# Feature requests

**URL:** https://discourse.slicer.org/c/support/feature-requests/9.md

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

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## [About the Feature requests category](https://discourse.slicer.org/t/about-the-feature-requests-category/30)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 0\
**Last updated:** [April 8, 2017, 8:36pm UTC](https://discourse.slicer.org/t/about-the-feature-requests-category/30 "2017-04-08T20:36:03Z")

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This category is for submitting ideas about what enhancements or new features should be added to 3D Slicer. Make your voice heard by voting on feature requests - by opening the topic and clicking the Vote button or by cr…

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## [Is it possible to add a global undo button?](https://discourse.slicer.org/t/is-it-possible-to-add-a-global-undo-button/16859)

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**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\
**Replies:** 7\
**Last updated:** [December 10, 2024, 9:15pm UTC](https://discourse.slicer.org/t/is-it-possible-to-add-a-global-undo-button/16859 "2024-12-10T21:15:40Z")

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Sometimes during the process, I accidentally moved the model and wanted to return it. I found it difficult. I had to move it back manually, but it was not very accurate.Of course, there are still many situations. If ther…

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## [Data sorting in scene by type and file name](https://discourse.slicer.org/t/data-sorting-in-scene-by-type-and-file-name/34500)

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**Author:** [@S\_Motch\_Perrine](https://discourse.slicer.org/u/S_Motch_Perrine)\
**Replies:** 0\
**Last updated:** [February 23, 2024, 3:37pm UTC](https://discourse.slicer.org/t/data-sorting-in-scene-by-type-and-file-name/34500 "2024-02-23T15:37:43Z")

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As noted in this support thread: Sorting data by type and name in Scene I had asked about sorting data in a scene by file type and name. This is not currently supported, but I think it would be a really useful feature …

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## [Segment Editor:  clicking eye to toggle visibility should not select segment](https://discourse.slicer.org/t/segment-editor-clicking-eye-to-toggle-visibility-should-not-select-segment/20237)

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**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 6\
**Last updated:** [September 6, 2025, 9:34pm UTC](https://discourse.slicer.org/t/segment-editor-clicking-eye-to-toggle-visibility-should-not-select-segment/20237 "2025-09-06T21:34:08Z")

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In a segmentation it is common to create multiple segments in the Segment Editor module. The current behaviour is that clicking eye displayed adjacent to an individual segment to toggle the visibility of that segment wi…

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## [Support python text highlighting in Text module](https://discourse.slicer.org/t/support-python-text-highlighting-in-text-module/34511)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 19\
**Last updated:** [October 3, 2024, 3:49pm UTC](https://discourse.slicer.org/t/support-python-text-highlighting-in-text-module/34511 "2024-10-03T15:49:09Z")

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As discussed in this thread, it would be nice to have a simple text editor that supports code highlight and indentation that can be routed directly into the python console for interactive python scripts. Would be a valu…

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## [Brachytherapy treatment planning](https://discourse.slicer.org/t/brachytherapy-treatment-planning/28652)

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**Author:** [@ferhue](https://discourse.slicer.org/u/ferhue)\
**Replies:** 0\
**Last updated:** [March 29, 2023, 12:44pm UTC](https://discourse.slicer.org/t/brachytherapy-treatment-planning/28652 "2023-03-29T12:44:48Z")

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For teaching / academic / research purposes, it would be quite nice to have a basic treatment planning system for brachytherapy seeds. Note: I am cross-posting this from Create Brachy treatment planning module · Issue #…

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## [Hanging protocol for displaying PET/CT images](https://discourse.slicer.org/t/hanging-protocol-for-displaying-pet-ct-images/28598)

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**Author:** [@nick.reynders](https://discourse.slicer.org/u/nick.reynders)\
**Replies:** 1\
**Last updated:** [March 27, 2023, 3:09pm UTC](https://discourse.slicer.org/t/hanging-protocol-for-displaying-pet-ct-images/28598 "2023-03-27T15:09:11Z")

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Is is possible to add on a feature that saves a user’s preferred modality-specific viewing settings. I view PET/CT images regularly and it would be great to be able to have my view settings saved so I’m always viewing P…

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## [Adding Offscreen Rendering for High-Resolution Screenshots](https://discourse.slicer.org/t/adding-offscreen-rendering-for-high-resolution-screenshots/29341)

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**Author:** [@Eirikr\_Ng](https://discourse.slicer.org/u/Eirikr_Ng)\
**Replies:** 2\
**Last updated:** [September 3, 2024, 11:03pm UTC](https://discourse.slicer.org/t/adding-offscreen-rendering-for-high-resolution-screenshots/29341 "2024-09-03T23:03:21Z")

