# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=201

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

**Page:** 202

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## [Three different RTDOSE in the same RTPLAN](https://discourse.slicer.org/t/three-different-rtdose-in-the-same-rtplan/25576)

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**Author:** [@Evandro\_molinariUSP](https://discourse.slicer.org/u/Evandro_molinariUSP)\
**Replies:** 10\
**Last updated:** [October 7, 2022, 7:30pm UTC](https://discourse.slicer.org/t/three-different-rtdose-in-the-same-rtplan/25576 "2022-10-07T19:30:38Z")

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Hi, mates! I have 3 different RTDOSES wich were generated by 3 different radiotherapy techniques (IMRT, VMAT an 3D). SO, HOW TO IDENTIFY WHICH TECHNIQUE EACH RTDOSE CORRESPONDS? I tried already searching on tags by clic…

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## [How to export segments as \*multimaterial\* model in SegmentMesher extension?](https://discourse.slicer.org/t/how-to-export-segments-as-multimaterial-model-in-segmentmesher-extension/25598)

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**Author:** [@SlicerGroupie](https://discourse.slicer.org/u/SlicerGroupie)\
**Replies:** 1\
**Last updated:** [October 7, 2022, 7:21pm UTC](https://discourse.slicer.org/t/how-to-export-segments-as-multimaterial-model-in-segmentmesher-extension/25598 "2022-10-07T19:21:42Z")

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Hello, We have 4 segments of the cerebrum. When we export them as a model, it works, but it exports as a single material model (where the four segments get fused into one large mesh). But we want to export it as a mult…

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## [Maintenance of download.slicer.org, slicer.kitware.com and slicer-packages.kitware.com planned for October 7th 2022 - 12:00pm to 13:30pm ET](https://discourse.slicer.org/t/maintenance-of-download-slicer-org-slicer-kitware-com-and-slicer-packages-kitware-com-planned-for-october-7th-2022-12-00pm-to-13-30pm-et/25585)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 1\
**Last updated:** [October 7, 2022, 5:22pm UTC](https://discourse.slicer.org/t/maintenance-of-download-slicer-org-slicer-kitware-com-and-slicer-packages-kitware-com-planned-for-october-7th-2022-12-00pm-to-13-30pm-et/25585 "2022-10-07T17:22:31Z")

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The following system will be temporarily unavailable while system updates are deployed on the corresponding virtual machines. Server Description download.slicer.org Site allowing to download preview and stable a…

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## [Scissors on range of slices](https://discourse.slicer.org/t/scissors-on-range-of-slices/360)

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**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 11\
**Last updated:** [October 6, 2022, 7:02pm UTC](https://discourse.slicer.org/t/scissors-on-range-of-slices/360 "2022-10-06T19:02:33Z")

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I usually find the scissors tool to be the greatest thing since sliced bread (no pun intended). Sometimes I want to use it only on a range of slices - The only way I've found to do this effectively is to make a mask and …

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## [Vascular supply of a solid organ](https://discourse.slicer.org/t/vascular-supply-of-a-solid-organ/25179)

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**Author:** [@Celina\_Hallal](https://discourse.slicer.org/u/Celina_Hallal)\
**Replies:** 10\
**Last updated:** [October 6, 2022, 6:49am UTC](https://discourse.slicer.org/t/vascular-supply-of-a-solid-organ/25179 "2022-10-06T06:49:06Z")

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Hello! Is there anyway I can estimate the area supplied by a specific branch? I would like to see a preview of an ischemic area if one branch is ligated or embolized, and estimate the drainage area of some vein… Thanks…

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## [Automatic markup of points on a skull ](https://discourse.slicer.org/t/automatic-markup-of-points-on-a-skull/25573)

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**Author:** [@bremsstrahlung](https://discourse.slicer.org/u/bremsstrahlung)\
**Replies:** 0\
**Last updated:** [October 6, 2022, 2:01pm UTC](https://discourse.slicer.org/t/automatic-markup-of-points-on-a-skull/25573 "2022-10-06T14:01:48Z")

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Hi, I’m working on trying to do an automatic markup of points on a model of a skull. I’ll be creating the model with sample MR Head images using segment editor. I want to write a python script which automates the proces…

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## [Finding the center line of the femoral shaft (creating new coordinate system)](https://discourse.slicer.org/t/finding-the-center-line-of-the-femoral-shaft-creating-new-coordinate-system/25557)

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**Author:** [@jegberink](https://discourse.slicer.org/u/jegberink)\
**Replies:** 3\
**Last updated:** [October 6, 2022, 12:53pm UTC](https://discourse.slicer.org/t/finding-the-center-line-of-the-femoral-shaft-creating-new-coordinate-system/25557 "2022-10-06T12:53:36Z")

