# Support **URL:** https://discourse.slicer.org/c/support/11.md?page=443 [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) **Page:** 444 --- ## [No nightly Mac binary since August 1](https://discourse.slicer.org/t/no-nightly-mac-binary-since-august-1/836)
**Author:** [@fedorov](https://discourse.slicer.org/u/fedorov)\ **Replies:** 11\ **Last updated:** [August 10, 2017, 7:00pm UTC](https://discourse.slicer.org/t/no-nightly-mac-binary-since-august-1/836 "2017-08-10T19:00:28Z")
I downloaded Slicer nightly today, and noticed it is dated Aug 1. Looking at the dashboard, there is not even an attempt to build on Mac starting August 5. On Aug 4 the dashboard is red: On Aug 3 there is an error … --- ## [How to use masking in Segment editor](https://discourse.slicer.org/t/how-to-use-masking-in-segment-editor/852)
**Author:** [@tlooms](https://discourse.slicer.org/u/tlooms)\ **Replies:** 1\ **Last updated:** [August 10, 2017, 2:30am UTC](https://discourse.slicer.org/t/how-to-use-masking-in-segment-editor/852 "2017-08-10T02:30:11Z")
Hello, I have been working with the Segment Editor and Segmentation with good success. I am very new to 3D Slicer and wondered if there was a tutorial that would show how the segments (circles) were drawn in Slide 19… --- ## [Change GPU rendering parameters from pythonconsole](https://discourse.slicer.org/t/change-gpu-rendering-parameters-from-pythonconsole/848)
**Author:** [@tkuraku](https://discourse.slicer.org/u/tkuraku)\ **Replies:** 1\ **Last updated:** [August 9, 2017, 6:12pm UTC](https://discourse.slicer.org/t/change-gpu-rendering-parameters-from-pythonconsole/848 "2017-08-09T18:12:27Z")
Hi, I would like to change the Rendering to “VTK GPU Ray Casting” as well as manipulate the “GPU Memory Size”, “Quality Control”, and “Interactive Speed” from python. Can someone help me do this? thank you! --- ## [Can I superimpose two different CT data (not two models)?](https://discourse.slicer.org/t/can-i-superimpose-two-different-ct-data-not-two-models/845)
**Author:** [@Ramttoong](https://discourse.slicer.org/u/Ramttoong)\ **Replies:** 1\ **Last updated:** [August 9, 2017, 2:01pm UTC](https://discourse.slicer.org/t/can-i-superimpose-two-different-ct-data-not-two-models/845 "2017-08-09T14:01:10Z")
Can I superimpose two different CT data (not two models) ? --- ## [Fetal lung volume calculation](https://discourse.slicer.org/t/fetal-lung-volume-calculation/578)
**Author:** [@Egor](https://discourse.slicer.org/u/Egor)\ **Replies:** 7\ **Last updated:** [August 7, 2017, 7:10am UTC](https://discourse.slicer.org/t/fetal-lung-volume-calculation/578 "2017-08-07T07:10:46Z")
What module should I use to calculate the volume of the fetal lungs? Is there any guide for it? I want to measure it by subtracting mediastinal volume from total thoracic volume. --- ## [Segment edit creat surface does work for inner ear segmentation](https://discourse.slicer.org/t/segment-edit-creat-surface-does-work-for-inner-ear-segmentation/830)
**Author:** [@yakeworld](https://discourse.slicer.org/u/yakeworld)\ **Replies:** 4\ **Last updated:** [August 6, 2017, 9:53am UTC](https://discourse.slicer.org/t/segment-edit-creat-surface-does-work-for-inner-ear-segmentation/830 "2017-08-06T09:53:58Z")
When we use the Editor module to segment inner ear from CT data,it works well.But when using the segment edit module,the 3D view by creat surface is quite different from the stl module create by Editor module. I find th… --- ## [Flood filling question](https://discourse.slicer.org/t/flood-filling-question/822)
