# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=253

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

**Page:** 254

---

## [Saving landmark registration volume transformed](https://discourse.slicer.org/t/saving-landmark-registration-volume-transformed/20355)

<div class="topic-metadata">

**Author:** [@lolamartinalonso](https://discourse.slicer.org/u/lolamartinalonso)\
**Replies:** 3\
**Last updated:** [October 26, 2021, 4:05pm UTC](https://discourse.slicer.org/t/saving-landmark-registration-volume-transformed/20355 "2021-10-26T16:05:32Z")

</div>

Operating system:64 bit Slicer version: 4.11.20210226 Expected behavior: Open the transformed volume after landmark registration and see changes Actual behavior: I am applying some landmark registration to my volume.…

---

## [Display a ClosedCurveNode with changing parameters after a button press event](https://discourse.slicer.org/t/display-a-closedcurvenode-with-changing-parameters-after-a-button-press-event/20289)

<div class="topic-metadata">

**Author:** [@helenawill95](https://discourse.slicer.org/u/helenawill95)\
**Replies:** 2\
**Last updated:** [October 26, 2021, 1:04pm UTC](https://discourse.slicer.org/t/display-a-closedcurvenode-with-changing-parameters-after-a-button-press-event/20289 "2021-10-26T13:04:05Z")

</div>

I am creating a module where i would like to display a closed curve after an event. The closed curve will change after each event (button / addition of fiducial point) dependent on the new coordinates defined. How can I…

---

## [NDI Vega tracking stream - Can't locate StylustoReference transform in Slicer](https://discourse.slicer.org/t/ndi-vega-tracking-stream-cant-locate-stylustoreference-transform-in-slicer/20352)

<div class="topic-metadata">

**Author:** [@askaderd](https://discourse.slicer.org/u/askaderd)\
**Replies:** 0\
**Last updated:** [October 26, 2021, 2:10am UTC](https://discourse.slicer.org/t/ndi-vega-tracking-stream-cant-locate-stylustoreference-transform-in-slicer/20352 "2021-10-26T02:10:00Z")

</div>

Hi there, I ran the XML file shown below in PLUS server. Following the Hardware Connections slide deck on the SlicerIGT website, I was trying to locate the StylustoReference transform within the scene configuration (sli…

---

## [How to get the transform edited in 3D views interactively in Python Interacter](https://discourse.slicer.org/t/how-to-get-the-transform-edited-in-3d-views-interactively-in-python-interacter/20322)

<div class="topic-metadata">

**Author:** [@Springle](https://discourse.slicer.org/u/Springle)\
**Replies:** 6\
**Last updated:** [October 26, 2021, 12:31am UTC](https://discourse.slicer.org/t/how-to-get-the-transform-edited-in-3d-views-interactively-in-python-interacter/20322 "2021-10-26T00:31:50Z")

</div>

Operating system: win10 64 20H2 Slicer version: 4.11.20200930 Expected behavior: get the transform edited in 3D views interactively in Python Interacter Actual behavior: I am trying to automate my segmentation proces…

---

## [DataStore module: "The requested URL was not found on the server." error](https://discourse.slicer.org/t/datastore-module-the-requested-url-was-not-found-on-the-server-error/20338)

<div class="topic-metadata">

**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 5\
**Last updated:** [October 25, 2021, 11:13pm UTC](https://discourse.slicer.org/t/datastore-module-the-requested-url-was-not-found-on-the-server-error/20338 "2021-10-25T23:13:07Z")

</div>

In version 4.11.20210226 I am getting an error in the DataStore in both Download Datasets and Upload Datasets. # Not Found The requested URL was not found on the server. If you entered the URL manually please check …

---

## [Volume rendering - save as stl?](https://discourse.slicer.org/t/volume-rendering-save-as-stl/20325)

<div class="topic-metadata">

**Author:** [@Krzysztof\_Grandys](https://discourse.slicer.org/u/Krzysztof_Grandys)\
**Replies:** 1\
**Last updated:** [October 25, 2021, 9:36am UTC](https://discourse.slicer.org/t/volume-rendering-save-as-stl/20325 "2021-10-25T09:36:53Z")

