# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=410

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

**Page:** 411

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## [Display segment names on images](https://discourse.slicer.org/t/display-segment-names-on-images/3788)

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**Author:** [@Justin\_Cramer](https://discourse.slicer.org/u/Justin_Cramer)\
**Replies:** 4\
**Last updated:** [October 8, 2018, 2:17pm UTC](https://discourse.slicer.org/t/display-segment-names-on-images/3788 "2018-10-08T14:17:24Z")

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Is there a way to display segment names on every slice in a way similar to annotations on e-anatomy? (see attached image) The verbiage gets confusing because “label” and “annotation” already have different meanings in Sl…

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## [Finding the maximum value of displacement fields using python](https://discourse.slicer.org/t/finding-the-maximum-value-of-displacement-fields-using-python/4311)

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**Author:** [@aseman](https://discourse.slicer.org/u/aseman)\
**Replies:** 1\
**Last updated:** [October 7, 2018, 4:25pm UTC](https://discourse.slicer.org/t/finding-the-maximum-value-of-displacement-fields-using-python/4311 "2018-10-07T16:25:16Z")

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Operating system: windows 10 Slicer version: 4.8.1 Hi 3D slicer experts and all users I work with 3D slicer, but I am unfamiliar with python, and now I am learning it. I calculated the displacement fields for a specif…

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## [Volume rendering does not appear](https://discourse.slicer.org/t/volume-rendering-does-not-appear/4303)

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**Author:** [@Carolina3D](https://discourse.slicer.org/u/Carolina3D)\
**Replies:** 17\
**Last updated:** [October 5, 2018, 6:30pm UTC](https://discourse.slicer.org/t/volume-rendering-does-not-appear/4303 "2018-10-05T18:30:00Z")

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Operating system: Windows Slicer version:4.8.1 Expected behavior: GIve me a volume redering picture Actual behavior: The program errors every time. Do I have a to bad computer? HP Spectra Intel core i7 Geforce

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## [Image slices appear but volume rendering does not display anything](https://discourse.slicer.org/t/image-slices-appear-but-volume-rendering-does-not-display-anything/4297)

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**Author:** [@hina](https://discourse.slicer.org/u/hina)\
**Replies:** 1\
**Last updated:** [October 5, 2018, 2:11pm UTC](https://discourse.slicer.org/t/image-slices-appear-but-volume-rendering-does-not-display-anything/4297 "2018-10-05T14:11:53Z")

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From dicom data R,Y,G data are displayed as the attached picture.But volume rendering doesn’t work.Also R,Y,G’s slide bars don’t work,slice data don’t change.Will you please advice me how to make rendering. Thanks.

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## [3D Slicer to Abaqus](https://discourse.slicer.org/t/3d-slicer-to-abaqus/4294)

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**Author:** [@jamieng](https://discourse.slicer.org/u/jamieng)\
**Replies:** 1\
**Last updated:** [October 5, 2018, 2:06pm UTC](https://discourse.slicer.org/t/3d-slicer-to-abaqus/4294 "2018-10-05T14:06:22Z")

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Hello, Does anyone have experience with exporting a segmented model from 3D Slicer to ABAQUS for mesh creation and finite element analysis? Would greatly appreciate any tips and advice (for example, regarding file form…

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## [XP-Pen Artist 12 Pen Display for 3D slicer  ?](https://discourse.slicer.org/t/xp-pen-artist-12-pen-display-for-3d-slicer/4296)

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**Author:** [@guangkun](https://discourse.slicer.org/u/guangkun)\
**Replies:** 1\
**Last updated:** [October 5, 2018, 2:01pm UTC](https://discourse.slicer.org/t/xp-pen-artist-12-pen-display-for-3d-slicer/4296 "2018-10-05T14:01:59Z")

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Hello, Before to buy any graphic tablet Monitor I would like to know if I can use 3D slicer with a XP-Pen Artist 12 Pen Display Tablet . Is it fully compatible ? Both pressure sensitivity and the tool switch button work…

