# Feature requests

**URL:** https://discourse.slicer.org/c/support/feature-requests/9.md?page=8

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

**Page:** 9

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## [Suggestion about overwrite all as default in segment editor](https://discourse.slicer.org/t/suggestion-about-overwrite-all-as-default-in-segment-editor/22680)

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**Author:** [@Hannnonk](https://discourse.slicer.org/u/Hannnonk)\
**Replies:** 1\
**Last updated:** [March 25, 2022, 2:31pm UTC](https://discourse.slicer.org/t/suggestion-about-overwrite-all-as-default-in-segment-editor/22680 "2022-03-25T14:31:56Z")

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Just a thought…why is “overwrite all” the default with logical operators, and threshold, etc? It seems that “allow overlap” would be a better default as you can always go back and subtract? Maybe I am missing some logic…

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## [Slicer Remote access](https://discourse.slicer.org/t/slicer-remote-access/3148)

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**Author:** [@anandmulay3](https://discourse.slicer.org/u/anandmulay3)\
**Replies:** 7\
**Last updated:** [June 14, 2018, 1:12pm UTC](https://discourse.slicer.org/t/slicer-remote-access/3148 "2018-06-14T13:12:16Z")

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Slicer is not running when we try to access it through remote desktop service, but its working if we working on the same machine (PC). does it require any permission ??

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## [Can the modeled files be moved?](https://discourse.slicer.org/t/can-the-modeled-files-be-moved/22286)

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**Author:** [@zhuyingxinxs](https://discourse.slicer.org/u/zhuyingxinxs)\
**Replies:** 2\
**Last updated:** [March 5, 2022, 8:00am UTC](https://discourse.slicer.org/t/can-the-modeled-files-be-moved/22286 "2022-03-05T08:00:10Z")

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Can modeled files be dragged to locations? The modeled skin and bones are in the wrong position and need to be moved

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## [Open two python interactors](https://discourse.slicer.org/t/open-two-python-interactors/21780)

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**Author:** [@bserrano](https://discourse.slicer.org/u/bserrano)\
**Replies:** 0\
**Last updated:** [February 3, 2022, 4:03pm UTC](https://discourse.slicer.org/t/open-two-python-interactors/21780 "2022-02-03T16:03:12Z")

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Hi all, I have a script with four steps in order to segment different coronary regions. I need my script to wait so I can manually do the segmentation. Is there any way I can run the script, let it waiting and then wake…

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## [Segment terminology dialog box: remember user's choice about displaying advanced terminology](https://discourse.slicer.org/t/segment-terminology-dialog-box-remember-users-choice-about-displaying-advanced-terminology/21738)

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**Author:** [@chribaue](https://discourse.slicer.org/u/chribaue)\
**Replies:** 3\
**Last updated:** [February 2, 2022, 1:33pm UTC](https://discourse.slicer.org/t/segment-terminology-dialog-box-remember-users-choice-about-displaying-advanced-terminology/21738 "2022-02-02T13:33:35Z")

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I have a request regarding the dialog box used to edit “color and terminology codes” of segments. In modules “Segmentations” and “Segment Editor” a double click on the color opens the following dialog: with the left …

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## [Plane markup type persistance](https://discourse.slicer.org/t/plane-markup-type-persistance/21722)

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**Author:** [@smrolfe](https://discourse.slicer.org/u/smrolfe)\
**Replies:** 1\
**Last updated:** [February 1, 2022, 2:34am UTC](https://discourse.slicer.org/t/plane-markup-type-persistance/21722 "2022-02-01T02:34:43Z")

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Is it possible to make the plane markup type persistent, or to change the default type? I usually use the 3-point placement method, but am needing to change this for each plane, even when in persistent placement mode.

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## [Anyone know how to calculated the lesion on CT corresponding on SPECT images?](https://discourse.slicer.org/t/anyone-know-how-to-calculated-the-lesion-on-ct-corresponding-on-spect-images/21562)

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**Author:** [@akmal871026](https://discourse.slicer.org/u/akmal871026)\
**Replies:** 1\
**Last updated:** [January 21, 2022, 5:58pm UTC](https://discourse.slicer.org/t/anyone-know-how-to-calculated-the-lesion-on-ct-corresponding-on-spect-images/21562 "2022-01-21T17:58:54Z")

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Hi All, I have SPECT image with lesion 1 and lesion 2. (as attached picture) I also have CT from the PET machine that also have the same lesion 1 and lesion 2. (as attached picture) My problem is how to calculate the l…

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## [Cropped volume to inherit display preferences](https://discourse.slicer.org/t/cropped-volume-to-inherit-display-preferences/20859)

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**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 5\
**Last updated:** [January 18, 2022, 6:22am UTC](https://discourse.slicer.org/t/cropped-volume-to-inherit-display-preferences/20859 "2022-01-18T06:22:58Z")

