# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=416

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

**Page:** 417

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## [Cannot open slicer after OS crash](https://discourse.slicer.org/t/cannot-open-slicer-after-os-crash/3635)

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**Author:** [@dude2k5](https://discourse.slicer.org/u/dude2k5)\
**Replies:** 2\
**Last updated:** [August 2, 2018, 3:32pm UTC](https://discourse.slicer.org/t/cannot-open-slicer-after-os-crash/3635 "2018-08-02T15:32:38Z")

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My windows 10 crashed in the middle of slicing a file. When I rebooted, the program no longer opens. It tries to open then closes fast (in the task manager). I’ve tried reinstalling it. I tried removing and reinstalling …

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## [Motion correction in DSCMRIAnalysis?](https://discourse.slicer.org/t/motion-correction-in-dscmrianalysis/3621)

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**Author:** [@Kyu\_Sung\_Choi](https://discourse.slicer.org/u/Kyu_Sung_Choi)\
**Replies:** 1\
**Last updated:** [August 1, 2018, 6:31am UTC](https://discourse.slicer.org/t/motion-correction-in-dscmrianalysis/3621 "2018-08-01T06:31:51Z")

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Dear Dr. Fedorov, I have a question about DSCMRIAnalysis module. 1. Is there a motion correction, noise thresholding, and leakage correction function implemented in the module? Actually I am trying to register rCBV ma…

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## [How can I convert NIFTI files to NRRD files without .bvec nor .bval files?](https://discourse.slicer.org/t/how-can-i-convert-nifti-files-to-nrrd-files-without-bvec-nor-bval-files/3618)

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**Author:** [@Kyu\_Sung\_Choi](https://discourse.slicer.org/u/Kyu_Sung_Choi)\
**Replies:** 2\
**Last updated:** [August 1, 2018, 12:45am UTC](https://discourse.slicer.org/t/how-can-i-convert-nifti-files-to-nrrd-files-without-bvec-nor-bval-files/3618 "2018-08-01T00:45:52Z")

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Hello, I am working with DSC NIFTI files, however I need to convert these into NRRD files. I know that there’s a module named DWIConvert, but I think you need .bvec or .bval files to use it. (Actually I have DSC dicom…

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## [Diffusion-weighted DICOM Import (DWIConvert) standard error](https://discourse.slicer.org/t/diffusion-weighted-dicom-import-dwiconvert-standard-error/3086)

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**Author:** [@Egor](https://discourse.slicer.org/u/Egor)\
**Replies:** 3\
**Last updated:** [July 31, 2018, 1:34pm UTC](https://discourse.slicer.org/t/diffusion-weighted-dicom-import-dwiconvert-standard-error/3086 "2018-07-31T13:34:28Z")

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I have the problem with with DWIConvert module (DICOM to nrrd). In the window below: Diffusion-weighted DICOM Import (DWIConvert) standard error: W: DcmItem: Length of element (5a4d,0090) is odd E: DcmElement: Unknow…

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## [How can I register rCBV map from DSCMRIAnalysis module to T1-weighted contrast enhanced images?](https://discourse.slicer.org/t/how-can-i-register-rcbv-map-from-dscmrianalysis-module-to-t1-weighted-contrast-enhanced-images/3606)

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**Author:** [@Kyu\_Sung\_Choi](https://discourse.slicer.org/u/Kyu_Sung_Choi)\
**Replies:** 1\
**Last updated:** [July 30, 2018, 1:36pm UTC](https://discourse.slicer.org/t/how-can-i-register-rcbv-map-from-dscmrianalysis-module-to-t1-weighted-contrast-enhanced-images/3606 "2018-07-30T13:36:34Z")

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Dear Dr.Fedorov, Thanks to your awesome works, I managed to make colored rCBV maps from DSC dicom files using DSCMRIAnalysis module. However, I was trying to register the rCBV maps as well as 4D DSC images to T1-weight…

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## [Single slice nifti loaded as 2 slice volume](https://discourse.slicer.org/t/single-slice-nifti-loaded-as-2-slice-volume/3592)

