# Development **URL:** https://discourse.slicer.org/c/dev/5.md?no_subcategories=false&page=11 [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) **Page:** 12 --- ## [Controlling visibility of slice intersections](https://discourse.slicer.org/t/controlling-visibility-of-slice-intersections/40709)
**Author:** [@shai-ikko](https://discourse.slicer.org/u/shai-ikko)\ **Replies:** 11\ **Last updated:** [December 18, 2024, 1:36pm UTC](https://discourse.slicer.org/t/controlling-visibility-of-slice-intersections/40709 "2024-12-18T13:36:02Z")
Hello, I’m trying to get a layout where one slice view serves as “target” and other slice views serve as “controls”. So, I want to make the target slice (“intersection”) visible in the controls, but not vice versa, and … --- ## [New Module: Remote VISTA3D server for CT segmentation](https://discourse.slicer.org/t/new-module-remote-vista3d-server-for-ct-segmentation/40719)
**Author:** [@aylward](https://discourse.slicer.org/u/aylward)\ **Replies:** 2\ **Last updated:** [December 17, 2024, 2:37pm UTC](https://discourse.slicer.org/t/new-module-remote-vista3d-server-for-ct-segmentation/40719 "2024-12-17T14:37:49Z")
Goal Provide access to MONAI-based foundation models to users running 3D Slicer on low-end (e.g., no GPU) machines by launching those AI methods on freely available (albeit limited total usage) high-end servers. Overvi… --- ## [How to Enable Maximum Intensity Projection (MIP) Automatically for MRML Presets?](https://discourse.slicer.org/t/how-to-enable-maximum-intensity-projection-mip-automatically-for-mrml-presets/40679)
**Author:** [@LounesAl](https://discourse.slicer.org/u/LounesAl)\ **Replies:** 6\ **Last updated:** [December 17, 2024, 10:43am UTC](https://discourse.slicer.org/t/how-to-enable-maximum-intensity-projection-mip-automatically-for-mrml-presets/40679 "2024-12-17T10:43:48Z")
Hello, I have created custom volume rendering presets in an MRML file. Below is an example structure: \ \ **Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 8\ **Last updated:** [December 16, 2024, 9:45pm UTC](https://discourse.slicer.org/t/new-frame-set-table-in-the-dicom-database/35012 "2024-12-16T21:45:38Z") I’ve come across a serious limitation in our current database structure: the frame set (see also here) level is completely missing. We treat series as displayable set of frames, which is wrong for image modalities such a… --- ## [Linux builds failed today](https://discourse.slicer.org/t/linux-builds-failed-today/40697)
**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\ **Replies:** 3\ **Last updated:** [December 16, 2024, 8:15pm UTC](https://discourse.slicer.org/t/linux-builds-failed-today/40697 "2024-12-16T20:15:05Z")
It seems the linux preview builds failed last night. It worked yesterday. When someone has time could they have a look? (@Sam\_Horvath @jcfr ). --- ## [Cannot decrease the width of my module](https://discourse.slicer.org/t/cannot-decrease-the-width-of-my-module/40649)
**Author:** [@koeglfryderyk](https://discourse.slicer.org/u/koeglfryderyk)\ **Replies:** 5\ **Last updated:** [December 16, 2024, 12:48pm UTC](https://discourse.slicer.org/t/cannot-decrease-the-width-of-my-module/40649 "2024-12-16T12:48:40Z")
I created a default extension with a module (it contains an input selector) After I reload it, when I select a volume, I can only reduce the width of the module so that the full name of the volume is still visible. Is … --- ## [Baffle Planner: Limitation in Creating Multiple Baffles Simultaneously](https://discourse.slicer.org/t/baffle-planner-limitation-in-creating-multiple-baffles-simultaneously/40666)
