# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=279

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

**Page:** 280

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## [General Registration（pre CBCT+postCBCT）](https://discourse.slicer.org/t/general-registration-pre-cbct-postcbct/17412)

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**Author:** [@lili-yu22](https://discourse.slicer.org/u/lili-yu22)\
**Replies:** 2\
**Last updated:** [May 24, 2021, 11:34pm UTC](https://discourse.slicer.org/t/general-registration-pre-cbct-postcbct/17412 "2021-05-24T23:34:45Z")

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hi， i have a problem with BRANS i want to do do the registration between PreCBCT and ProCBCT of a patient’s skull Operating systerm:windows Slicer version:4.11.20210226 Parameter set:General Registration percentage…

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## [How to get GPU texture id or texture buffer?](https://discourse.slicer.org/t/how-to-get-gpu-texture-id-or-texture-buffer/17750)

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**Author:** [@liku](https://discourse.slicer.org/u/liku)\
**Replies:** 0\
**Last updated:** [May 24, 2021, 7:06am UTC](https://discourse.slicer.org/t/how-to-get-gpu-texture-id-or-texture-buffer/17750 "2021-05-24T07:06:41Z")

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Operating system: Windows 10 Slicer version: 4.11 I loaded the sample data and displayed the volume in 3D view by choosing “VTK GPU Ray Casting”. Now I need to get texture id or texture buffer to do other process. Is…

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## [How is the volume calculated in Labelmap statistics](https://discourse.slicer.org/t/how-is-the-volume-calculated-in-labelmap-statistics/17758)

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**Author:** [@Chenglin\_Zhu](https://discourse.slicer.org/u/Chenglin_Zhu)\
**Replies:** 1\
**Last updated:** [May 24, 2021, 1:14pm UTC](https://discourse.slicer.org/t/how-is-the-volume-calculated-in-labelmap-statistics/17758 "2021-05-24T13:14:29Z")

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Hello! I am new to Slicer and I’m trying to calculate the volume of the pituitary gland from MRI slides. Now I can segment the pituitary gland out and use segment statistics to calculate its volume. However, I wondering…

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## [Export DWI data to DICOM](https://discourse.slicer.org/t/export-dwi-data-to-dicom/17753)

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**Author:** [@samuelholly](https://discourse.slicer.org/u/samuelholly)\
**Replies:** 0\
**Last updated:** [May 24, 2021, 9:53am UTC](https://discourse.slicer.org/t/export-dwi-data-to-dicom/17753 "2021-05-24T09:53:01Z")

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Hello, is it possible to export DWI data to DICOM? If not, are there plans to incorporate this feature? Thanks in advance. Best regards Samuel

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## [How to set makupline diameter to absolute?](https://discourse.slicer.org/t/how-to-set-makupline-diameter-to-absolute/17738)

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**Author:** [@apparrilla](https://discourse.slicer.org/u/apparrilla)\
**Replies:** 4\
**Last updated:** [May 23, 2021, 7:59pm UTC](https://discourse.slicer.org/t/how-to-set-makupline-diameter-to-absolute/17738 "2021-05-23T19:59:12Z")

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Hi everyone! I need to change Line Thickness Display Property to an absolute value by script. Something like this: Thanks on advance!

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## [Cropped volume is not accessible](https://discourse.slicer.org/t/cropped-volume-is-not-accessible/17732)

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**Author:** [@KAVIYA\_DHARSHINI](https://discourse.slicer.org/u/KAVIYA_DHARSHINI)\
**Replies:** 1\
**Last updated:** [May 23, 2021, 7:02pm UTC](https://discourse.slicer.org/t/cropped-volume-is-not-accessible/17732 "2021-05-23T19:02:34Z")

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Operating system:windows 10 ,64bit Slicer version:4.1120200930 Expected behavior: able to load and do other operations with cropped volume . Actual behavior: I want to run python script to load an dicom series, get ro…

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## [Procrust allignment in Spharm analysis](https://discourse.slicer.org/t/procrust-allignment-in-spharm-analysis/17745)

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**Author:** [@Trang](https://discourse.slicer.org/u/Trang)\
**Replies:** 0\
**Last updated:** [May 23, 2021, 6:43pm UTC](https://discourse.slicer.org/t/procrust-allignment-in-spharm-analysis/17745 "2021-05-23T18:43:18Z")

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Hello everybody, Can anyone help me with the procrust allignment in slicer. After running Spharm modeling, I don’t know which file in the output folder( paratospharesh) should be used as the registration template? I tri…

