# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=160

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

**Page:** 161

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## [Adding reference grid in 3D view](https://discourse.slicer.org/t/adding-reference-grid-in-3d-view/29707)

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**Author:** [@q2577040659](https://discourse.slicer.org/u/q2577040659)\
**Replies:** 3\
**Last updated:** [May 30, 2023, 7:32pm UTC](https://discourse.slicer.org/t/adding-reference-grid-in-3d-view/29707 "2023-05-30T19:32:34Z")

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I want to add a grid like the one in the picture to the 3D view. The grid can be scaled as the view is scaled. But the grid cannot be rotated or moved. Please tell me what to do, Thank.

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## [How to load the segmentation with dcm format?](https://discourse.slicer.org/t/how-to-load-the-segmentation-with-dcm-format/29627)

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**Author:** [@Liang\_Ma](https://discourse.slicer.org/u/Liang_Ma)\
**Replies:** 3\
**Last updated:** [May 30, 2023, 7:29pm UTC](https://discourse.slicer.org/t/how-to-load-the-segmentation-with-dcm-format/29627 "2023-05-30T19:29:34Z")

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Operating system: Ubuntu20.04 Slicer version: 5.2.2 I have some dcm data download from TCIA, which typically contains the dicom series and a segmentation file also with dcm format. My problem is, I cannot figure out a …

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## [How to hide cropping region box and label cube](https://discourse.slicer.org/t/how-to-hide-cropping-region-box-and-label-cube/14572)

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**Author:** [@Hamid](https://discourse.slicer.org/u/Hamid)\
**Replies:** 2\
**Last updated:** [November 12, 2020, 8:36pm UTC](https://discourse.slicer.org/t/how-to-hide-cropping-region-box-and-label-cube/14572 "2020-11-12T20:36:25Z")

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How can I turn off the magenta rectangular cubic or any added cropped volume? I need to take clean screenshot.

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## [Loading patient DICOM files containing multiple Volume Sequences](https://discourse.slicer.org/t/loading-patient-dicom-files-containing-multiple-volume-sequences/29711)

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**Author:** [@EvanMcNabb](https://discourse.slicer.org/u/EvanMcNabb)\
**Replies:** 7\
**Last updated:** [May 30, 2023, 10:11am UTC](https://discourse.slicer.org/t/loading-patient-dicom-files-containing-multiple-volume-sequences/29711 "2023-05-30T10:11:03Z")

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Hi I am having an issue loading a patient dicom list (i.e., the entire patient) that contains multiple Volume Sequences. I am ultimately trying to open these data on the python CLI but I can replicate the behaviour in th…

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## [After ImportModelToSegmentationNode some segments are cubical](https://discourse.slicer.org/t/after-importmodeltosegmentationnode-some-segments-are-cubical/29684)

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**Author:** [@xxxiNAIxxx](https://discourse.slicer.org/u/xxxiNAIxxx)\
**Replies:** 2\
**Last updated:** [May 29, 2023, 8:11pm UTC](https://discourse.slicer.org/t/after-importmodeltosegmentationnode-some-segments-are-cubical/29684 "2023-05-29T20:11:59Z")

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Hi. I have a few stl files and want to create one multilabel for monai train. I write python-script and it works (gist:544be2f1ef2ad63a44fd38d43ab54760 · GitHub) In general, it loads all stl in cycle and imports to seg…

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## [Error when DW modelling](https://discourse.slicer.org/t/error-when-dw-modelling/29445)

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**Author:** [@ATAKAN\_Isik](https://discourse.slicer.org/u/ATAKAN_Isik)\
**Replies:** 2\
**Last updated:** [May 29, 2023, 4:45pm UTC](https://discourse.slicer.org/t/error-when-dw-modelling/29445 "2023-05-29T16:45:56Z")

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Operating system:win10 Slicer version:5.2.2 Expected behavior:Volume İmaging Actual behavior:Vtk Error I am trying to use DWmodelling section in SlicerProstate extensions But when i load MRML images and start monoexp…

