# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=406

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

**Page:** 407

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## [Is XCode required to use Slicer on mac?](https://discourse.slicer.org/t/is-xcode-required-to-use-slicer-on-mac/4663)

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**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 2\
**Last updated:** [November 7, 2018, 7:39pm UTC](https://discourse.slicer.org/t/is-xcode-required-to-use-slicer-on-mac/4663 "2018-11-07T19:39:11Z")

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I was helping a clinical researcher to set up 4.10 on mac, and I ran into the message below. Installing XCode is a long step that I would not expect to be required to use Slicer. I don’t think XCode was required in the p…

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## [Combine 4D sequence volume and 3D volume](https://discourse.slicer.org/t/combine-4d-sequence-volume-and-3d-volume/4665)

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**Author:** [@M\_pavi](https://discourse.slicer.org/u/M_pavi)\
**Replies:** 2\
**Last updated:** [November 7, 2018, 4:13pm UTC](https://discourse.slicer.org/t/combine-4d-sequence-volume-and-3d-volume/4665 "2018-11-07T16:13:28Z")

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I have been trying to combine volume sequence cardiac data and the upper half of the body (3D volume). I want to put 4D sequence volume put into the body and fix the scene. I tried to using transform but it seems not or…

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## [Converting an STL file format to DICOM](https://discourse.slicer.org/t/converting-an-stl-file-format-to-dicom/4658)

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**Author:** [@philipm](https://discourse.slicer.org/u/philipm)\
**Replies:** 3\
**Last updated:** [November 7, 2018, 4:09pm UTC](https://discourse.slicer.org/t/converting-an-stl-file-format-to-dicom/4658 "2018-11-07T16:09:15Z")

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Hello all, I have an STL file used for 3D printing that originally came from a DICOM structure (RT structure set) that was contoured in Varian Eclipse software for radiation therapy treatment planning purposes. I was ho…

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## [How to Import cine-MRI Images](https://discourse.slicer.org/t/how-to-import-cine-mri-images/3716)

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**Author:** [@aginn](https://discourse.slicer.org/u/aginn)\
**Replies:** 1\
**Last updated:** [November 7, 2018, 3:36pm UTC](https://discourse.slicer.org/t/how-to-import-cine-mri-images/3716 "2018-11-07T15:36:05Z")

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Hi all, I’m new to 3D Slicer. I’ve worked with CT images before, but I downloaded some datasets from The Cardiac Atlas Project (i.e. Sunnybrook Cardiac Data) and the data appear to be from cine-MRI. When I tried to imp…

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## [Slicer VR problems](https://discourse.slicer.org/t/slicer-vr-problems/4661)

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**Author:** [@M\_pavi](https://discourse.slicer.org/u/M_pavi)\
**Replies:** 5\
**Last updated:** [November 7, 2018, 3:25am UTC](https://discourse.slicer.org/t/slicer-vr-problems/4661 "2018-11-07T03:25:49Z")

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I am new to 3D slicer VR. I could able to render view but seems I can’t do any customization to change settings. I did change background color but I want to create VR space and fix the object and saved VR scene. Is ther…

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## [Cli modules at Slicer vs built Slicer](https://discourse.slicer.org/t/cli-modules-at-slicer-vs-built-slicer/4618)

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**Author:** [@siaeleni](https://discourse.slicer.org/u/siaeleni)\
**Replies:** 3\
**Last updated:** [November 6, 2018, 5:26pm UTC](https://discourse.slicer.org/t/cli-modules-at-slicer-vs-built-slicer/4618 "2018-11-06T17:26:51Z")

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Hi All, I am trying to run a CLI module from python: cliNode = slicer.cli.run( slicer.modules.linemarkerregistration, None, parameters, True) When I am running that on Slicer that I build, seems that I get the desired…

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## [Runtime errors due to failure to create temp folder](https://discourse.slicer.org/t/runtime-errors-due-to-failure-to-create-temp-folder/4644)