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In the Crop Volume module a user can create a new volume by cropping an existing volume. Where the existing volume has a display Preset configured for 3D rendering in the Volume Rendering module and/or display settings …

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## [How I can enhance low quality MRI Image?](https://discourse.slicer.org/t/how-i-can-enhance-low-quality-mri-image/5724)

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**Author:** [@Ash\_Alarfaj](https://discourse.slicer.org/u/Ash_Alarfaj)\
**Replies:** 2\
**Last updated:** [December 6, 2021, 6:52pm UTC](https://discourse.slicer.org/t/how-i-can-enhance-low-quality-mri-image/5724 "2021-12-06T18:52:44Z")

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I have MRI images with a low signal to noise ratio. could 3Dslicer enhance the images so the image contrast becomes better? thanks

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## [Module panel resize due to Data Probe is distracting](https://discourse.slicer.org/t/module-panel-resize-due-to-data-probe-is-distracting/20781)

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**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 6\
**Last updated:** [November 30, 2021, 3:50am UTC](https://discourse.slicer.org/t/module-panel-resize-due-to-data-probe-is-distracting/20781 "2021-11-30T03:50:22Z")

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On recent Slicer preview versions, the module panel automatically resizes based on the size of the contents. This is an understandable design decision. As someone who often is switching between modules, I personally wo…

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## [Add ability to safely disengage unintentionally dragged handle](https://discourse.slicer.org/t/add-ability-to-safely-disengage-unintentionally-dragged-handle/20484)

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**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 7\
**Last updated:** [November 24, 2021, 6:43am UTC](https://discourse.slicer.org/t/add-ability-to-safely-disengage-unintentionally-dragged-handle/20484 "2021-11-24T06:43:17Z")

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In the 3D viewport a common operation would be to use the mouse to rotate by left-clicking (or, strictly speaking, left-button-pressing) & dragging. The same sequence is also used for other tasks, though, such as resizi…

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## [Standard way of running modules from the command line](https://discourse.slicer.org/t/standard-way-of-running-modules-from-the-command-line/20552)

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**Author:** [@Connor-Bowley](https://discourse.slicer.org/u/Connor-Bowley)\
**Replies:** 2\
**Last updated:** [November 11, 2021, 1:57pm UTC](https://discourse.slicer.org/t/standard-way-of-running-modules-from-the-command-line/20552 "2021-11-11T13:57:00Z")

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It would be nice to be able to run some modules from the command line, especially in cases of long running/computationally intensive modules that would be convenient to run on a server. My understanding is that there is …

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## [Merging/Joining two open semi-landmark curves](https://discourse.slicer.org/t/merging-joining-two-open-semi-landmark-curves/20524)

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**Author:** [@vaibhav.chhaya](https://discourse.slicer.org/u/vaibhav.chhaya)\
**Replies:** 2\
**Last updated:** [November 9, 2021, 2:30am UTC](https://discourse.slicer.org/t/merging-joining-two-open-semi-landmark-curves/20524 "2021-11-09T02:30:50Z")

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Hi all, Is there a way to merge two different semi landmark curves, such that they share a common landmark?

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## [Segment Editor: unable to restart Grow from Seeds effect from scratch if Volume deleted](https://discourse.slicer.org/t/segment-editor-unable-to-restart-grow-from-seeds-effect-from-scratch-if-volume-deleted/20449)

<div class="topic-metadata">

**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 2\
**Last updated:** [November 4, 2021, 1:56am UTC](https://discourse.slicer.org/t/segment-editor-unable-to-restart-grow-from-seeds-effect-from-scratch-if-volume-deleted/20449 "2021-11-04T01:56:19Z")

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The Grow from Seeds effect in the Segment Editor module has a couple of quirky points. First is one small matter: it only considers seeds for Segments that are toggled visible (in the current Segmentation). Actually t…

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## [Segment Editor : Extra Effects — Watershed effect should not recompute upon change of colour](https://discourse.slicer.org/t/segment-editor-extra-effects-watershed-effect-should-not-recompute-upon-change-of-colour/20447)

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**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 3\
**Last updated:** [November 2, 2021, 8:26pm UTC](https://discourse.slicer.org/t/segment-editor-extra-effects-watershed-effect-should-not-recompute-upon-change-of-colour/20447 "2021-11-02T20:26:33Z")

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The Watershed (extra) effect in the Segment Editor module appeared to recompute upon a change of a segment’s colour (aka “color”), or possibly it was the segment’s Property type. This seemed to happen automatically when…

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## [Segment Editor: reduce the number of mouse clicks to set basic colour for segment](https://discourse.slicer.org/t/segment-editor-reduce-the-number-of-mouse-clicks-to-set-basic-colour-for-segment/20236)