**Author:** [@JohnWick](https://discourse.slicer.org/u/JohnWick)\ **Replies:** 4\ **Last updated:** [December 15, 2024, 7:15pm UTC](https://discourse.slicer.org/t/baffle-planner-limitation-in-creating-multiple-baffles-simultaneously/40666 "2024-12-15T19:15:28Z")
Hi everyone, I’m experiencing an issue while trying to create two baffles on the same model. Unfortunately, whenever I add a second baffle, it seems to overwrite or delete the first one, as shown in the attached image. … --- ## [Loadable module with external binary dependencies](https://discourse.slicer.org/t/loadable-module-with-external-binary-dependencies/40667)
**Author:** [@PatrickR](https://discourse.slicer.org/u/PatrickR)\ **Replies:** 2\ **Last updated:** [December 13, 2024, 12:16pm UTC](https://discourse.slicer.org/t/loadable-module-with-external-binary-dependencies/40667 "2024-12-13T12:16:17Z")
Hi, I am new to slicer and I am trying to learn extension development for my Company’s internal use. I am currently building an extension with a loadable module. This module depends on a few proprietary libraries distr… --- ## [Can I use multiprocessing in a Python module](https://discourse.slicer.org/t/can-i-use-multiprocessing-in-a-python-module/1537)
**Author:** [@langderyos](https://discourse.slicer.org/u/langderyos)\ **Replies:** 16\ **Last updated:** [December 13, 2024, 3:16am UTC](https://discourse.slicer.org/t/can-i-use-multiprocessing-in-a-python-module/1537 "2024-12-13T03:16:30Z")
Hello， I am trying to use python multiprocessing in Slicer to deal with a large amount of calculations. I tried ThreadPool but it brings little effect.Then I tried Pool and Process,but they just can’t work. Could you te… --- ## [Troubleshooting PyCharm Debug Egg File Path Configuration in 3DSlicer](https://discourse.slicer.org/t/troubleshooting-pycharm-debug-egg-file-path-configuration-in-3dslicer/40458)
**Author:** [@shahrokh](https://discourse.slicer.org/u/shahrokh)\ **Replies:** 3\ **Last updated:** [December 12, 2024, 9:24pm UTC](https://discourse.slicer.org/t/troubleshooting-pycharm-debug-egg-file-path-configuration-in-3dslicer/40458 "2024-12-12T21:24:58Z")
Hello Dear Developers and Users, OS: Ubuntu 22.04.3 LTS Slicer: 5.0.2 r30822 PyCharm: 2021.3 (Professional Edition) First, I must mention that unfortunately, I am unable to set the PyCharm debug egg file path in the … --- ## [Segmentation of trabeculal and corticalis from HRpQCT images](https://discourse.slicer.org/t/segmentation-of-trabeculal-and-corticalis-from-hrpqct-images/40640)
**Author:** [@nikkos](https://discourse.slicer.org/u/nikkos)\ **Replies:** 2\ **Last updated:** [December 12, 2024, 2:18am UTC](https://discourse.slicer.org/t/segmentation-of-trabeculal-and-corticalis-from-hrpqct-images/40640 "2024-12-12T02:18:02Z")
Hello dear Slicer Community, I wonder if there is an extension that allows me to automatically segment the corticalis of the femur and the trabeculae ? Best regards Niklas --- ## [Possible regression in events triggered by plane and ROI markups](https://discourse.slicer.org/t/possible-regression-in-events-triggered-by-plane-and-roi-markups/40474)
**Author:** [@rfenioux](https://discourse.slicer.org/u/rfenioux)\ **Replies:** 5\ **Last updated:** [December 11, 2024, 2:31pm UTC](https://discourse.slicer.org/t/possible-regression-in-events-triggered-by-plane-and-roi-markups/40474 "2024-12-11T14:31:14Z")
Hi all, I am encountering an inconsistent behavior regarding the handling of events for plane and ROI markups in the latest preview version of Slicer, comparing to the stable release (slicer 5.6.2) It seems that in the… --- ## [Problem debugging SlicerVirtualReality extension](https://discourse.slicer.org/t/problem-debugging-slicervirtualreality-extension/40585)
