# Support **URL:** https://discourse.slicer.org/c/support/11.md?page=287 [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) **Page:** 288 --- ## [AIAA output as float32 volume](https://discourse.slicer.org/t/aiaa-output-as-float32-volume/17041)

**Author:** [@dSC](https://discourse.slicer.org/u/dSC)\ **Replies:** 1\ **Last updated:** [April 14, 2021, 5:14am UTC](https://discourse.slicer.org/t/aiaa-output-as-float32-volume/17041 "2021-04-14T05:14:26Z")

Is it possible to receive a float 32 volume instead of a segmentation mask as the output of an auto-segmentation custom model? --- ## [Neuroimage annotation using 3D Slicer for AI training ](https://discourse.slicer.org/t/neuroimage-annotation-using-3d-slicer-for-ai-training/17034)

**Author:** [@Dhruba](https://discourse.slicer.org/u/Dhruba)\ **Replies:** 7\ **Last updated:** [April 14, 2021, 5:07am UTC](https://discourse.slicer.org/t/neuroimage-annotation-using-3d-slicer-for-ai-training/17034 "2021-04-14T05:07:17Z")

Operating system: Windows 10 Slicer version: 4.11 I want to train a Neural Network to detect a vessel in CT Perfusion data. For that, I need to annotate some DICOM images using the “3D slicer”. I want the network to de… --- ## [Exporting STL files with shared nodes for conforming mesh](https://discourse.slicer.org/t/exporting-stl-files-with-shared-nodes-for-conforming-mesh/14220)

**Author:** [@Tekk\_ya](https://discourse.slicer.org/u/Tekk_ya)\ **Replies:** 7\ **Last updated:** [April 14, 2021, 3:49am UTC](https://discourse.slicer.org/t/exporting-stl-files-with-shared-nodes-for-conforming-mesh/14220 "2021-04-14T03:49:18Z")

Hi everyone, I have a question related to have a conforming mesh. I have segmented the regions that are watertight and have applied joint smoothing on the segments. I was wondering if it would be possible to export the … --- ## [Custom color maps disappearing (on MAC big sur)](https://discourse.slicer.org/t/custom-color-maps-disappearing-on-mac-big-sur/16904)

**Author:** [@lucaxx85](https://discourse.slicer.org/u/lucaxx85)\ **Replies:** 6\ **Last updated:** [April 14, 2021, 1:38am UTC](https://discourse.slicer.org/t/custom-color-maps-disappearing-on-mac-big-sur/16904 "2021-04-14T01:38:24Z")

Dear experts, I’m working with Slicer 4.11 on MAC big sur (not sure if it’s relevant, but MAC always give lots of troubles to us). I’ve created some custom color maps and copied them in the share/Slicer-4.11/ColorFiles … --- ## [Effect of changing ".nrrd" size to annotation (ROI bounding box)](https://discourse.slicer.org/t/effect-of-changing-nrrd-size-to-annotation-roi-bounding-box/17074)

**Author:** [@Dhruba](https://discourse.slicer.org/u/Dhruba)\ **Replies:** 5\ **Last updated:** [April 13, 2021, 9:59pm UTC](https://discourse.slicer.org/t/effect-of-changing-nrrd-size-to-annotation-roi-bounding-box/17074 "2021-04-13T21:59:05Z")

Operating system: Windows Slicer version: 4.11 I used 3D slicer to annotate (Using ROI) some DICOM images and saved them as “.nrrd” file and annotation as “.acsv”. I have attached an image below. The “.nrrd” has a size… --- ## [cannot see 3D viewer and segmentation apply button not working.](https://discourse.slicer.org/t/cannot-see-3d-viewer-and-segmentation-apply-button-not-working/17068)

**Author:** [@srraju](https://discourse.slicer.org/u/srraju)\ **Replies:** 2\ **Last updated:** [April 13, 2021, 9:09pm UTC](https://discourse.slicer.org/t/cannot-see-3d-viewer-and-segmentation-apply-button-not-working/17068 "2021-04-13T21:09:10Z")