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## [Seemingly distorting images from input images (MPRs)](https://discourse.slicer.org/t/seemingly-distorting-images-from-input-images-mprs/4290)

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**Author:** [@F\_Karl](https://discourse.slicer.org/u/F_Karl)\
**Replies:** 2\
**Last updated:** [October 5, 2018, 1:42pm UTC](https://discourse.slicer.org/t/seemingly-distorting-images-from-input-images-mprs/4290 "2018-10-05T13:42:10Z")

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Hello everyone, I was once helped greatly, when I was getting started with Slicer here, so I am giving it one more shot, as I have been stuck for a while now. I am having trouble with images I have been given; these are…

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## [Mouse brain MRI data from Bruker scanner](https://discourse.slicer.org/t/mouse-brain-mri-data-from-bruker-scanner/4286)

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**Author:** [@jsramos](https://discourse.slicer.org/u/jsramos)\
**Replies:** 1\
**Last updated:** [October 4, 2018, 5:36pm UTC](https://discourse.slicer.org/t/mouse-brain-mri-data-from-bruker-scanner/4286 "2018-10-04T17:36:30Z")

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As a neuroscientist I don’t typically work with MRI images. I would like to know what data format I should obtain from the MR technician who runs the mouse brain MRI. He sent me 12 Dicom images but when I load those in…

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## [Combine DICOM data](https://discourse.slicer.org/t/combine-dicom-data/4275)

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**Author:** [@M\_pavi](https://discourse.slicer.org/u/M_pavi)\
**Replies:** 1\
**Last updated:** [October 3, 2018, 9:33pm UTC](https://discourse.slicer.org/t/combine-dicom-data/4275 "2018-10-03T21:33:36Z")

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I have separate DICOM data of a Full body head, neck, chest likewise. I want to combine those images to make perfect full body. I tried with landmark registration but cannot make it.

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## [Not Opening a File - Called by an external python Command line](https://discourse.slicer.org/t/not-opening-a-file-called-by-an-external-python-command-line/4144)

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**Author:** [@Camilla\_Tac](https://discourse.slicer.org/u/Camilla_Tac)\
**Replies:** 5\
**Last updated:** [October 3, 2018, 7:34pm UTC](https://discourse.slicer.org/t/not-opening-a-file-called-by-an-external-python-command-line/4144 "2018-10-03T19:34:46Z")

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Operating system: Windows Latest version Slicer version: 4.8.1 Expected behavior: The Slicer program should start running and open the visual file, however it doesn’t do so. Actual behavior: The Slicer program does no…

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## [Surface points to voxel coordinate conversion (my segmented surface is outside volume)](https://discourse.slicer.org/t/surface-points-to-voxel-coordinate-conversion-my-segmented-surface-is-outside-volume/4270)

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**Author:** [@tron](https://discourse.slicer.org/u/tron)\
**Replies:** 1\
**Last updated:** [October 3, 2018, 2:39pm UTC](https://discourse.slicer.org/t/surface-points-to-voxel-coordinate-conversion-my-segmented-surface-is-outside-volume/4270 "2018-10-03T14:39:43Z")

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Operating system: Microsoft Windows 7 Professional Slicer version: 4.8.1 Expected behavior: I load a CT head volume and manually segment the mandibular canal using the following sequence: Segment Editor, Paint/Draw, …

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## [I can't loading my CT image successfully](https://discourse.slicer.org/t/i-cant-loading-my-ct-image-successfully/4271)

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**Author:** [@SlicerRookie](https://discourse.slicer.org/u/SlicerRookie)\
**Replies:** 1\
**Last updated:** [October 3, 2018, 2:18pm UTC](https://discourse.slicer.org/t/i-cant-loading-my-ct-image-successfully/4271 "2018-10-03T14:18:24Z")

