# Development

**URL:** https://discourse.slicer.org/c/dev/5.md?no_subcategories=false&page=106

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

**Page:** 107

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## [Build Failure Suse Enterprise 12](https://discourse.slicer.org/t/build-failure-suse-enterprise-12/7752)

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**Author:** [@sbouix](https://discourse.slicer.org/u/sbouix)\
**Replies:** 4\
**Last updated:** [July 25, 2019, 2:03pm UTC](https://discourse.slicer.org/t/build-failure-suse-enterprise-12/7752 "2019-07-25T14:03:47Z")

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Hi, I am trying to compile v4.10.2 on a linux cluster managed by LRZ (lrz.de) and compilation fails at this stage: \[ 36%\] Linking CXX executable …/…/…/…/bin/qMRMLWidgetsCxxTests /usr/lib64/gcc/x86\_64-suse-linux/4.8/…/……

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## [How to hide the default 3D Slicer GUI with Slicelet module?](https://discourse.slicer.org/t/how-to-hide-the-default-3d-slicer-gui-with-slicelet-module/7721)

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**Author:** [@Zhao\_Su](https://discourse.slicer.org/u/Zhao_Su)\
**Replies:** 4\
**Last updated:** [July 25, 2019, 11:35am UTC](https://discourse.slicer.org/t/how-to-hide-the-default-3d-slicer-gui-with-slicelet-module/7721 "2019-07-25T11:35:51Z")

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like this

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## [Segmentation with higher resolution](https://discourse.slicer.org/t/segmentation-with-higher-resolution/7495)

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**Author:** [@David\_M](https://discourse.slicer.org/u/David_M)\
**Replies:** 2\
**Last updated:** [July 25, 2019, 6:50am UTC](https://discourse.slicer.org/t/segmentation-with-higher-resolution/7495 "2019-07-25T06:50:08Z")

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Hi everyone, I would like to make a segmentation of the eye, with a resolution of 0.1 mm. For this purpose, I would like to start my segmentation from building spheres from python code. I tried to start from this code …

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## [Apply transform to a given fiducial in Python script](https://discourse.slicer.org/t/apply-transform-to-a-given-fiducial-in-python-script/7239)

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**Author:** [@Eloise](https://discourse.slicer.org/u/Eloise)\
**Replies:** 3\
**Last updated:** [July 25, 2019, 3:39am UTC](https://discourse.slicer.org/t/apply-transform-to-a-given-fiducial-in-python-script/7239 "2019-07-25T03:39:13Z")

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Hi all, I have a vtkMRMLMarkupsFiducialNode that contains multiple fiducials corresponding to distinct labels and I would like to apply a specific vtkMRMLTransform to each given fiducial depending on its label. I have …

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## [Update 3D view if node changes](https://discourse.slicer.org/t/update-3d-view-if-node-changes/7530)

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**Author:** [@fpsiddiqui91](https://discourse.slicer.org/u/fpsiddiqui91)\
**Replies:** 6\
**Last updated:** [July 24, 2019, 8:18pm UTC](https://discourse.slicer.org/t/update-3d-view-if-node-changes/7530 "2019-07-24T20:18:11Z")

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Hello Slicer Developers, I am quite new to slicer and still in exploring stage. I have developed a small application in which a track can be generated from the given markup Then I changed the coordinates of the markup …

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## [Slice intersections implementation](https://discourse.slicer.org/t/slice-intersections-implementation/7725)

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**Author:** [@rprueckl](https://discourse.slicer.org/u/rprueckl)\
**Replies:** 3\
**Last updated:** [July 24, 2019, 7:27am UTC](https://discourse.slicer.org/t/slice-intersections-implementation/7725 "2019-07-24T07:27:02Z")

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Hi, I’m looking for some help in understanding an implementation detail: I am unable to find the implementation of the slice intersection lines that are displayed in the slice viewers when they are activated via the men…

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## [I can't open Slicer with Guidelet module](https://discourse.slicer.org/t/i-cant-open-slicer-with-guidelet-module/7715)

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**Author:** [@Zhao\_Su](https://discourse.slicer.org/u/Zhao_Su)\
**Replies:** 1\
**Last updated:** [July 23, 2019, 1:54pm UTC](https://discourse.slicer.org/t/i-cant-open-slicer-with-guidelet-module/7715 "2019-07-23T13:54:47Z")

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## [Are MRML attributes saved in Sequences?](https://discourse.slicer.org/t/are-mrml-attributes-saved-in-sequences/7698)

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**Author:** [@ungi](https://discourse.slicer.org/u/ungi)\
**Replies:** 6\
**Last updated:** [July 22, 2019, 10:46pm UTC](https://discourse.slicer.org/t/are-mrml-attributes-saved-in-sequences/7698 "2019-07-22T22:46:52Z")