</div>

Is it possible to save the image obtained in the “Volume rendering” module as stl? Regards Krzysztof

---

## [Unable to install LesionSpotlight Extension](https://discourse.slicer.org/t/unable-to-install-lesionspotlight-extension/20018)

<div class="topic-metadata">

**Author:** [@Johannes](https://discourse.slicer.org/u/Johannes)\
**Replies:** 3\
**Last updated:** [October 25, 2021, 7:21am UTC](https://discourse.slicer.org/t/unable-to-install-lesionspotlight-extension/20018 "2021-10-25T07:21:46Z")

</div>

Hello everyone, I want to install the LesionSpotlight slicer extension. But I can’t find this by searching in the Extension Manager. Link to extension: Documentation/Nightly/Extensions/LesionSpotlight - Slicer Wiki I …

---

## [Error trying to import a 4D volume as a sequence](https://discourse.slicer.org/t/error-trying-to-import-a-4d-volume-as-a-sequence/20317)

<div class="topic-metadata">

**Author:** [@kliron](https://discourse.slicer.org/u/kliron)\
**Replies:** 1\
**Last updated:** [October 25, 2021, 7:13am UTC](https://discourse.slicer.org/t/error-trying-to-import-a-4d-volume-as-a-sequence/20317 "2021-10-25T07:13:03Z")

</div>

I have a list of 3D MRI images (70-step time series of 41 slices each) that I combine into a 4D sequence with the JoinSeriesImageFilter by: img4d = sitk.JoinSeries(series) Everything seems to work, series\[0\].GetSize() …

---

## [Creating a ROI within a ROI based on HU](https://discourse.slicer.org/t/creating-a-roi-within-a-roi-based-on-hu/20193)

<div class="topic-metadata">

**Author:** [@Fabio\_Nunes](https://discourse.slicer.org/u/Fabio_Nunes)\
**Replies:** 2\
**Last updated:** [October 24, 2021, 10:36pm UTC](https://discourse.slicer.org/t/creating-a-roi-within-a-roi-based-on-hu/20193 "2021-10-24T22:36:29Z")

</div>

Dear members, I’ve been working on delimiting the pericardial surface of the Heart and I’ve finally been able to do that semi-automatically using a EATSeg tool available on GitHub. This tool creates a ROI encompassing t…

---

## [Interaction Handle for one Fiducial connected to a Model](https://discourse.slicer.org/t/interaction-handle-for-one-fiducial-connected-to-a-model/14483)

<div class="topic-metadata">

**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 12\
**Last updated:** [October 24, 2021, 5:17pm UTC](https://discourse.slicer.org/t/interaction-handle-for-one-fiducial-connected-to-a-model/14483 "2021-10-24T17:17:56Z")

</div>

I connected the PointModifiedEvent of a fiducial list to a function to update a transform that is applied to a model so that the model’s origin is the position of the first fiducial point on the list. In other words, I m…

---

## [A warning in Python](https://discourse.slicer.org/t/a-warning-in-python/19752)

<div class="topic-metadata">

**Author:** [@4DUS](https://discourse.slicer.org/u/4DUS)\
**Replies:** 2\
**Last updated:** [October 24, 2021, 11:59am UTC](https://discourse.slicer.org/t/a-warning-in-python/19752 "2021-10-24T11:59:29Z")

</div>

Hi, While opening a \*.3dus files in a 3D Slicer, I receive the following warning in the Python Interactor tab: \\AppData\\Local\\NA-MIC\\Slicer 4.11.20210226\\lib\\Python\\Lib\\site-packages\\numpy\\ctypeslib.py:521: RuntimeWarn…

---

## [3D reconstruction based on ONE side slice!?](https://discourse.slicer.org/t/3d-reconstruction-based-on-one-side-slice/20313)