Problem report for Slicer 4.11.20210226 win-amd64: \[please describe expected and actual behavior\] cannot see the 3D rendered image in the viewer. I tried changing from CPU to GPU and to CPU. Also centered the image by… --- ## [Question about "Fill value" button in "Crop Volume" module.](https://discourse.slicer.org/t/question-about-fill-value-button-in-crop-volume-module/17061)

**Author:** [@Orestis\_Gaides](https://discourse.slicer.org/u/Orestis_Gaides)\ **Replies:** 1\ **Last updated:** [April 13, 2021, 5:32pm UTC](https://discourse.slicer.org/t/question-about-fill-value-button-in-crop-volume-module/17061 "2021-04-13T17:32:18Z")

Hello, I am researcher from Greece. I would like to ask, what does is the meaning of the option “fill value” in “crop volume” module? And what range of values is appropriate? Thanks in advance. --- ## [Fiducial markups not showing in 4.11.0](https://discourse.slicer.org/t/fiducial-markups-not-showing-in-4-11-0/6501)

**Author:** [@Hao\_Li](https://discourse.slicer.org/u/Hao_Li)\ **Replies:** 8\ **Last updated:** [April 13, 2021, 9:21am UTC](https://discourse.slicer.org/t/fiducial-markups-not-showing-in-4-11-0/6501 "2021-04-13T09:21:02Z")

Hi! Sorry for stupid question. Fiducial markups I’ve created using slicer 4.8.1 don’t appear in the 3D window (appear fine on the other 3 windows) on slicer 4.11.0. Any idea where I did wrong? Best regards Hao --- ## [Vessel tree centerline branch extraction using VMTK](https://discourse.slicer.org/t/vessel-tree-centerline-branch-extraction-using-vmtk/11867)

**Author:** [@szhang](https://discourse.slicer.org/u/szhang)\ **Replies:** 23\ **Last updated:** [April 12, 2021, 9:55pm UTC](https://discourse.slicer.org/t/vessel-tree-centerline-branch-extraction-using-vmtk/11867 "2021-04-12T21:55:32Z")

Hello In order to utilize some of vmtk functionalities (branch splitting is the one of interest, i.e. vmtkbranchextractor), is it possible to import their libraries? However, a simple “import vmtk” does not seem to suc… --- ## [Enabling volume rendering for a large volume makes the application crash](https://discourse.slicer.org/t/enabling-volume-rendering-for-a-large-volume-makes-the-application-crash/17032)

**Author:** [@evodevo](https://discourse.slicer.org/u/evodevo)\ **Replies:** 6\ **Last updated:** [April 12, 2021, 3:57am UTC](https://discourse.slicer.org/t/enabling-volume-rendering-for-a-large-volume-makes-the-application-crash/17032 "2021-04-12T03:57:12Z")

Operating system: windows Slicer version:4.11.20200930 Expected behavior: volume rendering Actual behavior: volume rendering freezes I have datasets that are small (in dimensions) and whenever I ask slicer to do volu… --- ## [How can I flip the model to compare it](https://discourse.slicer.org/t/how-can-i-flip-the-model-to-compare-it/17023)

**Author:** [@Focus](https://discourse.slicer.org/u/Focus)\ **Replies:** 1\ **Last updated:** [April 11, 2021, 3:00am UTC](https://discourse.slicer.org/t/how-can-i-flip-the-model-to-compare-it/17023 "2021-04-11T03:00:36Z")

I have to move the model but I don’t know how to move it. I have 2 models that I want to compare the model. Could you guide me which module or any video tutorial. --- ## [Central sulcus and projection](https://discourse.slicer.org/t/central-sulcus-and-projection/16952)

**Author:** [@Pierpaolo\_Croce](https://discourse.slicer.org/u/Pierpaolo_Croce)\ **Replies:** 9\ **Last updated:** [April 10, 2021, 5:16pm UTC](https://discourse.slicer.org/t/central-sulcus-and-projection/16952 "2021-04-10T17:16:18Z")