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## [Monaibundle testing](https://discourse.slicer.org/t/monaibundle-testing/29564)

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**Author:** [@rbumm](https://discourse.slicer.org/u/rbumm)\
**Replies:** 5\
**Last updated:** [May 29, 2023, 4:13pm UTC](https://discourse.slicer.org/t/monaibundle-testing/29564 "2023-05-29T16:13:27Z")

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Hi @diazandr3s Referring to this page: is this supposed to be working? Freshly installed MONAILabel and issued the command PS C:\\Users\\rudol\> monailabel start\_server --app apps/monaibundle --studies datasets/Task06…

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## [Threshold function not working](https://discourse.slicer.org/t/threshold-function-not-working/29701)

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**Author:** [@umair04](https://discourse.slicer.org/u/umair04)\
**Replies:** 3\
**Last updated:** [May 29, 2023, 2:09am UTC](https://discourse.slicer.org/t/threshold-function-not-working/29701 "2023-05-29T02:09:32Z")

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I am trying to threshold different DICOM files to create segmentations, but some of the DICOM files are not working properly. File working properly: File not working properly: I have numerous files that fall int…

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## [Measuring two specific points on the both STL models](https://discourse.slicer.org/t/measuring-two-specific-points-on-the-both-stl-models/29621)

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**Author:** [@wael\_telha](https://discourse.slicer.org/u/wael_telha)\
**Replies:** 0\
**Last updated:** [May 24, 2023, 6:04am UTC](https://discourse.slicer.org/t/measuring-two-specific-points-on-the-both-stl-models/29621 "2023-05-24T06:04:11Z")

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I need a help Regarding measuring two specific points on the both STL models : the aim of the work is to measure the accuracy between virtual planning and actual surgery output. i ahve tried some steps and i need you to …

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## [Analyse multiple tumour segments as individual instances](https://discourse.slicer.org/t/analyse-multiple-tumour-segments-as-individual-instances/29692)

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**Author:** [@nasibov\_98](https://discourse.slicer.org/u/nasibov_98)\
**Replies:** 2\
**Last updated:** [May 28, 2023, 11:15am UTC](https://discourse.slicer.org/t/analyse-multiple-tumour-segments-as-individual-instances/29692 "2023-05-28T11:15:32Z")

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Hi, I have labeled the multiple tumours present in an MRI image as “Tumour”. Tumour pixels all have the label value of 2. Here are the multiple tumour segmentations. I would like the “segment statistics” module …

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## [extraction of profile curve from an EPID image](https://discourse.slicer.org/t/extraction-of-profile-curve-from-an-epid-image/29693)

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**Author:** [@azam](https://discourse.slicer.org/u/azam)\
**Replies:** 1\
**Last updated:** [May 28, 2023, 12:31am UTC](https://discourse.slicer.org/t/extraction-of-profile-curve-from-an-epid-image/29693 "2023-05-28T00:31:17Z")

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Operating system: windows 10 Slicer version: 4.13 Hi everyone I have an EPID image and I want to extract the profile curve in this image. can you guide me about this problem? (A profile curve shows the changes of a p…

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## [Load nii volumes from 3d Slicer to Matlab](https://discourse.slicer.org/t/load-nii-volumes-from-3d-slicer-to-matlab/29685)

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**Author:** [@Anatole](https://discourse.slicer.org/u/Anatole)\
**Replies:** 1\
**Last updated:** [May 27, 2023, 3:58am UTC](https://discourse.slicer.org/t/load-nii-volumes-from-3d-slicer-to-matlab/29685 "2023-05-27T03:58:11Z")

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Operating system: Windows 10 Slicer version: 3D Slicer 5.2.2.2 Expected behavior: Get the same volumes with the same absolute position in world coordinates from 3d Slicer in Matlab Actual behavior: Get a slight positi…

