# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=333

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

**Page:** 334

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## [Volume rendering of an image stack in tiff file](https://discourse.slicer.org/t/volume-rendering-of-an-image-stack-in-tiff-file/12297)

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**Author:** [@Deepa](https://discourse.slicer.org/u/Deepa)\
**Replies:** 9\
**Last updated:** [July 1, 2020, 7:06am UTC](https://discourse.slicer.org/t/volume-rendering-of-an-image-stack-in-tiff-file/12297 "2020-07-01T07:06:02Z")

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Hello Everyone, I have loaded data from a tif file (please check the snapshot for reference) I have enabled depth peeling, clicked Fit to volume, varied shift and tried different presets. But I am not able to visual…

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## [Implementing Python Code Into 3D Slicer](https://discourse.slicer.org/t/implementing-python-code-into-3d-slicer/12272)

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**Author:** [@vertebra](https://discourse.slicer.org/u/vertebra)\
**Replies:** 1\
**Last updated:** [July 1, 2020, 1:43am UTC](https://discourse.slicer.org/t/implementing-python-code-into-3d-slicer/12272 "2020-07-01T01:43:24Z")

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I am having a lot of trouble with this 3D Slicer software. I have created a module that links to my python file. The goal of my code is to get the user to select a markup fiducial node on the lumbar vertebra. Then using …

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## [The ordinal 4445 could not be located in the dynamic link library libeay32.dll](https://discourse.slicer.org/t/the-ordinal-4445-could-not-be-located-in-the-dynamic-link-library-libeay32-dll/12251)

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**Author:** [@sunshine\_boycn](https://discourse.slicer.org/u/sunshine_boycn)\
**Replies:** 6\
**Last updated:** [July 1, 2020, 1:41am UTC](https://discourse.slicer.org/t/the-ordinal-4445-could-not-be-located-in-the-dynamic-link-library-libeay32-dll/12251 "2020-07-01T01:41:26Z")

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Hello, everybody, I recently build the Slicer on Win10. Everything goes fine until I installed some software which might related to SSL. Now no matter how I rebuild my source code I could successfully build the Slicer.e…

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## [Refinement of 3D models](https://discourse.slicer.org/t/refinement-of-3d-models/12258)

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**Author:** [@IanH](https://discourse.slicer.org/u/IanH)\
**Replies:** 2\
**Last updated:** [July 1, 2020, 1:31am UTC](https://discourse.slicer.org/t/refinement-of-3d-models/12258 "2020-07-01T01:31:59Z")

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I’ve been using 3Dslicer to segment different tissue types in soybean nodules and am looking to make 3D models for papers that are going to be published. I am the second person to work on this project, and the person who…

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## [Surface Wrap Solidify extension: setupOptionsFrame error](https://discourse.slicer.org/t/surface-wrap-solidify-extension-setupoptionsframe-error/12292)

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**Author:** [@dmarquette](https://discourse.slicer.org/u/dmarquette)\
**Replies:** 1\
**Last updated:** [June 30, 2020, 9:21pm UTC](https://discourse.slicer.org/t/surface-wrap-solidify-extension-setupoptionsframe-error/12292 "2020-06-30T21:21:46Z")

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Operating system: macOS Catalina 10.15.5 Slicer version: 4.10.2 Expected behavior: Open “Segment editor” module without any error displaying in the Python interactor Actual behavior: Each time I open the “Segment edit…

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## [Measuring angles from vector field](https://discourse.slicer.org/t/measuring-angles-from-vector-field/12299)

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**Author:** [@Yordano\_Jimenez](https://discourse.slicer.org/u/Yordano_Jimenez)\
**Replies:** 3\
**Last updated:** [June 30, 2020, 9:19pm UTC](https://discourse.slicer.org/t/measuring-angles-from-vector-field/12299 "2020-06-30T21:19:00Z")

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Hi all, I am vertebrate morphologist using Slicer to segment bones and muscles (from contrast-stained specimens). I am currently in need of help with the following: I have segmented a chunk of muscle, analyzed its fibe…

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## [AnglePlanes Extension not working properly](https://discourse.slicer.org/t/angleplanes-extension-not-working-properly/12306)

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**Author:** [@dreilar](https://discourse.slicer.org/u/dreilar)\
**Replies:** 1\
**Last updated:** [June 30, 2020, 9:03pm UTC](https://discourse.slicer.org/t/angleplanes-extension-not-working-properly/12306 "2020-06-30T21:03:01Z")

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Operating system: windows 10 Slicer version: version 4.10.2 Expected behavior: calculate angle between two planes Actual behavior: As the title says, is not working properly, it doesnt allow to add new plans base on …

