# Support **URL:** https://discourse.slicer.org/c/support/11.md?page=282 [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) **Page:** 283 --- ## [The Slice view is of different intensity than the actual object](https://discourse.slicer.org/t/the-slice-view-is-of-different-intensity-than-the-actual-object/17467)
**Author:** [@pranaysingh](https://discourse.slicer.org/u/pranaysingh)\ **Replies:** 12\ **Last updated:** [May 8, 2021, 3:50pm UTC](https://discourse.slicer.org/t/the-slice-view-is-of-different-intensity-than-the-actual-object/17467 "2021-05-08T15:50:58Z")
Operating system: Linux Centos Slicer version: 4.11 Expected behavior: I am trying to view the tooth. The 3D slicer loads the slice views with the intensity shown in the first image. As you can see the slice images for… --- ## [fMRI work in 3D Slicer 4.11](https://discourse.slicer.org/t/fmri-work-in-3d-slicer-4-11/17525)
**Author:** [@Andrii\_Bachun](https://discourse.slicer.org/u/Andrii_Bachun)\ **Replies:** 1\ **Last updated:** [May 8, 2021, 3:03pm UTC](https://discourse.slicer.org/t/fmri-work-in-3d-slicer-4-11/17525 "2021-05-08T15:03:05Z")
How can I analyze FMRI in 3d sliser 4.11? FMRI engine was super. maybe someone have older sliser with fmri engine? --- ## [Why when I export a DICOM series from 3D Slicer it loses all original DICOM tags?](https://discourse.slicer.org/t/why-when-i-export-a-dicom-series-from-3d-slicer-it-loses-all-original-dicom-tags/17495)
**Author:** [@Michele\_Bailo](https://discourse.slicer.org/u/Michele_Bailo)\ **Replies:** 1\ **Last updated:** [May 7, 2021, 3:05pm UTC](https://discourse.slicer.org/t/why-when-i-export-a-dicom-series-from-3d-slicer-it-loses-all-original-dicom-tags/17495 "2021-05-07T15:05:30Z")
When I try to export a DICOM series from 3D Slicer dataset it loses all the original DICOM tags (like Study date and Time, UID, series name, series modality, etc…), Why does it work like that? Wouldn’t it be possibile f… --- ## [PETCT（Import image）](https://discourse.slicer.org/t/petct-import-image/17503)
**Author:** [@lcj](https://discourse.slicer.org/u/lcj)\ **Replies:** 1\ **Last updated:** [May 7, 2021, 2:00pm UTC](https://discourse.slicer.org/t/petct-import-image/17503 "2021-05-07T14:00:06Z")
Hi , I use the 4.11 version of 3DSlicer and have read the official documents. I want to know if I can import the CT image first, and then import the PET image for fusion instead of importing the .mrb file when doing PET… --- ## [ Recommended hardware for a very large CT segmentation](https://discourse.slicer.org/t/recommended-hardware-for-a-very-large-ct-segmentation/17482)
**Author:** [@CETUS](https://discourse.slicer.org/u/CETUS)\ **Replies:** 4\ **Last updated:** [May 7, 2021, 1:11pm UTC](https://discourse.slicer.org/t/recommended-hardware-for-a-very-large-ct-segmentation/17482 "2021-05-07T13:11:02Z")
Hi, I am planning to use 3D Slicer for a research project involving segmentation of very large CT scans. A single soft tissue window can be up to 600 MB (composed of more than 1,000 individual images, each about 500 KB) … --- ## [Reduce the acquisition frequency of a recorded sequence](https://discourse.slicer.org/t/reduce-the-acquisition-frequency-of-a-recorded-sequence/17437)
**Author:** [@AurelieS](https://discourse.slicer.org/u/AurelieS)\ **Replies:** 1\ **Last updated:** [May 7, 2021, 11:16am UTC](https://discourse.slicer.org/t/reduce-the-acquisition-frequency-of-a-recorded-sequence/17437 "2021-05-07T11:16:34Z")
Operating system: win10 Slicer version: 4.11.20200930 Dear 3D Slicer team, We did a number of freehand 3D ultrasound using 3D Slicer (and PlusServer with ultrasound video acquisition and streaming of Optitrack data). … --- ## [Visualization of live reconstruction](https://discourse.slicer.org/t/visualization-of-live-reconstruction/17424)