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Hi, Are MRML node attributes saved and loaded by Sequences? My suspicion is that they are not. I tried adding attributes to an image and scrolling the Sequence Browser to new images. But the attributes stayed. I also tr…

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## [Display fibers as tube with non-uniform radius](https://discourse.slicer.org/t/display-fibers-as-tube-with-non-uniform-radius/7562)

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**Author:** [@fpsiddiqui91](https://discourse.slicer.org/u/fpsiddiqui91)\
**Replies:** 9\
**Last updated:** [July 22, 2019, 7:43am UTC](https://discourse.slicer.org/t/display-fibers-as-tube-with-non-uniform-radius/7562 "2019-07-22T07:43:29Z")

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## [Opening slicer using python gui](https://discourse.slicer.org/t/opening-slicer-using-python-gui/7678)

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**Author:** [@Fabi-LiU](https://discourse.slicer.org/u/Fabi-LiU)\
**Replies:** 1\
**Last updated:** [July 19, 2019, 3:29am UTC](https://discourse.slicer.org/t/opening-slicer-using-python-gui/7678 "2019-07-19T03:29:49Z")

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Hello! I’m about to create a gui using python. I only need to display the module “models” and the mrml. Can I launch slicer in the background somehow? I’ve seen the slicelet option but those are written within python i…

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## [Use segment editor from Python](https://discourse.slicer.org/t/use-segment-editor-from-python/7648)

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**Author:** [@jazlynn21100](https://discourse.slicer.org/u/jazlynn21100)\
**Replies:** 1\
**Last updated:** [July 18, 2019, 2:24am UTC](https://discourse.slicer.org/t/use-segment-editor-from-python/7648 "2019-07-18T02:24:14Z")

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## [Feedback requested: How to improve mouse interaction in views?](https://discourse.slicer.org/t/feedback-requested-how-to-improve-mouse-interaction-in-views/6420)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 20\
**Last updated:** [July 17, 2019, 7:23pm UTC](https://discourse.slicer.org/t/feedback-requested-how-to-improve-mouse-interaction-in-views/6420 "2019-07-17T19:23:32Z")

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Redesigned markups allow us to add a lot of new features, and we need to ensure that these new features are conveniently accessible via keyboard shortcuts and mouse gestures. Since number of mouse buttons and modifier k…

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## [Implementation of the Bone Texture Extension](https://discourse.slicer.org/t/implementation-of-the-bone-texture-extension/7601)

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**Author:** [@blackfish](https://discourse.slicer.org/u/blackfish)\
**Replies:** 1\
**Last updated:** [July 17, 2019, 5:58pm UTC](https://discourse.slicer.org/t/implementation-of-the-bone-texture-extension/7601 "2019-07-17T17:58:17Z")

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@jbvimort: I have a question regarding the extension that you’ve implemented, specifically regarding how the appxorimation of the trabecular region was done. Was it using the plate model? a spherical model? other method…

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## [Tractography interactive seeding in CLI module](https://discourse.slicer.org/t/tractography-interactive-seeding-in-cli-module/7631)

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**Author:** [@fpsiddiqui91](https://discourse.slicer.org/u/fpsiddiqui91)\
**Replies:** 8\
**Last updated:** [July 17, 2019, 4:45pm UTC](https://discourse.slicer.org/t/tractography-interactive-seeding-in-cli-module/7631 "2019-07-17T16:45:35Z")

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Hello Developers, First of all Thank you for the support. I made some progress in my current task. I have implemented UKF tractography and add some modifications on it which I needed. Now I want to implement interactiv…

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## [Update volume node](https://discourse.slicer.org/t/update-volume-node/7590)

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**Author:** [@rbahegne](https://discourse.slicer.org/u/rbahegne)\
**Replies:** 3\
**Last updated:** [July 16, 2019, 8:28pm UTC](https://discourse.slicer.org/t/update-volume-node/7590 "2019-07-16T20:28:42Z")

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Hello, I want to display data as i receive them. So i created a volume node and each time i receive data i do a SetAndObserveImageData with the new data. Like this : m\_streamNode-\>StartModify(); m\_streamNode-\>SetAndO…

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## [vtkDiscreteMarchingCubes Output Transform compared to original vtkOrientedImageData](https://discourse.slicer.org/t/vtkdiscretemarchingcubes-output-transform-compared-to-original-vtkorientedimagedata/7608)

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**Author:** [@basti](https://discourse.slicer.org/u/basti)\
**Replies:** 2\
**Last updated:** [July 16, 2019, 4:17pm UTC](https://discourse.slicer.org/t/vtkdiscretemarchingcubes-output-transform-compared-to-original-vtkorientedimagedata/7608 "2019-07-16T16:17:17Z")