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## [How to make fiducial points placed in Curved Planar Reformatted image appear in the original image](https://discourse.slicer.org/t/how-to-make-fiducial-points-placed-in-curved-planar-reformatted-image-appear-in-the-original-image/12189)

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**Author:** [@Romeo\_Guevara](https://discourse.slicer.org/u/Romeo_Guevara)\
**Replies:** 9\
**Last updated:** [June 30, 2020, 5:09pm UTC](https://discourse.slicer.org/t/how-to-make-fiducial-points-placed-in-curved-planar-reformatted-image-appear-in-the-original-image/12189 "2020-06-30T17:09:25Z")

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It is possible that the fudicials that are placed in the Curved Planar Reformat may appear in the segmentation? Because I must place them at specific points to be able to make measurements, for example: from the exact be…

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## [Vertebra Segmentation Code](https://discourse.slicer.org/t/vertebra-segmentation-code/12232)

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**Author:** [@vertebra](https://discourse.slicer.org/u/vertebra)\
**Replies:** 2\
**Last updated:** [June 30, 2020, 4:07pm UTC](https://discourse.slicer.org/t/vertebra-segmentation-code/12232 "2020-06-30T16:07:31Z")

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Hello! We have been working on segmenting the vertebrae semi-automatically. Our algorithm right now includes the user marking fiducial nodes that are used as a source for the flood fill found in the Segment Extra Effect…

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## [Line widget text options](https://discourse.slicer.org/t/line-widget-text-options/12287)

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**Author:** [@ungi](https://discourse.slicer.org/u/ungi)\
**Replies:** 2\
**Last updated:** [June 30, 2020, 3:30pm UTC](https://discourse.slicer.org/t/line-widget-text-options/12287 "2020-06-30T15:30:39Z")

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I would like to customize the text displayed for line markups in the 3D viewer. It would be ideal to set any custom text, but if there was an option to only display the name of the node, that would be enough too. Current…

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## [Can't install extensions in latest Preview Release](https://discourse.slicer.org/t/cant-install-extensions-in-latest-preview-release/12285)

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**Author:** [@BennetMontgomery](https://discourse.slicer.org/u/BennetMontgomery)\
**Replies:** 3\
**Last updated:** [June 30, 2020, 2:57pm UTC](https://discourse.slicer.org/t/cant-install-extensions-in-latest-preview-release/12285 "2020-06-30T14:57:51Z")

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I installed the latest preview build today and went to reinstall the extensions I was using, but Slicer claimed that the extensions were incompatible with the current version. Do I just need to downgrade to a version com…

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## [Segment statistics Apply button disabled](https://discourse.slicer.org/t/segment-statistics-apply-button-disabled/4453)

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**Author:** [@Ash\_Alarfaj](https://discourse.slicer.org/u/Ash_Alarfaj)\
**Replies:** 3\
**Last updated:** [June 30, 2020, 12:21pm UTC](https://discourse.slicer.org/t/segment-statistics-apply-button-disabled/4453 "2020-06-30T12:21:21Z")

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Problem report for Slicer 4.8.1 macosx-amd64: \[please describe expected and actual behavior\] expected behavior: segment statistics apply icon active after changed parameter set. actual behavior: I need to close an reop…

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## [Different results with different versions of pyradiomics +/- O-RAW](https://discourse.slicer.org/t/different-results-with-different-versions-of-pyradiomics-o-raw/12165)

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**Author:** [@GVK](https://discourse.slicer.org/u/GVK)\
**Replies:** 3\
**Last updated:** [June 30, 2020, 10:35am UTC](https://discourse.slicer.org/t/different-results-with-different-versions-of-pyradiomics-o-raw/12165 "2020-06-30T10:35:23Z")

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Hi, I’m calculating radiomics features using different versions of Pyradiomics (v2 and V3 +/- O-RAW) on the same dataset and comparing also to the literature (which used version 1.3 +O-RAW) and getting different results…

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## [Bone texture extension errors](https://discourse.slicer.org/t/bone-texture-extension-errors/12099)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 4\
**Last updated:** [June 29, 2020, 6:35pm UTC](https://discourse.slicer.org/t/bone-texture-extension-errors/12099 "2020-06-29T18:35:03Z")

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This is to the developers of the bone texture extension: I am trying to use the calculate bone morphometry properties from proximal mouse femora. While the results are tabulated, it is complaining about a missing tag, a…

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## [Converting an STL to DICOM ](https://discourse.slicer.org/t/converting-an-stl-to-dicom/12275)

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**Author:** [@Hannah\_Cook](https://discourse.slicer.org/u/Hannah_Cook)\
**Replies:** 1\
**Last updated:** [June 29, 2020, 5:06pm UTC](https://discourse.slicer.org/t/converting-an-stl-to-dicom/12275 "2020-06-29T17:06:10Z")

