# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=438

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

**Page:** 439

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## [GPU Volume Rendering Issues](https://discourse.slicer.org/t/gpu-volume-rendering-issues/1380)

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**Author:** [@mrmorgan](https://discourse.slicer.org/u/mrmorgan)\
**Replies:** 1\
**Last updated:** [November 4, 2017, 7:23pm UTC](https://discourse.slicer.org/t/gpu-volume-rendering-issues/1380 "2017-11-04T19:23:41Z")

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Operating system: win64 Slicer version: 4.8.0 Has anyone else had trouble volume rendering using the GPU raycasting option? I’ve had this problem on two different machines (HP Pavillion 15 touch, intel i7-7700HQ, GTX 1…

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## [Resampling artifacts](https://discourse.slicer.org/t/resampling-artifacts/1369)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 1\
**Last updated:** [November 3, 2017, 11:58pm UTC](https://discourse.slicer.org/t/resampling-artifacts/1369 "2017-11-03T23:58:45Z")

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Now that I can actually use resample scalar volume, this was my real issue: I there are some strong artifacts that show up in the resample volume. Is there a way to deal with this? I tried using cosine bspline, WS as in…

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## [How to smooth a volume rendering](https://discourse.slicer.org/t/how-to-smooth-a-volume-rendering/1370)

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**Author:** [@AndFor](https://discourse.slicer.org/u/AndFor)\
**Replies:** 1\
**Last updated:** [November 3, 2017, 11:32pm UTC](https://discourse.slicer.org/t/how-to-smooth-a-volume-rendering/1370 "2017-11-03T23:32:45Z")

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Hello I’ve find some topics about Model surface smoothing, but nothing for smoothing a Volume in volume rendering Is possible?

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## [Is app store down?](https://discourse.slicer.org/t/is-app-store-down/1368)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 2\
**Last updated:** [November 3, 2017, 10:16pm UTC](https://discourse.slicer.org/t/is-app-store-down/1368 "2017-11-03T22:16:26Z")

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Extension manager hangs at 85% and doesn’t display any plugins. http://slicer.kitware.com/midas3/slicerappstore also times out for me.

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## [Segment editor - possible bug?](https://discourse.slicer.org/t/segment-editor-possible-bug/1366)

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**Author:** [@Valeria\_Vendries](https://discourse.slicer.org/u/Valeria_Vendries)\
**Replies:** 0\
**Last updated:** [November 3, 2017, 7:27pm UTC](https://discourse.slicer.org/t/segment-editor-possible-bug/1366 "2017-11-03T19:27:16Z")

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Hello, I am using the segment editor function and the system is crashing on me. After a long session of segmenting I tried to apply fill between slices and the system crashed and closed. I tried to restart my work but n…

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## [Crop volume using ellipse, rectangle, or freeform shape](https://discourse.slicer.org/t/crop-volume-using-ellipse-rectangle-or-freeform-shape/1363)

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**Author:** [@AndFor](https://discourse.slicer.org/u/AndFor)\
**Replies:** 1\
**Last updated:** [November 3, 2017, 3:43pm UTC](https://discourse.slicer.org/t/crop-volume-using-ellipse-rectangle-or-freeform-shape/1363 "2017-11-03T15:43:52Z")

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## [How to segment the invertebrate disc between L4 and L5?](https://discourse.slicer.org/t/how-to-segment-the-invertebrate-disc-between-l4-and-l5/1098)

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**Author:** [@deepmech](https://discourse.slicer.org/u/deepmech)\
**Replies:** 7\
**Last updated:** [October 11, 2017, 3:35am UTC](https://discourse.slicer.org/t/how-to-segment-the-invertebrate-disc-between-l4-and-l5/1098 "2017-10-11T03:35:28Z")

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whether it is cartilage or meniscus ? i tried in cartilage. when we use volume rendering for bone we use CT-AAA2 format what i should use for invertebrate disc. when we select the intensity/threshold for cartilage (…

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## [Two problems on segmentation and radiomics](https://discourse.slicer.org/t/two-problems-on-segmentation-and-radiomics/1354)

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**Author:** [@happyle](https://discourse.slicer.org/u/happyle)\
**Replies:** 7\
**Last updated:** [November 3, 2017, 10:44am UTC](https://discourse.slicer.org/t/two-problems-on-segmentation-and-radiomics/1354 "2017-11-03T10:44:14Z")

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Operating system:windows 7 Slicer version:3DSLICER 4.7.0 Expected behavior: First,how can i add some more features to the Radiomics ?like 75Percentile for example,as i notise there are only two Percentiles (90Percenti…