**Author:** [@petr.raunigr](https://discourse.slicer.org/u/petr.raunigr)\ **Replies:** 3\ **Last updated:** [December 10, 2024, 10:25am UTC](https://discourse.slicer.org/t/problem-debugging-slicervirtualreality-extension/40585 "2024-12-10T10:25:48Z")
Hello, I need help with debugging process of the SlicerVirtualReality extension. First things first… what I managed to do: Cloned 3D Slicer repo and built it (debug). Tried running 3D Slicer which was ok. Tried to deb… --- ## [Pedicle Screw Simulation Modification](https://discourse.slicer.org/t/pedicle-screw-simulation-modification/9485)
**Author:** [@manjula](https://discourse.slicer.org/u/manjula)\ **Replies:** 15\ **Last updated:** [December 9, 2024, 2:46pm UTC](https://discourse.slicer.org/t/pedicle-screw-simulation-modification/9485 "2024-12-09T14:46:53Z")
I came across the Pedicle Screw simulator when i was trying to figure out the segment interaction with mouse pointer. Developers of this module have done something great both clinicians and researchers both will benefit… --- ## [Does 3D slicer give support for miltuple user roles](https://discourse.slicer.org/t/does-3d-slicer-give-support-for-miltuple-user-roles/40571)
**Author:** [@Muhammad\_Hilal](https://discourse.slicer.org/u/Muhammad_Hilal)\ **Replies:** 1\ **Last updated:** [December 9, 2024, 3:44am UTC](https://discourse.slicer.org/t/does-3d-slicer-give-support-for-miltuple-user-roles/40571 "2024-12-09T03:44:22Z")
Does 3D slicer give support for miltuple user roles example, annotator, reviewer and Admin --- ## [how to use left mouse click & drag to browse slice](https://discourse.slicer.org/t/how-to-use-left-mouse-click-drag-to-browse-slice/18945)
**Author:** [@wycstar](https://discourse.slicer.org/u/wycstar)\ **Replies:** 6\ **Last updated:** [December 8, 2024, 10:16am UTC](https://discourse.slicer.org/t/how-to-use-left-mouse-click-drag-to-browse-slice/18945 "2024-12-08T10:16:28Z")
NOT use shift, only use left mouse click && drag to browse the slice in each sliceWidge(Red ,green etc) separately --- ## [Displaying Segments of a Specific Segmentation in the qMRMLSegmentsTableView](https://discourse.slicer.org/t/displaying-segments-of-a-specific-segmentation-in-the-qmrmlsegmentstableview/40486)
**Author:** [@shahrokh](https://discourse.slicer.org/u/shahrokh)\ **Replies:** 6\ **Last updated:** [December 7, 2024, 8:05am UTC](https://discourse.slicer.org/t/displaying-segments-of-a-specific-segmentation-in-the-qmrmlsegmentstableview/40486 "2024-12-07T08:05:50Z")
Hello Dear Developers and Users, I used the answers given to a question titled Input segments in new module to help me write the following lines of code. import os import unittest from \_\_main\_\_ import vtk, qt, ctk, sli… --- ## [What is the best way to store data for a model, loaded from DICOM-RT ion plan file?](https://discourse.slicer.org/t/what-is-the-best-way-to-store-data-for-a-model-loaded-from-dicom-rt-ion-plan-file/40545)
**Author:** [@Mik](https://discourse.slicer.org/u/Mik)\ **Replies:** 0\ **Last updated:** [December 6, 2024, 12:27pm UTC](https://discourse.slicer.org/t/what-is-the-best-way-to-store-data-for-a-model-loaded-from-dicom-rt-ion-plan-file/40545 "2024-12-06T12:27:06Z")
Currently i’m working on loading and visualization of ion range compensator, which data is loaded from DICOM-RT ion plan file. The compensator volume data taken from the dicom file are very similar to image parameters: … --- ## [Implementing Widgets for Selecting Nodes of Type Segment and Beam](https://discourse.slicer.org/t/implementing-widgets-for-selecting-nodes-of-type-segment-and-beam/40359)