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Hello everyone, I was wondering if anyone has had a similar problem and could help me figure this out. In short: I have a preoperative and postoperative CT of a femur. Postoperative the proximal femur above the trochan…

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## [Select the dimension of a ROI in a range of selected slices](https://discourse.slicer.org/t/select-the-dimension-of-a-roi-in-a-range-of-selected-slices/25571)

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**Author:** [@Francesca\_Lo\_Iacono](https://discourse.slicer.org/u/Francesca_Lo_Iacono)\
**Replies:** 1\
**Last updated:** [October 6, 2022, 12:45pm UTC](https://discourse.slicer.org/t/select-the-dimension-of-a-roi-in-a-range-of-selected-slices/25571 "2022-10-06T12:45:11Z")

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Operating system: macOS Monterey 12.5.1 Slicer version: 4.13 Hi! I need to segment a ROI (a round or square of specific dimension), located in the same position, in selected slices. I tried to use scissor but I have t…

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## [How to run monailabel autosegmentation using python interactor](https://discourse.slicer.org/t/how-to-run-monailabel-autosegmentation-using-python-interactor/25539)

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**Author:** [@hourglassnam](https://discourse.slicer.org/u/hourglassnam)\
**Replies:** 3\
**Last updated:** [October 6, 2022, 11:42am UTC](https://discourse.slicer.org/t/how-to-run-monailabel-autosegmentation-using-python-interactor/25539 "2022-10-06T11:42:19Z")

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Dear community, I am trying to run the monailabel autosegmentation for many samples so I would like to learn how to run infer using the python interactor. I found this discussion on github answered by wonderful @lassoa…

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## [SPHARM-PDM SegPostProcess produces errors](https://discourse.slicer.org/t/spharm-pdm-segpostprocess-produces-errors/25566)

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**Author:** [@aohowens](https://discourse.slicer.org/u/aohowens)\
**Replies:** 0\
**Last updated:** [October 5, 2022, 10:42pm UTC](https://discourse.slicer.org/t/spharm-pdm-segpostprocess-produces-errors/25566 "2022-10-05T22:42:12Z")

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I’ve been trying to run SPHARM-PDM on some limb bones - both adult and embryonic. I need the post processing step to fill holes in the adult bone before I can move on to the next step, but for the embryonic bones I’ve be…

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## [Rotating a 2D slice in an MRI](https://discourse.slicer.org/t/rotating-a-2d-slice-in-an-mri/25555)

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**Author:** [@gregpietsch](https://discourse.slicer.org/u/gregpietsch)\
**Replies:** 2\
**Last updated:** [October 5, 2022, 7:16pm UTC](https://discourse.slicer.org/t/rotating-a-2d-slice-in-an-mri/25555 "2022-10-05T19:16:15Z")

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I am new to slicer and have been learning how to look at images and perform segmentation. The canine brain studies I have been working with display the images in a dorsally recumbent position which is the opposite posit…

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## [Brain visibility in CT images](https://discourse.slicer.org/t/brain-visibility-in-ct-images/2293)

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**Author:** [@ReNeu](https://discourse.slicer.org/u/ReNeu)\
**Replies:** 5\
**Last updated:** [October 5, 2022, 2:59pm UTC](https://discourse.slicer.org/t/brain-visibility-in-ct-images/2293 "2022-10-05T14:59:51Z")

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## [Filter scan only in ROI / segment](https://discourse.slicer.org/t/filter-scan-only-in-roi-segment/25547)

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**Author:** [@Niels](https://discourse.slicer.org/u/Niels)\
**Replies:** 2\
**Last updated:** [October 5, 2022, 1:46pm UTC](https://discourse.slicer.org/t/filter-scan-only-in-roi-segment/25547 "2022-10-05T13:46:11Z")

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I would like to filter (smoothen/blur) only a region of my scan. Is that possible?

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## [Segmentation of Mitral valve](https://discourse.slicer.org/t/segmentation-of-mitral-valve/14598)

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**Author:** [@lorenzo\_bennati](https://discourse.slicer.org/u/lorenzo_bennati)\
**Replies:** 22\
**Last updated:** [October 5, 2022, 10:16am UTC](https://discourse.slicer.org/t/segmentation-of-mitral-valve/14598 "2022-10-05T10:16:43Z")

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Hi to everyone. I’m new to 3D Slicer. I have a sequence of Cine-MRI images of 18 evenly rotated long-axis (one every 10°) planes around the axis passing through the annular center of the mitral valve and aligned with t…

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## [Install pytorch GPU version in Slicer](https://discourse.slicer.org/t/install-pytorch-gpu-version-in-slicer/25548)

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**Author:** [@l2022](https://discourse.slicer.org/u/l2022)\
**Replies:** 3\
**Last updated:** [October 5, 2022, 1:46am UTC](https://discourse.slicer.org/t/install-pytorch-gpu-version-in-slicer/25548 "2022-10-05T01:46:47Z")

