# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=143

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

**Page:** 144

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## [vtkMRMLModelDisplayNode (00000267D9D32A80): SetSliceIntersectionVisibility method is deprecated, please use SetVisibility2D instead](https://discourse.slicer.org/t/vtkmrmlmodeldisplaynode-00000267d9d32a80-setsliceintersectionvisibility-method-is-deprecated-please-use-setvisibility2d-instead/31392)

<div class="topic-metadata">

**Author:** [@Dex2046](https://discourse.slicer.org/u/Dex2046)\
**Replies:** 2\
**Last updated:** [August 29, 2023, 1:54am UTC](https://discourse.slicer.org/t/vtkmrmlmodeldisplaynode-00000267d9d32a80-setsliceintersectionvisibility-method-is-deprecated-please-use-setvisibility2d-instead/31392 "2023-08-29T01:54:29Z")

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Call for help I use must-segmentator to create a VOI segmentation in liver, I got the warning message like this \[VTK\] Warning: In vtkMRMLDisplayNode.cxx, line 996 \[VTK\] vtkMRMLModelDisplayNode (00000267D9D32A80): SetS…

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## [Is there a way to invert a CT scan in volume rendering?](https://discourse.slicer.org/t/is-there-a-way-to-invert-a-ct-scan-in-volume-rendering/31412)

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**Author:** [@Seasapro](https://discourse.slicer.org/u/Seasapro)\
**Replies:** 0\
**Last updated:** [August 29, 2023, 1:25am UTC](https://discourse.slicer.org/t/is-there-a-way-to-invert-a-ct-scan-in-volume-rendering/31412 "2023-08-29T01:25:46Z")

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Hello, I am trying to filter out high density material in volume rendering so the low density material is visible, however when I increase the shift toggle it does the opposite of what I want (making the low density mate…

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## [App Proxy on Mac](https://discourse.slicer.org/t/app-proxy-on-mac/31409)

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**Author:** [@myers022](https://discourse.slicer.org/u/myers022)\
**Replies:** 0\
**Last updated:** [August 28, 2023, 8:39pm UTC](https://discourse.slicer.org/t/app-proxy-on-mac/31409 "2023-08-28T20:39:45Z")

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In simple directions how do I add a proxy to 3D Slicer on the Mac, our internal app proxy is different from our internal system proxy and I don’t know how to add the internal app proxy for 3D Slicer. For the life of me,…

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## [Is it possible to show Markups PropertiesLabel in 2D but not 3D?](https://discourse.slicer.org/t/is-it-possible-to-show-markups-propertieslabel-in-2d-but-not-3d/16955)

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**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 4\
**Last updated:** [August 28, 2023, 8:25pm UTC](https://discourse.slicer.org/t/is-it-possible-to-show-markups-propertieslabel-in-2d-but-not-3d/16955 "2023-08-28T20:25:42Z")

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Hello, I find the new MarkupsCurve “PropertiesLabel” handy in 2D, but find that it clutters up my 3D view (where I have other labels) and there’s more overlap. Is it possible to show these labels in slice views but not …

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## [Slicer 5.4.0 markup shortcuts](https://discourse.slicer.org/t/slicer-5-4-0-markup-shortcuts/31393)

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**Author:** [@Ylim](https://discourse.slicer.org/u/Ylim)\
**Replies:** 3\
**Last updated:** [August 28, 2023, 5:25pm UTC](https://discourse.slicer.org/t/slicer-5-4-0-markup-shortcuts/31393 "2023-08-28T17:25:15Z")

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Hi, there seems to be some shortcut changes within the markerup module between the slicer 5.2.2 and 5.4.0. E.g. in 5.2.2, one can add new control points using shortcut (ctrl + shift+ spacebar) and you cannot do the same …

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## [Loading a FFS CT Volume using "Add Data" vs "Import Dicom files"](https://discourse.slicer.org/t/loading-a-ffs-ct-volume-using-add-data-vs-import-dicom-files/30495)

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**Author:** [@neverpaymoney](https://discourse.slicer.org/u/neverpaymoney)\
**Replies:** 2\
**Last updated:** [July 10, 2023, 5:11pm UTC](https://discourse.slicer.org/t/loading-a-ffs-ct-volume-using-add-data-vs-import-dicom-files/30495 "2023-07-10T17:11:39Z")

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Hello, I am loading a CT dicom volume using: AddData “Add Data” Correct display: ImportDicomFiles "import dicom files Load Data Wrong display? Does anyone know the reason of the difference? Thanks.