**Author:** [@hherhold](https://discourse.slicer.org/u/hherhold)\ **Replies:** 3\ **Last updated:** [August 5, 2017, 7:13pm UTC](https://discourse.slicer.org/t/flood-filling-question/822 "2017-08-05T19:13:39Z")
Does flood filling work on 16-bit data? For some of my datasets, the intensity tolerance maximum of 1000 might be a little small, and flood filling doesn’t seem to do anything. I’ve checked intensity values using the dat… --- ## [Building an existing extension](https://discourse.slicer.org/t/building-an-existing-extension/815)
**Author:** [@crossmanith](https://discourse.slicer.org/u/crossmanith)\ **Replies:** 3\ **Last updated:** [August 4, 2017, 1:02pm UTC](https://discourse.slicer.org/t/building-an-existing-extension/815 "2017-08-04T13:02:08Z")
Operating system : Linux 4.4.25-040425-generic (Ubuntu 16.04.2 LTS) Slicer version : Slicer-4.7.0-2017-07-10-linux-amd64 Expected behavior : - Actual behavior : - DTIProcess is available as extension for Slicer bu… --- ## [Output from segmentation](https://discourse.slicer.org/t/output-from-segmentation/818)
**Author:** [@Kang\_Wang](https://discourse.slicer.org/u/Kang_Wang)\ **Replies:** 5\ **Last updated:** [August 3, 2017, 9:35pm UTC](https://discourse.slicer.org/t/output-from-segmentation/818 "2017-08-03T21:35:47Z")
Operating system : Mac OS Slicer version : 4.62 Expected behavior : Actual behavior : image volume mismatch Hi, I am new the 3D slicer, basically i use segmentation editor to create manual segmentation and then … --- ## [Distance measurement and rendering of microscopy images](https://discourse.slicer.org/t/distance-measurement-and-rendering-of-microscopy-images/791)
**Author:** [@AJ\_ZHU](https://discourse.slicer.org/u/AJ_ZHU)\ **Replies:** 10\ **Last updated:** [August 3, 2017, 4:31am UTC](https://discourse.slicer.org/t/distance-measurement-and-rendering-of-microscopy-images/791 "2017-08-03T04:31:58Z")
Hi again I am new so please forgive whatever I show in a silly way. So while I use the spatial bar, if image-spacing was set as 1mm, no problem to display slices and record movies. But if I set the imaging-spacing as 0.… --- ## [Problem with sagittal and coronal view from CCTA DICOM files](https://discourse.slicer.org/t/problem-with-sagittal-and-coronal-view-from-ccta-dicom-files/716)
**Author:** [@Young\_Jin\_Youn](https://discourse.slicer.org/u/Young_Jin_Youn)\ **Replies:** 15\ **Last updated:** [August 3, 2017, 12:57am UTC](https://discourse.slicer.org/t/problem-with-sagittal-and-coronal-view-from-ccta-dicom-files/716 "2017-08-03T00:57:05Z")
Hi? I’ve loaded DICOM images acquired from CCTA. As you can see below images, sagittal and coronal views look like compressed (not real thickness) when using 3D slicing. But those views are normal when using InVesalius… --- ## [Flood filling segment editor effect does not fill the image](https://discourse.slicer.org/t/flood-filling-segment-editor-effect-does-not-fill-the-image/806)
**Author:** [@doc-xie](https://discourse.slicer.org/u/doc-xie)\ **Replies:** 1\ **Last updated:** [August 2, 2017, 1:03pm UTC](https://discourse.slicer.org/t/flood-filling-segment-editor-effect-does-not-fill-the-image/806 "2017-08-02T13:03:33Z")
Hello professor! About the Flood filling,why the function can not run correctly after i paint the ROI,the image have not any reaction. For example,I paint the ROI(not sphere brush) of hemotoma on an CT scan of ICH firs… --- ## [Launch slicer from the command line with an argument to load a file](https://discourse.slicer.org/t/launch-slicer-from-the-command-line-with-an-argument-to-load-a-file/796)