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## [New extension: RawImageGuess - for loading of images from unrecognized file format](https://discourse.slicer.org/t/new-extension-rawimageguess-for-loading-of-images-from-unrecognized-file-format/9219)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 21\
**Last updated:** [May 23, 2021, 6:11pm UTC](https://discourse.slicer.org/t/new-extension-rawimageguess-for-loading-of-images-from-unrecognized-file-format/9219 "2021-05-23T18:11:41Z")

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There are proprietary image file formats the 3D Slicer does not recognize and so refuses to load. @nagy.attila in collaboration with Slicer core developers created an extension that can be used to load data from files th…

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## [How to show a series of png images in 2d slices?](https://discourse.slicer.org/t/how-to-show-a-series-of-png-images-in-2d-slices/17742)

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**Author:** [@Chintha\_Siva\_Prasad](https://discourse.slicer.org/u/Chintha_Siva_Prasad)\
**Replies:** 0\
**Last updated:** [May 23, 2021, 3:53pm UTC](https://discourse.slicer.org/t/how-to-show-a-series-of-png-images-in-2d-slices/17742 "2021-05-23T15:53:06Z")

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How to load a series of png images in 2d slices? When I am using slicer.util.loadVolumne with single = False this error is showing up?

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## [How to segment epicardial adipose tissue accurately?](https://discourse.slicer.org/t/how-to-segment-epicardial-adipose-tissue-accurately/17402)

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**Author:** [@caiwei](https://discourse.slicer.org/u/caiwei)\
**Replies:** 2\
**Last updated:** [May 23, 2021, 6:10am UTC](https://discourse.slicer.org/t/how-to-segment-epicardial-adipose-tissue-accurately/17402 "2021-05-23T06:10:01Z")

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Hello everyone, I’m going to use cardiac enhanced CT to measure the volume of epicardial adipose tissue (between the myocardium and the visceral pericardium), and when I use the Threshold tool, the extra-pericardial adi…

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## [Improve markups label visibility](https://discourse.slicer.org/t/improve-markups-label-visibility/17022)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 12\
**Last updated:** [May 22, 2021, 2:37pm UTC](https://discourse.slicer.org/t/improve-markups-label-visibility/17022 "2021-05-22T14:37:13Z")

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Sometimes markups labels are difficult to read over complex background. Should we enable shadow and bold style by default to improve visibility? Examples: Current default (no bold or shadow): Shadow: Bold: Sha…

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## [Need help installing a python module](https://discourse.slicer.org/t/need-help-installing-a-python-module/17351)

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**Author:** [@mk.kassai](https://discourse.slicer.org/u/mk.kassai)\
**Replies:** 1\
**Last updated:** [May 22, 2021, 10:37am UTC](https://discourse.slicer.org/t/need-help-installing-a-python-module/17351 "2021-05-22T10:37:25Z")

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Hi, I would like to install this ICP registration module, but I can’t find it in the extension manager. Could someone show me how to install a python script as a module?

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## [Magnify one part of segmentation](https://discourse.slicer.org/t/magnify-one-part-of-segmentation/17719)

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**Author:** [@Aep93](https://discourse.slicer.org/u/Aep93)\
**Replies:** 2\
**Last updated:** [May 22, 2021, 2:00am UTC](https://discourse.slicer.org/t/magnify-one-part-of-segmentation/17719 "2021-05-22T02:00:18Z")

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Hello, Consider a segmentation that has multiple parts. Is it possible to magnify one or two of these parts by a specific factor (1.1, 1.2, etc.)? If yes, what is the command for it? Any help is greatly appreciated.

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## [Numpy array, what is that?](https://discourse.slicer.org/t/numpy-array-what-is-that/17727)

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**Author:** [@NoobForSlicer](https://discourse.slicer.org/u/NoobForSlicer)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 10:03pm UTC](https://discourse.slicer.org/t/numpy-array-what-is-that/17727 "2021-05-21T22:03:24Z")

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So I was reading a lot about things in scripts depository. I just learned how to change the background color to white and I am interested to learn more about python in general. I read a lot and a word 'numpy array" keep…

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## [Extract a certain volume from a cubic model](https://discourse.slicer.org/t/extract-a-certain-volume-from-a-cubic-model/17419)

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**Author:** [@TallesAlves.22](https://discourse.slicer.org/u/TallesAlves.22)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 7:22pm UTC](https://discourse.slicer.org/t/extract-a-certain-volume-from-a-cubic-model/17419 "2021-05-21T19:22:17Z")

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Hey there, i’m new using the 3D Slicer and i need some help, i’ve already created a 3D model and for some researchs i need to put it inside a cubic structure and extract the 3D model Volume from the cube.