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## [Fcsv to csv file format](https://discourse.slicer.org/t/fcsv-to-csv-file-format/31366)

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**Author:** [@Vignesh\_Chakravarthy](https://discourse.slicer.org/u/Vignesh_Chakravarthy)\
**Replies:** 5\
**Last updated:** [August 28, 2023, 3:08pm UTC](https://discourse.slicer.org/t/fcsv-to-csv-file-format/31366 "2023-08-28T15:08:26Z")

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Hi guys, Please let me know how to convert fscv to csv file in 3d slicer. I need the landmarks as csv file. However, I can see that the file formats available are .json, .fcsv. Please help me. Thanks, Vignesh

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## [Installation of extensions from files not working](https://discourse.slicer.org/t/installation-of-extensions-from-files-not-working/31403)

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**Author:** [@ga1g](https://discourse.slicer.org/u/ga1g)\
**Replies:** 0\
**Last updated:** [August 28, 2023, 12:56pm UTC](https://discourse.slicer.org/t/installation-of-extensions-from-files-not-working/31403 "2023-08-28T12:56:55Z")

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Hi, I have a stand-alone computer with no internet connection, which I want to add extensions to. The downloaded extension files are installed but the functionality in Slicer is missing. Also when I click “more…” in th…

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## [RGB volume rendering with cropping](https://discourse.slicer.org/t/rgb-volume-rendering-with-cropping/31401)

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**Author:** [@KSL](https://discourse.slicer.org/u/KSL)\
**Replies:** 0\
**Last updated:** [August 28, 2023, 12:02pm UTC](https://discourse.slicer.org/t/rgb-volume-rendering-with-cropping/31401 "2023-08-28T12:02:47Z")

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Hello everyone! I have been trying to execute “RGB volume rendering with cropping” provided by PerkLab Research in the YouTube link https://youtu.be/xqkYKUj51gQ?si=hWH71cuokmJsgqOD However, I was not successful in any …

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## [How can i convert markups line to segmentation?](https://discourse.slicer.org/t/how-can-i-convert-markups-line-to-segmentation/31388)

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**Author:** [@yeong9316](https://discourse.slicer.org/u/yeong9316)\
**Replies:** 2\
**Last updated:** [August 28, 2023, 9:41am UTC](https://discourse.slicer.org/t/how-can-i-convert-markups-line-to-segmentation/31388 "2023-08-28T09:41:49Z")

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hello. I found this community today and am posting my first question. Currently I am working on how to mark the spine with a specific trajectory for the pedicle screw. This trajectory was displayed in a cylinder shape …

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## [Set Dynamic Modeler Attributes with python](https://discourse.slicer.org/t/set-dynamic-modeler-attributes-with-python/31376)

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**Author:** [@Caetox](https://discourse.slicer.org/u/Caetox)\
**Replies:** 1\
**Last updated:** [August 28, 2023, 9:34am UTC](https://discourse.slicer.org/t/set-dynamic-modeler-attributes-with-python/31376 "2023-08-28T09:34:48Z")

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I am using the Dynamic Modeler Module in my python script. For the ROI Cut Tool, I set the input model, input ROI and output model and so far this works perfectly. But I want the surface to be capped. In the Dynamic Mo…

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## [MONAILabel Segmentation training dice values and accuracy is 0](https://discourse.slicer.org/t/monailabel-segmentation-training-dice-values-and-accuracy-is-0/31365)

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**Author:** [@A\_By](https://discourse.slicer.org/u/A_By)\
**Replies:** 1\
**Last updated:** [August 28, 2023, 9:28am UTC](https://discourse.slicer.org/t/monailabel-segmentation-training-dice-values-and-accuracy-is-0/31365 "2023-08-28T09:28:38Z")

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I am trying to train a model for Lung Tumor segmentation but the dice values and the model accuracy is 0. Any way of solving this problem?