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## [How to add a .py file in Slicer?](https://discourse.slicer.org/t/how-to-add-a-py-file-in-slicer/1358)

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**Author:** [@shrimanti](https://discourse.slicer.org/u/shrimanti)\
**Replies:** 0\
**Last updated:** [November 2, 2017, 11:45pm UTC](https://discourse.slicer.org/t/how-to-add-a-py-file-in-slicer/1358 "2017-11-02T23:45:42Z")

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Hello, I wanted to calculate the angle between two ruler lines in Slicer. I found the AngleMeasurement.py file. But where should I put this file and I wanted to know the steps how to add that file in Slicer and how to …

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## [Replacing bone model in ultrasound simulator](https://discourse.slicer.org/t/replacing-bone-model-in-ultrasound-simulator/1348)

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**Author:** [@XUXIN\_ZENG](https://discourse.slicer.org/u/XUXIN_ZENG)\
**Replies:** 1\
**Last updated:** [November 1, 2017, 8:30pm UTC](https://discourse.slicer.org/t/replacing-bone-model-in-ultrasound-simulator/1348 "2017-11-01T20:30:20Z")

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Recently, I wanted to simulate ultrasound image from CT scan data. And then, I tried to replace the vessel model with a bone model in tracked ultrasound simulator. But the simulated bone ultrasound image seems more like …

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## [Transfer segmentation to same but differently cropped volume](https://discourse.slicer.org/t/transfer-segmentation-to-same-but-differently-cropped-volume/1340)

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**Author:** [@Clara\_Korting](https://discourse.slicer.org/u/Clara_Korting)\
**Replies:** 2\
**Last updated:** [November 1, 2017, 3:52pm UTC](https://discourse.slicer.org/t/transfer-segmentation-to-same-but-differently-cropped-volume/1340 "2017-11-01T15:52:13Z")

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Hi, I just started using 3D Slicer and have encountered a problem now that I couldn’t find an answer to yet. It would be great if someone has an idea how to solve it and help me. I started segmenting the muscles of the…

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## [Output of logical operations as a new segment](https://discourse.slicer.org/t/output-of-logical-operations-as-a-new-segment/1347)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 0\
**Last updated:** [November 1, 2017, 3:07pm UTC](https://discourse.slicer.org/t/output-of-logical-operations-as-a-new-segment/1347 "2017-11-01T15:07:34Z")

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I am wondering if you can add a feature to logical operations of segment editor, such that the output of the logical operation can itself be a new segment. As I have been using, Segment\_1 – Segment\_2 modifies the origi…

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## [Automated WM Lesion Detection Plug-in](https://discourse.slicer.org/t/automated-wm-lesion-detection-plug-in/1328)

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**Author:** [@CoopG](https://discourse.slicer.org/u/CoopG)\
**Replies:** 2\
**Last updated:** [November 1, 2017, 1:44pm UTC](https://discourse.slicer.org/t/automated-wm-lesion-detection-plug-in/1328 "2017-11-01T13:44:55Z")

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Hi folks. I have just joined slicer as I wanted to find an extension for automatic white matter lesion detection in T1 MR images. The paper below mentioned a plug-in for 3D Slicer but I cannot find it: http://cds.ismrm.…

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## [PlusServer Crashing during stealthlink image retrieval](https://discourse.slicer.org/t/plusserver-crashing-during-stealthlink-image-retrieval/1335)

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**Author:** [@denizjafari](https://discourse.slicer.org/u/denizjafari)\
**Replies:** 1\
**Last updated:** [October 31, 2017, 4:14pm UTC](https://discourse.slicer.org/t/plusserver-crashing-during-stealthlink-image-retrieval/1335 "2017-10-31T16:14:36Z")

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Operating system: Windows 10 Slicer version: 4.7.0 - 2017-07-26 Expected behavior: obtain dicom images from stealthstation Actual behavior: Plus server crashed. openIGT|347x500

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## [General Registration (BRAINS) descriptors or features used to make Affine Registration (12 DOF)](https://discourse.slicer.org/t/general-registration-brains-descriptors-or-features-used-to-make-affine-registration-12-dof/1331)

<div class="topic-metadata">

**Author:** [@Mohammed\_EL\_ADOUI](https://discourse.slicer.org/u/Mohammed_EL_ADOUI)\
**Replies:** 2\
**Last updated:** [October 31, 2017, 3:25pm UTC](https://discourse.slicer.org/t/general-registration-brains-descriptors-or-features-used-to-make-affine-registration-12-dof/1331 "2017-10-31T15:25:35Z")