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## [Convert MRI image saved in dicom file to nrrd format](https://discourse.slicer.org/t/convert-mri-image-saved-in-dicom-file-to-nrrd-format/17590)

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**Author:** [@EddardaaBL](https://discourse.slicer.org/u/EddardaaBL)\
**Replies:** 11\
**Last updated:** [May 21, 2021, 7:03pm UTC](https://discourse.slicer.org/t/convert-mri-image-saved-in-dicom-file-to-nrrd-format/17590 "2021-05-21T19:03:30Z")

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Hi everyone I appreciate you help if you could reply to my following requests: 1.I trying to install stable release of 3D slider on Ubuntu 16.04 but i couldn’t and when i checked the tutorial i found that it require Ub…

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## [Elastix non-rigid transform displaying in the wrong area?](https://discourse.slicer.org/t/elastix-non-rigid-transform-displaying-in-the-wrong-area/17426)

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**Author:** [@Teresa\_Gadda](https://discourse.slicer.org/u/Teresa_Gadda)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 6:42pm UTC](https://discourse.slicer.org/t/elastix-non-rigid-transform-displaying-in-the-wrong-area/17426 "2021-05-21T18:42:45Z")

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Hello Slicer team - I have performed a rigid registration using elastix of two spine images and thought I would try doing a non-rigid registration on the same images to see if it improves my result further. I hardened …

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## [How to change the transform of my external tracker using python?](https://discourse.slicer.org/t/how-to-change-the-transform-of-my-external-tracker-using-python/17441)

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**Author:** [@wujie](https://discourse.slicer.org/u/wujie)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 6:39pm UTC](https://discourse.slicer.org/t/how-to-change-the-transform-of-my-external-tracker-using-python/17441 "2021-05-21T18:39:15Z")

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How to change the transform of my external tracker using python?

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## [Voxelization of STL](https://discourse.slicer.org/t/voxelization-of-stl/17477)

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**Author:** [@wangyunning](https://discourse.slicer.org/u/wangyunning)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 6:22pm UTC](https://discourse.slicer.org/t/voxelization-of-stl/17477 "2021-05-21T18:22:13Z")

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Operating system: Windows 10 Slicer version: 4.11.1 Hi all! I am new to 3Dslicer, and I am doing a project of spinal segmentation. Now I have both the STL model and the segmented CT image of vertebra. I am wondering w…

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## [Accurate way of measuring the distance of tooth cusp to CEJ](https://discourse.slicer.org/t/accurate-way-of-measuring-the-distance-of-tooth-cusp-to-cej/17498)

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**Author:** [@lazymark2](https://discourse.slicer.org/u/lazymark2)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 6:19pm UTC](https://discourse.slicer.org/t/accurate-way-of-measuring-the-distance-of-tooth-cusp-to-cej/17498 "2021-05-21T18:19:03Z")

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Hi everyone, recently I need to perform gingivoplasty to a patient with severe gingival hyperplasia. But the first thing I should do before the actual surgery is to mark the CEJ (cement-enamel-joint) on patient’s gingiva…

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## [Paint changes size on its own after segmentation](https://discourse.slicer.org/t/paint-changes-size-on-its-own-after-segmentation/17505)

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**Author:** [@veradam](https://discourse.slicer.org/u/veradam)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 6:04pm UTC](https://discourse.slicer.org/t/paint-changes-size-on-its-own-after-segmentation/17505 "2021-05-21T18:04:15Z")

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Operating system: Windows Slicer version: 4.11.20210226 Expected behavior: Segmentation done by Paint not to change size on its own Actual behavior: I am segmenting 2D slices of a 3D CT scan. I have been using 2D Pain…

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## [DSC MRI Analysis Extension](https://discourse.slicer.org/t/dsc-mri-analysis-extension/17506)

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**Author:** [@fnaegele](https://discourse.slicer.org/u/fnaegele)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 5:56pm UTC](https://discourse.slicer.org/t/dsc-mri-analysis-extension/17506 "2021-05-21T17:56:53Z")

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Operating system: Ubuntu 20.04.2 LTS Slicer version: 4.11.20210226 r29738 / 7a593c8 Dear Slicer Community, I am interested in using the DSC MRI Analysis Extension for 3DSlicer. However, I am not able to locate it with…

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## [Help! I need to label each part of the Circle of Willis](https://discourse.slicer.org/t/help-i-need-to-label-each-part-of-the-circle-of-willis/17514)

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**Author:** [@sannpeterson](https://discourse.slicer.org/u/sannpeterson)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 5:52pm UTC](https://discourse.slicer.org/t/help-i-need-to-label-each-part-of-the-circle-of-willis/17514 "2021-05-21T17:52:53Z")