<div class="topic-metadata">

**Author:** [@Rick44](https://discourse.slicer.org/u/Rick44)\
**Replies:** 4\
**Last updated:** [October 24, 2021, 2:01am UTC](https://discourse.slicer.org/t/3d-reconstruction-based-on-one-side-slice/20313 "2021-10-24T02:01:00Z")

</div>

Hi! I’m really a total noob for this, I just watched some tutorials online without finding my answer, so I don’t know if it’s even possible with this software. I would like to create a 3d reconstruction model based on …

---

## [Ambiguous control point in right-click context menu](https://discourse.slicer.org/t/ambiguous-control-point-in-right-click-context-menu/20274)

<div class="topic-metadata">

**Author:** [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Replies:** 5\
**Last updated:** [October 23, 2021, 9:12pm UTC](https://discourse.slicer.org/t/ambiguous-control-point-in-right-click-context-menu/20274 "2021-10-23T21:12:46Z")

</div>

When hovering the mouse over a Markups Line, Angle, Curve or Closed Curve node where you are highlighting and not hovering over a control point, then right-clicking to bring up the context menu has confusing options to m…

---

## [Increment through slices in sliceviews programatically](https://discourse.slicer.org/t/increment-through-slices-in-sliceviews-programatically/20309)

<div class="topic-metadata">

**Author:** [@Sharada](https://discourse.slicer.org/u/Sharada)\
**Replies:** 2\
**Last updated:** [October 23, 2021, 4:45pm UTC](https://discourse.slicer.org/t/increment-through-slices-in-sliceviews-programatically/20309 "2021-10-23T16:45:24Z")

</div>

Hello, I am trying to display N consecutive slices of a volume in separate slice views, with each of them showing progressively increasing slices. Something like below, without the green and yellow slices. Is there …

---

## [how to have vessels with real wall thickness after using the hollow?](https://discourse.slicer.org/t/how-to-have-vessels-with-real-wall-thickness-after-using-the-hollow/20305)

<div class="topic-metadata">

**Author:** [@Sevda\_Zarei](https://discourse.slicer.org/u/Sevda_Zarei)\
**Replies:** 3\
**Last updated:** [October 23, 2021, 3:22pm UTC](https://discourse.slicer.org/t/how-to-have-vessels-with-real-wall-thickness-after-using-the-hollow/20305 "2021-10-23T15:22:14Z")

</div>

Hello I hope this massage find you well. I used hollow to my model but it changes vessel’s wall thickness to a constant thickness like 0.4 mm thickness in whole model. we know that vessel wall thickness changes during…

---

## [How can I configure Slicer to open automatically with my preferred settings for the View Controllers module?](https://discourse.slicer.org/t/how-can-i-configure-slicer-to-open-automatically-with-my-preferred-settings-for-the-view-controllers-module/20233)

<div class="topic-metadata">

**Author:** [@DIV](https://discourse.slicer.org/u/DIV)\
**Replies:** 10\
**Last updated:** [October 22, 2021, 7:06pm UTC](https://discourse.slicer.org/t/how-can-i-configure-slicer-to-open-automatically-with-my-preferred-settings-for-the-view-controllers-module/20233 "2021-10-22T19:06:27Z")

</div>

There are certain repeated actions that I do repeatedly that are becoming repetitious… For instance, adding yellow rulers to each of the three slice viewers requires many mouse clicks. (This is true no matter whether i…

---

## [Model Maker does not generate surfaces for all labels - some skipped](https://discourse.slicer.org/t/model-maker-does-not-generate-surfaces-for-all-labels-some-skipped/20278)

<div class="topic-metadata">

**Author:** [@asims](https://discourse.slicer.org/u/asims)\
**Replies:** 5\
**Last updated:** [October 22, 2021, 6:51pm UTC](https://discourse.slicer.org/t/model-maker-does-not-generate-surfaces-for-all-labels-some-skipped/20278 "2021-10-22T18:51:18Z")

</div>

Hi I have a segmented CT volume that I am happy with. The segmentation contains 12 labels. I converted the segmentation to a label map - with 12 labels. Then in model maker attempted to generate surface models for each…