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**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 6\
**Last updated:** [October 22, 2021, 5:01am UTC](https://discourse.slicer.org/t/segment-editor-reduce-the-number-of-mouse-clicks-to-set-basic-colour-for-segment/20236 "2021-10-22T05:01:38Z")

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If I wish to set a Basic Color for a segment I need seven mouse clicks (or six operations): double-click the relevant swatch for Segment color; click Color in the (badly named) Slicer dialogue box; click Basic tab in t…

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## [Volumes module:  allow user to define their own preset Display configuration(s)](https://discourse.slicer.org/t/volumes-module-allow-user-to-define-their-own-preset-display-configuration-s/20235)

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**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 1\
**Last updated:** [October 20, 2021, 2:58am UTC](https://discourse.slicer.org/t/volumes-module-allow-user-to-define-their-own-preset-display-configuration-s/20235 "2021-10-20T02:58:01Z")

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Currently in the Volumes module there are seven preset Display configurations: CT-bone, CT-air, …, DTI. It would be nice to allow users to define their own preset Display configuration(s). I independently figured out …

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## [Option to disable smoothing of the segment surfaces in Segment Editor](https://discourse.slicer.org/t/option-to-disable-smoothing-of-the-segment-surfaces-in-segment-editor/883)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 15\
**Last updated:** [November 12, 2018, 6:05pm UTC](https://discourse.slicer.org/t/option-to-disable-smoothing-of-the-segment-surfaces-in-segment-editor/883 "2018-11-12T18:05:21Z")

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I think it might be helpful to add an option to Segment Editor to disable smoothing of the surface when generating it from the label map representation. When regions are small, smoothing can lead to significant under-est…

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## [Make double-click in Data module jump to associated module](https://discourse.slicer.org/t/make-double-click-in-data-module-jump-to-associated-module/20034)

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**Author:** [@joachim](https://discourse.slicer.org/u/joachim)\
**Replies:** 21\
**Last updated:** [October 7, 2021, 1:06pm UTC](https://discourse.slicer.org/t/make-double-click-in-data-module-jump-to-associated-module/20034 "2021-10-07T13:06:39Z")

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Every node in the Data view window (often?) has a custom module associated, accessible by right clicking the item and selecting Edit properties…. Would it be a good idea to let double clicking an item jump to its associ…

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## [Visual intensity mask with mouse gesture controls](https://discourse.slicer.org/t/visual-intensity-mask-with-mouse-gesture-controls/19983)

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**Author:** [@joachim](https://discourse.slicer.org/u/joachim)\
**Replies:** 5\
**Last updated:** [October 6, 2021, 12:26pm UTC](https://discourse.slicer.org/t/visual-intensity-mask-with-mouse-gesture-controls/19983 "2021-10-06T12:26:12Z")

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The intensity mask can be a useful feature when doing manual segmentation, especially for the Draw and Erase tool: But in practice it is cumbersome: I have to look at values in Data probe and use this as a setting. I …

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## [Web based viewer](https://discourse.slicer.org/t/web-based-viewer/5010)

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**Author:** [@kayarre](https://discourse.slicer.org/u/kayarre)\
**Replies:** 2\
**Last updated:** [December 8, 2018, 1:44pm UTC](https://discourse.slicer.org/t/web-based-viewer/5010 "2018-12-08T13:44:05Z")

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Hi I really think Slicer is great and use it a ton, it continues to get better and better. I work with clinicians (often remotely) and as I am not a clinician I would like to provide them a way to review a segmentation…

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## [Display batches of volumes on a grid/line in 3D view](https://discourse.slicer.org/t/display-batches-of-volumes-on-a-grid-line-in-3d-view/19951)

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**Author:** [@JonasLamy](https://discourse.slicer.org/u/JonasLamy)\
**Replies:** 2\
**Last updated:** [October 1, 2021, 7:44pm UTC](https://discourse.slicer.org/t/display-batches-of-volumes-on-a-grid-line-in-3d-view/19951 "2021-10-01T19:44:58Z")

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Hi, I’ve been using slicer for over 2 years now, it is a great software but the highly modular aspect is a pain to use sometimes. In particular, visualizing batches of results is really time consuming… Usually, to …

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## [Grouped markups display control](https://discourse.slicer.org/t/grouped-markups-display-control/19579)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 7\
**Last updated:** [September 10, 2021, 3:12am UTC](https://discourse.slicer.org/t/grouped-markups-display-control/19579 "2021-09-10T03:12:31Z")

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Often, I need to visualize a group of markups together for comparison and need I way to control their display properties jointly via UI. If we are to take on this, what would be the more straightforward way of implement…