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Dear forum, I’m trying to create a vtkPolyData out of a vtkOrientedImageData. Given a segmentation ‘Segmentation’ with a segment with id ‘Segment\_1’, the output model is strangely transformed to the input oriented image…

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## [Relative path setting for loading data python script](https://discourse.slicer.org/t/relative-path-setting-for-loading-data-python-script/4084)

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**Author:** [@Saima](https://discourse.slicer.org/u/Saima)\
**Replies:** 2\
**Last updated:** [December 17, 2018, 2:16pm UTC](https://discourse.slicer.org/t/relative-path-setting-for-loading-data-python-script/4084 "2018-12-17T14:16:07Z")

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How to set relative path for loading Data using scripts in python slicer?

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## [Two different layoutWidget](https://discourse.slicer.org/t/two-different-layoutwidget/7567)

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**Author:** [@AndreaRoberti](https://discourse.slicer.org/u/AndreaRoberti)\
**Replies:** 4\
**Last updated:** [July 14, 2019, 6:55pm UTC](https://discourse.slicer.org/t/two-different-layoutwidget/7567 "2019-07-14T18:55:39Z")

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Hi, I’m developing a custom interface with slicer for one of my projects, and i’m facing a “simple” problem. I want in the same QWidget two different layoutWidget with two different layout manager, but when I create th…

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## [qt.QFormBuilder?](https://discourse.slicer.org/t/qt-qformbuilder/7551)

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**Author:** [@adamrankin](https://discourse.slicer.org/u/adamrankin)\
**Replies:** 6\
**Last updated:** [July 12, 2019, 8:20pm UTC](https://discourse.slicer.org/t/qt-qformbuilder/7551 "2019-07-12T20:20:18Z")

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Hello all, Before I begin digging, does anyone know why this class may not be available in python? Adam

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## [Python codes for diffusion module](https://discourse.slicer.org/t/python-codes-for-diffusion-module/7546)

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**Author:** [@fpsiddiqui91](https://discourse.slicer.org/u/fpsiddiqui91)\
**Replies:** 4\
**Last updated:** [July 12, 2019, 10:53am UTC](https://discourse.slicer.org/t/python-codes-for-diffusion-module/7546 "2019-07-12T10:53:09Z")

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Hello Developers, Firstly, Thank you for being such a helpful community. I have just started working on Slicer I have had few options for the platform but so far slicer works well for me. I can find the codes for Slic…

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## [Modify properties of the segment editor (maximumHeight of ctkExpandableWidget)](https://discourse.slicer.org/t/modify-properties-of-the-segment-editor-maximumheight-of-ctkexpandablewidget/7467)

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**Author:** [@EricM](https://discourse.slicer.org/u/EricM)\
**Replies:** 8\
**Last updated:** [July 12, 2019, 7:58am UTC](https://discourse.slicer.org/t/modify-properties-of-the-segment-editor-maximumheight-of-ctkexpandablewidget/7467 "2019-07-12T07:58:05Z")

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Hello, I am a beginner at Slicer (1 week today), so I apologize if my question is simple. I am building a small module in which I would like to include the Segment Editor. In particular, I would like to set the maximum …

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## [Reproducible Slicer crash on use of slicer.vtkSlicerReformatLogic.SetSliceOrigin()](https://discourse.slicer.org/t/reproducible-slicer-crash-on-use-of-slicer-vtkslicerreformatlogic-setsliceorigin/7539)

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**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 3\
**Last updated:** [July 11, 2019, 7:43pm UTC](https://discourse.slicer.org/t/reproducible-slicer-crash-on-use-of-slicer-vtkslicerreformatlogic-setsliceorigin/7539 "2019-07-11T19:43:02Z")

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I am trying to get the hang of positioning a slice view within an image volume (as you can do interactively with the Reformat widget or module). Changing the slice normal seems to work fine and as I expect, but it Slice…

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## [Can you explain the CMake variables Slicer\_\<moduleType\>MODULES\_DISABLED|ENABLED?](https://discourse.slicer.org/t/can-you-explain-the-cmake-variables-slicer-moduletype-modules-disabled-enabled/7494)

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**Author:** [@MattTroke](https://discourse.slicer.org/u/MattTroke)\
**Replies:** 1\
**Last updated:** [July 10, 2019, 12:39pm UTC](https://discourse.slicer.org/t/can-you-explain-the-cmake-variables-slicer-moduletype-modules-disabled-enabled/7494 "2019-07-10T12:39:30Z")

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Can you explain how Slicer\_QTLOADABLEMODULES\_ENABLED/Slicer\_QTLOADABLEMODULES\_DISABLED works? If the Slicer\_QTLOADABLEMODULES\_ENABLED list is empty, does it enable all modules excepting those in Slicer\_QTLOADABLEMODULES\_…