<div class="topic-metadata">

**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\
**Replies:** 2\
**Last updated:** [November 6, 2018, 5:11pm UTC](https://discourse.slicer.org/t/runtime-errors-due-to-failure-to-create-temp-folder/4644 "2018-11-06T17:11:36Z")

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I was helping a user who was not able to run certain functionality, and in the end it boiled down to failure to access the temp folder. This was with the latest nightly. Looking at the critical errors in the error log …

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## [After ACPC registration - reset origin to MCP?](https://discourse.slicer.org/t/after-acpc-registration-reset-origin-to-mcp/4647)

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**Author:** [@cboulay](https://discourse.slicer.org/u/cboulay)\
**Replies:** 1\
**Last updated:** [November 6, 2018, 4:47pm UTC](https://discourse.slicer.org/t/after-acpc-registration-reset-origin-to-mcp/4647 "2018-11-06T16:47:51Z")

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Hello. What is the recommended way to reset the origin to MCP after doing ACPC transform? So far I’ve been calculating the average coordinates of AC and PC, then creating a Linear Transform that is simply a negative tra…

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## [Error Trying to Set Background Volume to a Slice Node in Slicelet](https://discourse.slicer.org/t/error-trying-to-set-background-volume-to-a-slice-node-in-slicelet/4638)

<div class="topic-metadata">

**Author:** [@bsmarine](https://discourse.slicer.org/u/bsmarine)\
**Replies:** 7\
**Last updated:** [November 6, 2018, 3:12am UTC](https://discourse.slicer.org/t/error-trying-to-set-background-volume-to-a-slice-node-in-slicelet/4638 "2018-11-06T03:12:18Z")

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Operating system: MacOS 10.13.4 Slicer version: 4.9.0 nightly 2018-8-10 Expected behavior: Ability to set a composite node of a sliceNode to a particular background volume Actual behavior: ‘NoneType’ object has no att…

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## [Smoothing without decreasing size](https://discourse.slicer.org/t/smoothing-without-decreasing-size/4641)

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**Author:** [@Rea2](https://discourse.slicer.org/u/Rea2)\
**Replies:** 1\
**Last updated:** [November 5, 2018, 5:27pm UTC](https://discourse.slicer.org/t/smoothing-without-decreasing-size/4641 "2018-11-05T17:27:10Z")

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Operating system: Windows Slicer version: 4.8.1 I’m trying to smooth my segmented object (cartilage layers of femur and acetabulum), but it’s size is considerably reduced when doing so. Is there a way to prevent it fro…

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## [I cannot find fastgrowcut extension in latest version 4.11.](https://discourse.slicer.org/t/i-cannot-find-fastgrowcut-extension-in-latest-version-4-11/4640)

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**Author:** [@Chen\_Bangbin](https://discourse.slicer.org/u/Chen_Bangbin)\
**Replies:** 2\
**Last updated:** [November 5, 2018, 4:44pm UTC](https://discourse.slicer.org/t/i-cannot-find-fastgrowcut-extension-in-latest-version-4-11/4640 "2018-11-05T16:44:30Z")

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I just installed latest 3d slicer version 4.11, but cannot find fastgrocut extension. Is ‘‘fastgrowcut’’ extension deleted from the latest version? I am using mac version. Thank you for your help!

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## [MatlabBridge assign new gray-level value](https://discourse.slicer.org/t/matlabbridge-assign-new-gray-level-value/4632)

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**Author:** [@TingtingYu](https://discourse.slicer.org/u/TingtingYu)\
**Replies:** 0\
**Last updated:** [November 5, 2018, 4:45am UTC](https://discourse.slicer.org/t/matlabbridge-assign-new-gray-level-value/4632 "2018-11-05T04:45:16Z")

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Hi, I am trying to use MatlabBridge to convert 16-bit CT image to 8-bit CT Image. The new gray-level value within ROI have been calculated. However, I am not sure how many member struct inputParams has. Which member can…