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Operating system: Windows Slicer version:4.10.2 I am new to 3D Slicer. I have an STL file that I wish to convert into a DICOM. Does anyone know a step-by-step method to convert from STL to DICOM? Many thanks in advanc…

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## [Getting sketchfab data into Slicer](https://discourse.slicer.org/t/getting-sketchfab-data-into-slicer/12256)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 4\
**Last updated:** [June 29, 2020, 3:49am UTC](https://discourse.slicer.org/t/getting-sketchfab-data-into-slicer/12256 "2020-06-29T03:49:34Z")

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SKetchfab uses a format called .gltf, which Slicer doesn’t seem to recognize. What would it take to support that?

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## [Leaflet mold generator](https://discourse.slicer.org/t/leaflet-mold-generator/8696)

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**Author:** [@Rodrigo\_Visconti](https://discourse.slicer.org/u/Rodrigo_Visconti)\
**Replies:** 19\
**Last updated:** [June 29, 2020, 2:49am UTC](https://discourse.slicer.org/t/leaflet-mold-generator/8696 "2020-06-29T02:49:40Z")

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I read a text that shows valve building and uses a valve mold generator module. But i can’t find that module. I’m trying to start a research in my institution in brazil with 3d printed valves filled with silicone. Where …

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## [Positioning models](https://discourse.slicer.org/t/positioning-models/12184)

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**Author:** [@Rodrigo\_Visconti](https://discourse.slicer.org/u/Rodrigo_Visconti)\
**Replies:** 9\
**Last updated:** [June 29, 2020, 2:47am UTC](https://discourse.slicer.org/t/positioning-models/12184 "2020-06-29T02:47:30Z")

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Please tell me how can I position a preprogrammed model in my segmentation easily. I’m having trouble doing it. Thanks

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## [wall thickness measurements of intracranial arteries](https://discourse.slicer.org/t/wall-thickness-measurements-of-intracranial-arteries/11830)

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**Author:** [@Andreas](https://discourse.slicer.org/u/Andreas)\
**Replies:** 7\
**Last updated:** [June 28, 2020, 7:51pm UTC](https://discourse.slicer.org/t/wall-thickness-measurements-of-intracranial-arteries/11830 "2020-06-28T19:51:04Z")

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Hello everyone, I would like to know whether it is possible to use CT images of brain vessels (contrast medium) to determine the respective patient-specific wall thickness of the vessels - see figure. I assume that the…

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## [How to archive jupyter notebooks](https://discourse.slicer.org/t/how-to-archive-jupyter-notebooks/12239)

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**Author:** [@ungi](https://discourse.slicer.org/u/ungi)\
**Replies:** 3\
**Last updated:** [June 27, 2020, 6:38pm UTC](https://discourse.slicer.org/t/how-to-archive-jupyter-notebooks/12239 "2020-06-27T18:38:20Z")

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I use SlicerJupyter to run automated experiments with Slicer, generating snapshots of the views. Sometimes I forget to save the notebook with valuable results. For non-Slicer notebooks, I can use an external process to s…

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## [Numpy shared libs are not built](https://discourse.slicer.org/t/numpy-shared-libs-are-not-built/12243)

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**Author:** [@chir.set](https://discourse.slicer.org/u/chir.set)\
**Replies:** 5\
**Last updated:** [June 27, 2020, 5:41pm UTC](https://discourse.slicer.org/t/numpy-shared-libs-are-not-built/12243 "2020-06-27T17:41:29Z")

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I am trying to build at 04a58a9005. The built package misses all numpy shared libs, like \_multiarray\_umath.cpython-36m-x86\_64-linux-gnu.so. This results in exceptions like ModuleNotFoundError: No module named ‘numpy.co…

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## [Brightness and contrast with mouse pad not working](https://discourse.slicer.org/t/brightness-and-contrast-with-mouse-pad-not-working/12246)

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**Author:** [@Vinny](https://discourse.slicer.org/u/Vinny)\
**Replies:** 2\
**Last updated:** [June 27, 2020, 4:48pm UTC](https://discourse.slicer.org/t/brightness-and-contrast-with-mouse-pad-not-working/12246 "2020-06-27T16:48:15Z")

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Hi, I am using Slicer version 4.11.0-2020-06-06 and not able to adjust the contrast and brightness for images using the mouse pad. I was able to do this on Slicer 4.10.2. How can I fix this? Thanks, Vinny

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## [Create a master from MRI for 3D print](https://discourse.slicer.org/t/create-a-master-from-mri-for-3d-print/12231)