**Author:** [@agp](https://discourse.slicer.org/u/agp)\ **Replies:** 1\ **Last updated:** [May 6, 2021, 8:12am UTC](https://discourse.slicer.org/t/visualization-of-live-reconstruction/17424 "2021-05-06T08:12:37Z")
Operating system: Windows10 Slicer version: 4.11.20210226 Plus version: 2.9.0.20210217 Expected behavior: visualizing the reconstructed volume as the reconstruction goes by Actual behavior: the reconstructed volume i… --- ## [Using Scissors to make a hole in lumen](https://discourse.slicer.org/t/using-scissors-to-make-a-hole-in-lumen/17470)
**Author:** [@Hamid](https://discourse.slicer.org/u/Hamid)\ **Replies:** 1\ **Last updated:** [May 5, 2021, 6:38pm UTC](https://discourse.slicer.org/t/using-scissors-to-make-a-hole-in-lumen/17470 "2021-05-05T18:38:35Z")
I am using Scissors to make a circle hole in one side of my lumen which has a hollow tube shape.The problem is when use scissors the hole is made ib both side of the lumen. Is it possible to limit this option to make a h… --- ## [Certificate issue for sample data download](https://discourse.slicer.org/t/certificate-issue-for-sample-data-download/17454)
**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\ **Replies:** 7\ **Last updated:** [May 5, 2021, 6:37pm UTC](https://discourse.slicer.org/t/certificate-issue-for-sample-data-download/17454 "2021-05-05T18:37:06Z")
We have this on going issue with sample data not being available when we run Slicer on our Linux servers at work: Switch to module: "SampleData" \Requesting download\ \MR-head.nrrd\ from https://github.com/Sli… --- ## [VTK multi-volume ROI not working](https://discourse.slicer.org/t/vtk-multi-volume-roi-not-working/10000)
**Author:** [@fbordignon](https://discourse.slicer.org/u/fbordignon)\ **Replies:** 5\ **Last updated:** [May 5, 2021, 1:19pm UTC](https://discourse.slicer.org/t/vtk-multi-volume-roi-not-working/10000 "2021-05-05T13:19:22Z")
See image below. Also if I go from VTK multi-volume back to GPU ray casting, slicer crashes. Error log\[DEBUG\]\[Qt\] 29.01.2020 13:32:04 (unknown:0) - Session start time …: 2020-01-29 13:32:04 \[DEBUG\]\[Qt\] 29.01.2020 … --- ## [Modify .stl file](https://discourse.slicer.org/t/modify-stl-file/17455)
**Author:** [@Hamid](https://discourse.slicer.org/u/Hamid)\ **Replies:** 1\ **Last updated:** [May 4, 2021, 9:07pm UTC](https://discourse.slicer.org/t/modify-stl-file/17455 "2021-05-04T21:07:38Z")
I am working with Slicer 4.11 and 4.13. I have a stl file and want to do some modification like cut a part and add another part to it. When I open the stl file from File tab as a data, all SegmentEditor tabs are inactive… --- ## [How to change the display language of the category](https://discourse.slicer.org/t/how-to-change-the-display-language-of-the-category/17431)
**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\ **Replies:** 1\ **Last updated:** [May 4, 2021, 5:10pm UTC](https://discourse.slicer.org/t/how-to-change-the-display-language-of-the-category/17431 "2021-05-04T17:10:02Z")
Dear friends, If I want to simply translate these category names into other languages, where do I need to do it. Can you help me make a screenshot or video demonstration, Many friends around me want to learn slicer, … --- ## [How to analyze Siemens DCE data?](https://discourse.slicer.org/t/how-to-analyze-siemens-dce-data/1318)
