugger visualizers](https://discourse.itk.org/t/visual-studio-debugger-visualizers/944)

<div class="topic-metadata">

**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 0\
**Last updated:** [May 18, 2018, 1:53pm UTC](https://discourse.itk.org/t/visual-studio-debugger-visualizers/944 "2018-05-18T13:53:55Z")

</div>

Long ago, I created customized debug visualizers for ITK. But Visual Studio 2012 changed the format of that file, rendering it unusable. Due to pressing need to debug some code heavily involving itk::ImageRegions I creat…

---

## [Code style discussion](https://discourse.itk.org/t/code-style-discussion/930)

<div class="topic-metadata">

**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 6\
**Last updated:** [May 18, 2018, 1:45pm UTC](https://discourse.itk.org/t/code-style-discussion/930 "2018-05-18T13:45:15Z")

</div>

Maintaining coding style is hard without good tool support. EditorConfig seems to be the best way to accomplish that over a wide variety of platforms. Are there any volunteers to try to implement ITK’s style guide in an .…

---

## [output itk built version](https://discourse.itk.org/t/output-itk-built-version/940)

<div class="topic-metadata">

**Author:** [@pdeman](https://discourse.itk.org/u/pdeman)\
**Replies:** 8\
**Last updated:** [May 18, 2018, 11:58am UTC](https://discourse.itk.org/t/output-itk-built-version/940 "2018-05-18T11:58:54Z")

</div>

Hi, I have some code using itk libraries, and I would like to display itk built version when calling them. #include \<itkVersion.h\> bool myClass::myClassFuncion() { //get itk version itk::Version whichItk; std::cou…

---

## [Transfering external module ITKIsotropicWavelets to the InsightSoftwareConsortium](https://discourse.itk.org/t/transfering-external-module-itkisotropicwavelets-to-the-insightsoftwareconsortium/941)

<div class="topic-metadata">

**Author:** [@phcerdan](https://discourse.itk.org/u/phcerdan)\
**Replies:** 7\
**Last updated:** [May 17, 2018, 5:47pm UTC](https://discourse.itk.org/t/transfering-external-module-itkisotropicwavelets-to-the-insightsoftwareconsortium/941 "2018-05-17T17:47:43Z")

</div>

As spoken here: Some github docs about transfer. And as Matt pointed out, being a member of InsightSoftwareConsortium should be enough to transfer to it from a personal account. But the existing fork in ISC should be…

---

## [Building and Compiling with GCC 8.1](https://discourse.itk.org/t/building-and-compiling-with-gcc-8-1/934)

<div class="topic-metadata">

**Author:** [@tubbytoad](https://discourse.itk.org/u/tubbytoad)\
**Replies:** 9\
**Last updated:** [May 16, 2018, 8:47pm UTC](https://discourse.itk.org/t/building-and-compiling-with-gcc-8-1/934 "2018-05-16T20:47:05Z")

</div>

I am having an issue building and compiling ITK-4.13 with GCC 8.1.0. I managed to build ITK by temporarily downgrading my GCC version but now since I have upgraded again ITK won’t compile. Any guidance on this would be a…

---

## [CMake error: Python Module](https://discourse.itk.org/t/cmake-error-python-module/860)

<div class="topic-metadata">

**Author:** [@melrobin](https://discourse.itk.org/u/melrobin)\
**Replies:** 2\
**Last updated:** [May 16, 2018, 4:33pm UTC](https://discourse.itk.org/t/cmake-error-python-module/860 "2018-05-16T16:33:34Z")

</div>

I turned the ITK\_WRAP\_PYTHON variable on using ccmake and get a weird Cmake error when trying to configure. I cannot find any information for WRAP\_CLASS. CMake Error at Modules/Remote/ParabolicMorphology/wrapping/itkM…

---

## [Testing unsupported values in enums](https://discourse.itk.org/t/testing-unsupported-values-in-enums/926)

<div class="topic-metadata">

**Author:** [@jhlegarreta](https://discourse.itk.org/u/jhlegarreta)\
**Replies:** 4\
**Last updated:** [May 16, 2018, 3:31pm UTC](https://discourse.itk.org/t/testing-unsupported-values-in-enums/926 "2018-05-16T15:31:03Z")

</div>

Hi, this is an issue that @seanm brought to the table in this gerrit topic: http://review.source.kitware.com/#/c/23321/ So the question is that some compilers throw a warning for some values that are not certainly lis…