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## [Proper use of SlicerApp\_APPLICATION\_NAME](https://discourse.slicer.org/t/proper-use-of-slicerapp-application-name/7475)

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**Author:** [@MattTroke](https://discourse.slicer.org/u/MattTroke)\
**Replies:** 8\
**Last updated:** [July 9, 2019, 1:38pm UTC](https://discourse.slicer.org/t/proper-use-of-slicerapp-application-name/7475 "2019-07-09T13:38:56Z")

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I have a custom build of Slicer and I am trying to override the application name by setting SlicerApp\_APPLICATION\_NAME. However, I get a pile of CMake errors when i build. It seems to fail to find several targets whose n…

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## [Picking Segment Color With Mouse](https://discourse.slicer.org/t/picking-segment-color-with-mouse/7454)

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**Author:** [@Lorensen](https://discourse.slicer.org/u/Lorensen)\
**Replies:** 2\
**Last updated:** [July 9, 2019, 2:03am UTC](https://discourse.slicer.org/t/picking-segment-color-with-mouse/7454 "2019-07-09T02:03:48Z")

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In the Segment Editor is there a way to select a segment color with the mouse? I’m doing voxel editing and currently, I need to find the color in the list, which is not alphabetical by segment name. With over a hundred s…

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## [Decoupled (custom) slice widget in messagebox](https://discourse.slicer.org/t/decoupled-custom-slice-widget-in-messagebox/1215)

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**Author:** [@che85](https://discourse.slicer.org/u/che85)\
**Replies:** 16\
**Last updated:** [June 28, 2019, 10:26pm UTC](https://discourse.slicer.org/t/decoupled-custom-slice-widget-in-messagebox/1215 "2019-06-28T22:26:35Z")

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Hi Developers, I am curious if it would be possible for have a message box showing a slice widget. I somewhat “hacked” that but I am not happy with it and I would like to know if there is a clean way to do it. I am ask…

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## [Bug during 3DSlicer installation](https://discourse.slicer.org/t/bug-during-3dslicer-installation/7413)

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**Author:** [@MachadoL](https://discourse.slicer.org/u/MachadoL)\
**Replies:** 6\
**Last updated:** [July 8, 2019, 1:48pm UTC](https://discourse.slicer.org/t/bug-during-3dslicer-installation/7413 "2019-07-08T13:48:56Z")

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Hi, guys. I’m trying to install Slicer release 4.10.2 in my Linux Mint 18.3 Sylvia Desktop. I correctly installed CMake 3.13.4 and Qt 5.11.0. I go with CMake, configure and generate, everything goes ok! But when I d…

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## [Slicer 4.11 Slice view widget interactions, intersections issue in slicelet](https://discourse.slicer.org/t/slicer-4-11-slice-view-widget-interactions-intersections-issue-in-slicelet/7383)

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**Author:** [@RMR54](https://discourse.slicer.org/u/RMR54)\
**Replies:** 6\
**Last updated:** [July 8, 2019, 12:57pm UTC](https://discourse.slicer.org/t/slicer-4-11-slice-view-widget-interactions-intersections-issue-in-slicelet/7383 "2019-07-08T12:57:29Z")

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This has been observed with Slicer 4.11 nightly. When a slicelet is launched such that the mainWindow is hidden, (the .bat includes --no-main-window argument). I load in a 3D volume, and the red, yellow, and green slice …

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## [Segment comparison returns 0 for all metrics](https://discourse.slicer.org/t/segment-comparison-returns-0-for-all-metrics/7386)

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**Author:** [@saf](https://discourse.slicer.org/u/saf)\
**Replies:** 15\
**Last updated:** [July 5, 2019, 6:06pm UTC](https://discourse.slicer.org/t/segment-comparison-returns-0-for-all-metrics/7386 "2019-07-05T18:06:28Z")

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hello why I always get 0 even if I use the same data? I mean even if both data have the same characteristics

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## [Display Dicom data just received by websocket connection](https://discourse.slicer.org/t/display-dicom-data-just-received-by-websocket-connection/7293)

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**Author:** [@rbahegne](https://discourse.slicer.org/u/rbahegne)\
**Replies:** 29\
**Last updated:** [July 5, 2019, 12:23pm UTC](https://discourse.slicer.org/t/display-dicom-data-just-received-by-websocket-connection/7293 "2019-07-05T12:23:11Z")

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Hello, I’m rather new to Slicer. I just developed a loadable module in C++ that connect to a MRI using websocket and receive dicom image data. Now i just need to display those dicoms. So correct me if i’m wrong, i need …

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