# Latest

**URL:** https://discourse.itk.org/latest.md?page=94

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

**Page:** 95

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## [install issues](https://discourse.itk.org/t/install-issues/1416)

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**Author:** [@hongliang-zu](https://discourse.itk.org/u/hongliang-zu)\
**Replies:** 3\
**Last updated:** [November 16, 2018, 6:39am UTC](https://discourse.itk.org/t/install-issues/1416 "2018-11-16T06:39:48Z")

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I installed itk on a new computer ,and system is win10. question: CMake Error at CMakeLists. TXT :28 (project): Failed to run MSBuild command: C: / Program Files (x86)/MSBuild / 14.0 / bin/MSBuild. Exe To get the va…

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## [Octobox to handle github notifications](https://discourse.itk.org/t/octobox-to-handle-github-notifications/1415)

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**Author:** [@phcerdan](https://discourse.itk.org/u/phcerdan)\
**Replies:** 2\
**Last updated:** [November 14, 2018, 7:47pm UTC](https://discourse.itk.org/t/octobox-to-handle-github-notifications/1415 "2018-11-14T19:47:19Z")

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Hey there, I am having some difficulties tracking Github notifications, there are so many since the transition to Github (which is great!), so I’ve found out this octobox, which provides something similar to an e-mail in…

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## [CI scripts and Dockerfiles of ITKContinuousIntegration](https://discourse.itk.org/t/ci-scripts-and-dockerfiles-of-itkcontinuousintegration/1413)

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**Author:** [@phcerdan](https://discourse.itk.org/u/phcerdan)\
**Replies:** 4\
**Last updated:** [November 14, 2018, 7:38pm UTC](https://discourse.itk.org/t/ci-scripts-and-dockerfiles-of-itkcontinuousintegration/1413 "2018-11-14T19:38:58Z")

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I see that to build windows CI ITK uses this docker image: https://hub.docker.com/r/insighttoolkit/vs2017/ Where can I find the associated Dockerfile? Thanks!

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## [Neural Networks Examples](https://discourse.itk.org/t/neural-networks-examples/1408)

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**Author:** [@melrobin](https://discourse.itk.org/u/melrobin)\
**Replies:** 13\
**Last updated:** [November 14, 2018, 2:46pm UTC](https://discourse.itk.org/t/neural-networks-examples/1408 "2018-11-14T14:46:57Z")

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I am trying to build the Neural Networks ITK example, but the compile fails because of a missing localMetaConfiguration.h. This requires the MetaIO package, but I do not see where this is an option to turn on in CMake, …

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## [Ease transition to const-correct VerifyPreconditions](https://discourse.itk.org/t/ease-transition-to-const-correct-verifypreconditions/1399)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 6\
**Last updated:** [November 13, 2018, 4:26pm UTC](https://discourse.itk.org/t/ease-transition-to-const-correct-verifypreconditions/1399 "2018-11-13T16:26:37Z")

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All the code which overrode VerifyPreconditions() and VerifyInputInformation() now fails to compile with an error message similar to this: 16\>c:\\misc\\bluequartz\\simpl\\source\\simplib\\itk\\itkinplaceimagetodream3ddatafilt…

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## [python question](https://discourse.itk.org/t/python-question/1411)

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**Author:** [@wangfeng](https://discourse.itk.org/u/wangfeng)\
**Replies:** 2\
**Last updated:** [November 13, 2018, 1:57am UTC](https://discourse.itk.org/t/python-question/1411 "2018-11-13T01:57:16Z")

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I have a C++ example,but I can not run this in Python. Help me ,please ! \[C++\] … … typedef RegistrationType::ParametersType ParametersType; ParametersType initialParameters( transform-\>GetNumberOfParameters() ); in…

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## [Connected component image filter example.](https://discourse.itk.org/t/connected-component-image-filter-example/1390)

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**Author:** [@hothao](https://discourse.itk.org/u/hothao)\
**Replies:** 7\
**Last updated:** [November 12, 2018, 9:12am UTC](https://discourse.itk.org/t/connected-component-image-filter-example/1390 "2018-11-12T09:12:32Z")

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I’m running this example about labeling connected components and it gives good results: https://itk.org/Wiki/ITK/Examples/ImageProcessing/ScalarConnectedComponentImageFilter . I would like to ask you a few places I do …

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## [Beautiful display of 3d Segmentation on MPR view!](https://discourse.itk.org/t/beautiful-display-of-3d-segmentation-on-mpr-view/1343)

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**Author:** [@rasoul](https://discourse.itk.org/u/rasoul)\
**Replies:** 2\
**Last updated:** [November 10, 2018, 5:05am UTC](https://discourse.itk.org/t/beautiful-display-of-3d-segmentation-on-mpr-view/1343 "2018-11-10T05:05:07Z")