**Author:** [@uppsalaman](https://discourse.slicer.org/u/uppsalaman)\ **Replies:** 1\ **Last updated:** [October 30, 2017, 7:26pm UTC](https://discourse.slicer.org/t/how-to-analyze-siemens-dce-data/1318 "2017-10-30T19:26:25Z")
Operating system: Mac OS Slicer version: 4.7 Expected behavior: Actual behavior: DCE I can not upload DICM Siemens DCE data to slicer. May I have your ideas how to transfer those data into 4D format? --- ## [Problems when imported RT-Struct dicom folder which was exported by Slicer 3D into Varian Eclipse](https://discourse.slicer.org/t/problems-when-imported-rt-struct-dicom-folder-which-was-exported-by-slicer-3d-into-varian-eclipse/17365)
**Author:** [@Namng1210](https://discourse.slicer.org/u/Namng1210)\ **Replies:** 2\ **Last updated:** [May 4, 2021, 9:27am UTC](https://discourse.slicer.org/t/problems-when-imported-rt-struct-dicom-folder-which-was-exported-by-slicer-3d-into-varian-eclipse/17365 "2021-05-04T09:27:00Z")
Dear authors, I have recently asked you guys about how to export to a segmentation nifti files into RT-Struct by python script and i was able to do it thanks to your instructions. But now, i’m facing new problems. When… --- ## [Problems when imported RT-Struct dicom folder into Varian Eclipse](https://discourse.slicer.org/t/problems-when-imported-rt-struct-dicom-folder-into-varian-eclipse/17436)
**Author:** [@Namng1210](https://discourse.slicer.org/u/Namng1210)\ **Replies:** 0\ **Last updated:** [May 4, 2021, 8:08am UTC](https://discourse.slicer.org/t/problems-when-imported-rt-struct-dicom-folder-into-varian-eclipse/17436 "2021-05-04T08:08:16Z")
Dear authors, I have recently asked you guys about how to export to a segmentation nifti files into RT-Struct by python script and i was able to do it thanks to your instructions. But now, i’m facing new problems. When… --- ## [Extensions from github](https://discourse.slicer.org/t/extensions-from-github/17421)
**Author:** [@KAVIYA\_DHARSHINI](https://discourse.slicer.org/u/KAVIYA_DHARSHINI)\ **Replies:** 4\ **Last updated:** [May 4, 2021, 2:31am UTC](https://discourse.slicer.org/t/extensions-from-github/17421 "2021-05-04T02:31:05Z")
Operating system:Windows 64 bit Slicer version: 4.13 Expected behavior: Matlab bridge extensions visible under developer tools after getting cloned from github. Actual behavior: not able to find the matlab bridge exte… --- ## [Opening the edit in module developement](https://discourse.slicer.org/t/opening-the-edit-in-module-developement/17409)
**Author:** [@S\_Arbabi](https://discourse.slicer.org/u/S_Arbabi)\ **Replies:** 1\ **Last updated:** [May 3, 2021, 12:26pm UTC](https://discourse.slicer.org/t/opening-the-edit-in-module-developement/17409 "2021-05-03T12:26:03Z")
Hi, when I click on Edit (attached screenshot), just a black screen blinks for a moment and disappears and nothing else happens. I was wondering how I can see the logs of those errors so that I can figure our how to re… --- ## [Hollow tool - thickness](https://discourse.slicer.org/t/hollow-tool-thickness/16648)
**Author:** [@Larissa\_C](https://discourse.slicer.org/u/Larissa_C)\ **Replies:** 5\ **Last updated:** [May 3, 2021, 12:24pm UTC](https://discourse.slicer.org/t/hollow-tool-thickness/16648 "2021-05-03T12:24:46Z")
Operating system: Windowns 10 / 64 bit Slicer version: 4.11 I am building bolus for use in radiotherapy. I used three steps: 1º Segmentation of a patient’s outer surface. 2º Cut the area of interest (this area repre… --- ## [Virtual reality](https://discourse.slicer.org/t/virtual-reality/17199)