---

## [Difference between unselected control point and skipped control point](https://discourse.slicer.org/t/difference-between-unselected-control-point-and-skipped-control-point/20272)

<div class="topic-metadata">

**Author:** [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Replies:** 4\
**Last updated:** [October 22, 2021, 6:04pm UTC](https://discourse.slicer.org/t/difference-between-unselected-control-point-and-skipped-control-point/20272 "2021-10-22T18:04:39Z")

</div>

What’s the difference in usage between setting a markups control point as being “Unselected” versus having a position status that is “Skip placement”? The markups control point table appears to indicate the Selected/Uns…

---

## [My first SlicerCustomAppTemplate](https://discourse.slicer.org/t/my-first-slicercustomapptemplate/20230)

<div class="topic-metadata">

**Author:** [@fghazouani](https://discourse.slicer.org/u/fghazouani)\
**Replies:** 3\
**Last updated:** [October 22, 2021, 5:52pm UTC](https://discourse.slicer.org/t/my-first-slicercustomapptemplate/20230 "2021-10-22T17:52:00Z")

</div>

Hello, I am following the tutorial of https://blog.kitware.com/slicercat-creating-custom-applications-based-on-3d-slicer/ and I have created a directory contains the CMakeLists for my custom slicer build by using the Cu…

---

## [Reflect markups (landmarks)](https://discourse.slicer.org/t/reflect-markups-landmarks/20301)

<div class="topic-metadata">

**Author:** [@Ale](https://discourse.slicer.org/u/Ale)\
**Replies:** 2\
**Last updated:** [October 22, 2021, 3:20pm UTC](https://discourse.slicer.org/t/reflect-markups-landmarks/20301 "2021-10-22T15:20:44Z")

</div>

Dear list, I’m placing markups (landmarks) to carry out a geometric morphometric analysis in some mammals skulls. I have some cases where one of the zygomatic archs is missing (screen capture below). Is there a way to re…

---

## [Visualization of the background and foreground image together](https://discourse.slicer.org/t/visualization-of-the-background-and-foreground-image-together/4981)

<div class="topic-metadata">

**Author:** [@alireza](https://discourse.slicer.org/u/alireza)\
**Replies:** 10\
**Last updated:** [October 22, 2021, 2:03pm UTC](https://discourse.slicer.org/t/visualization-of-the-background-and-foreground-image-together/4981 "2021-10-22T14:03:51Z")

</div>

Hi Is there a way to view background and foreground images both at full opacity in one view? Thanks

---

## [Virtual reality not working](https://discourse.slicer.org/t/virtual-reality-not-working/20291)

<div class="topic-metadata">

**Author:** [@sarvpriya1985](https://discourse.slicer.org/u/sarvpriya1985)\
**Replies:** 2\
**Last updated:** [October 22, 2021, 1:55pm UTC](https://discourse.slicer.org/t/virtual-reality-not-working/20291 "2021-10-22T13:55:15Z")

</div>

Operating system: Windows 10 Slicer version: 4.13 Hi all, I recently updated my system and got a PC. However, after installing slicer and all the extensions, I found that VR icon is not working and shows a red cross. …

---

## [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)

<div class="topic-metadata">

**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")

</div>

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…

---

## [Change Dimensions of LabelMapVolume](https://discourse.slicer.org/t/change-dimensions-of-labelmapvolume/20292)

<div class="topic-metadata">

**Author:** [@alyssan](https://discourse.slicer.org/u/alyssan)\
**Replies:** 1\
**Last updated:** [October 22, 2021, 1:09am UTC](https://discourse.slicer.org/t/change-dimensions-of-labelmapvolume/20292 "2021-10-22T01:09:36Z")

</div>

I have to change the dimensions of my labelmapvolume. What module do I use and how do I do this? Thank you

---

## [Multiple control points in the "Edit" position state](https://discourse.slicer.org/t/multiple-control-points-in-the-edit-position-state/20276)