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Operating system: Windows 10 Slicer version: 3D slicer 4.9 (nightly) Expected behavior: No problem! Actual behavior: The software gives me a error message when using MultiVolumeImporter plugin. Hello! I’m a newbie f…

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## [Editor module/segment editer](https://discourse.slicer.org/t/editor-module-segment-editer/4267)

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**Author:** [@Melanie](https://discourse.slicer.org/u/Melanie)\
**Replies:** 2\
**Last updated:** [October 3, 2018, 2:01pm UTC](https://discourse.slicer.org/t/editor-module-segment-editer/4267 "2018-10-03T14:01:00Z")

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Hi , How can I edit one frame of a sequence (multivolume ) and depict the changes in all the frames of the sequence. Is it possible with slicer Thanks

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## [Controlling brush diameter increment when using Shift+Scroll](https://discourse.slicer.org/t/controlling-brush-diameter-increment-when-using-shift-scroll/4247)

<div class="topic-metadata">

**Author:** [@matthew](https://discourse.slicer.org/u/matthew)\
**Replies:** 10\
**Last updated:** [October 2, 2018, 9:34pm UTC](https://discourse.slicer.org/t/controlling-brush-diameter-increment-when-using-shift-scroll/4247 "2018-10-02T21:34:30Z")

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When using paint tool in segment editor, the brush diameter can be controlled by holding shift key and scrolling (in addition to using the arrow keys on the UI). I would like the jump in diameter when scrolling to be muc…

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## [.dcm to .obj conversion](https://discourse.slicer.org/t/dcm-to-obj-conversion/4260)

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**Author:** [@kinda.h](https://discourse.slicer.org/u/kinda.h)\
**Replies:** 4\
**Last updated:** [October 2, 2018, 8:49pm UTC](https://discourse.slicer.org/t/dcm-to-obj-conversion/4260 "2018-10-02T20:49:40Z")

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How can i convert .dcm to .obj (both 3d colored) in slicer

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## [How to open a set of radial slices in a DICOM file and scroll through them](https://discourse.slicer.org/t/how-to-open-a-set-of-radial-slices-in-a-dicom-file-and-scroll-through-them/4229)

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**Author:** [@torquil](https://discourse.slicer.org/u/torquil)\
**Replies:** 6\
**Last updated:** [October 2, 2018, 6:44pm UTC](https://discourse.slicer.org/t/how-to-open-a-set-of-radial-slices-in-a-dicom-file-and-scroll-through-them/4229 "2018-10-02T18:44:00Z")

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Hi! I have some DICOM files which contains different CT reconstructions of temporal bones. Some of the reconstructions use parallel slices which work fine in Slicer, but som use slices which are oriented at different an…

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## [PlusServer + OpenIGTLinkIF](https://discourse.slicer.org/t/plusserver-openigtlinkif/4258)

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**Author:** [@jrhodes](https://discourse.slicer.org/u/jrhodes)\
**Replies:** 1\
**Last updated:** [October 2, 2018, 6:30pm UTC](https://discourse.slicer.org/t/plusserver-openigtlinkif/4258 "2018-10-02T18:30:22Z")

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Downloaded nightly builds of Plus and Slicer using Windows 64bit. Need paper marker tracking so I selected “optical marker tracker using MMF video.” I’m trying to use my built-in webcam but cant get it to work and keep …

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## [Calculate DVH or dose distribution based on RT plan protocol and structure set](https://discourse.slicer.org/t/calculate-dvh-or-dose-distribution-based-on-rt-plan-protocol-and-structure-set/4254)

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**Author:** [@WardvanRooij](https://discourse.slicer.org/u/WardvanRooij)\
**Replies:** 1\
**Last updated:** [October 2, 2018, 12:29pm UTC](https://discourse.slicer.org/t/calculate-dvh-or-dose-distribution-based-on-rt-plan-protocol-and-structure-set/4254 "2018-10-02T12:29:58Z")

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Dear all, For a new project I am looking for a Python integrated way to calculate the DVH or 3D dose distribution based on a radiotherapy treatment plan + structure set. Does anyone of you know if there is such a thing …