**Author:** [@Honza\_Hecko](https://discourse.slicer.org/u/Honza_Hecko)\ **Replies:** 7\ **Last updated:** [May 2, 2021, 5:45pm UTC](https://discourse.slicer.org/t/virtual-reality/17199 "2021-05-02T17:45:11Z")
Hello, I would like to ask about the possibility of a problem with Virtual Reality in Slicer. The moment I press “Show scene in Virtual Reality”, everything seems ok. SteamVR starts, announcing that there is a Slicer-re… --- ## [Interactive lobe segmentation with one lobe missing](https://discourse.slicer.org/t/interactive-lobe-segmentation-with-one-lobe-missing/17296)
**Author:** [@Tibor\_Krajc](https://discourse.slicer.org/u/Tibor_Krajc)\ **Replies:** 9\ **Last updated:** [May 2, 2021, 6:32pm UTC](https://discourse.slicer.org/t/interactive-lobe-segmentation-with-one-lobe-missing/17296 "2021-05-02T18:32:58Z")
Hi, I am comparing lung lobe volumes before and after anatomical resection to evaluate the influence of new spatial configuration of the remaining lobes on their volume. This is planned for multiple patients and optimall… --- ## [Draw Tube cannot be used normally](https://discourse.slicer.org/t/draw-tube-cannot-be-used-normally/15611)
**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\ **Replies:** 6\ **Last updated:** [May 2, 2021, 1:25pm UTC](https://discourse.slicer.org/t/draw-tube-cannot-be-used-normally/15611 "2021-05-02T13:25:57Z")
My friends have installed extension plug-ins. When they use the Draw tube function in segment editor, the arrow is always gray and cannot be used. The software is version 4.1120200930.! This is my software picture ,it is… --- ## [Merging/Overlaying CT and MRI DICOM into one file](https://discourse.slicer.org/t/merging-overlaying-ct-and-mri-dicom-into-one-file/4298)
**Author:** [@DrWatson](https://discourse.slicer.org/u/DrWatson)\ **Replies:** 1\ **Last updated:** [May 1, 2021, 10:04pm UTC](https://discourse.slicer.org/t/merging-overlaying-ct-and-mri-dicom-into-one-file/4298 "2021-05-01T22:04:43Z")
Operating system:Mac Slicer version:4.9 Hi, I’m trying to merge an MRI DICOM with a CT for targeted irradiation. Our irradiator uses CT images for targeting, but the position of brain lesions can’t be seen by CT. The… --- ## [Is there any sort of "batch" segment statistics?](https://discourse.slicer.org/t/is-there-any-sort-of-batch-segment-statistics/16416)
**Author:** [@Maxnach](https://discourse.slicer.org/u/Maxnach)\ **Replies:** 12\ **Last updated:** [May 1, 2021, 8:46pm UTC](https://discourse.slicer.org/t/is-there-any-sort-of-batch-segment-statistics/16416 "2021-05-01T20:46:59Z")
Hello everyone, I performed semi-automated segmentation of muscles on many CT-scan of patients. The data base is organized this way : patients \\ slice \\ segmentation. For each patients, there is 2 or 3 slice at differen… --- ## [Segmentation from Landmark Registration images not aligned](https://discourse.slicer.org/t/segmentation-from-landmark-registration-images-not-aligned/17404)
**Author:** [@arif](https://discourse.slicer.org/u/arif)\ **Replies:** 1\ **Last updated:** [May 1, 2021, 6:40pm UTC](https://discourse.slicer.org/t/segmentation-from-landmark-registration-images-not-aligned/17404 "2021-05-01T18:40:00Z")
Hi; I am trying to do segmentation on fusion of 2 image sets(PET-CT and mpMRI). PET-CT is full body and MRI is pelvic. With the help of Landmark Registration module I am able to overlap the two images. I prefer mpMRI is… --- ## [Quantitative study of 3D reconstructed models](https://discourse.slicer.org/t/quantitative-study-of-3d-reconstructed-models/17403)