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**Author:** [@Felix\_Navarro\_Guirad](https://discourse.slicer.org/u/Felix_Navarro_Guirad)\
**Replies:** 5\
**Last updated:** [July 30, 2018, 10:18am UTC](https://discourse.slicer.org/t/single-slice-nifti-loaded-as-2-slice-volume/3592 "2018-07-30T10:18:27Z")

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Dear all, I’m having a issue while loading a single slice nifti file. When I load this file (1.nii) into slicer, the volume module informs me about that it is a 2 slice volume but it should be 1 slice only. I created t…

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## [MultiVolumeImporter problem in DSCMRIAnalysis module](https://discourse.slicer.org/t/multivolumeimporter-problem-in-dscmrianalysis-module/3591)

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**Author:** [@Kyu\_Sung\_Choi](https://discourse.slicer.org/u/Kyu_Sung_Choi)\
**Replies:** 2\
**Last updated:** [July 29, 2018, 10:13am UTC](https://discourse.slicer.org/t/multivolumeimporter-problem-in-dscmrianalysis-module/3591 "2018-07-29T10:13:36Z")

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Dear Dr.Fedorov, I’ve found another missing attribute in MultiVolumeImporter for input of DSCMRIAnalysis module. I’ll send you the DSC dicom files via Email, because I cannot upload .dcm files here. Could you pleas…

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## [Scripting Dicom load](https://discourse.slicer.org/t/scripting-dicom-load/3597)

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**Author:** [@bphilip](https://discourse.slicer.org/u/bphilip)\
**Replies:** 1\
**Last updated:** [July 28, 2018, 4:38pm UTC](https://discourse.slicer.org/t/scripting-dicom-load/3597 "2018-07-28T16:38:23Z")

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Operating system: Windows 10 Slicer version: 4.8.1 Expected behavior/Goal: Load DICOMS --\> Show Scene --\> Rigid Register them --\> Export as nifti’s to an output dir Programming Level: Beginner Actual behavior: Import…

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## [Need to convert color dicom to grayscale](https://discourse.slicer.org/t/need-to-convert-color-dicom-to-grayscale/3590)

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**Author:** [@travesty82](https://discourse.slicer.org/u/travesty82)\
**Replies:** 4\
**Last updated:** [July 27, 2018, 3:36pm UTC](https://discourse.slicer.org/t/need-to-convert-color-dicom-to-grayscale/3590 "2018-07-27T15:36:31Z")

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Operating system: Windows 7 Slicer version: 4.8.1 Expected behavior: Convert to grayscale Actual behavior: Cannot load as a scalar volume I have PET images that I want to get the SUV values from certain ROIs. However…

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## [Merge Dicom Files](https://discourse.slicer.org/t/merge-dicom-files/3587)

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**Author:** [@ajsenelle](https://discourse.slicer.org/u/ajsenelle)\
**Replies:** 1\
**Last updated:** [July 26, 2018, 6:16pm UTC](https://discourse.slicer.org/t/merge-dicom-files/3587 "2018-07-26T18:16:31Z")

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Operating system: Windows 10 Slicer version: 4.8 Expected behavior: Actual behavior: I have taken multiple CT scans of the parts of one object. Now i have 4 Dicom Files. I wish to combine these files so that there is…

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## [Remove textual information on the 2D anatomical view](https://discourse.slicer.org/t/remove-textual-information-on-the-2d-anatomical-view/3582)

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**Author:** [@Dedy\_Ariansyah](https://discourse.slicer.org/u/Dedy_Ariansyah)\
**Replies:** 1\
**Last updated:** [July 26, 2018, 1:13pm UTC](https://discourse.slicer.org/t/remove-textual-information-on-the-2d-anatomical-view/3582 "2018-07-26T13:13:42Z")

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Hello, I want to capture the 2D anatomical views in Slicer and save them in the image format such as PNG. However, there are some textual information on each 2D anatomical viewer. Is there a way in Slicer to remove the…

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## [How to change or add the Reference Volume of a Segmentation?](https://discourse.slicer.org/t/how-to-change-or-add-the-reference-volume-of-a-segmentation/3458)

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**Author:** [@MMMPPPMMM](https://discourse.slicer.org/u/MMMPPPMMM)\
**Replies:** 3\
**Last updated:** [July 26, 2018, 12:45pm UTC](https://discourse.slicer.org/t/how-to-change-or-add-the-reference-volume-of-a-segmentation/3458 "2018-07-26T12:45:17Z")

