# Engineering

**URL:** https://discourse.itk.org/c/engineering/6.md?page=21

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

**Page:** 22

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## [ITK Python package for ppc64le (POWER8)](https://discourse.itk.org/t/itk-python-package-for-ppc64le-power8/774)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 1\
**Last updated:** [March 27, 2018, 9:54pm UTC](https://discourse.itk.org/t/itk-python-package-for-ppc64le-power8/774 "2018-03-27T21:54:50Z")

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An experimental ITK Python package is available for the ppc64le architecture, i.e. the POWER8 processor. To install, Download the wheel package. Install via python -m pip install /path/to/itk-4.13.0-cp27-cp27mu-linux\_…

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## [Mix Shared and Static Libraries to Reduce Bloat?](https://discourse.itk.org/t/mix-shared-and-static-libraries-to-reduce-bloat/795)

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**Author:** [@spinicist](https://discourse.itk.org/u/spinicist)\
**Replies:** 11\
**Last updated:** [March 26, 2018, 7:33pm UTC](https://discourse.itk.org/t/mix-shared-and-static-libraries-to-reduce-bloat/795 "2018-03-26T19:33:58Z")

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Hi, My repo is here: https://github.com/spinicist/QUIT. This builds a decent number of smallish command-line programs. With static linking, each one ends up ~10 megs in size. However, the majority of that size is ITK co…

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## [Addressing "itkIndex.h:391:27: warning: array subscript is above array bound"](https://discourse.itk.org/t/addressing-itkindex-h-391-27-warning-array-subscript-is-above-array-bound/785)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 1\
**Last updated:** [March 21, 2018, 6:11pm UTC](https://discourse.itk.org/t/addressing-itkindex-h-391-27-warning-array-subscript-is-above-array-bound/785 "2018-03-21T18:11:39Z")

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On the CircleCi builds we are getting large number of error like this: In file included from /ITK/Modules/Core/Common/include/itkContinuousIndex.h:22:0, | constexpr size\_type size() const …

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## [Other compile errors](https://discourse.itk.org/t/other-compile-errors/779)

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**Author:** [@melrobin](https://discourse.itk.org/u/melrobin)\
**Replies:** 1\
**Last updated:** [March 18, 2018, 7:49pm UTC](https://discourse.itk.org/t/other-compile-errors/779 "2018-03-18T19:49:35Z")

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I am trying to build ITK by gradually turning on more features and have run into some more errors: /home/melrobin/packages/ITK/Modules/Remote/ParabolicMorphology/include/itkParabolicErodeDilateImageFilter.hxx: In member…

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## [ITK build problems](https://discourse.itk.org/t/itk-build-problems/766)

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**Author:** [@melrobin](https://discourse.itk.org/u/melrobin)\
**Replies:** 3\
**Last updated:** [March 16, 2018, 2:58pm UTC](https://discourse.itk.org/t/itk-build-problems/766 "2018-03-16T14:58:49Z")

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I would have put this in the issues tracker, but it appears to be down. There have been some recent changes on the github.com version of ITK and I can no longer build. In particular the errors relate to the ExceptionOb…

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## [Stopped getting Discourse e-mail?](https://discourse.itk.org/t/stopped-getting-discourse-e-mail/749)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 3\
**Last updated:** [March 13, 2018, 10:04pm UTC](https://discourse.itk.org/t/stopped-getting-discourse-e-mail/749 "2018-03-13T22:04:48Z")

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I have “Enabled mailing list mode” in my profile, but I have stopped getting e-mail. Is any one else still getting e-mails? I am not sure if it is a problem with discourse or if it has been classified as spam here. Th…

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## [Issues passing -DModule\_\* flags to ccmake.](https://discourse.itk.org/t/issues-passing-dmodule-flags-to-ccmake/742)

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**Author:** [@DVigneault](https://discourse.itk.org/u/DVigneault)\
**Replies:** 2\
**Last updated:** [March 8, 2018, 5:11am UTC](https://discourse.itk.org/t/issues-passing-dmodule-flags-to-ccmake/742 "2018-03-08T05:11:40Z")

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All– My build of ITK requires a number of remote modules to be turned on. In order to document and reproduce my build (for collaborators, as well as for my future self) I’ve been writing bash scripts which pass the rel…

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## [RUNPATH ignored by linker for ITK-libs of newer ITK (4.12.2)](https://discourse.itk.org/t/runpath-ignored-by-linker-for-itk-libs-of-newer-itk-4-12-2/743)

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**Author:** [@grothausmann.roman](https://discourse.itk.org/u/grothausmann.roman)\
**Replies:** 1\
**Last updated:** [March 7, 2018, 3:46pm UTC](https://discourse.itk.org/t/runpath-ignored-by-linker-for-itk-libs-of-newer-itk-4-12-2/743 "2018-03-07T15:46:21Z")

