# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=392

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

**Page:** 393

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## [How to access coronal image data array from a Diffusion Weighted Volume Node](https://discourse.slicer.org/t/how-to-access-coronal-image-data-array-from-a-diffusion-weighted-volume-node/6054)

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**Author:** [@John\_DiMatteo](https://discourse.slicer.org/u/John_DiMatteo)\
**Replies:** 2\
**Last updated:** [March 11, 2019, 4:50pm UTC](https://discourse.slicer.org/t/how-to-access-coronal-image-data-array-from-a-diffusion-weighted-volume-node/6054 "2019-03-11T16:50:14Z")

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How can I access coronal pixel data from a MRMLCorePython.vtkMRMLDiffusionWeightedVolumeNode object in a python slicer extension module? I’m creating a numpy array based on axial diffusion dicom pixel data, e.g. {code} …

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## [Why the file folder is empty?](https://discourse.slicer.org/t/why-the-file-folder-is-empty/6096)

<div class="topic-metadata">

**Author:** [@bigTian](https://discourse.slicer.org/u/bigTian)\
**Replies:** 1\
**Last updated:** [March 11, 2019, 2:37pm UTC](https://discourse.slicer.org/t/why-the-file-folder-is-empty/6096 "2019-03-11T14:37:17Z")

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As you can see the Console of 3D slicer has shown that the dicom has been exported to the specific path, but the folder was empty.Why?

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## [Windows look blurred compared to other segmentation applications](https://discourse.slicer.org/t/windows-look-blurred-compared-to-other-segmentation-applications/6102)

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**Author:** [@Leon](https://discourse.slicer.org/u/Leon)\
**Replies:** 3\
**Last updated:** [March 11, 2019, 1:05pm UTC](https://discourse.slicer.org/t/windows-look-blurred-compared-to-other-segmentation-applications/6102 "2019-03-11T13:05:11Z")

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Hello, I thinking about switching over from my standard segmentation application (which is Mimics) to 3DSlicer. Normaly I’m used to see all my slices pixelated, but 3DSlicer shows them blurred. Other applications I’m u…

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## [Fixed bin count in SlicerRadiomics](https://discourse.slicer.org/t/fixed-bin-count-in-slicerradiomics/6045)

<div class="topic-metadata">

**Author:** [@Karin\_Meijer](https://discourse.slicer.org/u/Karin_Meijer)\
**Replies:** 2\
**Last updated:** [March 11, 2019, 9:40am UTC](https://discourse.slicer.org/t/fixed-bin-count-in-slicerradiomics/6045 "2019-03-11T09:40:16Z")

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Hello, Currently I am using the SlicerRadiomics extension and I noticed that features can only be calculated with a fixed bin width, which can be manually set. However, for my analysis I would prefer a fixed bin count. …

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## [Model Sequence has no display nodes](https://discourse.slicer.org/t/model-sequence-has-no-display-nodes/6098)

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**Author:** [@GerryG](https://discourse.slicer.org/u/GerryG)\
**Replies:** 2\
**Last updated:** [March 11, 2019, 5:27am UTC](https://discourse.slicer.org/t/model-sequence-has-no-display-nodes/6098 "2019-03-11T05:27:59Z")

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Operating system: Linux Ubuntu 18.10 Slicer version: 4.10.1 I have created a Sequence from a number of vtkUnstructuredGrid models and get the below error when I try to play in in Sequence Browser: virtual QColor qSlic…

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## [Image registration based on 2 segmentations structures](https://discourse.slicer.org/t/image-registration-based-on-2-segmentations-structures/5306)

<div class="topic-metadata">

**Author:** [@michael](https://discourse.slicer.org/u/michael)\
**Replies:** 1\
**Last updated:** [January 8, 2019, 3:04pm UTC](https://discourse.slicer.org/t/image-registration-based-on-2-segmentations-structures/5306 "2019-01-08T15:04:01Z")

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Hi everybody ! i need your help cause i want to register 2 DICOM images on 2 segmentations CONTOURS performed on each image ; i mean no registration based on the pixels of the images. Do you know which modules i have t…

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## [Download the CT images from TCIA Browser](https://discourse.slicer.org/t/download-the-ct-images-from-tcia-browser/6091)

<div class="topic-metadata">

**Author:** [@aseman](https://discourse.slicer.org/u/aseman)\
**Replies:** 1\
**Last updated:** [March 10, 2019, 8:34pm UTC](https://discourse.slicer.org/t/download-the-ct-images-from-tcia-browser/6091 "2019-03-10T20:34:00Z")

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Slicer version:4.10.1 Hi 3D Slicer experts and all I want to download the CT images from TCIA Browser module for respiratory Gating in patients with left sided breast cancer, which consists of two sets of images; firs…