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How do I change or add the Reference Volume of an Active Segmentation? Change? Add? Thanks in advance

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## [After saving the segmentation re-editing the data](https://discourse.slicer.org/t/after-saving-the-segmentation-re-editing-the-data/3562)

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**Author:** [@aksu](https://discourse.slicer.org/u/aksu)\
**Replies:** 3\
**Last updated:** [July 26, 2018, 3:53am UTC](https://discourse.slicer.org/t/after-saving-the-segmentation-re-editing-the-data/3562 "2018-07-26T03:53:18Z")

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Operating system:MacOS 10.13.6 Slicer version:4.8.1 After saving the segmentation, I couldn’t re-edit or add another segmentation to data. How could I fix that problem? Thank you

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## [Help Finding Shortcut Keys](https://discourse.slicer.org/t/help-finding-shortcut-keys/3578)

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**Author:** [@Charles\_Forsythe1](https://discourse.slicer.org/u/Charles_Forsythe1)\
**Replies:** 2\
**Last updated:** [July 26, 2018, 3:49am UTC](https://discourse.slicer.org/t/help-finding-shortcut-keys/3578 "2018-07-26T03:49:50Z")

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Does anyone know the shortcut keys for these: How to turn on/off the ‘eye’ icon next to the segments in ‘segment editor’? How to fill in the space when you paint a circle? Shortcut for the ‘Four Up’ key? Here are some…

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## [Having difficulty getting MRI to show up](https://discourse.slicer.org/t/having-difficulty-getting-mri-to-show-up/3544)

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**Author:** [@Charles\_Forsythe](https://discourse.slicer.org/u/Charles_Forsythe)\
**Replies:** 12\
**Last updated:** [July 25, 2018, 8:54pm UTC](https://discourse.slicer.org/t/having-difficulty-getting-mri-to-show-up/3544 "2018-07-25T20:54:45Z")

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Hi everyone, I am making 3D models of the knee. I ‘paint’ the bones of the knee (on a MRI), then make a 3D model but when I reopen the model the MRI images will not reopen but the paint is still there. Can someone pleas…

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## [Can you use grow from seeds on a thresholded segment](https://discourse.slicer.org/t/can-you-use-grow-from-seeds-on-a-thresholded-segment/3576)

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**Author:** [@Shamay\_Agaron](https://discourse.slicer.org/u/Shamay_Agaron)\
**Replies:** 3\
**Last updated:** [July 25, 2018, 8:38pm UTC](https://discourse.slicer.org/t/can-you-use-grow-from-seeds-on-a-thresholded-segment/3576 "2018-07-25T20:38:58Z")

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In the segment editor, is it possible to apply grow from seeds not only to the master volume, but directly onto a thresholded segment?

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## [Combining Segmentations of Different MRI files](https://discourse.slicer.org/t/combining-segmentations-of-different-mri-files/3238)

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**Author:** [@rnahum](https://discourse.slicer.org/u/rnahum)\
**Replies:** 11\
**Last updated:** [July 25, 2018, 8:36pm UTC](https://discourse.slicer.org/t/combining-segmentations-of-different-mri-files/3238 "2018-07-25T20:36:45Z")

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Hello! I segmented the sagittal, coronal, and axial views of MRI scans of three separate .nrrd files and I made an individual segmentation for each view. Is there a way that I can combine these three segmentations into …

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## [Convert label map volume into a scalarvolumenode](https://discourse.slicer.org/t/convert-label-map-volume-into-a-scalarvolumenode/3550)

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**Author:** [@Laura](https://discourse.slicer.org/u/Laura)\
**Replies:** 20\
**Last updated:** [July 25, 2018, 12:42pm UTC](https://discourse.slicer.org/t/convert-label-map-volume-into-a-scalarvolumenode/3550 "2018-07-25T12:42:21Z")

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Good morning, To convert my label map volume into a scalarvolumenode after correction on Segment editor and “export” the label map, I have some difficulties… I am able to convert this updated label map into a numpy arr…