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## [Paintbrush in Segment Editor not leaving a trace of my brush stroke](https://discourse.slicer.org/t/paintbrush-in-segment-editor-not-leaving-a-trace-of-my-brush-stroke/29659)

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**Author:** [@Fullcalf42](https://discourse.slicer.org/u/Fullcalf42)\
**Replies:** 6\
**Last updated:** [May 27, 2023, 3:53am UTC](https://discourse.slicer.org/t/paintbrush-in-segment-editor-not-leaving-a-trace-of-my-brush-stroke/29659 "2023-05-27T03:53:39Z")

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I’ve updated to the latest stable version of Slicer and then on to the most recent preview version seeking a solution. Actually got some trace of feedback from the paint brush in the preview version but inconsistent. I’d…

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## [How does HD BET work?](https://discourse.slicer.org/t/how-does-hd-bet-work/29668)

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**Author:** [@MarcoCerciello](https://discourse.slicer.org/u/MarcoCerciello)\
**Replies:** 2\
**Last updated:** [May 26, 2023, 2:44pm UTC](https://discourse.slicer.org/t/how-does-hd-bet-work/29668 "2023-05-26T14:44:36Z")

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I am writing an essay about a brain segmentation I did and I was wondering if some of you could explain me how does the HD Brain Extraction Tool actually work. By reading on the github page, it seems to me that it works …

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## [Negative mold of an STL](https://discourse.slicer.org/t/negative-mold-of-an-stl/29669)

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**Author:** [@jf00](https://discourse.slicer.org/u/jf00)\
**Replies:** 0\
**Last updated:** [May 26, 2023, 11:45am UTC](https://discourse.slicer.org/t/negative-mold-of-an-stl/29669 "2023-05-26T11:45:18Z")

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Hi. I have an stl file regarding the segmentation of part of the skull. Now, I need to create the negative mold to create a box mold similar to the figure. Anyone knows how to do it? My problem is the irregular shape of …

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## [Align 3d object with cbct.](https://discourse.slicer.org/t/align-3d-object-with-cbct/29667)

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**Author:** [@Paulo\_Godoi](https://discourse.slicer.org/u/Paulo_Godoi)\
**Replies:** 0\
**Last updated:** [May 26, 2023, 11:44am UTC](https://discourse.slicer.org/t/align-3d-object-with-cbct/29667 "2023-05-26T11:44:38Z")

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Hi all. How can I align stl or ply object to cbct? My interest is in planning oral surgeries, such as installing dental implants and making surgical guides. This is my first interaction on the forum, I’m using google t…

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## [RTstruct display in Slice View](https://discourse.slicer.org/t/rtstruct-display-in-slice-view/29664)

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**Author:** [@ma1282029525](https://discourse.slicer.org/u/ma1282029525)\
**Replies:** 1\
**Last updated:** [May 26, 2023, 9:17am UTC](https://discourse.slicer.org/t/rtstruct-display-in-slice-view/29664 "2023-05-26T09:17:17Z")

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I used vtkPlanarContourToClosedSurfaceConversionRule in slicerRT to convert RTstruct to closed surface, but the display effect in my program is different from that in 3Dslicer? I want to know why, in 3DSlicer, the effect…

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## [How to hide the text "Volume Rendering ROI" in VolumeRendering Module?](https://discourse.slicer.org/t/how-to-hide-the-text-volume-rendering-roi-in-volumerendering-module/29660)

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**Author:** [@Shannon\_Chow](https://discourse.slicer.org/u/Shannon_Chow)\
**Replies:** 1\
**Last updated:** [May 26, 2023, 3:55am UTC](https://discourse.slicer.org/t/how-to-hide-the-text-volume-rendering-roi-in-volumerendering-module/29660 "2023-05-26T03:55:13Z")

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How to hide the “Volume Rendering ROI” in each image? In 4.x, there is no this text. But with 5.x, when enable ROI crop in Volume Rendering, the texts appear.