**Author:** [@tkuraku](https://discourse.slicer.org/u/tkuraku)\ **Replies:** 3\ **Last updated:** [August 1, 2017, 4:26pm UTC](https://discourse.slicer.org/t/launch-slicer-from-the-command-line-with-an-argument-to-load-a-file/796 "2017-08-01T16:26:22Z")
I would like to be able to launch slicer via command line (from python) and have it automatically load and display a specified nrrd file. Is this possible? I searched some of the documentation but I couldn’t quite find w… --- ## [Brief history of slicer?](https://discourse.slicer.org/t/brief-history-of-slicer/774)
**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\ **Replies:** 2\ **Last updated:** [July 28, 2017, 2:59pm UTC](https://discourse.slicer.org/t/brief-history-of-slicer/774 "2017-07-28T14:59:08Z")
I am working on a proposal and needed a brief history of Slicer (or even when Slicer came into existence as a product distinct from its components). I am surprised this information is not readily available in the about l… --- ## [CT grey/white matter segmenation](https://discourse.slicer.org/t/ct-grey-white-matter-segmenation/773)
**Author:** [@hph10128](https://discourse.slicer.org/u/hph10128)\ **Replies:** 1\ **Last updated:** [July 27, 2017, 1:46pm UTC](https://discourse.slicer.org/t/ct-grey-white-matter-segmenation/773 "2017-07-27T13:46:03Z")
Hi all, I have perfusion CT maps that I registered to 24 hour post-op CTs. My end goal is to segment grey and white matter in both the perfusion and post-op CTs. I attempted to use the EM segmentation module for MRI seg… --- ## [Re-editing the model](https://discourse.slicer.org/t/re-editing-the-model/770)
**Author:** [@Albert\_Lee](https://discourse.slicer.org/u/Albert_Lee)\ **Replies:** 6\ **Last updated:** [July 27, 2017, 12:44am UTC](https://discourse.slicer.org/t/re-editing-the-model/770 "2017-07-27T00:44:04Z")
I am beginner in using 3D slicer and would like to use it in buidling 3D model for numerical analysis. What I want to do is virtual surgery, so I have to make a preoperative model and then remove different parts of this… --- ## ["open" STL mesh for use in CFD & FSI simulations](https://discourse.slicer.org/t/open-stl-mesh-for-use-in-cfd-fsi-simulations/748)
**Author:** [@mitenp](https://discourse.slicer.org/u/mitenp)\ **Replies:** 3\ **Last updated:** [July 24, 2017, 12:38am UTC](https://discourse.slicer.org/t/open-stl-mesh-for-use-in-cfd-fsi-simulations/748 "2017-07-24T00:38:29Z")
Hi, Am looking to generate STL of carotid artery with open ends. 3DSlicer STL has the ends closed. Have seen technique using “Margin” etc to add wall thickness. However, this is more suitable for printing the artery ve… --- ## [Landmark registration won't allow selection of point in Coronal or Axial view, but allows it in Saggital](https://discourse.slicer.org/t/landmark-registration-wont-allow-selection-of-point-in-coronal-or-axial-view-but-allows-it-in-saggital/749)
**Author:** [@aharris](https://discourse.slicer.org/u/aharris)\ **Replies:** 1\ **Last updated:** [July 23, 2017, 4:35pm UTC](https://discourse.slicer.org/t/landmark-registration-wont-allow-selection-of-point-in-coronal-or-axial-view-but-allows-it-in-saggital/749 "2017-07-23T16:35:44Z")
Hi, I’m currently trying to do a landmark transform on a 3D image to compare the time it takes me to do this with my automated pipeline in ITK. The problem I’m having is moving the selected point in the moving image to… --- ## [Low frame rate of real-time ultrasound image display](https://discourse.slicer.org/t/low-frame-rate-of-real-time-ultrasound-image-display/611)