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## [Getting ExtensionStats by date?](https://discourse.slicer.org/t/getting-extensionstats-by-date/4622)

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**Author:** [@gcsharp](https://discourse.slicer.org/u/gcsharp)\
**Replies:** 1\
**Last updated:** [November 2, 2018, 10:04pm UTC](https://discourse.slicer.org/t/getting-extensionstats-by-date/4622 "2018-11-02T22:04:28Z")

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Hi, Is it possible to use ExtensionStats and get statistics by download date rather than release version? Greg

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## [Builtin web browser](https://discourse.slicer.org/t/builtin-web-browser/4613)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 5\
**Last updated:** [November 1, 2018, 7:26pm UTC](https://discourse.slicer.org/t/builtin-web-browser/4613 "2018-11-01T19:26:24Z")

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I believe there is a web browser built into Slicer. Is it possible to invoke a URL from a python interactor and popup a window? I want to test if a user can interactively authenticate to a data repository we want to supp…

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## [Transfering transformed RAS cordinates to fscv/excel](https://discourse.slicer.org/t/transfering-transformed-ras-cordinates-to-fscv-excel/4591)

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**Author:** [@Melanie](https://discourse.slicer.org/u/Melanie)\
**Replies:** 8\
**Last updated:** [November 1, 2018, 4:16pm UTC](https://discourse.slicer.org/t/transfering-transformed-ras-cordinates-to-fscv-excel/4591 "2018-11-01T16:16:30Z")

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Hi All, sorry I am posting again. I use 3 D slicer for tracking bones during joint motion. I am using 4.9 nightly. My main question is I am trying to extract world coordinates for transformed volumes off the screen. I t…

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## [Synchronize display scale across slice viewers](https://discourse.slicer.org/t/synchronize-display-scale-across-slice-viewers/4547)

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**Author:** [@stephan](https://discourse.slicer.org/u/stephan)\
**Replies:** 4\
**Last updated:** [November 1, 2018, 2:24pm UTC](https://discourse.slicer.org/t/synchronize-display-scale-across-slice-viewers/4547 "2018-11-01T14:24:49Z")

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Hi, is there a quick way to synchronize the zoom factor across slice viewers? Thanks Stephan

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## [STL files - centreline estimations](https://discourse.slicer.org/t/stl-files-centreline-estimations/4609)

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**Author:** [@Jarka](https://discourse.slicer.org/u/Jarka)\
**Replies:** 3\
**Last updated:** [November 1, 2018, 11:38am UTC](https://discourse.slicer.org/t/stl-files-centreline-estimations/4609 "2018-11-01T11:38:14Z")

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Dear Users/Slicer team, I was wondering if 3D Slicer can be used to upload .STL files for the estimation of blood vessel centrelines? Thank you, Jarka

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## [3d slicer 4.10.0 GUI can not display correctly](https://discourse.slicer.org/t/3d-slicer-4-10-0-gui-can-not-display-correctly/4584)

<div class="topic-metadata">

**Author:** [@morewd](https://discourse.slicer.org/u/morewd)\
**Replies:** 6\
**Last updated:** [November 1, 2018, 5:28am UTC](https://discourse.slicer.org/t/3d-slicer-4-10-0-gui-can-not-display-correctly/4584 "2018-11-01T05:28:54Z")

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Operating system:win10 professional 1803 with latest update Slicer version:4.10.0 Expected behavior: normal GUI display with “file”,“edit”,“view”,“help” menu bars. Actual behavior:when open 3d slicer 4.10.0 , there a…

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## [Landmark registration module (ab)usage](https://discourse.slicer.org/t/landmark-registration-module-ab-usage/4597)

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**Author:** [@zivy](https://discourse.slicer.org/u/zivy)\
**Replies:** 4\
**Last updated:** [October 31, 2018, 6:41pm UTC](https://discourse.slicer.org/t/landmark-registration-module-ab-usage/4597 "2018-10-31T18:41:49Z")