**Author:** [@loubna](https://discourse.slicer.org/u/loubna)\ **Replies:** 2\ **Last updated:** [May 1, 2021, 6:27pm UTC](https://discourse.slicer.org/t/quantitative-study-of-3d-reconstructed-models/17403 "2021-05-01T18:27:53Z")
Hi; Are there any 3D slicer module or extensions providing a quantitaive study in order to evaluate how much the reconstructed 3D models are faithful to the data provided by the segmentation? Thank’s in advance --- ## [Saved and re-oppened my work - 3d view doesnt work](https://discourse.slicer.org/t/saved-and-re-oppened-my-work-3d-view-doesnt-work/17387)
**Author:** [@safalstha](https://discourse.slicer.org/u/safalstha)\ **Replies:** 2\ **Last updated:** [May 1, 2021, 3:22pm UTC](https://discourse.slicer.org/t/saved-and-re-oppened-my-work-3d-view-doesnt-work/17387 "2021-05-01T15:22:55Z")
Hi, I saved my work recently, and I reopened and I see this. The mask is hidden and I have the bone show which showcases the knee area. I’m trying to segment each bone, i.e femur tibia and patella… however, before I sa… --- ## [Error with DiffusionQC module (GradQC)](https://discourse.slicer.org/t/error-with-diffusionqc-module-gradqc/17330)
**Author:** [@amvoid](https://discourse.slicer.org/u/amvoid)\ **Replies:** 4\ **Last updated:** [May 1, 2021, 2:23pm UTC](https://discourse.slicer.org/t/error-with-diffusionqc-module-gradqc/17330 "2021-05-01T14:23:55Z")
Operating system: win10/Ubuntu 20 Slicer version: 4.11 After I install DiffusionQC extension, there come out an error whenever I star Slicer. I notice that GradQC failed to install, but I don’t know why. Traceback (mo… --- ## [different image dimentions in two cMRI scans of the same swine](https://discourse.slicer.org/t/different-image-dimentions-in-two-cmri-scans-of-the-same-swine/17323)
**Author:** [@Omer\_Bahary](https://discourse.slicer.org/u/Omer_Bahary)\ **Replies:** 3\ **Last updated:** [May 1, 2021, 1:43pm UTC](https://discourse.slicer.org/t/different-image-dimentions-in-two-cmri-scans-of-the-same-swine/17323 "2021-05-01T13:43:59Z")
Hello, ? is there a way to fix this? the 3D models of each segmentation are not in the same scale. In addition, in one of the sets (“uh-dimensions”) “fill between slices” function in the segmentation editor does not … --- ## [How to segment the brain with midsagittal plane to two parts? EMSegmenter modul is missing](https://discourse.slicer.org/t/how-to-segment-the-brain-with-midsagittal-plane-to-two-parts-emsegmenter-modul-is-missing/17394)
**Author:** [@bencenemeth](https://discourse.slicer.org/u/bencenemeth)\ **Replies:** 2\ **Last updated:** [April 30, 2021, 10:59pm UTC](https://discourse.slicer.org/t/how-to-segment-the-brain-with-midsagittal-plane-to-two-parts-emsegmenter-modul-is-missing/17394 "2021-04-30T22:59:38Z")
Operating system: Ubuntu Linux 18.04 Slicer version: 4.11. Expected behavior: EMSegmenter Actual behavior: EMSegmenter missing I want to segment bad quality MR perfusion maps with coregistration the Freesurfer t1 mas… --- ## [Volumetric mesh of vertebrae - difficulty with meshing the interior](https://discourse.slicer.org/t/volumetric-mesh-of-vertebrae-difficulty-with-meshing-the-interior/17376)
**Author:** [@michxu98](https://discourse.slicer.org/u/michxu98)\ **Replies:** 12\ **Last updated:** [April 30, 2021, 7:19pm UTC](https://discourse.slicer.org/t/volumetric-mesh-of-vertebrae-difficulty-with-meshing-the-interior/17376 "2021-04-30T19:19:06Z")
Hello, I am trying to obtain a volumetric mesh of a single vertebrae from a segmentation as seen here: I have separated one vertebrae into its own segmentation by copying the segment from the main segmentation. So … [Previous page](https://discourse.slicer.org/c/support/11.md?page=281) [Next page](https://discourse.slicer.org/c/support/11.md?page=283)