Dear Community, I would like to segment the central sulcus from an mri and then project all the points of the segmented sulcus to the scalp in order to obtain the shape of the sulcus on the scalp. There are similar task… --- ## [How to fill missing skull? or any tools to help me create the segment between the gap of skull](https://discourse.slicer.org/t/how-to-fill-missing-skull-or-any-tools-to-help-me-create-the-segment-between-the-gap-of-skull/16941)

**Author:** [@Focus](https://discourse.slicer.org/u/Focus)\ **Replies:** 4\ **Last updated:** [April 10, 2021, 4:33pm UTC](https://discourse.slicer.org/t/how-to-fill-missing-skull-or-any-tools-to-help-me-create-the-segment-between-the-gap-of-skull/16941 "2021-04-10T16:33:07Z")

How can I use tools to fill between the gap ? any guide to create the threshold on the red circle. --- ## [how to do surgical simulation with slicerIGT](https://discourse.slicer.org/t/how-to-do-surgical-simulation-with-slicerigt/16906)

**Author:** [@Sophie\_Legendri](https://discourse.slicer.org/u/Sophie_Legendri)\ **Replies:** 4\ **Last updated:** [April 10, 2021, 4:40am UTC](https://discourse.slicer.org/t/how-to-do-surgical-simulation-with-slicerigt/16906 "2021-04-10T04:40:12Z")

Operating system: OLEA Slicer version: 4.11.202009 Expected behavior: Actual behavior: Hello, I’m an OBGYN resident, and i’m a beginner with slicer (it’s been a few month since i’m using this great software), i’m wo… --- ## [Rotation in DICOM data](https://discourse.slicer.org/t/rotation-in-dicom-data/9693)

**Author:** [@OJay](https://discourse.slicer.org/u/OJay)\ **Replies:** 13\ **Last updated:** [April 9, 2021, 1:25am UTC](https://discourse.slicer.org/t/rotation-in-dicom-data/9693 "2021-04-09T01:25:32Z")

Hi:) Is it possible to set in DICOM data two points to get a line and then rotate around this line? Best Regards, Ole --- ## [3D printing Baby ultrasound ](https://discourse.slicer.org/t/3d-printing-baby-ultrasound/16733)

**Author:** [@Ines](https://discourse.slicer.org/u/Ines)\ **Replies:** 3\ **Last updated:** [April 9, 2021, 1:22am UTC](https://discourse.slicer.org/t/3d-printing-baby-ultrasound/16733 "2021-04-09T01:22:09Z")

Hello! I’m having a problem with my DICOM files (.dcm), either they dont load correctly, dont load at all or when they do i cant make the 3D volume. when the file loads all the axis/perspectives pictures look the same in… --- ## [Segmenting 4D echo volume sequence](https://discourse.slicer.org/t/segmenting-4d-echo-volume-sequence/16661)

**Author:** [@Rodrigo\_Visconti](https://discourse.slicer.org/u/Rodrigo_Visconti)\ **Replies:** 5\ **Last updated:** [April 9, 2021, 1:19am UTC](https://discourse.slicer.org/t/segmenting-4d-echo-volume-sequence/16661 "2021-04-09T01:19:37Z")

How can I create a moving valve from a sequence volume? Do I need to segment all frames separately? Can I use it to create a VR movie? Thanks --- ## [Semilandmark placement on a distal femur (curve and surface)](https://discourse.slicer.org/t/semilandmark-placement-on-a-distal-femur-curve-and-surface/17004)

**Author:** [@aotero54](https://discourse.slicer.org/u/aotero54)\ **Replies:** 7\ **Last updated:** [April 8, 2021, 10:06pm UTC](https://discourse.slicer.org/t/semilandmark-placement-on-a-distal-femur-curve-and-surface/17004 "2021-04-08T22:06:29Z")