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I would like to (ab)use the landmark registration module. I have two volumes and corresponding point pairs in each. I want to load the data and then use the landmark registration’s “Refine landmark” functionality. Is the…

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## [Slicer 4.10.0 starts up no more after closing unexpectedly](https://discourse.slicer.org/t/slicer-4-10-0-starts-up-no-more-after-closing-unexpectedly/4590)

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**Author:** [@stephan](https://discourse.slicer.org/u/stephan)\
**Replies:** 11\
**Last updated:** [October 31, 2018, 2:23pm UTC](https://discourse.slicer.org/t/slicer-4-10-0-starts-up-no-more-after-closing-unexpectedly/4590 "2018-10-31T14:23:15Z")

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Slicer 4.10.0 Windows 7, 64 bit Hi everybody, this morning I run into the same issue twice, but I still have to figure out how to reproduce it exactly. As of now, I just wanted to ask if anybody has experienced someth…

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## [Problem With DVH Calculation](https://discourse.slicer.org/t/problem-with-dvh-calculation/4569)

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**Author:** [@MeryMB](https://discourse.slicer.org/u/MeryMB)\
**Replies:** 11\
**Last updated:** [October 31, 2018, 1:20pm UTC](https://discourse.slicer.org/t/problem-with-dvh-calculation/4569 "2018-10-31T13:20:33Z")

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Hi Dear 3DSlicerc Developer and User I want to re-calculate DVH for TPS Plan with 3D Slicer. I export CT, RTDose and RTStruct from ISOgray TPS and use them as input files for 3D Slicer for DVH calculation. Based on th…

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## [Can single DSA Dicom file be used for 3D reconstruction and viewed in 3D window？](https://discourse.slicer.org/t/can-single-dsa-dicom-file-be-used-for-3d-reconstruction-and-viewed-in-3d-window/4598)

<div class="topic-metadata">

**Author:** [@cyufu](https://discourse.slicer.org/u/cyufu)\
**Replies:** 1\
**Last updated:** [October 31, 2018, 1:48am UTC](https://discourse.slicer.org/t/can-single-dsa-dicom-file-be-used-for-3d-reconstruction-and-viewed-in-3d-window/4598 "2018-10-31T01:48:20Z")

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The animation in red window was made by single DSA Dicom file . I am wondering whether this kind of data , copied from DSA work station , can be used for 3D reconstruction and viewed in 3D window. thanks Caoyufu

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## [3D slicer 4.10 can't load structures](https://discourse.slicer.org/t/3d-slicer-4-10-cant-load-structures/4593)

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**Author:** [@aseman](https://discourse.slicer.org/u/aseman)\
**Replies:** 5\
**Last updated:** [October 30, 2018, 9:08pm UTC](https://discourse.slicer.org/t/3d-slicer-4-10-cant-load-structures/4593 "2018-10-30T21:08:49Z")

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Operating system:windows 10 Slicer version:4.10 Hi 3D slicer experts and all I installed 3D Slicer 4.10 ; but unfortunately , when I load structures the following error message is shown.(figure 1) ; and the CT images …

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## [Build Slicer 4.10 with Qt5 and VTK 8 on WIndows 10 using VS2015](https://discourse.slicer.org/t/build-slicer-4-10-with-qt5-and-vtk-8-on-windows-10-using-vs2015/4572)

<div class="topic-metadata">

**Author:** [@brhoom](https://discourse.slicer.org/u/brhoom)\
**Replies:** 8\
**Last updated:** [October 30, 2018, 6:28pm UTC](https://discourse.slicer.org/t/build-slicer-4-10-with-qt5-and-vtk-8-on-windows-10-using-vs2015/4572 "2018-10-30T18:28:59Z")

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It seems the instruction page and the qt easy build need an update. I could not find a working-script to build Qt5 with ssl support. Does anyone build Slicer with the above configuration successfully?