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Operating system: Linux Slicer version: 4.5.0 Recently, I used 3D slicer to make co-registration between breast tumor images (MRI). I used the General Registration (BRAINS), in which I used the linear transform initial…

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## [Error With Converting RAS to IJK coordinates](https://discourse.slicer.org/t/error-with-converting-ras-to-ijk-coordinates/1319)

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**Author:** [@lpott005](https://discourse.slicer.org/u/lpott005)\
**Replies:** 6\
**Last updated:** [October 31, 2017, 1:56pm UTC](https://discourse.slicer.org/t/error-with-converting-ras-to-ijk-coordinates/1319 "2017-10-31T13:56:44Z")

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Hello Slicer Community, I was using this older post as a guide to convert RAS to IJK coordinates: http://slicer-devel-archive.65872.n3.nabble.com/Get-coordinates-from-Fiducials-td4034132.html But when I use “volumeNode…

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## [Convert 3D slicer into 3D solid body](https://discourse.slicer.org/t/convert-3d-slicer-into-3d-solid-body/1307)

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**Author:** [@111](https://discourse.slicer.org/u/111)\
**Replies:** 7\
**Last updated:** [October 30, 2017, 7:00pm UTC](https://discourse.slicer.org/t/convert-3d-slicer-into-3d-solid-body/1307 "2017-10-30T19:00:45Z")

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Hi my friends i need some help i want convert 3D stl into Solidwork solid body

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## [Some questions about Application settings](https://discourse.slicer.org/t/some-questions-about-application-settings/1314)

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**Author:** [@doc-xie](https://discourse.slicer.org/u/doc-xie)\
**Replies:** 2\
**Last updated:** [October 30, 2017, 6:40am UTC](https://discourse.slicer.org/t/some-questions-about-application-settings/1314 "2017-10-30T06:40:17Z")

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Hi,everyone,four questions: 1.After I downloaded some extentions,the modules are too much to been shown in one page.How can I switch to the next page or the rest modules? 2.When I setup the new version (4.7.0,2017-08-0…

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## [Export values from histogram?](https://discourse.slicer.org/t/export-values-from-histogram/1312)

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**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\
**Replies:** 2\
**Last updated:** [October 28, 2017, 1:13pm UTC](https://discourse.slicer.org/t/export-values-from-histogram/1312 "2017-10-28T13:13:51Z")

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Is there a way to export values from the histogram in the Volumes module? There are instances where I need to make a histogram in R or something to export for publication. If not, I was thinking of adding it - It looks …

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## [How can I change the position, color, and size of the measurement using ruler tool?](https://discourse.slicer.org/t/how-can-i-change-the-position-color-and-size-of-the-measurement-using-ruler-tool/1297)

<div class="topic-metadata">

**Author:** [@Ramttoong](https://discourse.slicer.org/u/Ramttoong)\
**Replies:** 1\
**Last updated:** [October 28, 2017, 11:06am UTC](https://discourse.slicer.org/t/how-can-i-change-the-position-color-and-size-of-the-measurement-using-ruler-tool/1297 "2017-10-28T11:06:46Z")

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How can I change the position, color, and size of the measurement using ruler tool? How to remove it?

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## [FE meshed models to be opened in 3D Slicer](https://discourse.slicer.org/t/fe-meshed-models-to-be-opened-in-3d-slicer/1311)

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**Author:** [@HarishRRao](https://discourse.slicer.org/u/HarishRRao)\
**Replies:** 3\
**Last updated:** [October 27, 2017, 11:18pm UTC](https://discourse.slicer.org/t/fe-meshed-models-to-be-opened-in-3d-slicer/1311 "2017-10-27T23:18:53Z")

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I intend to use 3D Slicer to generate patient specific models from CT/MRI as input. I have a FE meshed model already created in LS DYNA which I want to morph so I don’t have to go through the model and mesh generating pr…

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## [STL file created from segmentation is not smooth enough](https://discourse.slicer.org/t/stl-file-created-from-segmentation-is-not-smooth-enough/301)

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**Author:** [@Sarvraj\_Kohli](https://discourse.slicer.org/u/Sarvraj_Kohli)\
**Replies:** 1\
**Last updated:** [May 12, 2017, 11:35am UTC](https://discourse.slicer.org/t/stl-file-created-from-segmentation-is-not-smooth-enough/301 "2017-05-12T11:35:08Z")

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Thanks Andras. Your suggestion helped a lot and we were able to generate a 3D stl file. However a new issue has arisen. The stl file so obtained does not have a smooth surface. It is composed of blocks (like a pixelate…

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## [Measuring thickness](https://discourse.slicer.org/t/measuring-thickness/1259)

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**Author:** [@navid\_mosleminiya](https://discourse.slicer.org/u/navid_mosleminiya)\
**Replies:** 8\
**Last updated:** [October 27, 2017, 5:22pm UTC](https://discourse.slicer.org/t/measuring-thickness/1259 "2017-10-27T17:22:59Z")

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how can I measure thickness in every point of the object and report with a color map like this photo?

