# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=445

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

**Page:** 446

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## [Use a list of models in a CLI](https://discourse.slicer.org/t/use-a-list-of-models-in-a-cli/576)

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**Author:** [@mirclem](https://discourse.slicer.org/u/mirclem)\
**Replies:** 1\
**Last updated:** [June 27, 2017, 12:13am UTC](https://discourse.slicer.org/t/use-a-list-of-models-in-a-cli/576 "2017-06-27T00:13:15Z")

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Hello, I am trying to create a CLI with a variable number of models as input and only one as output. First, I tried to use a string-vector but when running some C++ code it doesn't pass OpenVTKFile() if I use a vtkPol…

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## [Get array from image data](https://discourse.slicer.org/t/get-array-from-image-data/530)

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**Author:** [@jks1995](https://discourse.slicer.org/u/jks1995)\
**Replies:** 2\
**Last updated:** [June 26, 2017, 5:33pm UTC](https://discourse.slicer.org/t/get-array-from-image-data/530 "2017-06-26T17:33:05Z")

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How could i get the arrays that make up an image data object as arrays in python?

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## [Diffusion Tensor Imaging tutorial - volume masking module nightly build (posterior to 2/23/2016)](https://discourse.slicer.org/t/diffusion-tensor-imaging-tutorial-volume-masking-module-nightly-build-posterior-to-2-23-2016/521)

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**Author:** [@pilotin\_ron](https://discourse.slicer.org/u/pilotin_ron)\
**Replies:** 9\
**Last updated:** [June 23, 2017, 9:40pm UTC](https://discourse.slicer.org/t/diffusion-tensor-imaging-tutorial-volume-masking-module-nightly-build-posterior-to-2-23-2016/521 "2017-06-23T21:40:37Z")

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Im in a DTI tutorial & asking to install the version of the Diffusion Weighted Volume Masking module Slicer4.5 nighlty build posterior to Feb.23, 2016 and I cant find it. The download slicer says like this. Where should …

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## [Multi layer segmenting](https://discourse.slicer.org/t/multi-layer-segmenting/562)

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**Author:** [@Riley\_Campbell](https://discourse.slicer.org/u/Riley_Campbell)\
**Replies:** 1\
**Last updated:** [June 23, 2017, 6:23pm UTC](https://discourse.slicer.org/t/multi-layer-segmenting/562 "2017-06-23T18:23:00Z")

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Operating system:PC Slicer version:4.6.2 Expected behavior:Is there a way in segmenting that I can Segment on one slide then jump several slides and segment again, and have the program segment the in between slides? Actu…

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## [Saving in Landmark Registration](https://discourse.slicer.org/t/saving-in-landmark-registration/556)

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**Author:** [@Ivan\_Hidrovo](https://discourse.slicer.org/u/Ivan_Hidrovo)\
**Replies:** 1\
**Last updated:** [June 22, 2017, 9:20pm UTC](https://discourse.slicer.org/t/saving-in-landmark-registration/556 "2017-06-22T21:20:47Z")

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Hello all, Is there a way to save the transformation from a landmark registration without having to go to the transform module? There appears to be a problem when I apply the transformation from the LM registration on …

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## [How can I download "colormap configuration file" when using the module of "ShapePopulationViewer"?](https://discourse.slicer.org/t/how-can-i-download-colormap-configuration-file-when-using-the-module-of-shapepopulationviewer/537)

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**Author:** [@Ramttoong](https://discourse.slicer.org/u/Ramttoong)\
**Replies:** 4\
**Last updated:** [June 20, 2017, 3:00pm UTC](https://discourse.slicer.org/t/how-can-i-download-colormap-configuration-file-when-using-the-module-of-shapepopulationviewer/537 "2017-06-20T15:00:05Z")

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And, How can I show the difference between two models as arrow shape?

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## [How do I find the resolution of the image I have opened in slicer?](https://discourse.slicer.org/t/how-do-i-find-the-resolution-of-the-image-i-have-opened-in-slicer/531)

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**Author:** [@Josiah\_McAllister](https://discourse.slicer.org/u/Josiah_McAllister)\
**Replies:** 3\
**Last updated:** [June 19, 2017, 7:51pm UTC](https://discourse.slicer.org/t/how-do-i-find-the-resolution-of-the-image-i-have-opened-in-slicer/531 "2017-06-19T19:51:19Z")

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Operating system:Windows 7 Slicer version:4.6.2 Expected behavior: Actual behavior:

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## [Virtual Fragment Reconstruction Extension Help](https://discourse.slicer.org/t/virtual-fragment-reconstruction-extension-help/309)