<div class="topic-metadata">

**Author:** [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)\
**Replies:** 2\
**Last updated:** [October 21, 2021, 4:27pm UTC](https://discourse.slicer.org/t/multiple-control-points-in-the-edit-position-state/20276 "2021-10-21T16:27:47Z")

</div>

Should the number of control points equal the summation of number of defined and number of undefined control points? Here I had a control point in the “Edit” state which I copied and pasted into the same list to create …

---

## [Merge T1-weighted image with tracts](https://discourse.slicer.org/t/merge-t1-weighted-image-with-tracts/3628)

<div class="topic-metadata">

**Author:** [@Vinny](https://discourse.slicer.org/u/Vinny)\
**Replies:** 9\
**Last updated:** [October 21, 2021, 2:52pm UTC](https://discourse.slicer.org/t/merge-t1-weighted-image-with-tracts/3628 "2021-10-21T14:52:56Z")

</div>

Hi, Slicer version: 4.8.1 I have a T1 anatomical image and tracts both in .nii/.nii.gz formats; the tracts are coregistered and resampled into T1 space. I’d like to merge these two images together to create a single T…

---

## [How to visualize scipy.interpolate.rbf object in Slicer 3D view](https://discourse.slicer.org/t/how-to-visualize-scipy-interpolate-rbf-object-in-slicer-3d-view/19632)

<div class="topic-metadata">

**Author:** [@dalbenzioG](https://discourse.slicer.org/u/dalbenzioG)\
**Replies:** 4\
**Last updated:** [October 21, 2021, 3:57am UTC](https://discourse.slicer.org/t/how-to-visualize-scipy-interpolate-rbf-object-in-slicer-3d-view/19632 "2021-10-21T03:57:37Z")

</div>

Hello, I am working on spline interpolation with scipy.interpolate.Rbf. Is there any possibility to visualize the results from scipy.interpolate.rbf directly in Slicer 3D view? My approach so far: convert NumPy array i…

---

## [Adjust WL (window level) using right mouse button](https://discourse.slicer.org/t/adjust-wl-window-level-using-right-mouse-button/19854)

<div class="topic-metadata">

**Author:** [@szymswiat](https://discourse.slicer.org/u/szymswiat)\
**Replies:** 8\
**Last updated:** [October 21, 2021, 2:53am UTC](https://discourse.slicer.org/t/adjust-wl-window-level-using-right-mouse-button/19854 "2021-10-21T02:53:20Z")

</div>

Operating system: n/a Slicer version: 4.13 Expected behavior: n/a Actual behavior: n/a Is there a way to bind window/level scaling to right mouse button and make it permanent (at least within active module)? For now …

---

## [Tiff images loaded brighter](https://discourse.slicer.org/t/tiff-images-loaded-brighter/20248)

<div class="topic-metadata">

**Author:** [@Leo\_Pacheco](https://discourse.slicer.org/u/Leo_Pacheco)\
**Replies:** 3\
**Last updated:** [October 20, 2021, 6:14pm UTC](https://discourse.slicer.org/t/tiff-images-loaded-brighter/20248 "2021-10-20T18:14:37Z")

</div>

Hello everyone, Something strange just happened. I don’t know why but suddenly 3dSlicer is loading my tiff and dcom images brighter than the original (as I show below). The thing is I used to be able to see this a…

---

## [Normalization of MRI images to 1](https://discourse.slicer.org/t/normalization-of-mri-images-to-1/20232)

<div class="topic-metadata">

**Author:** [@Hadi](https://discourse.slicer.org/u/Hadi)\
**Replies:** 2\
**Last updated:** [October 20, 2021, 6:07pm UTC](https://discourse.slicer.org/t/normalization-of-mri-images-to-1/20232 "2021-10-20T18:07:49Z")

</div>

Hi, I am working on MRI images of BraTs2020 image dataset. I want to normalized them to 1. I use the NormalizedImageFilter, But this does not happen and it is often seen in numbers greater than 1 (rage 2-3). Please gui…

[Previous page](https://discourse.slicer.org/c/support/11.md?page=252)

[Next page](https://discourse.slicer.org/c/support/11.md?page=254)