**Author:** [@Fatemeh\_Salehi](https://discourse.slicer.org/u/Fatemeh_Salehi)\ **Replies:** 8\ **Last updated:** [July 23, 2017, 11:53am UTC](https://discourse.slicer.org/t/low-frame-rate-of-real-time-ultrasound-image-display/611 "2017-07-23T11:53:30Z")
Hello! I'm really interested in using your plus application and slicerIGT and also read most of your manual guide files but unfortunately i have a problem in my first step.I want to use telemed for record data and whe… --- ## [Ukftractography](https://discourse.slicer.org/t/ukftractography/693)
**Author:** [@ElvaChen](https://discourse.slicer.org/u/ElvaChen)\ **Replies:** 5\ **Last updated:** [July 22, 2017, 10:19am UTC](https://discourse.slicer.org/t/ukftractography/693 "2017-07-22T10:19:04Z")
Operating system: Linux Slicer version: 4.5.0-1 Hi: I wonder if there is any way to view the saved output of free water fraction (free water imaging volume) in UKF? I use Slicer version 4.5.0-1. Thanks. Elva --- ## [Looking For Defective\\glitched 3d Prints For Art Project](https://discourse.slicer.org/t/looking-for-defective-glitched-3d-prints-for-art-project/729)
**Author:** [@Emilio\_Vavarella](https://discourse.slicer.org/u/Emilio_Vavarella)\ **Replies:** 2\ **Last updated:** [July 21, 2017, 12:38pm UTC](https://discourse.slicer.org/t/looking-for-defective-glitched-3d-prints-for-art-project/729 "2017-07-21T12:38:02Z")
Hello, Does anyone have any defective 3D prints? I’m interested in all kind of models that failed during the printing process, and I’m interested in already printed models, not in digital 3D models designed following s… --- ## [Intrasubject Brain preoperative MRI to postoperative CT registration](https://discourse.slicer.org/t/intrasubject-brain-preoperative-mri-to-postoperative-ct-registration/730)
**Author:** [@JNPS](https://discourse.slicer.org/u/JNPS)\ **Replies:** 2\ **Last updated:** [July 21, 2017, 7:18am UTC](https://discourse.slicer.org/t/intrasubject-brain-preoperative-mri-to-postoperative-ct-registration/730 "2017-07-21T07:18:28Z")
Hey everyone, I am looking for the best way to Register intrasubject preoperative T1 MRI to T2 MRI of the brain Register a postoperative CT (DBS-electrodes) to the coregistered preoperative MRI of the same subject St… --- ## [Change CT intensity after Reslice](https://discourse.slicer.org/t/change-ct-intensity-after-reslice/711)
**Author:** [@Francesco\_Sammartino](https://discourse.slicer.org/u/Francesco_Sammartino)\ **Replies:** 5\ **Last updated:** [July 20, 2017, 8:40pm UTC](https://discourse.slicer.org/t/change-ct-intensity-after-reslice/711 "2017-07-20T20:40:22Z")
Operating system:Linux 64bit Slicer version:4.7.0-2017-03-21 Expected behavior: Actual behavior: --- ## [Improving Image Resolution for 3D Modeling with GrowCut](https://discourse.slicer.org/t/improving-image-resolution-for-3d-modeling-with-growcut/662)
**Author:** [@victoria.rose](https://discourse.slicer.org/u/victoria.rose)\ **Replies:** 4\ **Last updated:** [July 20, 2017, 1:39pm UTC](https://discourse.slicer.org/t/improving-image-resolution-for-3d-modeling-with-growcut/662 "2017-07-20T13:39:51Z")
Slicer version: 4.7.0 I have high and low resolution images of patients and want to make 3D models of their semi-circular canals (low resolution image seen below; small bony structure consisting of three perpendicular, … --- ## [UKF fit finishes then slicer crashes](https://discourse.slicer.org/t/ukf-fit-finishes-then-slicer-crashes/691)