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## [Why these dicom files exported by gdcm cannot be recongnized correctly by 3d slicer?](https://discourse.slicer.org/t/why-these-dicom-files-exported-by-gdcm-cannot-be-recongnized-correctly-by-3d-slicer/29591)

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**Author:** [@Shannon\_Chow](https://discourse.slicer.org/u/Shannon_Chow)\
**Replies:** 7\
**Last updated:** [May 26, 2023, 1:19am UTC](https://discourse.slicer.org/t/why-these-dicom-files-exported-by-gdcm-cannot-be-recongnized-correctly-by-3d-slicer/29591 "2023-05-26T01:19:46Z")

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I exported multiple slices of the same series (and the same study) using GDCM in C++. The data is attached here. But it seems that 3D Slicer cannot recognize these files correctly: Each dcm file was recognized as a vo…

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## [ModuleNotFoundError when importing from slicer.parameterNodeWrapper](https://discourse.slicer.org/t/modulenotfounderror-when-importing-from-slicer-parameternodewrapper/29656)

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**Author:** [@asyeda](https://discourse.slicer.org/u/asyeda)\
**Replies:** 2\
**Last updated:** [May 25, 2023, 9:32pm UTC](https://discourse.slicer.org/t/modulenotfounderror-when-importing-from-slicer-parameternodewrapper/29656 "2023-05-25T21:32:19Z")

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I am developing a scripted module in Slicer 5.2.2 and one key issue is that when I save/load the scene I want to preserve the class attributes in addition to the views and segmentations so I can fully restore the UI to i…

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## [Gradually warping moving image with displacement field ](https://discourse.slicer.org/t/gradually-warping-moving-image-with-displacement-field/29649)

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**Author:** [@derkleinejakob](https://discourse.slicer.org/u/derkleinejakob)\
**Replies:** 1\
**Last updated:** [May 25, 2023, 9:10pm UTC](https://discourse.slicer.org/t/gradually-warping-moving-image-with-displacement-field/29649 "2023-05-25T21:10:29Z")

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Hi! I have two 3D volumes and a displacement field which was obtained by registering one of the volumes to the other. Is there a way in slicer to visualise how the moving image is warped into the target image? The visu…

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## [Large data support in 3D Slicer](https://discourse.slicer.org/t/large-data-support-in-3d-slicer/15560)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [May 25, 2023, 6:42pm UTC](https://discourse.slicer.org/t/large-data-support-in-3d-slicer/15560 "2023-05-25T18:42:39Z")

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While volume sizes of the medical imaging (CT/MR) datasets haven’t changed in much in almost a decade, research imaging methods such as tiled microscopy, synchrotron, and nanoCT is pushing larger and larger datasets, any…

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## [Fix move displacement spectral CT](https://discourse.slicer.org/t/fix-move-displacement-spectral-ct/29646)

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**Author:** [@bserrano](https://discourse.slicer.org/u/bserrano)\
**Replies:** 0\
**Last updated:** [May 25, 2023, 2:23pm UTC](https://discourse.slicer.org/t/fix-move-displacement-spectral-ct/29646 "2023-05-25T14:23:13Z")

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Hi all, I am working with cardiac CT images. Some of them show a displacement from a particular slice in the axial view (see image below). I need to segment the vessels, so I want to perform a “transformation” in the lo…

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## [Freeform scissor cut in 3D segmentation very slow](https://discourse.slicer.org/t/freeform-scissor-cut-in-3d-segmentation-very-slow/29575)

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**Author:** [@ziri](https://discourse.slicer.org/u/ziri)\
**Replies:** 3\
**Last updated:** [May 25, 2023, 1:39pm UTC](https://discourse.slicer.org/t/freeform-scissor-cut-in-3d-segmentation-very-slow/29575 "2023-05-25T13:39:55Z")

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Hi, I was trying to cut my 3D segmentation map with scissor tool, but it performs very slow: for the scissor-cut task below it takes \>10min. I also disabled surface smoothing in segmentation rendering. My platform: i…