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## [segment comparison and mesh statistics](https://discourse.slicer.org/t/segment-comparison-and-mesh-statistics/4242)

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**Author:** [@fisher](https://discourse.slicer.org/u/fisher)\
**Replies:** 3\
**Last updated:** [October 2, 2018, 12:27pm UTC](https://discourse.slicer.org/t/segment-comparison-and-mesh-statistics/4242 "2018-10-02T12:27:22Z")

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Recently I have done some work about segmentation,and it come to evaluate the results. First,I want to evaluate the dice similarity coefficient(DSC) and HD ,I know the module of segment comparison may help me, but I jus…

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## [Segmentations Module: Exporting labelmaps using a transformed Reference volume](https://discourse.slicer.org/t/segmentations-module-exporting-labelmaps-using-a-transformed-reference-volume/4248)

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**Author:** [@baverso](https://discourse.slicer.org/u/baverso)\
**Replies:** 1\
**Last updated:** [October 1, 2018, 10:54pm UTC](https://discourse.slicer.org/t/segmentations-module-exporting-labelmaps-using-a-transformed-reference-volume/4248 "2018-10-01T22:54:21Z")

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Hello, I have some question concerning translations and resampling of segmentation objects. Background: I have two imaging volumes and a segmentation in my Data. Image volume (‘alpha’) is the original medical image, una…

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## [I want to analysis the bone using "bone texture" module, what should i do ?](https://discourse.slicer.org/t/i-want-to-analysis-the-bone-using-bone-texture-module-what-should-i-do/2452)

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**Author:** [@neoture](https://discourse.slicer.org/u/neoture)\
**Replies:** 5\
**Last updated:** [October 1, 2018, 5:46pm UTC](https://discourse.slicer.org/t/i-want-to-analysis-the-bone-using-bone-texture-module-what-should-i-do/2452 "2018-10-01T17:46:35Z")

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I loaded the microCT DICOM data of bone sample to 3Dslicer. And i want to use the “bone texture” modules for analyzing the BM Features:BVTV\\TbTh…but how to operate? i got some problem with the “input data " I chose the” …

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## [having trouble getting the 3d render.](https://discourse.slicer.org/t/having-trouble-getting-the-3d-render/4240)

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**Author:** [@solstice](https://discourse.slicer.org/u/solstice)\
**Replies:** 0\
**Last updated:** [October 1, 2018, 1:27pm UTC](https://discourse.slicer.org/t/having-trouble-getting-the-3d-render/4240 "2018-10-01T13:27:00Z")

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Hello. I just discovered slicer for using fetus dcm files to stl and than print. I found the video on youtube. https://www.youtube.com/watch?v=UHq0uyDvhaA Downloaded the same files. But i have a different screen not…

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## [Segments do not appear in 3D](https://discourse.slicer.org/t/segments-do-not-appear-in-3d/4230)

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**Author:** [@VRoza](https://discourse.slicer.org/u/VRoza)\
**Replies:** 2\
**Last updated:** [September 30, 2018, 6:05pm UTC](https://discourse.slicer.org/t/segments-do-not-appear-in-3d/4230 "2018-09-30T18:05:26Z")

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Operating system: Winsows 10 Slicer version:4.8.1 Expected behavior: create 3D visualisation Actual behavior: nothing happens, error “failed to convert segmentation to closed surface” Dear Slicer community, I creat…

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## [Sequence registration internal error](https://discourse.slicer.org/t/sequence-registration-internal-error/4231)

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**Author:** [@Melanie](https://discourse.slicer.org/u/Melanie)\
**Replies:** 0\
**Last updated:** [September 30, 2018, 12:58pm UTC](https://discourse.slicer.org/t/sequence-registration-internal-error/4231 "2018-09-30T12:58:14Z")