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## [Resection Volume](https://discourse.slicer.org/t/resection-volume/31389)

<div class="topic-metadata">

**Author:** [@linda\_varghese](https://discourse.slicer.org/u/linda_varghese)\
**Replies:** 0\
**Last updated:** [August 27, 2023, 7:04pm UTC](https://discourse.slicer.org/t/resection-volume/31389 "2023-08-27T19:04:38Z")

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Can anyone help me with how the Resection Volume plugin works? I am not able to find any tutorial for the plugin only some screenshots of the output on the documentation. As it mentioned I added 4 point list on the mod…

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## [I get this error while training MonaiLabel Deepedit model](https://discourse.slicer.org/t/i-get-this-error-while-training-monailabel-deepedit-model/31386)

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**Author:** [@A\_By](https://discourse.slicer.org/u/A_By)\
**Replies:** 0\
**Last updated:** [August 27, 2023, 1:14pm UTC](https://discourse.slicer.org/t/i-get-this-error-while-training-monailabel-deepedit-model/31386 "2023-08-27T13:14:27Z")

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The error is this: ValueError(“Expected more than 1 spatial element when training, got input size {}”.format(size)) ValueError: Expected more than 1 spatial element when training, got input size torch.Size(\[1, 320, 1, …

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## [Scalar opacity mapping in volume renderer does not save the midpoint and sharpness of midpoint in scene](https://discourse.slicer.org/t/scalar-opacity-mapping-in-volume-renderer-does-not-save-the-midpoint-and-sharpness-of-midpoint-in-scene/31380)

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**Author:** [@ga1g](https://discourse.slicer.org/u/ga1g)\
**Replies:** 1\
**Last updated:** [August 26, 2023, 9:44pm UTC](https://discourse.slicer.org/t/scalar-opacity-mapping-in-volume-renderer-does-not-save-the-midpoint-and-sharpness-of-midpoint-in-scene/31380 "2023-08-26T21:44:37Z")

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Hi, I use midpoint and sharpness of midpoint in the scalar opacity mapping window in the volume renderer advanced option. It works ok. When I save the scene and reload it - these values are not saved, so the 3D renderi…

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## [STL models - Alignment and Volume measurement](https://discourse.slicer.org/t/stl-models-alignment-and-volume-measurement/8364)

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**Author:** [@manjula](https://discourse.slicer.org/u/manjula)\
**Replies:** 16\
**Last updated:** [August 26, 2023, 9:32pm UTC](https://discourse.slicer.org/t/stl-models-alignment-and-volume-measurement/8364 "2023-08-26T21:32:53Z")

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Hi, Our Input - 2 STL surface scan models (PreOp and Post Op) - from the 3Shape surface scanner. We have two problems. Need to accurately align the pre and post op surface scans ? (they have fixed landmarks) Nee…

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## [Error: vtkTransformPolyDataFilter.cxx:82 - No input data](https://discourse.slicer.org/t/error-vtktransformpolydatafilter-cxx-82-no-input-data/31132)

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**Author:** [@RadmirGareev](https://discourse.slicer.org/u/RadmirGareev)\
**Replies:** 5\
**Last updated:** [August 26, 2023, 4:13pm UTC](https://discourse.slicer.org/t/error-vtktransformpolydatafilter-cxx-82-no-input-data/31132 "2023-08-26T16:13:27Z")

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Hello! I often get an error: \[ERROR\]\[VTK\] 14.08.2023 00:41:48 \[vtkTransformPolyDataFilter (0000016FB7796AE0)\] (vtkTransformPolyDataFilter.cxx:82) - No input data \[ERROR\]\[VTK\] 14.08.2023 00:41:48 \[vtkTransformPolyDataF…

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## [Any way of training MONAILabel models on cloud services?](https://discourse.slicer.org/t/any-way-of-training-monailabel-models-on-cloud-services/31374)

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**Author:** [@A\_By](https://discourse.slicer.org/u/A_By)\
**Replies:** 1\
**Last updated:** [August 26, 2023, 2:27pm UTC](https://discourse.slicer.org/t/any-way-of-training-monailabel-models-on-cloud-services/31374 "2023-08-26T14:27:01Z")

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So is there is any way training a MONAILabel model on cloud GPU services like Google Cloud, AWS, Microsoft Azure etc? If, how?