---

## [CMake update](https://discourse.itk.org/t/cmake-update/870)

<div class="topic-metadata">

**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 22\
**Last updated:** [May 16, 2018, 1:03pm UTC](https://discourse.itk.org/t/cmake-update/870 "2018-05-16T13:03:32Z")

</div>

Ubuntu 18.04 will soon be out. It comes with CMake 3.10.2. We said we will require that version for ITK 5.0. I suppose now is a good time to start requiring it? Anyone wanting to do that patching? Saying that is just as …

---

## [Gtest with ITK\_USE\_SYSTEM\_LIBRARIES](https://discourse.itk.org/t/gtest-with-itk-use-system-libraries/935)

<div class="topic-metadata">

**Author:** [@phcerdan](https://discourse.itk.org/u/phcerdan)\
**Replies:** 2\
**Last updated:** [May 15, 2018, 7:38pm UTC](https://discourse.itk.org/t/gtest-with-itk-use-system-libraries/935 "2018-05-15T19:38:50Z")

</div>

Hi, just compiling ITK in new laptop and hitting the following, I have no gtest installed in the computer, but I do want to use other system libraries (fftw mainly) cmake -G Ninja ../ITK-src \\ -DExternalData\_OBJECT\_STOR…

---

## [VXL installation](https://discourse.itk.org/t/vxl-installation/931)

<div class="topic-metadata">

**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 0\
**Last updated:** [May 14, 2018, 8:31pm UTC](https://discourse.itk.org/t/vxl-installation/931 "2018-05-14T20:31:53Z")

</div>

During building ITK i saw that it does not build vxl. do i have to build vxl separately and which version is latest for vxl? because for me it showing that my vxl version is older.

---

## [beginner, registration](https://discourse.itk.org/t/beginner-registration/929)

<div class="topic-metadata">

**Author:** [@sobhani](https://discourse.itk.org/u/sobhani)\
**Replies:** 0\
**Last updated:** [May 14, 2018, 9:59am UTC](https://discourse.itk.org/t/beginner-registration/929 "2018-05-14T09:59:18Z")

</div>

def align\_images(img\_sta,img\_move): elastixImageFilter = sitk.ElastixImageFilter() elastixImageFilter.SetFixedImage(sitk.GetImageFromArray(img\_sta)) elastixImageFilter.SetMovingImage(sitk.GetImageFromArray(i…

---

## [make output deformation smooth](https://discourse.itk.org/t/make-output-deformation-smooth/921)

<div class="topic-metadata">

**Author:** [@Borda](https://discourse.itk.org/u/Borda)\
**Replies:** 7\
**Last updated:** [May 13, 2018, 12:47pm UTC](https://discourse.itk.org/t/make-output-deformation-smooth/921 "2018-05-13T12:47:18Z")

</div>

---

## [ITK installation](https://discourse.itk.org/t/itk-installation/922)

<div class="topic-metadata">

**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 5\
**Last updated:** [May 11, 2018, 6:07pm UTC](https://discourse.itk.org/t/itk-installation/922 "2018-05-11T18:07:44Z")

</div>

Hi can I build older version of ITK and VTK with visual studio 2017? Or I need an older version VS? Because when I am trying to build I am getting NO CMAKE\_CXX\_COMPIlER could be found.

---

## [Regularization in ITK](https://discourse.itk.org/t/regularization-in-itk/568)

<div class="topic-metadata">

**Author:** [@HsuehWen](https://discourse.itk.org/u/HsuehWen)\
**Replies:** 8\
**Last updated:** [May 11, 2018, 5:32pm UTC](https://discourse.itk.org/t/regularization-in-itk/568 "2018-05-11T17:32:53Z")

</div>

Hi, I’m working on B-Spline registration. I found the some of the moving images are distorted too much although that do lead to a lower cost function. I think the standard way to deal with these kind of problem is addin…

---

## [Compute deformation field smoothness](https://discourse.itk.org/t/compute-deformation-field-smoothness/788)

<div class="topic-metadata">

**Author:** [@c.spanakis83](https://discourse.itk.org/u/c.spanakis83)\
**Replies:** 1\
**Last updated:** [March 21, 2018, 2:53pm UTC](https://discourse.itk.org/t/compute-deformation-field-smoothness/788 "2018-03-21T14:53:47Z")

</div>

Hello. I am trying to develop and algorithm for deformable image registration and I want to know if there is a way to calculate the smoothness of the deformation field that warps an image. Thank you in advance