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## [Assembling a whole human body](https://discourse.slicer.org/t/assembling-a-whole-human-body/1402)

<div class="topic-metadata">

**Author:** [@Van\_Sy](https://discourse.slicer.org/u/Van_Sy)\
**Replies:** 21\
**Last updated:** [October 30, 2018, 5:20am UTC](https://discourse.slicer.org/t/assembling-a-whole-human-body/1402 "2018-10-30T05:20:50Z")

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Hello everyone, I wonder that "Slicer can export a whole body human at one time, including: bone, lung, heart, skin? Can you help me? Because, I try to make a solid human model to research. Thank you so much,

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## [Get information from vtk model](https://discourse.slicer.org/t/get-information-from-vtk-model/4571)

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**Author:** [@siaeleni](https://discourse.slicer.org/u/siaeleni)\
**Replies:** 2\
**Last updated:** [October 29, 2018, 8:31pm UTC](https://discourse.slicer.org/t/get-information-from-vtk-model/4571 "2018-10-29T20:31:05Z")

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Hello, I am trying to get information from a vtk model that I load at Slicer. More specifically I have a vtk model, (two cylinders) that I import it at Slicer and I want to find the center of each one in RAS. Is there a…

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## [How set output volume from segmentation effects](https://discourse.slicer.org/t/how-set-output-volume-from-segmentation-effects/4548)

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**Author:** [@kayarre](https://discourse.slicer.org/u/kayarre)\
**Replies:** 6\
**Last updated:** [October 29, 2018, 7:24pm UTC](https://discourse.slicer.org/t/how-set-output-volume-from-segmentation-effects/4548 "2018-10-29T19:24:32Z")

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I am trying to specify the output of the “Mask Volume” effect how can I specify the input and output volumes ? assuming I don’t want to use the master as input and I don’t know how to set the output? e.g. segmentEdit…

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## [Brain cortical surface reconstruction with blood vessel](https://discourse.slicer.org/t/brain-cortical-surface-reconstruction-with-blood-vessel/4567)

<div class="topic-metadata">

**Author:** [@ljc19800331](https://discourse.slicer.org/u/ljc19800331)\
**Replies:** 1\
**Last updated:** [October 29, 2018, 4:03pm UTC](https://discourse.slicer.org/t/brain-cortical-surface-reconstruction-with-blood-vessel/4567 "2018-10-29T16:03:46Z")

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Operating system: Ubuntu 16.04 and Windows 10 Slicer version: 4.9 Expected behavior: Brain 3D reconstruction with blood vessel Actual behavior: Hello, I am wondering if there is a better way to generate the brain cor…

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## [Anyone using Radeon Pro Duo with Slicer?](https://discourse.slicer.org/t/anyone-using-radeon-pro-duo-with-slicer/4538)

<div class="topic-metadata">

**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 4\
**Last updated:** [October 29, 2018, 5:22am UTC](https://discourse.slicer.org/t/anyone-using-radeon-pro-duo-with-slicer/4538 "2018-10-29T05:22:48Z")

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Hi, I am interested in this card, primarily for the large amount VRAM (2x16GB) it offers. My previous experience with AMD cards was less than ideal, but that was almost 10 years ago. https://www.amd.com/en/products/pro…

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## [Brain anatomical surface reconstruction with venous and artery structure ](https://discourse.slicer.org/t/brain-anatomical-surface-reconstruction-with-venous-and-artery-structure/4568)

<div class="topic-metadata">

**Author:** [@ljc19800331](https://discourse.slicer.org/u/ljc19800331)\
**Replies:** 0\
**Last updated:** [October 29, 2018, 3:24am UTC](https://discourse.slicer.org/t/brain-anatomical-surface-reconstruction-with-venous-and-artery-structure/4568 "2018-10-29T03:24:00Z")

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Operating system: Ubuntu 16.04 and Windows 10 Slicer version: 4.8.1 Expected behavior: 3D cortical surface reconstruction Actual behavior:

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