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Hi every one, I have a set of binary images which are output of my segmentation. I want to display the output in MPR view. Sth like what I attached to this post (Which comes from itk.org main page!). For this purpose…

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## [Custom border extrapolation of ShapedImageNeighborhoodRange by ImageNeighborhoodPixelAccessPolicy](https://discourse.itk.org/t/custom-border-extrapolation-of-shapedimageneighborhoodrange-by-imageneighborhoodpixelaccesspolicy/879)

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**Author:** [@Niels\_Dekker](https://discourse.itk.org/u/Niels_Dekker)\
**Replies:** 33\
**Last updated:** [November 9, 2018, 10:28pm UTC](https://discourse.itk.org/t/custom-border-extrapolation-of-shapedimageneighborhoodrange-by-imageneighborhoodpixelaccesspolicy/879 "2018-11-09T22:28:50Z")

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Hereby I would like explain the idea behind the patch I submitted last Saturday, ENH: Added ImageNeighborhoodPixelAccessPolicy for custom border extrapolation I guess you have seen, last week, the ShapedImageNeighborhoo…

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## [GCC 6 7 vnl\_test\_math isinf failure](https://discourse.itk.org/t/gcc-6-7-vnl-test-math-isinf-failure/725)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 6\
**Last updated:** [November 8, 2018, 4:25pm UTC](https://discourse.itk.org/t/gcc-6-7-vnl-test-math-isinf-failure/725 "2018-11-08T16:25:50Z")

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There is the following test failure on several builds: Test 185: isinf(ninf\_d) --\> \*\*FAILED\*\* I have traced this down to std::isinf returning “-1”, the C++11 standard specifies a…

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## [Merging temporarily suspended](https://discourse.itk.org/t/merging-temporarily-suspended/1396)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 9\
**Last updated:** [November 7, 2018, 8:30pm UTC](https://discourse.itk.org/t/merging-temporarily-suspended/1396 "2018-11-07T20:30:50Z")

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Hi folks, We are migrating the ITK repository mirroring from https://itk.org/ITK.git to https://github.com/InsightSoftwareConsortium/ITK.git Until this is complete, please do not merge topics via the Gerrit / stage …

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## [Convert coordinates](https://discourse.itk.org/t/convert-coordinates/1402)

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**Author:** [@kjwjj627](https://discourse.itk.org/u/kjwjj627)\
**Replies:** 2\
**Last updated:** [November 7, 2018, 6:59pm UTC](https://discourse.itk.org/t/convert-coordinates/1402 "2018-11-07T18:59:22Z")

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Hello all! I am a beginner to learn ITK. I want to know how do I convert image coordinates into world coordinates. For example, I have a coordinate, (-57.81263, -0.0006029, -529.4), and I want to express this coordinat…

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## [How to report ITK issues](https://discourse.itk.org/t/how-to-report-itk-issues/991)

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**Author:** [@lassoan](https://discourse.itk.org/u/lassoan)\
**Replies:** 17\
**Last updated:** [November 7, 2018, 3:05pm UTC](https://discourse.itk.org/t/how-to-report-itk-issues/991 "2018-11-07T15:05:58Z")

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I’ve tried to report a potential error in ITK in the bug report but it seems that only anonymous browsing works. If I create an account and log in and open the ITK bugtracker (https://insightsoftwareconsortium.atlassian.…

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## [ITK Development Git Cheatsheet / Quick Reference PDF](https://discourse.itk.org/t/itk-development-git-cheatsheet-quick-reference-pdf/1398)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [November 6, 2018, 3:49pm UTC](https://discourse.itk.org/t/itk-development-git-cheatsheet-quick-reference-pdf/1398 "2018-11-06T15:49:16Z")

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In addition to our CONTRIBUTING.md documentation, and the Software Process section of the ITK Software Guide, we have an ITK development quick reference PDF: This has been updated for contribution on GitHub. :octopus: …

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## [How to show a DICOM image with ITK and Visual Studio?](https://discourse.itk.org/t/how-to-show-a-dicom-image-with-itk-and-visual-studio/1347)

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**Author:** [@Armando](https://discourse.itk.org/u/Armando)\
**Replies:** 11\
**Last updated:** [November 2, 2018, 5:25pm UTC](https://discourse.itk.org/t/how-to-show-a-dicom-image-with-itk-and-visual-studio/1347 "2018-11-02T17:25:42Z")

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Hi. I am learning to use ITK with visual studio. My question is: How can I, once I have read a DICOM file, be able to show it or load it in a PictureBox (System.Windows.Forms.PictureBox) component of Visual Studio? Tha…

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## [Set start index to zeros after padImageFilter](https://discourse.itk.org/t/set-start-index-to-zeros-after-padimagefilter/1392)