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I understand that the scale factor has not been functioning properly for some time, and in order to obtain high-resolution screenshots, it appears that offscreen rendering is currently the only option. Is it possible to …

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## [SlicerRt inverse proton treatment planning](https://discourse.slicer.org/t/slicerrt-inverse-proton-treatment-planning/28663)

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**Author:** [@ferhue](https://discourse.slicer.org/u/ferhue)\
**Replies:** 2\
**Last updated:** [September 21, 2023, 6:59am UTC](https://discourse.slicer.org/t/slicerrt-inverse-proton-treatment-planning/28663 "2023-09-21T06:59:43Z")

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SlicerRt supports forward proton treatment planning. It would be great if it also included inverse optimization - treatment planning. For example using this plugin Nymph which is free for research / academic purposes.

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## [Export DICOM in Colors](https://discourse.slicer.org/t/export-dicom-in-colors/19301)

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**Author:** [@zlwei](https://discourse.slicer.org/u/zlwei)\
**Replies:** 11\
**Last updated:** [February 6, 2024, 4:30pm UTC](https://discourse.slicer.org/t/export-dicom-in-colors/19301 "2024-02-06T16:30:19Z")

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Dear all, I imported a set of DICOM files to Slicer. These DICOMs are for 3D echo doppler so they are colorful. Then, I export them in “Data” → “Export to DICOM” in the right-click menu. The exported files are grayscale…

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## [Draw segment contour with attracted to edges](https://discourse.slicer.org/t/draw-segment-contour-with-attracted-to-edges/333)

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**Author:** [@brhoom](https://discourse.slicer.org/u/brhoom)\
**Replies:** 7\
**Last updated:** [May 26, 2017, 11:38am UTC](https://discourse.slicer.org/t/draw-segment-contour-with-attracted-to-edges/333 "2017-05-26T11:38:17Z")

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One more question :grin:, is it possible to make the drawing attracted to the edge while drawing (something like LeveltracingEffect)?

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## [Generate animations easily based on keyframes in Slicer](https://discourse.slicer.org/t/generate-animations-easily-based-on-keyframes-in-slicer/35778)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 0\
**Last updated:** [April 28, 2024, 4:01am UTC](https://discourse.slicer.org/t/generate-animations-easily-based-on-keyframes-in-slicer/35778 "2024-04-28T04:01:36Z")

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SlicerMorph has a module called Animator that allows creating movies that are not possible to do with default Screen Capture module. eg. It includes things like cropping volumes, interpolating between diffe…

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## [Apple Silicon GPU support via Pytorch Nightly ?](https://discourse.slicer.org/t/apple-silicon-gpu-support-via-pytorch-nightly/33145)

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**Author:** [@Jamjampi](https://discourse.slicer.org/u/Jamjampi)\
**Replies:** 0\
**Last updated:** [November 30, 2023, 1:54pm UTC](https://discourse.slicer.org/t/apple-silicon-gpu-support-via-pytorch-nightly/33145 "2023-11-30T13:54:33Z")

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Operating system: Mac OS Sonoma Slicer version: 5.6 Hey there thank you for this amazing extension, I know that the version of PyTorch that is currently used only supports CUDA compatible GPUs and for that reason every…

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## [Script repository links should show anchor text rather than generic text](https://discourse.slicer.org/t/script-repository-links-should-show-anchor-text-rather-than-generic-text/31723)

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**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 2\
**Last updated:** [September 15, 2023, 3:27pm UTC](https://discourse.slicer.org/t/script-repository-links-should-show-anchor-text-rather-than-generic-text/31723 "2023-09-15T15:27:21Z")

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When attempting to help users with questions on this forum, I often provide links to helpful example code on the script repository page. That page helpfully has html anchors at each heading, so I can provide url links t…

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## [Scalar opacity mapping in volume renderer does not save the midpoint and sharpness of midpoint in scene](https://discourse.slicer.org/t/scalar-opacity-mapping-in-volume-renderer-does-not-save-the-midpoint-and-sharpness-of-midpoint-in-scene/31380)

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**Author:** [@ga1g](https://discourse.slicer.org/u/ga1g)\
**Replies:** 1\
**Last updated:** [August 26, 2023, 9:44pm UTC](https://discourse.slicer.org/t/scalar-opacity-mapping-in-volume-renderer-does-not-save-the-midpoint-and-sharpness-of-midpoint-in-scene/31380 "2023-08-26T21:44:37Z")