---

## [Older ITK/VTK version code](https://discourse.itk.org/t/older-itk-vtk-version-code/906)

<div class="topic-metadata">

**Author:** [@srbn.ghosh89](https://discourse.itk.org/u/srbn.ghosh89)\
**Replies:** 10\
**Last updated:** [May 10, 2018, 10:06pm UTC](https://discourse.itk.org/t/older-itk-vtk-version-code/906 "2018-05-10T22:06:55Z")

</div>

I have a code which was implemented in older ITK version. Now its not possible to build it with new itk and vtk version. So I was trying to build an older ITK/VTK version with the latest cmake. but i could configure and …

---

## [Running multiple optimizers in parallell, and getting them to "speak" to eachother](https://discourse.itk.org/t/running-multiple-optimizers-in-parallell-and-getting-them-to-speak-to-eachother/911)

<div class="topic-metadata">

**Author:** [@asertyuio](https://discourse.itk.org/u/asertyuio)\
**Replies:** 3\
**Last updated:** [May 9, 2018, 10:55am UTC](https://discourse.itk.org/t/running-multiple-optimizers-in-parallell-and-getting-them-to-speak-to-eachother/911 "2018-05-09T10:55:22Z")

</div>

Hi all, One problem I want to address lies for example in the following cases: I have one large reference image, and two images that I want to register to the reference image. The two images needs to have the same sca…

---

## [animation with bspline registration](https://discourse.itk.org/t/animation-with-bspline-registration/915)

<div class="topic-metadata">

**Author:** [@henrisco82](https://discourse.itk.org/u/henrisco82)\
**Replies:** 11\
**Last updated:** [May 10, 2018, 4:20pm UTC](https://discourse.itk.org/t/animation-with-bspline-registration/915 "2018-05-10T16:20:12Z")

</div>

Please I would like to make an animation suitable in gif format to see the different stages the registration does. I am using the example from here http://simpleitk.readthedocs.io/en/master/Examples/ImageRegistrationMe…

---

## [LevelSetsv4Visualization tests SEGFAULT](https://discourse.itk.org/t/levelsetsv4visualization-tests-segfault/912)

<div class="topic-metadata">

**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 0\
**Last updated:** [May 9, 2018, 5:26pm UTC](https://discourse.itk.org/t/levelsetsv4visualization-tests-segfault/912 "2018-05-09T17:26:24Z")

</div>

I think that all the tests in non-default module LevelSetsv4Visualization fail with the error of the style Generic Warning: In /home/dzenan/VTK-8.1.0/Rendering/Core/vtkRenderer.cxx, line 55 Error: no override found fo…

---

## [Marking ITK includes as SYSTEM](https://discourse.itk.org/t/marking-itk-includes-as-system/910)

<div class="topic-metadata">

**Author:** [@spinicist](https://discourse.itk.org/u/spinicist)\
**Replies:** 2\
**Last updated:** [May 8, 2018, 3:37pm UTC](https://discourse.itk.org/t/marking-itk-includes-as-system/910 "2018-05-08T15:37:09Z")

</div>

Hello, I have recently discovered the SYSTEM flag for include\_directories() (https://cmake.org/cmake/help/v3.0/command/include\_directories.html). I’ve added this to my main CMake file for all external libraries that use…

---

## [Extract 2D image from 3D image](https://discourse.itk.org/t/extract-2d-image-from-3d-image/909)

<div class="topic-metadata">

**Author:** [@mabou](https://discourse.itk.org/u/mabou)\
**Replies:** 1\
**Last updated:** [May 8, 2018, 2:57pm UTC](https://discourse.itk.org/t/extract-2d-image-from-3d-image/909 "2018-05-08T14:57:20Z")

</div>

Hello everyone, I have used the code in https://itk.org/ITKExamples/src/Filtering/ImageGrid/ProcessA2DSliceOfA3DImage/Documentation.html to extract 2D image from 3D image (mainly NIFTI image). I had this exception afte…

---

## [Is image.GetOffsetTable()\[0\] always equal to 1?](https://discourse.itk.org/t/is-image-getoffsettable-0-always-equal-to-1/893)

<div class="topic-metadata">

**Author:** [@Niels\_Dekker](https://discourse.itk.org/u/Niels_Dekker)\
**Replies:** 6\
**Last updated:** [May 8, 2018, 1:22pm UTC](https://discourse.itk.org/t/is-image-getoffsettable-0-always-equal-to-1/893 "2018-05-08T13:22:01Z")