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## [can any body help me how to open .mhd format images in matlab with .raw header](https://discourse.slicer.org/t/can-any-body-help-me-how-to-open-mhd-format-images-in-matlab-with-raw-header/6092)

<div class="topic-metadata">

**Author:** [@hira](https://discourse.slicer.org/u/hira)\
**Replies:** 2\
**Last updated:** [March 10, 2019, 7:30pm UTC](https://discourse.slicer.org/t/can-any-body-help-me-how-to-open-mhd-format-images-in-matlab-with-raw-header/6092 "2019-03-10T19:30:51Z")

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Operating system: Slicer version: Expected behavior: Actual behavior:

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## [Rt-structures : artefact](https://discourse.slicer.org/t/rt-structures-artefact/6089)

<div class="topic-metadata">

**Author:** [@michael](https://discourse.slicer.org/u/michael)\
**Replies:** 2\
**Last updated:** [March 10, 2019, 3:44pm UTC](https://discourse.slicer.org/t/rt-structures-artefact/6089 "2019-03-10T15:44:52Z")

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Hello everyone i’ve got some troubles. When importing DICOM RT Structure into 3d-slicer somes structures (not all) presents this kind of artefact ! it also affect others superposed structures Can someone help me cause…

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## [How to convert volume to segmentation?](https://discourse.slicer.org/t/how-to-convert-volume-to-segmentation/1081)

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**Author:** [@pwang](https://discourse.slicer.org/u/pwang)\
**Replies:** 10\
**Last updated:** [March 10, 2019, 1:10pm UTC](https://discourse.slicer.org/t/how-to-convert-volume-to-segmentation/1081 "2019-03-10T13:10:24Z")

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Operating system: Win7 Slicer version: 4.7.0 The original segmentation needs to be registered by deformable image registration (DIR) vector field generated from CT1 to CT2 DIR. My solution is: 1. convert segmentation t…

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## [U-net DeepLearning](https://discourse.slicer.org/t/u-net-deeplearning/6024)

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**Author:** [@dp1991](https://discourse.slicer.org/u/dp1991)\
**Replies:** 5\
**Last updated:** [March 9, 2019, 6:11pm UTC](https://discourse.slicer.org/t/u-net-deeplearning/6024 "2019-03-09T18:11:17Z")

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Hi has vtk module for u-net (deep learning for biomedical image segmentation) ?

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## [Mirror in surface toolbox](https://discourse.slicer.org/t/mirror-in-surface-toolbox/3297)

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**Author:** [@Arnaud](https://discourse.slicer.org/u/Arnaud)\
**Replies:** 6\
**Last updated:** [March 8, 2019, 10:26pm UTC](https://discourse.slicer.org/t/mirror-in-surface-toolbox/3297 "2019-03-08T22:26:13Z")

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Hi there. I’m working on maxillo-facial surgical planning. I’d need to mirror a model. I use the surface toolbox with the mirror option. We can mirror above the 3 axes x,y,z. My question is : how to mirror above a spec…

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## [Better way for browsing nightly builds?](https://discourse.slicer.org/t/better-way-for-browsing-nightly-builds/6077)

<div class="topic-metadata">

**Author:** [@mcfly3001](https://discourse.slicer.org/u/mcfly3001)\
**Replies:** 2\
**Last updated:** [March 8, 2019, 4:41pm UTC](https://discourse.slicer.org/t/better-way-for-browsing-nightly-builds/6077 "2019-03-08T16:41:27Z")

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Hi Slicer-Team, Your team recently helped me to solve a bug we have found in the OpenIGTLink extension. It was quickly fixed and I was told that there will be an updated available in the next day. Today I found time to…

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## [Unable to input channel Id in Slicer-\>IGT-\>Plus Remote](https://discourse.slicer.org/t/unable-to-input-channel-id-in-slicer-igt-plus-remote/5799)

<div class="topic-metadata">

**Author:** [@zoez](https://discourse.slicer.org/u/zoez)\
**Replies:** 14\
**Last updated:** [March 8, 2019, 3:10pm UTC](https://discourse.slicer.org/t/unable-to-input-channel-id-in-slicer-igt-plus-remote/5799 "2019-03-08T15:10:55Z")

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Operating system: windows 10 Slicer version:Slicer4.10.0 Expected behavior:record mha file from image streamed via openigtlink Actual behavior:does not allow inputing channel id for image Hello, I streamed images fr…

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## [Unable to download previous version of Slicer](https://discourse.slicer.org/t/unable-to-download-previous-version-of-slicer/6071)

<div class="topic-metadata">

**Author:** [@Tiffas](https://discourse.slicer.org/u/Tiffas)\
**Replies:** 3\
**Last updated:** [March 8, 2019, 1:36pm UTC](https://discourse.slicer.org/t/unable-to-download-previous-version-of-slicer/6071 "2019-03-08T13:36:24Z")

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From http://slicer.kitware.com/midas3/folder/274 download is disabled, is there an other way to get previous version of Slicer ?