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It seems programs compiled (cmake, make, gcc-6.3, debian-9) with newer ITK (e.g. 4.12.2) set the RUNPATH in an executable (with CMAKE\_INSTALL\_RPATH\_USE\_LINK\_PATH TRUE) whereas compiling the same code with older ITK (e.g.…

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## [CDash Expected Nightly Build Changes](https://discourse.itk.org/t/cdash-expected-nightly-build-changes/629)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 8\
**Last updated:** [March 6, 2018, 8:04pm UTC](https://discourse.itk.org/t/cdash-expected-nightly-build-changes/629 "2018-03-06T20:04:03Z")

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I am creating a topic to place requests to move builds to and from the “Nightly Expected” section on CDash. Or other similar requests for the Dashboard.

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## [Wrap itk.MultiResolutionPDEDeformableRegistration to Python](https://discourse.itk.org/t/wrap-itk-multiresolutionpdedeformableregistration-to-python/612)

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**Author:** [@zhuangming.shen](https://discourse.itk.org/u/zhuangming.shen)\
**Replies:** 9\
**Last updated:** [March 5, 2018, 11:14pm UTC](https://discourse.itk.org/t/wrap-itk-multiresolutionpdedeformableregistration-to-python/612 "2018-03-05T23:14:41Z")

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Hi all, Could someone help to wrap itk.MultiResolutionPDEDeformableRegistration to Python? As a result, I can use multi-resolution deformable registration. Thanks in advance. Regards, Zhuangming Shen

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## [Please move lhcp-rh6 builds out of "Needs Dashboard Maintainer Attention" section](https://discourse.itk.org/t/please-move-lhcp-rh6-builds-out-of-needs-dashboard-maintainer-attention-section/726)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 5\
**Last updated:** [March 5, 2018, 4:42pm UTC](https://discourse.itk.org/t/please-move-lhcp-rh6-builds-out-of-needs-dashboard-maintainer-attention-section/726 "2018-03-05T16:42:50Z")

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The issue with a couple builds related to vnl\_math test failures has now been fixed via the following topic: http://review.source.kitware.com/#/c/23217/ Please move the relevant builds back to the expected section. The…

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## [New Build Errors on CDash 1/24/18 - drop support for VS2013 in ITKv5?](https://discourse.itk.org/t/new-build-errors-on-cdash-1-24-18-drop-support-for-vs2013-in-itkv5/619)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 36\
**Last updated:** [March 5, 2018, 10:33am UTC](https://discourse.itk.org/t/new-build-errors-on-cdash-1-24-18-drop-support-for-vs2013-in-itkv5/619 "2018-03-05T10:33:17Z")

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Good morning, I am seeing some new build errors on CDash this morning. Here is a new link error that looks like “-lm” may not be added? Any one have any ideas on a change yesterday or why? ../../lib/libITKNrrdIO-5.0.s…

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## [Windows Builds](https://discourse.itk.org/t/windows-builds/722)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 3\
**Last updated:** [February 28, 2018, 3:30pm UTC](https://discourse.itk.org/t/windows-builds/722 "2018-02-28T15:30:33Z")

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There are a lack of windows builds on the dashboard now. What happened to the Kitware build? My builds are experiencing some “random” time outs. I am wondering if this is related to the recent Threading changes?

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## [DIfferent pixel values encountered when using DCMTK or GDCM as IO provider](https://discourse.itk.org/t/different-pixel-values-encountered-when-using-dcmtk-or-gdcm-as-io-provider/714)

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**Author:** [@mbh](https://discourse.itk.org/u/mbh)\
**Replies:** 1\
**Last updated:** [February 27, 2018, 10:15am UTC](https://discourse.itk.org/t/different-pixel-values-encountered-when-using-dcmtk-or-gdcm-as-io-provider/714 "2018-02-27T10:15:23Z")

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I have experienced that Dicom pixel data are interpreted differently when read using GDCM as IO provider compared to using DCMTK as provider. The problem arises when the rescale slope and intercept in the dicom files re…

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## [Differences between using component ITKImageIO and explicitly setting ITKIOTIFF](https://discourse.itk.org/t/differences-between-using-component-itkimageio-and-explicitly-setting-itkiotiff/697)

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**Author:** [@phcerdan](https://discourse.itk.org/u/phcerdan)\
**Replies:** 6\
**Last updated:** [February 22, 2018, 7:53pm UTC](https://discourse.itk.org/t/differences-between-using-component-itkimageio-and-explicitly-setting-itkiotiff/697 "2018-02-22T19:53:58Z")