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Hi, I use midpoint and sharpness of midpoint in the scalar opacity mapping window in the volume renderer advanced option. It works ok. When I save the scene and reload it - these values are not saved, so the 3D renderi…

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## [Organizational Changes to DICOM Databse](https://discourse.slicer.org/t/organizational-changes-to-dicom-databse/29953)

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**Author:** [@AnishJag](https://discourse.slicer.org/u/AnishJag)\
**Replies:** 3\
**Last updated:** [July 29, 2023, 4:39pm UTC](https://discourse.slicer.org/t/organizational-changes-to-dicom-databse/29953 "2023-07-29T16:39:29Z")

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I’ve been using a custom extension for Slicer3D for bone analysis and realized that I accidentally ran an analysis on incorrect images because when importing the DICOMs from a folder, it appears extremely similar in the …

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## [Relative transform between linked 3D views](https://discourse.slicer.org/t/relative-transform-between-linked-3d-views/30597)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 7\
**Last updated:** [July 14, 2023, 4:49pm UTC](https://discourse.slicer.org/t/relative-transform-between-linked-3d-views/30597 "2023-07-14T16:49:50Z")

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i wish for the following to be possible in dual 3d screen synchronization work through moving in the same direction but not be a duplicate. right now, if I click on sync, the other 3d view will replicate the original v…

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## [Add a type of two points for creating a plane](https://discourse.slicer.org/t/add-a-type-of-two-points-for-creating-a-plane/29726)

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**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\
**Replies:** 1\
**Last updated:** [May 30, 2023, 7:59pm UTC](https://discourse.slicer.org/t/add-a-type-of-two-points-for-creating-a-plane/29726 "2023-05-30T19:59:03Z")

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It is useful to generate a midplane perpendicular to the line connecting two points. Especially for neurosurgeons. Users only need to place two points to get the mirror plane of these two points

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## [Preset for masks in segmentation](https://discourse.slicer.org/t/preset-for-masks-in-segmentation/20414)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 15\
**Last updated:** [November 20, 2021, 6:00pm UTC](https://discourse.slicer.org/t/preset-for-masks-in-segmentation/20414 "2021-11-20T18:00:53Z")

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i would like to suggest putting the option to save presets for MASKS in segmentation . i struggle to fine tune a mask with threshold or other effects im using , but the frustrating part is that i need to go back and fo…

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## [Deletion of patients](https://discourse.slicer.org/t/deletion-of-patients/45183)

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**Author:** [@amberlgilbert](https://discourse.slicer.org/u/amberlgilbert)\
**Replies:** 1\
**Last updated:** [November 21, 2025, 3:57pm UTC](https://discourse.slicer.org/t/deletion-of-patients/45183 "2025-11-21T15:57:18Z")

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I cannot delete any patients? I am writing clicking and delete and it doesn’t get rid of the patient nor does clicking remove all data sets. Please can someone advise?

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## [Automatic Lesion Segmentation on Liver](https://discourse.slicer.org/t/automatic-lesion-segmentation-on-liver/44717)

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**Author:** [@akmal871026](https://discourse.slicer.org/u/akmal871026)\
**Replies:** 3\
**Last updated:** [October 22, 2025, 9:04am UTC](https://discourse.slicer.org/t/automatic-lesion-segmentation-on-liver/44717 "2025-10-22T09:04:09Z")

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Dear Expert, Is there any extension that can segment lesions/tumors on the Liver? CTA image or any CT images.

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## [Resize and move the slice view interactively in the 3D view](https://discourse.slicer.org/t/resize-and-move-the-slice-view-interactively-in-the-3d-view/44270)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 0\
**Last updated:** [August 29, 2025, 6:30pm UTC](https://discourse.slicer.org/t/resize-and-move-the-slice-view-interactively-in-the-3d-view/44270 "2025-08-29T18:30:26Z")

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is it possible to re size the slice being viewed on 3d ? i manipulate the size of the slice view and move the center around to adjust the size of slice . it would be great if that can be done natively

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## [Add keyboard and mouse shortcuts for Module Selector navigation](https://discourse.slicer.org/t/add-keyboard-and-mouse-shortcuts-for-module-selector-navigation/44235)

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**Author:** [@ruffsl](https://discourse.slicer.org/u/ruffsl)\
**Replies:** 0\
**Last updated:** [August 28, 2025, 7:34pm UTC](https://discourse.slicer.org/t/add-keyboard-and-mouse-shortcuts-for-module-selector-navigation/44235 "2025-08-28T19:34:04Z")