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**Author:** [@Fijoy\_Vadakkumpadan](https://discourse.itk.org/u/Fijoy_Vadakkumpadan)\
**Replies:** 5\
**Last updated:** [November 2, 2018, 2:46pm UTC](https://discourse.itk.org/t/set-start-index-to-zeros-after-padimagefilter/1392 "2018-11-02T14:46:32Z")

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Hello, What’s the best way to set the start index (of the largest possible region) of the padImageFilter output image to zeros? I do not allow negative indices in my application, but am noticing that the start index of…

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## [New implementation of functor filter in OTB](https://discourse.itk.org/t/new-implementation-of-functor-filter-in-otb/1382)

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**Author:** [@julien.michel](https://discourse.itk.org/u/julien.michel)\
**Replies:** 8\
**Last updated:** [October 30, 2018, 3:11pm UTC](https://discourse.itk.org/t/new-implementation-of-functor-filter-in-otb/1382 "2018-10-30T15:11:50Z")

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Hi all, I am working on a new functor filter implementation in OTB, and feedbacks suggest that this is something that could be interesting for ITK. Basically you can use it very simply with any functor with operator() o…

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## [Isotropic Wavelets](https://discourse.itk.org/t/isotropic-wavelets/1386)

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**Author:** [@melrobin](https://discourse.itk.org/u/melrobin)\
**Replies:** 4\
**Last updated:** [October 30, 2018, 4:53pm UTC](https://discourse.itk.org/t/isotropic-wavelets/1386 "2018-10-30T16:53:27Z")

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In building the Wavelet Frequency Inverse test I encounter this problem: In file included from /home/melrobin/packages/ITK/Modules/Remote/IsotropicWavelets/test/itkWaveletFrequencyInverseTest.cxx:23:0: /home/melrobin/p…

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## [Incomplete mangling of the GDCM OpenJPEG library](https://discourse.itk.org/t/incomplete-mangling-of-the-gdcm-openjpeg-library/1334)

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**Author:** [@denis.p.shamonin](https://discourse.itk.org/u/denis.p.shamonin)\
**Replies:** 4\
**Last updated:** [October 30, 2018, 12:15pm UTC](https://discourse.itk.org/t/incomplete-mangling-of-the-gdcm-openjpeg-library/1334 "2018-10-30T12:15:52Z")

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I recently found that your mangling of the OpenJPEG is incomplete. There are two OpenJPEG libraries in ITK: ITK\\Modules\\ThirdParty\\OpenJPEG\\src\\openjpeg ITK\\Modules\\ThirdParty\\GDCM\\src\\gdcm\\Utilities\\gdcmopenjpeg\\src\\l…

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## [JPEG2000 and SWIG](https://discourse.itk.org/t/jpeg2000-and-swig/1385)

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**Author:** [@melrobin](https://discourse.itk.org/u/melrobin)\
**Replies:** 2\
**Last updated:** [October 30, 2018, 4:45am UTC](https://discourse.itk.org/t/jpeg2000-and-swig/1385 "2018-10-30T04:45:29Z")

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I’m having a build problem from the GitHub site that I cannot get past: CMake Error at Wrapping/Generators/SwigInterface/CMakeLists.txt:377 (add\_dependencies): The dependency target “ITKIOJPEG2000Swig” of target “ITKRe…

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## [ITK training](https://discourse.itk.org/t/itk-training/1384)

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**Author:** [@finetjul](https://discourse.itk.org/u/finetjul)\
**Replies:** 0\
**Last updated:** [October 29, 2018, 5:55pm UTC](https://discourse.itk.org/t/itk-training/1384 "2018-10-29T17:55:33Z")

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Dear all, Kitware will be holding a developers training course on March 26th 2019 in Lyon, France. This course will cover features of ITK : Overview/Architecture Segmentation Registration Using ITK in your application…

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## [SimpleITK fail to use ImageJ as external image viewer](https://discourse.itk.org/t/simpleitk-fail-to-use-imagej-as-external-image-viewer/1375)

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**Author:** [@Max135972](https://discourse.itk.org/u/Max135972)\
**Replies:** 5\
**Last updated:** [October 28, 2018, 8:18pm UTC](https://discourse.itk.org/t/simpleitk-fail-to-use-imagej-as-external-image-viewer/1375 "2018-10-28T20:18:12Z")

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System environment: Windows 10 64-bit Python 3.6.5 (Anaconda 64-bit) SimpleITK 1.1.0 ImageJ 1.52a I am just start to use the python tutorial with the pyrhon launch binder project. But it did not work as I expected af…

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## [ModuleNotFoundError: No module named 'downloaddata'](https://discourse.itk.org/t/modulenotfounderror-no-module-named-downloaddata/1376)

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**Author:** [@Max135972](https://discourse.itk.org/u/Max135972)\
**Replies:** 3\
**Last updated:** [October 28, 2018, 2:54pm UTC](https://discourse.itk.org/t/modulenotfounderror-no-module-named-downloaddata/1376 "2018-10-28T14:54:58Z")