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I have found an odd behavior, but only tested in my local computer. If I use any automatic IO detection (pre 4.13 approach, or newer/cleaner ITKImageIO) and try to read a 3D .tiff image, for example, 64x64x16, I get a 6…

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## [Can LabelImageToStatisticsLabelMapFilter yield invalid statistics for some labels?](https://discourse.itk.org/t/can-labelimagetostatisticslabelmapfilter-yield-invalid-statistics-for-some-labels/691)

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**Author:** [@grothausmann.roman](https://discourse.itk.org/u/grothausmann.roman)\
**Replies:** 4\
**Last updated:** [February 21, 2018, 4:29pm UTC](https://discourse.itk.org/t/can-labelimagetostatisticslabelmapfilter-yield-invalid-statistics-for-some-labels/691 "2018-02-21T16:29:11Z")

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Hello, LabelStatisticsImageFilter has a ValidLabelValuesContainerType where as LabelImageToStatisticsLabelMapFilter has not. To my understanding LabelImageToStatisticsLabelMapFilter only incorporates LabelMapToLabelIma…

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## [Using the C++11 auto keyword in ITKv5 code](https://discourse.itk.org/t/using-the-c-11-auto-keyword-in-itkv5-code/682)

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**Author:** [@Niels\_Dekker](https://discourse.itk.org/u/Niels_Dekker)\
**Replies:** 14\
**Last updated:** [February 21, 2018, 1:26am UTC](https://discourse.itk.org/t/using-the-c-11-auto-keyword-in-itkv5-code/682 "2018-02-21T01:26:32Z")

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On recent patches to ITKv5 that I proposed, I was asked not to use the C++11 auto keyword. For example, in the following code: const auto centerPoint = (\*itCircles)-\>GetCenterPoint(); Which I then replaced by the follo…

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## [New SmartPointer issues](https://discourse.itk.org/t/new-smartpointer-issues/693)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 0\
**Last updated:** [February 20, 2018, 6:43pm UTC](https://discourse.itk.org/t/new-smartpointer-issues/693 "2018-02-20T18:43:24Z")

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Following the recent update to ITK’s SmartPointers, I had one issue with compilation of SimpleITK: SimpleITK/Code/BasicFilters/src/sitkCreateInterpolator.hxx:143:14: error: conversion from 'long int' to 'itk::Interpolat…

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## [ITK Doxygen out of date](https://discourse.itk.org/t/itk-doxygen-out-of-date/681)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 6\
**Last updated:** [February 20, 2018, 4:22pm UTC](https://discourse.itk.org/t/itk-doxygen-out-of-date/681 "2018-02-20T16:22:14Z")

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The ITK Doxygen has not been updated since Jan 22: https://itk.org/Insight/Doxygen/html/index.html

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## [Behavior of Mask Images in ITK](https://discourse.itk.org/t/behavior-of-mask-images-in-itk/607)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 6\
**Last updated:** [February 19, 2018, 7:20pm UTC](https://discourse.itk.org/t/behavior-of-mask-images-in-itk/607 "2018-02-19T19:20:21Z")

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There are quite a number of filters and algorithms in ITK which use the concept of a mask image. They are frequently used to specify a boolean value of where an algorithm should be applied. There are several different wa…

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## [Mutual information of projected images](https://discourse.itk.org/t/mutual-information-of-projected-images/673)

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**Author:** [@Niek](https://discourse.itk.org/u/Niek)\
**Replies:** 3\
**Last updated:** [February 14, 2018, 1:56pm UTC](https://discourse.itk.org/t/mutual-information-of-projected-images/673 "2018-02-14T13:56:07Z")

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I’m currenty working on a project but I’m stuck. I have two images. Both are projected images from a sphere to a square image. One is just a grayscale image of a spherical camera and the other is an intensity image of s…

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## [Missing mangling of HDF5 symbols](https://discourse.itk.org/t/missing-mangling-of-hdf5-symbols/674)

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**Author:** [@seanm](https://discourse.itk.org/u/seanm)\
**Replies:** 1\
**Last updated:** [February 13, 2018, 5:29pm UTC](https://discourse.itk.org/t/missing-mangling-of-hdf5-symbols/674 "2018-02-13T17:29:22Z")

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Hi all, I notice that ITK’s HDF5 doesn’t seem to include one of those header files to mangle symbol names to include an ‘itk’ prefix. Is it just that no one got around to adding one, or something else? (I ask because …

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## [Developing General Purpose Functions using ITK with Function Templates](https://discourse.itk.org/t/developing-general-purpose-functions-using-itk-with-function-templates/652)