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Hi, I’m new to 3D Slicer and would love to get some help on how to manually label vessels in the Circle of Willis. So far I’ve been able to create segmentations from MRA images, no problem. Then (following a tutorial) I…

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## [How trigger consecutive fiducial placements?](https://discourse.slicer.org/t/how-trigger-consecutive-fiducial-placements/17724)

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**Author:** [@Chintha\_Siva\_Prasad](https://discourse.slicer.org/u/Chintha_Siva_Prasad)\
**Replies:** 1\
**Last updated:** [May 21, 2021, 4:57pm UTC](https://discourse.slicer.org/t/how-trigger-consecutive-fiducial-placements/17724 "2021-05-21T16:57:33Z")

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How to trigger the fiducial placement just after the placement of other fiducial nodes and so on? I had listened to addNode method like below: But when I call the addNode method in the script it’s getting into an in…

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## [A drawing disappears after Cropping Volume](https://discourse.slicer.org/t/a-drawing-disappears-after-cropping-volume/12924)

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**Author:** [@whirl](https://discourse.slicer.org/u/whirl)\
**Replies:** 7\
**Last updated:** [May 21, 2021, 12:33pm UTC](https://discourse.slicer.org/t/a-drawing-disappears-after-cropping-volume/12924 "2021-05-21T12:33:22Z")

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Hello, I try to segment femoral cartilage. To do so, firstly I crop volume containing the area and then try to segment the cartilage using “Draw”. The problem is that I’m unable to do it - it disappears. A painting opti…

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## [Segmentation from volume rendering](https://discourse.slicer.org/t/segmentation-from-volume-rendering/17714)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [May 21, 2021, 4:41am UTC](https://discourse.slicer.org/t/segmentation-from-volume-rendering/17714 "2021-05-21T04:41:47Z")

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This is sort of a variation on this inquiry My colleagues do a quite a bit of manual segmentations from optical microscopy data. They use a software called Imaris, in which they manually trace small vessels they are int…

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## [Calling module with slicer functions fail in Jupyter notebook](https://discourse.slicer.org/t/calling-module-with-slicer-functions-fail-in-jupyter-notebook/17712)

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**Author:** [@mc\_barbour](https://discourse.slicer.org/u/mc_barbour)\
**Replies:** 3\
**Last updated:** [May 20, 2021, 7:32pm UTC](https://discourse.slicer.org/t/calling-module-with-slicer-functions-fail-in-jupyter-notebook/17712 "2021-05-20T19:32:15Z")

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I’m currently using slicer via jupyter. I’ve written a number of functions to help me batch segment 4dct data and I’m attempting to load those functions into my notebook via a module as I’ve got multiple patients to eval…

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## [How to immediately move to a specific segment without having to search for it by scrolling the volume?](https://discourse.slicer.org/t/how-to-immediately-move-to-a-specific-segment-without-having-to-search-for-it-by-scrolling-the-volume/17704)

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**Author:** [@NoobForSlicer](https://discourse.slicer.org/u/NoobForSlicer)\
**Replies:** 2\
**Last updated:** [May 20, 2021, 7:17pm UTC](https://discourse.slicer.org/t/how-to-immediately-move-to-a-specific-segment-without-having-to-search-for-it-by-scrolling-the-volume/17704 "2021-05-20T19:17:46Z")

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I guess the question is simple… The only thing I could ask more is how to do it for the segmentation and how for the segment? I suppose they are not the same so I guess the answer would differ.

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## [Error importing endoscopy image snapshots](https://discourse.slicer.org/t/error-importing-endoscopy-image-snapshots/17708)

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**Author:** [@caesarsalad](https://discourse.slicer.org/u/caesarsalad)\
**Replies:** 5\
**Last updated:** [May 20, 2021, 5:04pm UTC](https://discourse.slicer.org/t/error-importing-endoscopy-image-snapshots/17708 "2021-05-20T17:04:09Z")

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Hi everyone, I’m very new to 3d Slicer, started using it just two days ago. I have an issue that I don’t know why is going on. When I try loading my set of .dcm files, it gives me the error message: “\[Scalar Volume\]:…

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## [Cannot paint segments on video](https://discourse.slicer.org/t/cannot-paint-segments-on-video/17710)

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**Author:** [@caesarsalad](https://discourse.slicer.org/u/caesarsalad)\
**Replies:** 1\
**Last updated:** [May 20, 2021, 12:13pm UTC](https://discourse.slicer.org/t/cannot-paint-segments-on-video/17710 "2021-05-20T12:13:15Z")

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Hello, I am very new to this software and it seems like I’m having a similar issue. However, the painting doesn’t work either. Whenever I draw/paint then let go, the drawn area just disappears. Should probably let you…

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