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## [Plus : using the transform embedded in OpenIGTLink "IMAGE" messages](https://discourse.slicer.org/t/plus-using-the-transform-embedded-in-openigtlink-image-messages/4952)

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**Author:** [@Tiffas](https://discourse.slicer.org/u/Tiffas)\
**Replies:** 3\
**Last updated:** [March 8, 2019, 1:20pm UTC](https://discourse.slicer.org/t/plus-using-the-transform-embedded-in-openigtlink-image-messages/4952 "2019-03-08T13:20:03Z")

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Hi, I am trying to use the transform embedded in OpenIGTLink “IMAGE” messages. In the Plus documentation about OpenIGTLink devices, it is specified about the ImageMessageEmbeddedTransformName attribute that : ImageMess…

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## [High contrast image](https://discourse.slicer.org/t/high-contrast-image/6069)

<div class="topic-metadata">

**Author:** [@prorai](https://discourse.slicer.org/u/prorai)\
**Replies:** 0\
**Last updated:** [March 8, 2019, 8:27am UTC](https://discourse.slicer.org/t/high-contrast-image/6069 "2019-03-08T08:27:23Z")

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i’m running a python script to make 3d models of segmentation. I have a series in which the images are very high contrast : whenever i try to run my python script for this dicom series the process stuck or keep show…

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## [ROI ,Crop volume](https://discourse.slicer.org/t/roi-crop-volume/6058)

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**Author:** [@prorai](https://discourse.slicer.org/u/prorai)\
**Replies:** 1\
**Last updated:** [March 7, 2019, 8:48pm UTC](https://discourse.slicer.org/t/roi-crop-volume/6058 "2019-03-07T20:48:06Z")

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How can i set ROI and Crop volume setting from python code?

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## [How to save the file processed by 3D slicer](https://discourse.slicer.org/t/how-to-save-the-file-processed-by-3d-slicer/6063)

<div class="topic-metadata">

**Author:** [@bigTian](https://discourse.slicer.org/u/bigTian)\
**Replies:** 1\
**Last updated:** [March 7, 2019, 4:37pm UTC](https://discourse.slicer.org/t/how-to-save-the-file-processed-by-3d-slicer/6063 "2019-03-07T16:37:47Z")

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As you see the output of 3D slicer does not include dicom. So, if i want to save as the format of dcm. How can i do?

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## [Floating 2d Slice/Frame in Segment Editor](https://discourse.slicer.org/t/floating-2d-slice-frame-in-segment-editor/6053)

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**Author:** [@Sydney\_Brannoch](https://discourse.slicer.org/u/Sydney_Brannoch)\
**Replies:** 1\
**Last updated:** [March 7, 2019, 1:47pm UTC](https://discourse.slicer.org/t/floating-2d-slice-frame-in-segment-editor/6053 "2019-03-07T13:47:50Z")

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I am not sure how I added a floating 2d slice of the uCT scan while painting in Segment Editor. How do I remove it? See pictures for reference.

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## [Adding points to open curve](https://discourse.slicer.org/t/adding-points-to-open-curve/6044)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 4\
**Last updated:** [March 6, 2019, 10:22pm UTC](https://discourse.slicer.org/t/adding-points-to-open-curve/6044 "2019-03-06T22:22:01Z")

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Dear @lassoan and @Davide\_Punzo. I just tried the new markup features, and looks great. Thank you very much for all the hardwork. Quick question, is it possible to modify the curve after it is created, i.,e to add points…

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## [Run BRAINSResample from command line](https://discourse.slicer.org/t/run-brainsresample-from-command-line/6043)

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**Author:** [@PaoloZaffino](https://discourse.slicer.org/u/PaoloZaffino)\
**Replies:** 2\
**Last updated:** [March 6, 2019, 9:03pm UTC](https://discourse.slicer.org/t/run-brainsresample-from-command-line/6043 "2019-03-06T21:03:19Z")

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Hi all, I would like to run BRAINSResample from Windows command line. I tried to follow this guide but I get nothing (I press enter and I get a new line), both from cmd and from text file where I rerdirect the output. …

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## [XML style for custom layout](https://discourse.slicer.org/t/xml-style-for-custom-layout/5831)