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## [How to interact with module using python interactor? / is there a scripting info box?](https://discourse.slicer.org/t/how-to-interact-with-module-using-python-interactor-is-there-a-scripting-info-box/17990)

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**Author:** [@mgpoirot](https://discourse.slicer.org/u/mgpoirot)\
**Replies:** 1\
**Last updated:** [September 7, 2021, 7:07pm UTC](https://discourse.slicer.org/t/how-to-interact-with-module-using-python-interactor-is-there-a-scripting-info-box/17990 "2021-09-07T19:07:48Z")

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I’ve been able to load a file by drag and dropping it into slicer. The GUI pops up and an extension (SlicerFreeSurfer) recognizes its format and the file can be loaded. How would I replace the same actions using the co…

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## [Segmentation Comparison via alignment and deformation](https://discourse.slicer.org/t/segmentation-comparison-via-alignment-and-deformation/16642)

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**Author:** [@reddington.15](https://discourse.slicer.org/u/reddington.15)\
**Replies:** 7\
**Last updated:** [August 31, 2021, 7:25pm UTC](https://discourse.slicer.org/t/segmentation-comparison-via-alignment-and-deformation/16642 "2021-08-31T19:25:40Z")

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Hi, I have been working on segmenting the pelvis from a pre-CT scan and then a post CT scan with a fracture. I have both of the segmentations in the same window in Slicer and I have been able to transform the pre-CT on …

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## [Read NRRD detached headers that omit blank line](https://discourse.slicer.org/t/read-nrrd-detached-headers-that-omit-blank-line/19393)

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**Author:** [@Chris\_Rorden](https://discourse.slicer.org/u/Chris_Rorden)\
**Replies:** 1\
**Last updated:** [August 31, 2021, 7:07pm UTC](https://discourse.slicer.org/t/read-nrrd-detached-headers-that-omit-blank-line/19393 "2021-08-31T19:07:34Z")

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I have a feature request to allow Slicer to detect NRRD detached headers where the user omits the trailing blank line. Tested on Slicer 4.13.0-2021-08-24 r30133 / 5af0a09 The NRRD format specification clearly states Aft…

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## [Separating Cortical and trabecular region of Talus bone](https://discourse.slicer.org/t/separating-cortical-and-trabecular-region-of-talus-bone/19049)

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**Author:** [@Manav\_Kothari](https://discourse.slicer.org/u/Manav_Kothari)\
**Replies:** 4\
**Last updated:** [August 4, 2021, 3:56pm UTC](https://discourse.slicer.org/t/separating-cortical-and-trabecular-region-of-talus-bone/19049 "2021-08-04T15:56:13Z")

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I am interested in separating cortical and trabecular region of Talus bone and generate individual STL file. There is one add-on in Analyze Direct software named Bone Microarchitecture Analysis (BMA). Is there any simila…

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## [Add number of extension installations to extension manager](https://discourse.slicer.org/t/add-number-of-extension-installations-to-extension-manager/18847)

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**Author:** [@brhoom](https://discourse.slicer.org/u/brhoom)\
**Replies:** 21\
**Last updated:** [July 23, 2021, 11:43am UTC](https://discourse.slicer.org/t/add-number-of-extension-installations-to-extension-manager/18847 "2021-07-23T11:43:17Z")

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In extension manager when a user installs an extension, it would be nice to add a counter that tracks the number of installations e.g. next to the stars vote. It would be nice if the counter also tracks other dependant …

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## [How to build high accuracy SPECT Imaging](https://discourse.slicer.org/t/how-to-build-high-accuracy-spect-imaging/18754)

<div class="topic-metadata">

**Author:** [@akmal871026](https://discourse.slicer.org/u/akmal871026)\
**Replies:** 9\
**Last updated:** [July 17, 2021, 4:17pm UTC](https://discourse.slicer.org/t/how-to-build-high-accuracy-spect-imaging/18754 "2021-07-17T16:17:35Z")

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Hi All, I did the SPECT image segmentation using the PETTumorSegmentation extension. But there is low accuracy. Let say, my dummy sphere volume phantom is 27 ml, using PETTumorSegmenation I got 44ml. Does anyone know…

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## [Horizontal and vertical distances](https://discourse.slicer.org/t/horizontal-and-vertical-distances/18450)

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**Author:** [@smm9886](https://discourse.slicer.org/u/smm9886)\
**Replies:** 3\
**Last updated:** [July 8, 2021, 5:36pm UTC](https://discourse.slicer.org/t/horizontal-and-vertical-distances/18450 "2021-07-08T17:36:10Z")

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Hi all, I could utilize 3D Slicer to extract aortic root and coronary from a thorax-heart DICOM file. Now, I need to set rulers on the 3D view to show the horizontal and vertical distances on my model. However: 1- How …

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