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## [Multi PointClouds to one MODEL](https://discourse.slicer.org/t/multi-pointclouds-to-one-model/29643)

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**Author:** [@Muhammed\_Fatih\_Talu](https://discourse.slicer.org/u/Muhammed_Fatih_Talu)\
**Replies:** 0\
**Last updated:** [May 25, 2023, 11:26am UTC](https://discourse.slicer.org/t/multi-pointclouds-to-one-model/29643 "2023-05-25T11:26:29Z")

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I have multiple depth images (taken from a single human head). I’m trying to create a single head model using these. I will then 3d print this model. First, I got the models using the DepthImageToPointCloud module. M…

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## [perfusion imaging CT multivolume and sequence frame](https://discourse.slicer.org/t/perfusion-imaging-ct-multivolume-and-sequence-frame/28362)

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**Author:** [@alaa](https://discourse.slicer.org/u/alaa)\
**Replies:** 0\
**Last updated:** [March 14, 2023, 12:01am UTC](https://discourse.slicer.org/t/perfusion-imaging-ct-multivolume-and-sequence-frame/28362 "2023-03-14T00:01:25Z")

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Hi there, I’ve been using the Slicer software for a few months now. I have several CT perfusion images that I need to analyze for changes in intensity over time, in different areas and across different frames. Initially…

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## [Creating script that compares layers](https://discourse.slicer.org/t/creating-script-that-compares-layers/29636)

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**Author:** [@JonathanCallejas](https://discourse.slicer.org/u/JonathanCallejas)\
**Replies:** 0\
**Last updated:** [May 24, 2023, 8:47pm UTC](https://discourse.slicer.org/t/creating-script-that-compares-layers/29636 "2023-05-24T20:47:23Z")

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Hello everyone, I am new to creating scripts in python for 3D Slicer and I was wondering if anyone knew how to go about creating a script that could compare separate layers of already prepared drawn mask and compare the …

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## [How can I approximate the magic wand tool in Avizo/Amira?](https://discourse.slicer.org/t/how-can-i-approximate-the-magic-wand-tool-in-avizo-amira/29611)

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**Author:** [@Russell\_Engelman](https://discourse.slicer.org/u/Russell_Engelman)\
**Replies:** 5\
**Last updated:** [May 24, 2023, 5:57pm UTC](https://discourse.slicer.org/t/how-can-i-approximate-the-magic-wand-tool-in-avizo-amira/29611 "2023-05-24T17:57:50Z")

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I have a skull that I segmented using thresholding that I would like to segment into two layers, corresponding to the upper and lower jaws. I have previously done this in Amira/Avizo, where I select one of the two volume…

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## [Coordinate Systems and Transformations in 3D Object Manipulation](https://discourse.slicer.org/t/coordinate-systems-and-transformations-in-3d-object-manipulation/29618)

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**Author:** [@Dwij\_Mistry](https://discourse.slicer.org/u/Dwij_Mistry)\
**Replies:** 1\
**Last updated:** [May 24, 2023, 5:50pm UTC](https://discourse.slicer.org/t/coordinate-systems-and-transformations-in-3d-object-manipulation/29618 "2023-05-24T17:50:06Z")

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Is there any direct option to translate or rotate an object using local coordinates? By default, the translation and rotation actions in the 3D view operate in global coordinates. The camera’s target always remains in …

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## [Threshold is not working in attached DICOM data](https://discourse.slicer.org/t/threshold-is-not-working-in-attached-dicom-data/29619)

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**Author:** [@Dwij\_Mistry](https://discourse.slicer.org/u/Dwij_Mistry)\
**Replies:** 1\
**Last updated:** [May 24, 2023, 5:36pm UTC](https://discourse.slicer.org/t/threshold-is-not-working-in-attached-dicom-data/29619 "2023-05-24T17:36:54Z")

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I was working with a patient’s data, and it loaded perfectly. However, when I attempted to perform a threshold operation, I noticed that it only applied to the top right corner. you can download the DICOM data from : ht…

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