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**Author:** [@Cardinals\_16](https://discourse.slicer.org/u/Cardinals_16)\
**Replies:** 7\
**Last updated:** [June 16, 2017, 3:25pm UTC](https://discourse.slicer.org/t/virtual-fragment-reconstruction-extension-help/309 "2017-06-16T15:25:00Z")

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Has anyone attempted to use the virtual fragment reconstruction extension described here: https://www.slicer.org/wiki/Documentation/4.6/Extensions/VirtualFractureReconstruction I can't find any way to actually install…

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## [Segmenting Semi-Circular Canals](https://discourse.slicer.org/t/segmenting-semi-circular-canals/511)

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**Author:** [@victoria.rose](https://discourse.slicer.org/u/victoria.rose)\
**Replies:** 1\
**Last updated:** [June 15, 2017, 5:45pm UTC](https://discourse.slicer.org/t/segmenting-semi-circular-canals/511 "2017-06-15T17:45:56Z")

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Hello, I am working with the semicircular canals and want to output measurements from the outer edge of each canal to the sagittal plane. I was wondering if there is a consistent way to make this measurement after mark…

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## [Get Voxel count off of LabelMapNode?](https://discourse.slicer.org/t/get-voxel-count-off-of-labelmapnode/501)

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**Author:** [@jks1995](https://discourse.slicer.org/u/jks1995)\
**Replies:** 6\
**Last updated:** [June 15, 2017, 4:36pm UTC](https://discourse.slicer.org/t/get-voxel-count-off-of-labelmapnode/501 "2017-06-15T16:36:38Z")

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How would I get the number of voxels off of a label map node?

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## [Ask an installation problem](https://discourse.slicer.org/t/ask-an-installation-problem/507)

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**Author:** [@annies123](https://discourse.slicer.org/u/annies123)\
**Replies:** 2\
**Last updated:** [June 15, 2017, 2:42pm UTC](https://discourse.slicer.org/t/ask-an-installation-problem/507 "2017-06-15T14:42:59Z")

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Hi! all: I have a problem about the installation. why my screen is like this:

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## [Tractography through ROIs from TMS-DICOM-Data - anyone experience?](https://discourse.slicer.org/t/tractography-through-rois-from-tms-dicom-data-anyone-experience/502)

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**Author:** [@LGG](https://discourse.slicer.org/u/LGG)\
**Replies:** 4\
**Last updated:** [June 14, 2017, 7:37pm UTC](https://discourse.slicer.org/t/tractography-through-rois-from-tms-dicom-data-anyone-experience/502 "2017-06-14T19:37:26Z")

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Hi everyone, I would like to create ROIs out of DICOM-Data that has been acquired through TMS (with Slicer 4.6). The aim is to run tractography through these ROIs. I tried to do full brain tractography and use the TMS-…

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## [Resample DTIVolume error!](https://discourse.slicer.org/t/resample-dtivolume-error/487)

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**Author:** [@Rewati\_Kulkarni](https://discourse.slicer.org/u/Rewati_Kulkarni)\
**Replies:** 10\
**Last updated:** [June 13, 2017, 4:33pm UTC](https://discourse.slicer.org/t/resample-dtivolume-error/487 "2017-06-13T16:33:56Z")

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Operating system: Windows 7 professional Slicer version: 4.6.2 Expected behavior: Sample data from tutorial should execute registration Actual behavior: I downloaded the sample data set to perform registration of DTI …

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## [How can I quantify the difference between two similar models after superimposing the two models?](https://discourse.slicer.org/t/how-can-i-quantify-the-difference-between-two-similar-models-after-superimposing-the-two-models/489)

<div class="topic-metadata">

**Author:** [@Ramttoong](https://discourse.slicer.org/u/Ramttoong)\
**Replies:** 1\
**Last updated:** [June 13, 2017, 12:04pm UTC](https://discourse.slicer.org/t/how-can-i-quantify-the-difference-between-two-similar-models-after-superimposing-the-two-models/489 "2017-06-13T12:04:08Z")

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How can I quantify the difference between two similar models after superimposing the two models?