**Author:** [@mrjeffs](https://discourse.slicer.org/u/mrjeffs)\ **Replies:** 14\ **Last updated:** [July 19, 2017, 12:12am UTC](https://discourse.slicer.org/t/ukf-fit-finishes-then-slicer-crashes/691 "2017-07-19T00:12:48Z")
i ran into this error both on Ubuntu 16.04 and 14.04. UKF inputs are a 64 direction 2 shell b=2000 and 800 dwi and a whole brain mask. here is the terminal output: toddr@uhora:~/Software/Slicer-4.7.0-2017-06-03-linux-a… --- ## [Viewing an FA image](https://discourse.slicer.org/t/viewing-an-fa-image/668)
**Author:** [@Rewati\_Kulkarni](https://discourse.slicer.org/u/Rewati_Kulkarni)\ **Replies:** 9\ **Last updated:** [July 14, 2017, 5:12pm UTC](https://discourse.slicer.org/t/viewing-an-fa-image/668 "2017-07-14T17:12:08Z")
Operating system: Mac OSX 10.9.5 Slicer version: 4.7.0 Expected behavior: Actual behavior: I have a greyscale Fractional Anisotropy (FA) image, and I want to view it in RGB colour scheme, with white matter tract orie… --- ## [Stereoscopic settings](https://discourse.slicer.org/t/stereoscopic-settings/688)
**Author:** [@phil.dunn](https://discourse.slicer.org/u/phil.dunn)\ **Replies:** 1\ **Last updated:** [July 14, 2017, 2:02pm UTC](https://discourse.slicer.org/t/stereoscopic-settings/688 "2017-07-14T14:02:35Z")
Hi, is there a way of changing the stereoscopic settings when viewing a 3D render in openGL mode? This would probably include changing the effective eye separation (or convergance angle), possibly setting the screen size… --- ## [Python - Get Node copy to Modify](https://discourse.slicer.org/t/python-get-node-copy-to-modify/687)
**Author:** [@Filipe\_Trocado\_Ferre](https://discourse.slicer.org/u/Filipe_Trocado_Ferre)\ **Replies:** 5\ **Last updated:** [July 14, 2017, 1:04pm UTC](https://discourse.slicer.org/t/python-get-node-copy-to-modify/687 "2017-07-14T13:04:35Z")
I want to modify a copy of the input node and output it. I'm not being able to do that without modifying the input node. How to make a copy? --- ## [Separate annotations for each slice](https://discourse.slicer.org/t/separate-annotations-for-each-slice/656)
**Author:** [@pyhat](https://discourse.slicer.org/u/pyhat)\ **Replies:** 4\ **Last updated:** [July 13, 2017, 5:53pm UTC](https://discourse.slicer.org/t/separate-annotations-for-each-slice/656 "2017-07-13T17:53:55Z")
Operating system: Linux Slicer version: 4.6.2 When in the editor module to do slice annotations, I've noticed the same annotation is used for several slices, and when I change it on one slice, the others on the neighbo… --- ## [DTIs with multiple images per slice](https://discourse.slicer.org/t/dtis-with-multiple-images-per-slice/673)
**Author:** [@snaughton](https://discourse.slicer.org/u/snaughton)\ **Replies:** 6\ **Last updated:** [July 13, 2017, 4:36pm UTC](https://discourse.slicer.org/t/dtis-with-multiple-images-per-slice/673 "2017-07-13T16:36:49Z")
Hello, I am having an issue where the DTIs that I have received from our imaging core are captured in such a way that there are multiple images per each slice. In other words when I open the file I will see the first s… [Previous page](https://discourse.slicer.org/c/support/11.md?page=442) [Next page](https://discourse.slicer.org/c/support/11.md?page=444)