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## [Smother models for 3D Printing?](https://discourse.slicer.org/t/smother-models-for-3d-printing/1305)

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**Author:** [@Jeff](https://discourse.slicer.org/u/Jeff)\
**Replies:** 1\
**Last updated:** [October 27, 2017, 2:03pm UTC](https://discourse.slicer.org/t/smother-models-for-3d-printing/1305 "2017-10-27T14:03:26Z")

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1st… I have to say that I love this software. I’ve been using it to make STLs from CTs. Is there a way to get smoother models for 3D Printing? The models I’ve printed have a topographic map quality to them on large fl…

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## [What units does the reformat module use?](https://discourse.slicer.org/t/what-units-does-the-reformat-module-use/1268)

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**Author:** [@Masteling](https://discourse.slicer.org/u/Masteling)\
**Replies:** 5\
**Last updated:** [October 27, 2017, 2:02pm UTC](https://discourse.slicer.org/t/what-units-does-the-reformat-module-use/1268 "2017-10-27T14:02:17Z")

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Hi all, Our goal is to rotate the coronal plane to a specific angle X in relation to the axial plane. We would like to use the Reformat Module. Our question is: what are the units used in the Rotation Segment? If we wa…

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## [Cite the software in a course completion work](https://discourse.slicer.org/t/cite-the-software-in-a-course-completion-work/1303)

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**Author:** [@Velcis](https://discourse.slicer.org/u/Velcis)\
**Replies:** 1\
**Last updated:** [October 27, 2017, 1:42pm UTC](https://discourse.slicer.org/t/cite-the-software-in-a-course-completion-work/1303 "2017-10-27T13:42:38Z")

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I dont know if is the correct place, im not so good in english too but. My course completion work i used to generate the STL for printing. So i need to know the parameters to cite in my work, like copyright name, or so…

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## [BoneTextureExtension: Texture Analysis Work in Slicer](https://discourse.slicer.org/t/bonetextureextension-texture-analysis-work-in-slicer/1278)

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**Author:** [@bpaniagua](https://discourse.slicer.org/u/bpaniagua)\
**Replies:** 8\
**Last updated:** [October 27, 2017, 2:22am UTC](https://discourse.slicer.org/t/bonetextureextension-texture-analysis-work-in-slicer/1278 "2017-10-27T02:22:01Z")

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Dear Professor Beatriz: Sorry to bother you! I am really meeting some problems with 3DSlicer. May I ask you a few questions？ I want to use HeterogeneityCAD modules to obtain texture features, but it is not in the mod…

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## [Set the spin speed in 3D view](https://discourse.slicer.org/t/set-the-spin-speed-in-3d-view/1273)

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**Author:** [@doc-xie](https://discourse.slicer.org/u/doc-xie)\
**Replies:** 4\
**Last updated:** [October 26, 2017, 7:19am UTC](https://discourse.slicer.org/t/set-the-spin-speed-in-3d-view/1273 "2017-10-26T07:19:30Z")

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Hello everyone! Could the spin speed of the 3D view be set manually? In the Edit–Application settings–unit,set the value in frequency and velocity,there is not a little change about the spin speed. Thanks!

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## [Custom Events for VTK](https://discourse.slicer.org/t/custom-events-for-vtk/1286)

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**Author:** [@thomasyi17](https://discourse.slicer.org/u/thomasyi17)\
**Replies:** 2\
**Last updated:** [October 25, 2017, 8:28pm UTC](https://discourse.slicer.org/t/custom-events-for-vtk/1286 "2017-10-25T20:28:33Z")

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Hello, I was wondering if there is a convenient way to define custom vtk events (preferably at a high level) and thereafter attach a data payload to them? As an analogous example, the qt slider widget has a valueChange…

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## [Linux build issues](https://discourse.slicer.org/t/linux-build-issues/1284)

<div class="topic-metadata">

**Author:** [@dcantor](https://discourse.slicer.org/u/dcantor)\
**Replies:** 4\
**Last updated:** [October 25, 2017, 3:41pm UTC](https://discourse.slicer.org/t/linux-build-issues/1284 "2017-10-25T15:41:22Z")

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