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## [Masking in General Registration](https://discourse.slicer.org/t/masking-in-general-registration/488)

<div class="topic-metadata">

**Author:** [@Ivan\_Hidrovo](https://discourse.slicer.org/u/Ivan_Hidrovo)\
**Replies:** 1\
**Last updated:** [June 13, 2017, 11:45am UTC](https://discourse.slicer.org/t/masking-in-general-registration/488 "2017-06-13T11:45:52Z")

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Hello community, Does anybody know how to input my own created 0-1 bit mask for general registration (BRAINS) in 3D slicer? Thank you, Ivan

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## [Who uses DICOM data bundle?](https://discourse.slicer.org/t/who-uses-dicom-data-bundle/475)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 11\
**Last updated:** [June 12, 2017, 8:53pm UTC](https://discourse.slicer.org/t/who-uses-dicom-data-bundle/475 "2017-06-12T20:53:00Z")

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Slicer can save the scene in a DICOM file that can be stored on a PACS or other DICOM archives. Review workstations (other than Slicer) cannot interpret the contents (other than showing a short description and a screensh…

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## [MRI DWI images load with wrong orientation](https://discourse.slicer.org/t/mri-dwi-images-load-with-wrong-orientation/482)

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**Author:** [@Andrea\_Barucci](https://discourse.slicer.org/u/Andrea_Barucci)\
**Replies:** 1\
**Last updated:** [June 12, 2017, 2:47pm UTC](https://discourse.slicer.org/t/mri-dwi-images-load-with-wrong-orientation/482 "2017-06-12T14:47:49Z")

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Hi, i want to say thank you for your amazing work with Slicer. Thank you very much for all your efforts helping researcher around the world with your software. I have a question for you because i have not been able to …

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## [Extension Download for Manual Install - SlicerRT, SlicerProstate](https://discourse.slicer.org/t/extension-download-for-manual-install-slicerrt-slicerprostate/468)

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**Author:** [@CJohnson](https://discourse.slicer.org/u/CJohnson)\
**Replies:** 2\
**Last updated:** [June 9, 2017, 7:14pm UTC](https://discourse.slicer.org/t/extension-download-for-manual-install-slicerrt-slicerprostate/468 "2017-06-09T19:14:04Z")

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Operating system: Windows 7 Slicer version: 4.6.2 Expected behavior: Extension wizard should connect to appstore Actual behavior: Extension wizard hangs Based on the feedback from other threads, it seems that the serve…

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## [From ADC/FA back to DWI](https://discourse.slicer.org/t/from-adc-fa-back-to-dwi/464)

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**Author:** [@Eduardo](https://discourse.slicer.org/u/Eduardo)\
**Replies:** 2\
**Last updated:** [June 9, 2017, 2:23pm UTC](https://discourse.slicer.org/t/from-adc-fa-back-to-dwi/464 "2017-06-09T14:23:23Z")

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Hi, I received some FA and ADC images in DICOM to evaluate, but I needed the original DWI images to workup, according to your DWI tutorials. Since they were lost by the original owner, and I don´t have anymore samples …

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## [Resampling an Image](https://discourse.slicer.org/t/resampling-an-image/461)

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**Author:** [@ahoover](https://discourse.slicer.org/u/ahoover)\
**Replies:** 9\
**Last updated:** [June 9, 2017, 2:07pm UTC](https://discourse.slicer.org/t/resampling-an-image/461 "2017-06-09T14:07:21Z")

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When I resample an image in Slicer using the Resample Image (Brains) module and a transform I made using the Transform module, the image ends up correctly resampled except for its flipped around one axis. I'm assuming th…

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## [Create movie of changing scalar data on a model](https://discourse.slicer.org/t/create-movie-of-changing-scalar-data-on-a-model/426)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 12\
**Last updated:** [June 9, 2017, 11:15am UTC](https://discourse.slicer.org/t/create-movie-of-changing-scalar-data-on-a-model/426 "2017-06-09T11:15:10Z")

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Following up on this question posted in another topic: Is there a way to create an animation of a model displayed with different scalar overlay (coloring), changing in time?

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## [Is it possible to fuse a coregistered MRI and CT scan into one nii file on 3D Slicer?](https://discourse.slicer.org/t/is-it-possible-to-fuse-a-coregistered-mri-and-ct-scan-into-one-nii-file-on-3d-slicer/447)

<div class="topic-metadata">

**Author:** [@ahoover](https://discourse.slicer.org/u/ahoover)\
**Replies:** 3\
**Last updated:** [June 7, 2017, 9:27pm UTC](https://discourse.slicer.org/t/is-it-possible-to-fuse-a-coregistered-mri-and-ct-scan-into-one-nii-file-on-3d-slicer/447 "2017-06-07T21:27:55Z")

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Ultimately, I want to produce a segmentation based on CT and MRI data, so I would like to fuse the CT and MRI data into one nii file. (Both scans are currently nii files) Alternatively, is it possible to segment two ni…

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## [Change color of segmentation node](https://discourse.slicer.org/t/change-color-of-segmentation-node/442)

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**Author:** [@jks1995](https://discourse.slicer.org/u/jks1995)\
**Replies:** 12\
**Last updated:** [June 7, 2017, 3:39pm UTC](https://discourse.slicer.org/t/change-color-of-segmentation-node/442 "2017-06-07T15:39:32Z")

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How could I control the color of a 'vtkMRMLSegmentationNode'?