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## [Generate fat and water MHA files in python from in-/out-phase exported MHA files](https://discourse.slicer.org/t/generate-fat-and-water-mha-files-in-python-from-in-out-phase-exported-mha-files/31377)

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**Author:** [@luarpy](https://discourse.slicer.org/u/luarpy)\
**Replies:** 0\
**Last updated:** [August 26, 2023, 11:32am UTC](https://discourse.slicer.org/t/generate-fat-and-water-mha-files-in-python-from-in-out-phase-exported-mha-files/31377 "2023-08-26T11:32:50Z")

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I would like to know if I can ask in this forum some problems I am having in getting some water and fat images from the in-phase and out-of-phase images. I know this forum is dedicated to 3dSlicer and it is partly relate…

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## [segmentation labels are siplayed incorrectly in python](https://discourse.slicer.org/t/segmentation-labels-are-siplayed-incorrectly-in-python/31369)

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**Author:** [@sepehr](https://discourse.slicer.org/u/sepehr)\
**Replies:** 0\
**Last updated:** [August 26, 2023, 2:13am UTC](https://discourse.slicer.org/t/segmentation-labels-are-siplayed-incorrectly-in-python/31369 "2023-08-26T02:13:52Z")

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hello, I am trying to segment the lung (label 1,purple) and lung opacities (label 2,yellow) from ct scan images. after I finish segmenting in the slicer I save the labels as a nifti file. when I try to visualize the segm…

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## [Extract selected segments](https://discourse.slicer.org/t/extract-selected-segments/31357)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 2\
**Last updated:** [August 25, 2023, 5:43pm UTC](https://discourse.slicer.org/t/extract-selected-segments/31357 "2023-08-25T17:43:04Z")

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(the topic was originally posted by @Samaneh - but it was accidentally rejected while reviewing the moderation queue) Hi everyone, I have got a series of mammography and ultrasound images that I segmented by 3d slicer.…

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## [Pass interface variables between classes](https://discourse.slicer.org/t/pass-interface-variables-between-classes/31008)

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**Author:** [@Kening\_Zhang](https://discourse.slicer.org/u/Kening_Zhang)\
**Replies:** 3\
**Last updated:** [August 6, 2023, 7:01pm UTC](https://discourse.slicer.org/t/pass-interface-variables-between-classes/31008 "2023-08-06T19:01:55Z")

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Dear developers， I create a message box want to update the process phase of my code, I define it in Widget class, and it successfully show in interface, But the question is I need to update the state in Logic clas…

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## [How to calculate surface only on one slide (2D) ?](https://discourse.slicer.org/t/how-to-calculate-surface-only-on-one-slide-2d/31358)

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**Author:** [@jancel](https://discourse.slicer.org/u/jancel)\
**Replies:** 0\
**Last updated:** [August 25, 2023, 1:26pm UTC](https://discourse.slicer.org/t/how-to-calculate-surface-only-on-one-slide-2d/31358 "2023-08-25T13:26:17Z")

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Hi, i a m new on 3D slicer. I already managed to creat segment on my ROI. Now i just want to calculate the surface on one axial image (so in 2D). How can i do that ? Thanks all

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## [Some of the links in the Image Guided Rad Therapy Tutorial Data set are not working](https://discourse.slicer.org/t/some-of-the-links-in-the-image-guided-rad-therapy-tutorial-data-set-are-not-working/31356)

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**Author:** [@Man](https://discourse.slicer.org/u/Man)\
**Replies:** 0\
**Last updated:** [August 25, 2023, 1:12pm UTC](https://discourse.slicer.org/t/some-of-the-links-in-the-image-guided-rad-therapy-tutorial-data-set-are-not-working/31356 "2023-08-25T13:12:26Z")

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Operating system: Win Slicer version:5.4.0 The link to download day 2 CT and Dose data, https://slicer.kitware.com/midas3/item/10702 and https://slicer.kitware.com/midas3/item/10703 keep returning the message: Not Fo…

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## [Using Monai Label with Imports](https://discourse.slicer.org/t/using-monai-label-with-imports/31355)