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**Author:** [@ghnguyen](https://discourse.slicer.org/u/ghnguyen)\
**Replies:** 5\
**Last updated:** [March 6, 2019, 8:39pm UTC](https://discourse.slicer.org/t/xml-style-for-custom-layout/5831 "2019-03-06T20:39:22Z")

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Hi, I want to make a custom layout and right now I just have a long XML string. Can I specify an XML stylesheet or is there any easier way to change the background color (for the space between the items or the layouts)?…

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## [Help cropping 4D images after using segmentation wizard](https://discourse.slicer.org/t/help-cropping-4d-images-after-using-segmentation-wizard/6049)

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**Author:** [@rjortiz2](https://discourse.slicer.org/u/rjortiz2)\
**Replies:** 0\
**Last updated:** [March 6, 2019, 8:01pm UTC](https://discourse.slicer.org/t/help-cropping-4d-images-after-using-segmentation-wizard/6049 "2019-03-06T20:01:27Z")

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I have a fMRI nifti file of that I need the skull to be extracted from. I first set up an Image mask using segmentation wizard, to highlight the brain. After finishing segmentation wizard, I tried saving the masks as .…

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## [Could not load: FUSED COR as a Scalar Volume](https://discourse.slicer.org/t/could-not-load-fused-cor-as-a-scalar-volume/6039)

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**Author:** [@prorai](https://discourse.slicer.org/u/prorai)\
**Replies:** 0\
**Last updated:** [March 6, 2019, 2:45pm UTC](https://discourse.slicer.org/t/could-not-load-fused-cor-as-a-scalar-volume/6039 "2019-03-06T14:45:26Z")

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anybody know about this?? i’m trying to load a dicom series in dicom module.

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## [How to translate seg\_nrrd file](https://discourse.slicer.org/t/how-to-translate-seg-nrrd-file/6037)

<div class="topic-metadata">

**Author:** [@11114](https://discourse.slicer.org/u/11114)\
**Replies:** 0\
**Last updated:** [March 6, 2019, 8:17am UTC](https://discourse.slicer.org/t/how-to-translate-seg-nrrd-file/6037 "2019-03-06T08:17:56Z")

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hello everyone, I have a question, I used 3Dslice to delineate a tumor and got a file with seg. NRRD, now I check the file is not consistent with the size of my CT image, may I ask how to operate, so that I can use this …

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## [Artery segmentation](https://discourse.slicer.org/t/artery-segmentation/6025)

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**Author:** [@prorai](https://discourse.slicer.org/u/prorai)\
**Replies:** 1\
**Last updated:** [March 5, 2019, 6:09pm UTC](https://discourse.slicer.org/t/artery-segmentation/6025 "2019-03-05T18:09:51Z")

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which will be the best method/module to make artery segmentation from any body part?

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## [Image Stack to 3D Model](https://discourse.slicer.org/t/image-stack-to-3d-model/6032)

<div class="topic-metadata">

**Author:** [@David\_Meshnick](https://discourse.slicer.org/u/David_Meshnick)\
**Replies:** 1\
**Last updated:** [March 5, 2019, 5:20pm UTC](https://discourse.slicer.org/t/image-stack-to-3d-model/6032 "2019-03-05T17:20:51Z")

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Hello, I’m new to 3DSlicer, and I have to create a 3D model from a stack of roughly 2000 .jpg images. In the documentation (link below), it says to uncheck the “Single File” option for each image, and I was wondering if…

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## [Slicer does not start on Fedora 29 due to missing libnsl](https://discourse.slicer.org/t/slicer-does-not-start-on-fedora-29-due-to-missing-libnsl/6013)

<div class="topic-metadata">

**Author:** [@Kevin\_Santi](https://discourse.slicer.org/u/Kevin_Santi)\
**Replies:** 1\
**Last updated:** [March 5, 2019, 4:02pm UTC](https://discourse.slicer.org/t/slicer-does-not-start-on-fedora-29-due-to-missing-libnsl/6013 "2019-03-05T16:02:21Z")

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Operating system:fedora 29 Slicer version:4.11 and 4.10 Expected behavior:work as mentioned in linux guidelines installation Actual behavior:not working error while loading shared libraries: libnsl.so.1: cannot open …

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## [Get 3D output of Volume rendering](https://discourse.slicer.org/t/get-3d-output-of-volume-rendering/6027)

<div class="topic-metadata">

**Author:** [@prorai](https://discourse.slicer.org/u/prorai)\
**Replies:** 1\
**Last updated:** [March 5, 2019, 2:28pm UTC](https://discourse.slicer.org/t/get-3d-output-of-volume-rendering/6027 "2019-03-05T14:28:20Z")

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How can i save volume rendering output in stl or obj format?

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