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## [Questions about Line Profile (part of Gel Dosimetry module)](https://discourse.slicer.org/t/questions-about-line-profile-part-of-gel-dosimetry-module/446)

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**Author:** [@ten](https://discourse.slicer.org/u/ten)\
**Replies:** 0\
**Last updated:** [June 6, 2017, 3:54pm UTC](https://discourse.slicer.org/t/questions-about-line-profile-part-of-gel-dosimetry-module/446 "2017-06-06T15:54:45Z")

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Hi all, I've been trying out the Gel Dosimetry module and I have two questions about the Line Profile tool. Is there a way to delete lines after creating them? I would think there is one but I cannot seem to find it…

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## [Knee bones segmentation](https://discourse.slicer.org/t/knee-bones-segmentation/359)

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**Author:** [@Hanaana](https://discourse.slicer.org/u/Hanaana)\
**Replies:** 3\
**Last updated:** [June 5, 2017, 5:15am UTC](https://discourse.slicer.org/t/knee-bones-segmentation/359 "2017-06-05T05:15:29Z")

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Hello everyone!! Needing your support. I am trying to segment a femur bone from a knee MRI data but when i finish the segmentation editing and clique apply. the program freezes and then it shut down. Am i doing it…

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## [Image with hardened transform returns to original when opened outside Slicer](https://discourse.slicer.org/t/image-with-hardened-transform-returns-to-original-when-opened-outside-slicer/431)

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**Author:** [@jrobin](https://discourse.slicer.org/u/jrobin)\
**Replies:** 4\
**Last updated:** [June 3, 2017, 6:01pm UTC](https://discourse.slicer.org/t/image-with-hardened-transform-returns-to-original-when-opened-outside-slicer/431 "2017-06-03T18:01:13Z")

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Operating system: Windows 10 Slicer version: 4.6.2 Expected behaviour: After hardening transform, saved image volume will preserve transformed state when opened outside Slicer Actual behaviour: Image returns to origin…

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## [Freesurfer annotation file crashes model module](https://discourse.slicer.org/t/freesurfer-annotation-file-crashes-model-module/382)

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**Author:** [@mrjeffs](https://discourse.slicer.org/u/mrjeffs)\
**Replies:** 15\
**Last updated:** [June 2, 2017, 5:48pm UTC](https://discourse.slicer.org/t/freesurfer-annotation-file-crashes-model-module/382 "2017-06-02T17:48:05Z")

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i tried to load a freesurfer surface lh.pial and then add the lh.aparc.a2009s.annot file to show parcellation which loaded and displayed well but when i touched the model scene selector to turn the model off slicer crash…

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## [Loading ultrasound images into 3d slicer](https://discourse.slicer.org/t/loading-ultrasound-images-into-3d-slicer/414)

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**Author:** [@pcodrington](https://discourse.slicer.org/u/pcodrington)\
**Replies:** 1\
**Last updated:** [June 2, 2017, 1:39pm UTC](https://discourse.slicer.org/t/loading-ultrasound-images-into-3d-slicer/414 "2017-06-02T13:39:52Z")

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I tried loading ultrasound images of a cervix onto 3d Slicer and this error message popped up: Could not load: Unknown - as DWI Volume as a Diffusion Volume. Attached is a folder I tried to load. Thank you in advance…

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## [Convert TRIANGLE\_STRIPS to POLYGONS](https://discourse.slicer.org/t/convert-triangle-strips-to-polygons/408)

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**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\
**Replies:** 1\
**Last updated:** [May 31, 2017, 6:46pm UTC](https://discourse.slicer.org/t/convert-triangle-strips-to-polygons/408 "2017-05-31T18:46:51Z")

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From the mailing list: Hi, I am just one beginner of 3D slicer and try to generate VTK file from MRI image to import into mapping system. However, 3D slicer generated VTK file with TRIANGLE\_STRIPS and I need POLYGONS f…

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## [Segmentation and rotating](https://discourse.slicer.org/t/segmentation-and-rotating/399)

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**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\
**Replies:** 3\
**Last updated:** [May 30, 2017, 1:13am UTC](https://discourse.slicer.org/t/segmentation-and-rotating/399 "2017-05-30T01:13:29Z")

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(Repost from slicer-users) Hi Slicer-Users, I have a DICOM set of MR images (shoulder) and I made it 3D with 3D slicer. \[image\] And with segmentation modul (with scissors) I cut t…

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