**Author:** [@shahrokh](https://discourse.slicer.org/u/shahrokh)\ **Replies:** 2\ **Last updated:** [December 1, 2024, 6:51am UTC](https://discourse.slicer.org/t/implementing-widgets-for-selecting-nodes-of-type-segment-and-beam/40359 "2024-12-01T06:51:49Z")
Hello Dear Developers and Users, My question is probably very basic, so I would appreciate your guidance Or guide me on which tutorial I should refer to in order to implement functions for widgets that select nodes of d… --- ## [AWS EC2 (GPU) Instance setup](https://discourse.slicer.org/t/aws-ec2-gpu-instance-setup/40453)
**Author:** [@Muhammad\_Hilal](https://discourse.slicer.org/u/Muhammad_Hilal)\ **Replies:** 1\ **Last updated:** [November 30, 2024, 2:02pm UTC](https://discourse.slicer.org/t/aws-ec2-gpu-instance-setup/40453 "2024-11-30T14:02:53Z")
I have setup the slicer in AWS EC2 (GPU) Instance G5.8xlarge. I need guidelines, what should I do after completing the setup if I need UI? final result ./Slicer Slicer: cannot connect to X server :0 ubuntu@ip-172-31… --- ## [Understanding UI Editing and Python File Generation in 3DSlicer with Qt Designer](https://discourse.slicer.org/t/understanding-ui-editing-and-python-file-generation-in-3dslicer-with-qt-designer/40369)
**Author:** [@shahrokh](https://discourse.slicer.org/u/shahrokh)\ **Replies:** 5\ **Last updated:** [November 30, 2024, 7:44am UTC](https://discourse.slicer.org/t/understanding-ui-editing-and-python-file-generation-in-3dslicer-with-qt-designer/40369 "2024-11-30T07:44:06Z")
Hello Dear Developers and Users, In the implementation of the module, I am using the Extension Wizard module. This module utilizes a fixed template, the result of which ultimately creates a .ui file and its correspondin… --- ## [Help with Blood Vessel Segmentation Module for My Engineering Thesis](https://discourse.slicer.org/t/help-with-blood-vessel-segmentation-module-for-my-engineering-thesis/40388)
**Author:** [@igi133](https://discourse.slicer.org/u/igi133)\ **Replies:** 10\ **Last updated:** [November 29, 2024, 3:13pm UTC](https://discourse.slicer.org/t/help-with-blood-vessel-segmentation-module-for-my-engineering-thesis/40388 "2024-11-29T15:13:57Z")
Hello everyone, I am currently working on my engineering thesis and I am developing a module for 3D Slicer that aims to detect and segment blood vessels from CT scan images. This module will be part of my research proje… --- ## [Frameless Window Design with Secondary Monitor Flickering and Performance Degradation](https://discourse.slicer.org/t/frameless-window-design-with-secondary-monitor-flickering-and-performance-degradation/40436)
**Author:** [@park](https://discourse.slicer.org/u/park)\ **Replies:** 0\ **Last updated:** [November 29, 2024, 9:03am UTC](https://discourse.slicer.org/t/frameless-window-design-with-secondary-monitor-flickering-and-performance-degradation/40436 "2024-11-29T09:03:28Z")
Hi all! I am currently working on implementing a frameless window design for my application and rebuilding the functionalities provided by the native frame. The primary reasons for this approach are: To ensure consist… --- ## [Slicer install/update script](https://discourse.slicer.org/t/slicer-install-update-script/40393)
**Author:** [@d-vogel](https://discourse.slicer.org/u/d-vogel)\ **Replies:** 0\ **Last updated:** [November 27, 2024, 6:32am UTC](https://discourse.slicer.org/t/slicer-install-update-script/40393 "2024-11-27T06:32:22Z")
Dear all, I am happy to share the small shell script I built for myself to install and update slicer (either stable or nightly) : slicer-update It is a simple command line tool that downloads the binary archive, checks… --- ## [Introduction of "tiers" for Slicer extensions](https://discourse.slicer.org/t/introduction-of-tiers-for-slicer-extensions/34870)