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Hi, I am trying to install pytorch GPU version in Slicer but I can only install the CPU version. I can successfully install pytorch GPU in a external python but running the same pip commands in the Slicer’s python I onl…

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## [Markup to Model](https://discourse.slicer.org/t/markup-to-model/25545)

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**Author:** [@rtolia](https://discourse.slicer.org/u/rtolia)\
**Replies:** 2\
**Last updated:** [October 4, 2022, 11:54pm UTC](https://discourse.slicer.org/t/markup-to-model/25545 "2022-10-04T23:54:17Z")

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Hi, I am trying to do lead segmentation and part of that process is tracing the lead trajectory with Markups to Model and using Markup Fiducial to create points along the lead, so that they match the trajectory, however,…

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## [Apply oblique reformat to multiple volumes](https://discourse.slicer.org/t/apply-oblique-reformat-to-multiple-volumes/25544)

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**Author:** [@pkenned](https://discourse.slicer.org/u/pkenned)\
**Replies:** 1\
**Last updated:** [October 4, 2022, 11:47pm UTC](https://discourse.slicer.org/t/apply-oblique-reformat-to-multiple-volumes/25544 "2022-10-04T23:47:36Z")

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Operating system: Win 10 Slicer version: 4.11.20210226 Expected behavior: Actual behavior: Hello, I have dozens of CT volumes obtained of an implanted device. I wish to make measurements of local changes over time re…

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## [Transform model / segments](https://discourse.slicer.org/t/transform-model-segments/25519)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 4\
**Last updated:** [October 4, 2022, 4:55pm UTC](https://discourse.slicer.org/t/transform-model-segments/25519 "2022-10-04T16:55:12Z")

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i would love to able to do segments models transform in similar way to the way I can do it in meshmexer software . the wat the do it is ti creat a pivot / centre point where you can drag and rotation your models . t…

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## [Extract Centerline fails when calculating the centerline with "Tree" window](https://discourse.slicer.org/t/extract-centerline-fails-when-calculating-the-centerline-with-tree-window/25546)

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**Author:** [@dalbenzioG](https://discourse.slicer.org/u/dalbenzioG)\
**Replies:** 0\
**Last updated:** [October 4, 2022, 3:56pm UTC](https://discourse.slicer.org/t/extract-centerline-fails-when-calculating-the-centerline-with-tree-window/25546 "2022-10-04T15:56:46Z")

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Hello, I am encountering the following error while computing the Centerline Model (from window tab Tree) from a segmentation node: Warning: In /home/davagh/built/Slicer-build041022/VTK/Filters/Core/vtkDelaunay3D.cxx, l…

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## [Lock rotation in 3D view](https://discourse.slicer.org/t/lock-rotation-in-3d-view/25534)

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**Author:** [@rphellan2210](https://discourse.slicer.org/u/rphellan2210)\
**Replies:** 1\
**Last updated:** [October 4, 2022, 8:59am UTC](https://discourse.slicer.org/t/lock-rotation-in-3d-view/25534 "2022-10-04T08:59:32Z")

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Slicer provides the option to lock tilt in the 3D view. Is there a way to lock rotation around any axis?

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## [SegmentationUnet](https://discourse.slicer.org/t/segmentationunet/25497)

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**Author:** [@Isabella\_Romero](https://discourse.slicer.org/u/Isabella_Romero)\
**Replies:** 2\
**Last updated:** [October 4, 2022, 7:03am UTC](https://discourse.slicer.org/t/segmentationunet/25497 "2022-10-04T07:03:46Z")

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Hi, I am trying to automate the SegmentationUNet module with Python (using the logic and widget commands). I am trying to code the following buttons so that I can choose an input volume and prediction volume with pytho…

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## [Python code for ijk\_to\_lps coordinates?](https://discourse.slicer.org/t/python-code-for-ijk-to-lps-coordinates/25532)

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**Author:** [@dj\_96](https://discourse.slicer.org/u/dj_96)\
**Replies:** 1\
**Last updated:** [October 3, 2022, 4:28pm UTC](https://discourse.slicer.org/t/python-code-for-ijk-to-lps-coordinates/25532 "2022-10-03T16:28:42Z")

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Hi, I have a 3d model in lps that corresponds to a few ct views. I saw that there’s a affine transformation from the image ijk (dicom) to the lps coordinates Coordinate systems - Slicer Wiki I’m trying to map the lps co…

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## [How can I run a python script on slicer?](https://discourse.slicer.org/t/how-can-i-run-a-python-script-on-slicer/25527)