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## [High-Quality Lung 3D Reconstruction Dataset and Model Sharing](https://discourse.slicer.org/t/high-quality-lung-3d-reconstruction-dataset-and-model-sharing/42473)

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**Author:** [@lirongyaoper](https://discourse.slicer.org/u/lirongyaoper)\
**Replies:** 5\
**Last updated:** [July 22, 2025, 5:32pm UTC](https://discourse.slicer.org/t/high-quality-lung-3d-reconstruction-dataset-and-model-sharing/42473 "2025-07-22T17:32:48Z")

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Here is the professional translation of your text into English: High-Quality Lung 3D Reconstruction Dataset and Model Sharing 1. Dataset Information I possess high-quality annotated lung 3D reconstruction datasets fo…

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## [Allow engraving text on curved surfaces in Segment Editor](https://discourse.slicer.org/t/allow-engraving-text-on-curved-surfaces-in-segment-editor/28935)

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**Author:** [@kopachini](https://discourse.slicer.org/u/kopachini)\
**Replies:** 3\
**Last updated:** [March 27, 2025, 1:52am UTC](https://discourse.slicer.org/t/allow-engraving-text-on-curved-surfaces-in-segment-editor/28935 "2025-03-27T01:52:58Z")

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It would be nice if the text could follow the contour of the curved models. And also, the engraved/embossed text does not fall under the whole model’s smoothing effect, yet should stay sharp. Otherwise great feature.

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## [Split tolerance in two values in Guided Artery Segmentation Module](https://discourse.slicer.org/t/split-tolerance-in-two-values-in-guided-artery-segmentation-module/41059)

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**Author:** [@SANTIAGO\_PENDON\_MING](https://discourse.slicer.org/u/SANTIAGO_PENDON_MING)\
**Replies:** 1\
**Last updated:** [March 20, 2025, 9:27pm UTC](https://discourse.slicer.org/t/split-tolerance-in-two-values-in-guided-artery-segmentation-module/41059 "2025-03-20T21:27:05Z")

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Hi! I was trying some Slicer’s modules and I found the Guided Artery Segmentation Module, which is truly interesting to segment specific zone with relative precision. To make it more functional, I’m thinking that split …

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## [Show FieldData in Models](https://discourse.slicer.org/t/show-fielddata-in-models/40515)

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**Author:** [@phcerdan](https://discourse.slicer.org/u/phcerdan)\
**Replies:** 0\
**Last updated:** [December 4, 2024, 9:27pm UTC](https://discourse.slicer.org/t/show-fielddata-in-models/40515 "2024-12-04T21:27:21Z")

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The only way to pass metadata along a pipeline in VTK is with FieldData. FieldData is not associated to vertices or edges on the Mesh. Slicer has no way, up to my knowledge to show the FieldData of a vtk file. Paravie…

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## [Human airway model](https://discourse.slicer.org/t/human-airway-model/34195)

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**Author:** [@D\_Dand](https://discourse.slicer.org/u/D_Dand)\
**Replies:** 14\
**Last updated:** [November 26, 2024, 5:54pm UTC](https://discourse.slicer.org/t/human-airway-model/34195 "2024-11-26T17:54:45Z")

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Hello everyone, I am a new member of our community and have a question that I would like to discuss with you. Does anyone try to build the entire human airway (upper and lower airway) from bronchi to nasal/oral cavity …

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## [Create a short video to visualise a transform](https://discourse.slicer.org/t/create-a-short-video-to-visualise-a-transform/39794)

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**Author:** [@Matteboo](https://discourse.slicer.org/u/Matteboo)\
**Replies:** 5\
**Last updated:** [October 22, 2024, 5:16pm UTC](https://discourse.slicer.org/t/create-a-short-video-to-visualise-a-transform/39794 "2024-10-22T17:16:22Z")

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Hello, I have a transform that I apply to an organ segmentation. It would be nice to have a short animation of the segmentation moving from its original position/orientation/shape to the final one to visualize the trans…

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## [PyTorch for TotalSegmentator](https://discourse.slicer.org/t/pytorch-for-totalsegmentator/37961)

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**Author:** [@Shadi\_Tashakori](https://discourse.slicer.org/u/Shadi_Tashakori)\
**Replies:** 0\
**Last updated:** [August 20, 2024, 2:51pm UTC](https://discourse.slicer.org/t/pytorch-for-totalsegmentator/37961 "2024-08-20T14:51:33Z")

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Hi Im trying to use totalSegmentator on my MRI images and I have installed the extension and also PyTorch extension, but I keep getting this error and IDK what is the problem. can anybody help me? raise RuntimeError(“…

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