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**Author:** [@WillScottJackson](https://discourse.itk.org/u/WillScottJackson)\
**Replies:** 2\
**Last updated:** [February 8, 2018, 10:40am UTC](https://discourse.itk.org/t/developing-general-purpose-functions-using-itk-with-function-templates/652 "2018-02-08T10:40:50Z")

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Hi There I’m working on an image processing library and using ITK functionality to achieve this. I’m trying to design this library so that it is as general purpose as possible and hoping function templates will do the j…

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## [LabelErodeDilate And other remote module failures](https://discourse.itk.org/t/labelerodedilate-and-other-remote-module-failures/634)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 18\
**Last updated:** [February 7, 2018, 6:28pm UTC](https://discourse.itk.org/t/labelerodedilate-and-other-remote-module-failures/634 "2018-02-07T18:28:05Z")

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The hash specified for the LabelErodeDilate remote module does not exist in the repository; https://open.cdash.org/viewConfigure.php?buildid=5240282 The InsightSoftwareConstorium repo is the one used by ITK, the repo i…

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## [4.13 started adding a 'd' suffix to some built libraries?](https://discourse.itk.org/t/4-13-started-adding-a-d-suffix-to-some-built-libraries/570)

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**Author:** [@seanm](https://discourse.itk.org/u/seanm)\
**Replies:** 15\
**Last updated:** [February 6, 2018, 4:05pm UTC](https://discourse.itk.org/t/4-13-started-adding-a-d-suffix-to-some-built-libraries/570 "2018-02-06T16:05:24Z")

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Hi all, I just tried building 4.13 and there seems to have been a change in the naming of some libraries, specifically, some now seem to have a ‘d’ suffix, perhaps meaning ‘debug’? ex: libITKIONIFTId.a In 4.12, this w…

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## [review.source.kitware.com is currently down for maintenance](https://discourse.itk.org/t/review-source-kitware-com-is-currently-down-for-maintenance/647)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [February 5, 2018, 6:00pm UTC](https://discourse.itk.org/t/review-source-kitware-com-is-currently-down-for-maintenance/647 "2018-02-05T18:00:05Z")

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review.source.kitware.com is currently down for maintenance. It is expected to be restored over the next hour.

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## [Recent change to vxl\_config.h installation location?](https://discourse.itk.org/t/recent-change-to-vxl-config-h-installation-location/636)

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**Author:** [@seanm](https://discourse.itk.org/u/seanm)\
**Replies:** 2\
**Last updated:** [January 30, 2018, 9:15pm UTC](https://discourse.itk.org/t/recent-change-to-vxl-config-h-installation-location/636 "2018-01-30T21:15:11Z")

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Hi all, ITK master was working for me about a week ago. Now I’ve updated and rebuilt and it seems that vxl\_config.h is no longer installed in include/ITK-5.0 but rather in include/vxl/core. I assume that’s a bug, yes? …

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## [Minimum CMake version update](https://discourse.itk.org/t/minimum-cmake-version-update/585)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 19\
**Last updated:** [January 27, 2018, 11:46am UTC](https://discourse.itk.org/t/minimum-cmake-version-update/585 "2018-01-27T11:46:41Z")

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During today’s confab meeting (notes), we decided to update the minimum required CMake version in ITK master from 2.8.12 to 3.8.2. The change will occur at the end of next week. Meanwhile, all dashboard build machines ne…

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## [Status of Analyze 7.5 file format support](https://discourse.itk.org/t/status-of-analyze-7-5-file-format-support/624)

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**Author:** [@seanm](https://discourse.itk.org/u/seanm)\
**Replies:** 1\
**Last updated:** [January 26, 2018, 8:11pm UTC](https://discourse.itk.org/t/status-of-analyze-7-5-file-format-support/624 "2018-01-26T20:11:25Z")

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Hi all, Now that the itkAnalyzeImageIO class is gone in ITK git master, I’m looking at updating my app (which uses this class). First question: why was this class deprecated and removed anyway? Anyway, I’ve been looki…

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## [Missing wrapper for LabelOverlapMeasuresImageFilter](https://discourse.itk.org/t/missing-wrapper-for-labeloverlapmeasuresimagefilter/621)

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**Author:** [@christophe.vandijck](https://discourse.itk.org/u/christophe.vandijck)\
**Replies:** 2\
**Last updated:** [January 26, 2018, 3:12pm UTC](https://discourse.itk.org/t/missing-wrapper-for-labeloverlapmeasuresimagefilter/621 "2018-01-26T15:12:14Z")

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Hi, Is it possible that no python wrapper exists for the LabelOverlapMeasuresImageFilter class? If necessary, I can take a shot at adding the wrapper if someone would point me in the right direction. Tested on itk 4.1…

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