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**Author:** [@MarcoSaguatti](https://discourse.slicer.org/u/MarcoSaguatti)\
**Replies:** 1\
**Last updated:** [October 3, 2022, 3:21pm UTC](https://discourse.slicer.org/t/how-can-i-run-a-python-script-on-slicer/25527 "2022-10-03T15:21:55Z")

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Operating system: Windows 11 pro Slicer version: 5.0.3 Hi, I’m trying to run a simple python scripts that loads a patient on Slicer. If I run the code line by line in the python interactor all goes as espected. Inst…

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## [Issue with extension management module](https://discourse.slicer.org/t/issue-with-extension-management-module/25520)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 1\
**Last updated:** [October 3, 2022, 2:24pm UTC](https://discourse.slicer.org/t/issue-with-extension-management-module/25520 "2022-10-03T14:24:27Z")

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i keep having this screen when im trying to install extension . version 5.1.0 just wanted to report it . thanks

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## [slice.util.loadVolume(path) freezes after reading 5 images](https://discourse.slicer.org/t/slice-util-loadvolume-path-freezes-after-reading-5-images/25528)

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**Author:** [@S\_Arbabi](https://discourse.slicer.org/u/S_Arbabi)\
**Replies:** 0\
**Last updated:** [October 3, 2022, 2:04pm UTC](https://discourse.slicer.org/t/slice-util-loadvolume-path-freezes-after-reading-5-images/25528 "2022-10-03T14:04:59Z")

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I’m using loadVolume to read 6 nii files, extrat their array and save it in a dictionary. It works reading 5 of them but freezes on reading the 6’th one. The 6’th file loads okay if I import it as a file in slicer manu…

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## [How to show the number of selected pixels in one single slice after apply the segmeation operation?](https://discourse.slicer.org/t/how-to-show-the-number-of-selected-pixels-in-one-single-slice-after-apply-the-segmeation-operation/25447)

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**Author:** [@yiliberkeley](https://discourse.slicer.org/u/yiliberkeley)\
**Replies:** 4\
**Last updated:** [October 3, 2022, 1:37pm UTC](https://discourse.slicer.org/t/how-to-show-the-number-of-selected-pixels-in-one-single-slice-after-apply-the-segmeation-operation/25447 "2022-10-03T13:37:11Z")

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Operating system: Windwons 10 Slicer version: 4.11.20210226 Expected behavior: display the selected pixels in one single slice after segmentation operation Actual behavior: No data shows out. Hi All, I am a newbie i…

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## [how to use “”deepinfer module” in 3dslicer](https://discourse.slicer.org/t/how-to-use-deepinfer-module-in-3dslicer/25526)

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**Author:** [@zcg46](https://discourse.slicer.org/u/zcg46)\
**Replies:** 0\
**Last updated:** [October 3, 2022, 12:52pm UTC](https://discourse.slicer.org/t/how-to-use-deepinfer-module-in-3dslicer/25526 "2022-10-03T12:52:37Z")

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how to use “”deepinfer module” in 3dslicer. how to use “”deepinfer module” in 3dslicer

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## [SlicerPathology extension related](https://discourse.slicer.org/t/slicerpathology-extension-related/24650)

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**Author:** [@labixin](https://discourse.slicer.org/u/labixin)\
**Replies:** 2\
**Last updated:** [October 3, 2022, 3:11am UTC](https://discourse.slicer.org/t/slicerpathology-extension-related/24650 "2022-10-03T03:11:52Z")

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Hi all, I would like to use SlicerPathology to segment specific structures on pathological sections. Initially I have searched Extension Manager but found nothing. Then I have downloaded installation package from github…

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## [New segment for every colour](https://discourse.slicer.org/t/new-segment-for-every-colour/7653)

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**Author:** [@the3dslicerdude](https://discourse.slicer.org/u/the3dslicerdude)\
**Replies:** 15\
**Last updated:** [October 2, 2022, 11:28am UTC](https://discourse.slicer.org/t/new-segment-for-every-colour/7653 "2022-10-02T11:28:36Z")

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Hi there I have a 16bit raw image stack of a segmentation ‘so it doesn’t have a crazy amount of colors in the image itself’. Is there a way in slicer to generate a segment for every existing color in the image using the…

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## [How to create new segmentation from growing margins](https://discourse.slicer.org/t/how-to-create-new-segmentation-from-growing-margins/25503)

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**Author:** [@Ana\_Neves](https://discourse.slicer.org/u/Ana_Neves)\
**Replies:** 2\
**Last updated:** [September 30, 2022, 8:35pm UTC](https://discourse.slicer.org/t/how-to-create-new-segmentation-from-growing-margins/25503 "2022-09-30T20:35:29Z")

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Operating system: MacOS Monterey 12.2.1 Sliver version: 5.0.2 Hello. I am currently using 3D slicer for cardiac CT analysis. I’ve been currently struggling with trying to create a new segmentation for periatrial fat. …

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