Operating system: Slicer version: 4.11 Expected behavior: Resampled curve constrained to the surface between two points. Actual behavior: Resampled curve is underneath the 3D model and not constrained to the surface (… --- ## [Export Dicom or Nifti images in different Slicing Plane](https://discourse.slicer.org/t/export-dicom-or-nifti-images-in-different-slicing-plane/17001)

**Author:** [@MachadoL](https://discourse.slicer.org/u/MachadoL)\ **Replies:** 2\ **Last updated:** [April 8, 2021, 7:11pm UTC](https://discourse.slicer.org/t/export-dicom-or-nifti-images-in-different-slicing-plane/17001 "2021-04-08T19:11:52Z")

Hello, everyone. I am trying to load a DICOM series (series of axial slices) into Slicer and export as nifit in a different slicing plane (sagittal or coronal). Is it possible? Thanks a lot. --- ## [Inverted slice view scrolling direction](https://discourse.slicer.org/t/inverted-slice-view-scrolling-direction/16977)

**Author:** [@chir.set](https://discourse.slicer.org/u/chir.set)\ **Replies:** 9\ **Last updated:** [April 8, 2021, 6:45pm UTC](https://discourse.slicer.org/t/inverted-slice-view-scrolling-direction/16977 "2021-04-08T18:45:35Z")

Hi, Using 4.13.0-2021-04-02 r29808 / 49642b0 / VTK8 on Linux. Scrolling a slice view occurs in the opposite direction since this build. Usually, the mouse wheel would scroll a view I\>S when scrolling the wheel up, sam… --- ## [Semilandmark placement on a distal femur (curve and surface)](https://discourse.slicer.org/t/semilandmark-placement-on-a-distal-femur-curve-and-surface/17003)

**Author:** [@aotero54](https://discourse.slicer.org/u/aotero54)\ **Replies:** 0\ **Last updated:** [April 8, 2021, 5:16pm UTC](https://discourse.slicer.org/t/semilandmark-placement-on-a-distal-femur-curve-and-surface/17003 "2021-04-08T17:16:53Z")

I am having trouble placing curve and surface semilandmarks. For the curve, when I resample the resampled curve is underneath the 3D model instead of constrained to the surface (with the constrain to surface option selec… --- ## [Semilandmark placement on a distal femur (curve and surface)](https://discourse.slicer.org/t/semilandmark-placement-on-a-distal-femur-curve-and-surface/17002)

I am having trouble placing curved semilandmarks through resampling. After creating my curve and resampling (making sure to select constrain to surface), the new curve is beneath the model. Also, I am unsure of how to… --- ## [RT Dose dose grid scaling not applied](https://discourse.slicer.org/t/rt-dose-dose-grid-scaling-not-applied/16757)

**Author:** [@Renata\_Chmielewski](https://discourse.slicer.org/u/Renata_Chmielewski)\ **Replies:** 3\ **Last updated:** [April 8, 2021, 4:30pm UTC](https://discourse.slicer.org/t/rt-dose-dose-grid-scaling-not-applied/16757 "2021-04-08T16:30:54Z")

Operating system: Windows 10 Slicer version:4.11.202 Expected behavior: Actual behavior: Hi, I am trying to subtract one dose from another. I am importing RT Dose files from Pinnacle. When I click on “Convert to RT … --- ## [Applying a SimpleFilter to a sequence](https://discourse.slicer.org/t/applying-a-simplefilter-to-a-sequence/16957)

**Author:** [@mc\_barbour](https://discourse.slicer.org/u/mc_barbour)\ **Replies:** 2\ **Last updated:** [April 8, 2021, 3:55pm UTC](https://discourse.slicer.org/t/applying-a-simplefilter-to-a-sequence/16957 "2021-04-08T15:55:16Z")

I’m trying to apply a LaplacianSharpeningImageFilter to a volume sequence (4DCT) using the python interpreter. I’m used to using loadable modules via python but I understand that SimpleFilters is a scripted module. I’m t… --- ## [Hepatic vessels segmentation](https://discourse.slicer.org/t/hepatic-vessels-segmentation/16989)