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when I register my multivolume dicom data (loaded as a sequence) I cannot go beyond 20-25 frames at once , it always send a 'internal error ’ message. Any advice please. Thanks a lot Also I could get RAS coordinates for…

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## [How slice selection slider should work?](https://discourse.slicer.org/t/how-slice-selection-slider-should-work/496)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 11\
**Last updated:** [September 29, 2018, 8:26pm UTC](https://discourse.slicer.org/t/how-slice-selection-slider-should-work/496 "2018-09-29T20:26:56Z")

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Currently slice selector slider at the top of each slice view always moves with about 1/10th of slice spacing, rounded to nearest power of 10 (1.0mm, 0.1mm, …) increments when dragged with the mouse (or clicked with the …

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## [What CT file format can be uploaded to 3DSlicer?](https://discourse.slicer.org/t/what-ct-file-format-can-be-uploaded-to-3dslicer/4218)

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**Author:** [@christopher](https://discourse.slicer.org/u/christopher)\
**Replies:** 1\
**Last updated:** [September 29, 2018, 1:13pm UTC](https://discourse.slicer.org/t/what-ct-file-format-can-be-uploaded-to-3dslicer/4218 "2018-09-29T13:13:19Z")

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

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## [Slicer 4.9. (r27399) crashes on startup in Windows remote session](https://discourse.slicer.org/t/slicer-4-9-r27399-crashes-on-startup-in-windows-remote-session/4220)

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**Author:** [@stephan](https://discourse.slicer.org/u/stephan)\
**Replies:** 2\
**Last updated:** [September 28, 2018, 3:41pm UTC](https://discourse.slicer.org/t/slicer-4-9-r27399-crashes-on-startup-in-windows-remote-session/4220 "2018-09-28T15:41:18Z")

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Slicer 4.9. (r27399) but not Slicer 4.8.1. crashes when started in a remote desktop session. Operating system (local as well as remote) Windows 7 Professional 64 bit. Both Slicer versions start up and function as expec…

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## [Basic question about CT MultiPlanar Reconstruction and NRRD files](https://discourse.slicer.org/t/basic-question-about-ct-multiplanar-reconstruction-and-nrrd-files/4219)

<div class="topic-metadata">

**Author:** [@jdx-john](https://discourse.slicer.org/u/jdx-john)\
**Replies:** 2\
**Last updated:** [September 28, 2018, 2:24pm UTC](https://discourse.slicer.org/t/basic-question-about-ct-multiplanar-reconstruction-and-nrrd-files/4219 "2018-09-28T14:24:11Z")

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When Slicer imports a raw CT DICOM dataset, my recollection is this is a set of 2D image ‘stacks’ taken on 3 orthogonal axes - correct? And Slicer uses MPR to convert this into a volumetric dataset so you can slice it an…

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## [New sequnce building](https://discourse.slicer.org/t/new-sequnce-building/4204)

<div class="topic-metadata">

**Author:** [@Melanie](https://discourse.slicer.org/u/Melanie)\
**Replies:** 5\
**Last updated:** [September 27, 2018, 8:17pm UTC](https://discourse.slicer.org/t/new-sequnce-building/4204 "2018-09-27T20:17:15Z")

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Operating system: windows 10 Slicer version:4.9 Expected behavior: Actual behavior: How could I crop and merge two volume sequences please. If I have 100 frames (transformed from multivolume to image sequence) and I …

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## [How to modify interpolation mesh grids](https://discourse.slicer.org/t/how-to-modify-interpolation-mesh-grids/4211)

<div class="topic-metadata">

**Author:** [@baverso](https://discourse.slicer.org/u/baverso)\
**Replies:** 3\
**Last updated:** [September 27, 2018, 7:26pm UTC](https://discourse.slicer.org/t/how-to-modify-interpolation-mesh-grids/4211 "2018-09-27T19:26:05Z")

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Hello, I’d like to know if there are any modules which allow me to modify the interpolation grids? Please see the image below for various methods of alignment: Source: Image biomarker standardisation initiative If …

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