</div>

itkShapedImageNeighborhoodRange.h has the following assert: const OffsetValueType\* const offsetTable = image.GetOffsetTable(); assert((offsetTable != nullptr) && (offsetTable\[0\] == 1)); Is it safe to assume that the fi…

---

## [FilterWatcher](https://discourse.itk.org/t/filterwatcher/882)

<div class="topic-metadata">

**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 5\
**Last updated:** [May 7, 2018, 5:14pm UTC](https://discourse.itk.org/t/filterwatcher/882 "2018-05-07T17:14:48Z")

</div>

FilterWatcher class from itkFilterWatcher.h is not in itk:: namespace. I added in issue. Should we move it there? This patch fixes an unrelated bug in that class.

---

## [Bspline grid size per level](https://discourse.itk.org/t/bspline-grid-size-per-level/892)

<div class="topic-metadata">

**Author:** [@Adi\_Zholkover](https://discourse.itk.org/u/Adi_Zholkover)\
**Replies:** 3\
**Last updated:** [May 7, 2018, 2:04pm UTC](https://discourse.itk.org/t/bspline-grid-size-per-level/892 "2018-05-07T14:04:13Z")

</div>

Does SimpleITK support specifying bspline transform grid size per level? For example, for the first level use a 4x4 grid, and for the second level use a 8x8 grid. Thanks

---

## [Result of itk.Size](https://discourse.itk.org/t/result-of-itk-size/851)

<div class="topic-metadata">

**Author:** [@zhuangming.shen](https://discourse.itk.org/u/zhuangming.shen)\
**Replies:** 5\
**Last updated:** [May 7, 2018, 8:56am UTC](https://discourse.itk.org/t/result-of-itk-size/851 "2018-05-07T08:56:10Z")

</div>

Hi all, The result of itk.Size seems to be different between ITK 4.13.0 and ITK 5.0. Is this a bug? Thanks. \[image\] Regards, Zhuangming Shen

---

## [Computed tomography scan resampling](https://discourse.itk.org/t/computed-tomography-scan-resampling/905)

<div class="topic-metadata">

**Author:** [@lungradiology](https://discourse.itk.org/u/lungradiology)\
**Replies:** 4\
**Last updated:** [May 6, 2018, 9:49pm UTC](https://discourse.itk.org/t/computed-tomography-scan-resampling/905 "2018-05-06T21:49:14Z")

</div>

Hi, I am having a 3D CT scans from which I need to extract some coronal views according to provided coordinates. Also sometimes I need to adjust extracted slice pixel spacings. So my question is what is the right order …

---

## [ITK\_DISALLOW\_COPY\_AND\_ASSIGN?](https://discourse.itk.org/t/itk-disallow-copy-and-assign/648)

<div class="topic-metadata">

**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 31\
**Last updated:** [May 5, 2018, 12:20pm UTC](https://discourse.itk.org/t/itk-disallow-copy-and-assign/648 "2018-05-05T12:20:10Z")

</div>

Should we implement a mechanism similar to boost’s noncopyable and put it somewhere in the filter class hierarchy?

---

## [Build error with 64-bit Qt](https://discourse.itk.org/t/build-error-with-64-bit-qt/895)

<div class="topic-metadata">

**Author:** [@Gib](https://discourse.itk.org/u/Gib)\
**Replies:** 6\
**Last updated:** [May 3, 2018, 9:46pm UTC](https://discourse.itk.org/t/build-error-with-64-bit-qt/895 "2018-05-03T21:46:35Z")

</div>

I am trying to build a Qt program on Windows7 with 64-bit Qt, ITK and VTK. I have done this before, several years ago, and I suspect that I’ve forgotten a key step. I’m using a CMakeLists.txt file, and after setting th…

---

## [Image gradients and resampling](https://discourse.itk.org/t/image-gradients-and-resampling/898)

<div class="topic-metadata">

**Author:** [@beastwood](https://discourse.itk.org/u/beastwood)\
**Replies:** 0\
**Last updated:** [May 3, 2018, 7:33pm UTC](https://discourse.itk.org/t/image-gradients-and-resampling/898 "2018-05-03T19:33:05Z")

</div>

Hi All, I’m hoping someone can explain to some behavior I didn’t expect. I am computing the gradient magnitude of a 3D image along the first two dimensions by using a collection of itk::RecursiveGaussianImageFilters, w…

[Previous page](https://discourse.itk.org/latest.md?page=100)

[Next page](https://discourse.itk.org/latest.md?page=102)