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**Author:** [@Daniel\_Pardi](https://discourse.slicer.org/u/Daniel_Pardi)\
**Replies:** 0\
**Last updated:** [August 25, 2023, 1:07pm UTC](https://discourse.slicer.org/t/using-monai-label-with-imports/31355 "2023-08-25T13:07:00Z")

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Hi, I am new to Monai Label but am familiar enough with the process of running the algorithm for segmentation learning. However, I have been trying to upload my own labels for training but have had no success. With the …

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## [Inquiry about DICOM Version Compatibility in 3D Slicer (5.4.0 and 5.5.0)](https://discourse.slicer.org/t/inquiry-about-dicom-version-compatibility-in-3d-slicer-5-4-0-and-5-5-0/31306)

<div class="topic-metadata">

**Author:** [@Dwij\_Mistry](https://discourse.slicer.org/u/Dwij_Mistry)\
**Replies:** 3\
**Last updated:** [August 25, 2023, 12:20pm UTC](https://discourse.slicer.org/t/inquiry-about-dicom-version-compatibility-in-3d-slicer-5-4-0-and-5-5-0/31306 "2023-08-25T12:20:06Z")

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Hello, I’m seeking information about the spectrum of DICOM versions that 3D Slicer can effectively accommodate. Specifically, I’d like to know which DICOM versions are supported on versions 5.4.0 and 5.5.0 of the softwa…

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## [Blank screen when launching Slicer on older laptop](https://discourse.slicer.org/t/blank-screen-when-launching-slicer-on-older-laptop/31310)

<div class="topic-metadata">

**Author:** [@Eduardo\_Hernandez](https://discourse.slicer.org/u/Eduardo_Hernandez)\
**Replies:** 6\
**Last updated:** [August 25, 2023, 11:36am UTC](https://discourse.slicer.org/t/blank-screen-when-launching-slicer-on-older-laptop/31310 "2023-08-25T11:36:55Z")

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I have downloaded version 5.2.2, 5.5.0 and 5.4.0, it manages to download everything but when I open it I get a window with a white screen. My laptop has these features: Operating system: windows 10 pro; version : 21H2 …

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## [CPR transformation for CT/CTA data in Slicer](https://discourse.slicer.org/t/cpr-transformation-for-ct-cta-data-in-slicer/31338)

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**Author:** [@mikbuch](https://discourse.slicer.org/u/mikbuch)\
**Replies:** 2\
**Last updated:** [August 25, 2023, 7:57am UTC](https://discourse.slicer.org/t/cpr-transformation-for-ct-cta-data-in-slicer/31338 "2023-08-25T07:57:01Z")

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Hi, does anyone know whether the Slicer, or any of its modules, has a curved planar reformation (CPR) algorithm implemented, so that it can be used for transformations along centerlines? Ref. https://www.researchgate.n…

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## [Poor segmentation and intersection performance](https://discourse.slicer.org/t/poor-segmentation-and-intersection-performance/31344)

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**Author:** [@d0rnkernsky](https://discourse.slicer.org/u/d0rnkernsky)\
**Replies:** 0\
**Last updated:** [August 24, 2023, 8:25pm UTC](https://discourse.slicer.org/t/poor-segmentation-and-intersection-performance/31344 "2023-08-24T20:25:47Z")

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Hello everyone! I have troubles with slicer’s performance while working with segmentation and segments. My goal is to build a heart segmentation that consists of 360 small segments. My workflow has two parts: Part A: l…

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## [When adjusting the shift toggle for the fetal preset in volume rendering, what does it filter out?](https://discourse.slicer.org/t/when-adjusting-the-shift-toggle-for-the-fetal-preset-in-volume-rendering-what-does-it-filter-out/31215)

<div class="topic-metadata">

**Author:** [@Seasapro](https://discourse.slicer.org/u/Seasapro)\
**Replies:** 2\
**Last updated:** [August 24, 2023, 8:19pm UTC](https://discourse.slicer.org/t/when-adjusting-the-shift-toggle-for-the-fetal-preset-in-volume-rendering-what-does-it-filter-out/31215 "2023-08-24T20:19:39Z")

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Hello, I have been using the 3D Slicer software for sediment core CT scans and found that the easiest to view is typically the fetal preset in volume rendering. I am trying to find wood or terrestrial debris and was won…

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