**Author:** [@miuwells](https://discourse.slicer.org/u/miuwells)\ **Replies:** 1\ **Last updated:** [April 8, 2021, 2:34pm UTC](https://discourse.slicer.org/t/hepatic-vessels-segmentation/16989 "2021-04-08T14:34:05Z")

What is the best way to segment the intrahepatic vasculature? I have a CT with low intravenous contrast. Is there any automated extension ?? I Ihave tried with threshold, but I don’t get anything with quality. Thank yo… --- ## [Unable to load DICOM segmentation file](https://discourse.slicer.org/t/unable-to-load-dicom-segmentation-file/15134)

**Author:** [@AshrafM](https://discourse.slicer.org/u/AshrafM)\ **Replies:** 29\ **Last updated:** [April 6, 2021, 12:33pm UTC](https://discourse.slicer.org/t/unable-to-load-dicom-segmentation-file/15134 "2021-04-06T12:33:58Z")

Operating system: Windows 10 Slicer version: 4.10.2 Expected behavior: Load segmentation DICOM images Actual behavior: Unable to load, with error message Hi, I am trying to open a DICOM file with segmentation of an … --- ## [Can't Send DICOM SEG to DICOM Server](https://discourse.slicer.org/t/cant-send-dicom-seg-to-dicom-server/16949)

**Author:** [@twloehfelm](https://discourse.slicer.org/u/twloehfelm)\ **Replies:** 16\ **Last updated:** [April 8, 2021, 12:05am UTC](https://discourse.slicer.org/t/cant-send-dicom-seg-to-dicom-server/16949 "2021-04-08T00:05:15Z")

OS: MacOS Big Sur 11.2.3 Slicer: 4.11.20210226 Extensions: DCMQI, PETDICOMExtension, QuantitativeReporting, SlicerDevelopmentToolbox I am hoping to reach the following workflow: Query/Retrieve DICOM and DICOM SEG ob… --- ## [Export Segmentation in DICOM-RT format](https://discourse.slicer.org/t/export-segmentation-in-dicom-rt-format/16805)

**Author:** [@Cody\_Xie](https://discourse.slicer.org/u/Cody_Xie)\ **Replies:** 5\ **Last updated:** [April 7, 2021, 12:37pm UTC](https://discourse.slicer.org/t/export-segmentation-in-dicom-rt-format/16805 "2021-04-07T12:37:24Z")

Dear all, What I would like to do is to export a clipped region (from Dynamic Modeler) into a DICOM-RT file. I have searched throughout the Forum with no answer. It has bothered me for a long time. Any help from your si… --- ## [How to create smooth surface patch for fixing skull defect?](https://discourse.slicer.org/t/how-to-create-smooth-surface-patch-for-fixing-skull-defect/16786)

**Author:** [@slicer365](https://discourse.slicer.org/u/slicer365)\ **Replies:** 7\ **Last updated:** [April 7, 2021, 7:25am UTC](https://discourse.slicer.org/t/how-to-create-smooth-surface-patch-for-fixing-skull-defect/16786 "2021-04-07T07:25:46Z")

This is a patient with a bilateral skull defect. I want to make a repaired face of the skull, but I don’t want to match it with a new skull because the result is not accurate. I hope to get a new face through the curve. … --- ## [Diffusion module](https://discourse.slicer.org/t/diffusion-module/16954)

**Author:** [@Nadya\_Shusharina](https://discourse.slicer.org/u/Nadya_Shusharina)\ **Replies:** 1\ **Last updated:** [April 6, 2021, 10:19pm UTC](https://discourse.slicer.org/t/diffusion-module/16954 "2021-04-06T22:19:48Z")

Operating system: Windows 10 Slicer version: 4.11 Expected behavior: Glyphs showing on all views Actual behavior: No glyphs on views. They are showing in 3D window. [Previous page](https://discourse.slicer.org/c/support/11.md?page=286) [Next page](https://discourse.slicer.org/c/support/11.md?page=288)