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**Author:** [@Alejandro\_Terrado](https://discourse.slicer.org/u/Alejandro_Terrado)\
**Replies:** 4\
**Last updated:** [June 27, 2020, 4:24pm UTC](https://discourse.slicer.org/t/create-a-master-from-mri-for-3d-print/12231 "2020-06-27T16:24:46Z")

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Hi!!! I have been trying to get a volume from a brain MRI (my own brain). The problem is that the scan have many volumes, but each volume has only one plane in high resolution. I can’t get the high-resolution plane…

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## [Slicer 4.11 closes after closing the Figure Window for matplotlib](https://discourse.slicer.org/t/slicer-4-11-closes-after-closing-the-figure-window-for-matplotlib/12236)

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**Author:** [@siaeleni](https://discourse.slicer.org/u/siaeleni)\
**Replies:** 5\
**Last updated:** [June 27, 2020, 3:40pm UTC](https://discourse.slicer.org/t/slicer-4-11-closes-after-closing-the-figure-window-for-matplotlib/12236 "2020-06-27T15:40:33Z")

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Hi all, I work on the recent 4.11 (06.24.2020) and Slicer closes right after I close the window from matplotlib. For your convenience I use that piece of code in Python Interactor: from matplotlib import pyplot as plt…

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## [Why does Slicer lower image quality?](https://discourse.slicer.org/t/why-does-slicer-lower-image-quality/12208)

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**Author:** [@Pablo\_Javier](https://discourse.slicer.org/u/Pablo_Javier)\
**Replies:** 7\
**Last updated:** [June 27, 2020, 6:27am UTC](https://discourse.slicer.org/t/why-does-slicer-lower-image-quality/12208 "2020-06-27T06:27:19Z")

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I´ve noticed SLICER lowers image quality ( for example DICOM or jpg images). When I compare images with other types of softwares the quality of that image is much better than with SLICER. Why does SLICER do that? Is ther…

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## [Editing mask after Swiss Skull Stripping](https://discourse.slicer.org/t/editing-mask-after-swiss-skull-stripping/12211)

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**Author:** [@AT3432984](https://discourse.slicer.org/u/AT3432984)\
**Replies:** 4\
**Last updated:** [June 26, 2020, 11:10pm UTC](https://discourse.slicer.org/t/editing-mask-after-swiss-skull-stripping/12211 "2020-06-26T23:10:50Z")

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Hi, I have used the Swiss Skull Stripper module to create a mask of a brain from an MRI. However, the mask that was generated includes some of the eye. Is there a way I can remove this from my mask? I have tried using th…

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## [Error with maskvolumewithsegment with python](https://discourse.slicer.org/t/error-with-maskvolumewithsegment-with-python/12169)

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**Author:** [@stl](https://discourse.slicer.org/u/stl)\
**Replies:** 2\
**Last updated:** [June 26, 2020, 7:19pm UTC](https://discourse.slicer.org/t/error-with-maskvolumewithsegment-with-python/12169 "2020-06-26T19:19:11Z")

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Hi, Slicer 4.10.2 , Windows I’ve been trying to access the mask volume effect with python and keep running into the following problem: This is the relevant code for segment labeled “Tumor”: segmentEditorWidget = slic…

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## [Fiducial visibility range in slice view](https://discourse.slicer.org/t/fiducial-visibility-range-in-slice-view/12235)

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**Author:** [@gcsharp](https://discourse.slicer.org/u/gcsharp)\
**Replies:** 8\
**Last updated:** [June 26, 2020, 6:24pm UTC](https://discourse.slicer.org/t/fiducial-visibility-range-in-slice-view/12235 "2020-06-26T18:24:06Z")

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When I am in slice view, how close does a fiducial need to be in order to be visible? Is there a way to control this and make more of the nearby fiducials visible?

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## [Automate model to CT registration](https://discourse.slicer.org/t/automate-model-to-ct-registration/12234)

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**Author:** [@Tekk\_ya](https://discourse.slicer.org/u/Tekk_ya)\
**Replies:** 1\
**Last updated:** [June 26, 2020, 3:24pm UTC](https://discourse.slicer.org/t/automate-model-to-ct-registration/12234 "2020-06-26T15:24:01Z")

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## [Python Code for User to Select Point on Image](https://discourse.slicer.org/t/python-code-for-user-to-select-point-on-image/12221)

<div class="topic-metadata">

**Author:** [@vertebrae](https://discourse.slicer.org/u/vertebrae)\
**Replies:** 1\
**Last updated:** [June 26, 2020, 2:25am UTC](https://discourse.slicer.org/t/python-code-for-user-to-select-point-on-image/12221 "2020-06-26T02:25:54Z")

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I am using Python to code a program and part of the program involves the user selecting a point on a CT scan. How can I code this user input?

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