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System environment: Windows 10 64-bit Python 3.6.5 (Anaconda 64-bit) SimpleITK 1.1.0 ImageJ 1.52a I try to import such module in python: from downloaddata import fetch\_data as fdata But it returns me: ModuleNotFo…

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## [Always use concept checks?](https://discourse.itk.org/t/always-use-concept-checks/1372)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 3\
**Last updated:** [October 26, 2018, 5:59pm UTC](https://discourse.itk.org/t/always-use-concept-checks/1372 "2018-10-26T17:59:33Z")

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Should we remove option ITK\_USE\_CONCEPT\_CHECKING and always use concept checking in classes? Were there other use cases for this option besides inconsistent support in older compilers?

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## [Why ResampleImageFilter is slow?](https://discourse.itk.org/t/why-resampleimagefilter-is-slow/1217)

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**Author:** [@denis.p.shamonin](https://discourse.itk.org/u/denis.p.shamonin)\
**Replies:** 46\
**Last updated:** [October 25, 2018, 12:25pm UTC](https://discourse.itk.org/t/why-resampleimagefilter-is-slow/1217 "2018-10-25T12:25:29Z")

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Dear developers, I’ve notices strange performance drop in ResampleImageFilter. Here is my logs from ITK 4.12.2, 25 Oct 2017 on the same machine same compiler etc. ITK 4.12.2 ResampleImageFilter ; 3 ; 512x512x256 ; 79…

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## [ConnectedComponentImageFilter doc](https://discourse.itk.org/t/connectedcomponentimagefilter-doc/1368)

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**Author:** [@Fijoy\_Vadakkumpadan](https://discourse.itk.org/u/Fijoy_Vadakkumpadan)\
**Replies:** 5\
**Last updated:** [October 24, 2018, 10:44pm UTC](https://discourse.itk.org/t/connectedcomponentimagefilter-doc/1368 "2018-10-24T22:44:49Z")

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Hello, The documentation for ConnectedComponentImageFilter: https://itk.org/Doxygen/html/classitk\_1\_1ConnectedComponentImageFilter.html states that “The final object labels start with 1 and are consecutive”, but I’m n…

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## [About introducing ImageLists](https://discourse.itk.org/t/about-introducing-imagelists/1365)

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**Author:** [@phcerdan](https://discourse.itk.org/u/phcerdan)\
**Replies:** 3\
**Last updated:** [October 23, 2018, 11:14pm UTC](https://discourse.itk.org/t/about-introducing-imagelists/1365 "2018-10-23T23:14:40Z")

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After dealing with image pyramids which generate a list of images, and the inverse filters which get a list of inputs and generate an output. I was wondering if we could introduce a base class similar to how ImageToImage…

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## [jpg2000](https://discourse.itk.org/t/jpg2000/1345)

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**Author:** [@ludicludo](https://discourse.itk.org/u/ludicludo)\
**Replies:** 27\
**Last updated:** [October 22, 2018, 1:56pm UTC](https://discourse.itk.org/t/jpg2000/1345 "2018-10-22T13:56:01Z")

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Hi everyone, I would like to process histological images with simpleITK or ITK saved as jpg2000 format. It seems that simpleITK doesn’t handle this format. Is it possible to register this specific format in simpleITK o…

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## [Clarifying General Syntax When SimpleITK Documentation](https://discourse.itk.org/t/clarifying-general-syntax-when-simpleitk-documentation/1357)

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**Author:** [@bsmarine](https://discourse.itk.org/u/bsmarine)\
**Replies:** 1\
**Last updated:** [October 16, 2018, 2:30pm UTC](https://discourse.itk.org/t/clarifying-general-syntax-when-simpleitk-documentation/1357 "2018-10-16T14:30:03Z")

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Hi All, With most SimpleITK modules the expected syntax is intuitive. But as a beginner I get occasionally stumped. For example, below I’m trying to load the SetChangeMap parameter for ChangeLabelLabelMapFilter but am n…

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## [error building an external module: cannot open input file 'ITKCommon.lib'](https://discourse.itk.org/t/error-building-an-external-module-cannot-open-input-file-itkcommon-lib/1346)

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**Author:** [@ebennink](https://discourse.itk.org/u/ebennink)\
**Replies:** 12\
**Last updated:** [October 15, 2018, 1:39pm UTC](https://discourse.itk.org/t/error-building-an-external-module-cannot-open-input-file-itkcommon-lib/1346 "2018-10-15T13:39:21Z")

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Dear all, I am trying to build an external ITK module, but linking the new module to the ITK libraries fails. It appears that CMake added the dependent ITK libraries as ITKCommon.lib and ITKSpatialObjects.lib to the lin…

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