**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\ **Replies:** 14\ **Last updated:** [November 25, 2024, 9:57pm UTC](https://discourse.slicer.org/t/introduction-of-tiers-for-slicer-extensions/34870 "2024-11-25T21:57:43Z")
The definition of tiers was revisited during July 16th weekly meeting\[1\] and this post was updated accordingly. During our last Slicer developer hangout of March 13th 2024, we discussed the issue that review and approva… --- ## [Coordinate error when outputting VTK model](https://discourse.slicer.org/t/coordinate-error-when-outputting-vtk-model/40154)
**Author:** [@yoonjh119](https://discourse.slicer.org/u/yoonjh119)\ **Replies:** 2\ **Last updated:** [November 24, 2024, 11:40am UTC](https://discourse.slicer.org/t/coordinate-error-when-outputting-vtk-model/40154 "2024-11-24T11:40:50Z")
I am writing a code to read a nifiti file with python code, convert it to vtk format, and save it again. When I display the output result in a slicer, the location is different. Below is the output result (original in re… --- ## [Issue with DebuggingTools Module on 3D Slicer (v5.6.2 r32448) on Ubuntu 22.04](https://discourse.slicer.org/t/issue-with-debuggingtools-module-on-3d-slicer-v5-6-2-r32448-on-ubuntu-22-04/40339)
**Author:** [@shahrokh](https://discourse.slicer.org/u/shahrokh)\ **Replies:** 1\ **Last updated:** [November 23, 2024, 11:44am UTC](https://discourse.slicer.org/t/issue-with-debuggingtools-module-on-3d-slicer-v5-6-2-r32448-on-ubuntu-22-04/40339 "2024-11-23T11:44:10Z")
Hello Dear Developers and Users, Excuse me for asking a question that might be obvious to many: I have installed the DebuggingTools module on 3DSlicer version 5.6.2 r32448 on Ubuntu 22.04 . I also installed PyCharm 20… --- ## [When running slicer.cli.run, an error occurs.](https://discourse.slicer.org/t/when-running-slicer-cli-run-an-error-occurs/40317)
**Author:** [@fallen\_leaves](https://discourse.slicer.org/u/fallen_leaves)\ **Replies:** 0\ **Last updated:** [November 21, 2024, 10:17pm UTC](https://discourse.slicer.org/t/when-running-slicer-cli-run-an-error-occurs/40317 "2024-11-21T22:17:18Z")
When running slicer.cli.run, an error occurs. As shown below: The code is shown in the figure Could you please tell me how to solve this? --- ## [Hanging popup some times after loading DICOM files](https://discourse.slicer.org/t/hanging-popup-some-times-after-loading-dicom-files/6057)
**Author:** [@torquil](https://discourse.slicer.org/u/torquil)\ **Replies:** 8\ **Last updated:** [November 21, 2024, 6:07pm UTC](https://discourse.slicer.org/t/hanging-popup-some-times-after-loading-dicom-files/6057 "2024-11-21T18:07:39Z")
Sometimes after loading som DICOM files, the popup window showing the text “Processing…” doesn’t disappear unless I close it manually. I don’t know why it happens, and it doesn’t happen every time. Usually it just disppe… --- ## [Script cli module output volume fails](https://discourse.slicer.org/t/script-cli-module-output-volume-fails/40213)
**Author:** [@fqzhice](https://discourse.slicer.org/u/fqzhice)\ **Replies:** 4\ **Last updated:** [November 21, 2024, 3:39am UTC](https://discourse.slicer.org/t/script-cli-module-output-volume-fails/40213 "2024-11-21T03:39:38Z")
i called i scriptd cli module and outputvolume is vtkMRMLVectorVolumeNode Here is code in ctacli.py file and fusion\_image is np array ImageType = itk.Image\[itk.F, 3\] itk\_image = itk.PyBuffer\[ImageType\].GetImageFromArra… [Previous page](https://discourse.slicer.org/c/dev/5.md?no_subcategories=false&page=10) [Next page](https://discourse.slicer.org/c/dev/5.md?no_subcategories=false&page=12)