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## [How can I convert DICOM series to NRRD files in batch mode?](https://discourse.slicer.org/t/how-can-i-convert-dicom-series-to-nrrd-files-in-batch-mode/3421)

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**Author:** [@Kyu\_Sung\_Choi](https://discourse.slicer.org/u/Kyu_Sung_Choi)\
**Replies:** 11\
**Last updated:** [July 24, 2018, 5:46am UTC](https://discourse.slicer.org/t/how-can-i-convert-dicom-series-to-nrrd-files-in-batch-mode/3421 "2018-07-24T05:46:33Z")

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Dear Dr. Fedorov, I want to convert DICOM series to NRRD files in batch mode in order to feed the NRRD files to make rCBV maps using DSCMRIAnalysis module in batch mode. However, I can’t figure out how to convert DI…

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## [Bin width in Pyradiomics ](https://discourse.slicer.org/t/bin-width-in-pyradiomics/3552)

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**Author:** [@mnchyy](https://discourse.slicer.org/u/mnchyy)\
**Replies:** 1\
**Last updated:** [July 23, 2018, 11:05pm UTC](https://discourse.slicer.org/t/bin-width-in-pyradiomics/3552 "2018-07-23T23:05:13Z")

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Hello I’m working on Pyradiomics in 3D Slicer and I found that I can only adjust bin width up to only 100. Is there any possible way to change the bin width more than 100? many thanks

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## [DCE: Only a portion of voxels are fit](https://discourse.slicer.org/t/dce-only-a-portion-of-voxels-are-fit/3464)

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**Author:** [@bmb777](https://discourse.slicer.org/u/bmb777)\
**Replies:** 7\
**Last updated:** [July 23, 2018, 2:42pm UTC](https://discourse.slicer.org/t/dce-only-a-portion-of-voxels-are-fit/3464 "2018-07-23T14:42:10Z")

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Using the PKmodeling extension once the dynamic contrast data has been fit and the individual voxel data visually assessed a portion of the voxels are not fit. This doesn’t appear to be related to noise or data quality. …

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## [Generate a plane through the markups](https://discourse.slicer.org/t/generate-a-plane-through-the-markups/3273)

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**Author:** [@George](https://discourse.slicer.org/u/George)\
**Replies:** 12\
**Last updated:** [July 23, 2018, 4:22am UTC](https://discourse.slicer.org/t/generate-a-plane-through-the-markups/3273 "2018-07-23T04:22:32Z")

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Hello! I’m very sorry if this problem has already been resolved, but I didn’t manage to find the answer. I need to draw (generate?) a large plane that passes through the three points (markups) as depicted in this photosh…

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## [How to save label image with background](https://discourse.slicer.org/t/how-to-save-label-image-with-background/3548)

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**Author:** [@Suradech](https://discourse.slicer.org/u/Suradech)\
**Replies:** 6\
**Last updated:** [July 23, 2018, 4:18am UTC](https://discourse.slicer.org/t/how-to-save-label-image-with-background/3548 "2018-07-23T04:18:59Z")

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Hello Everyone, I am segmenting and labeling brain lesions on the MRI brain, but I cannot save the image with background. The results what I have is image labeling lesion only without background on nii. Do you know how…

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## [Loading in a segmentation generated outside slicer (on matlab)](https://discourse.slicer.org/t/loading-in-a-segmentation-generated-outside-slicer-on-matlab/3556)

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**Author:** [@Nassir](https://discourse.slicer.org/u/Nassir)\
**Replies:** 2\
**Last updated:** [July 22, 2018, 9:23pm UTC](https://discourse.slicer.org/t/loading-in-a-segmentation-generated-outside-slicer-on-matlab/3556 "2018-07-22T21:23:17Z")

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Hey guys! I’m trying to load a scalar volume that was exported out of slicer, “WHS\_SD\_rat\_atlas\_v2\_original”, back in as a segmentation. The whole reason I am doing this is to avoid manually defining the segments. To do…

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## [About a warning in loading data](https://discourse.slicer.org/t/about-a-warning-in-loading-data/3557)

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**Author:** [@RitchieAlhpa](https://discourse.slicer.org/u/RitchieAlhpa)\
**Replies:** 1\
**Last updated:** [July 22, 2018, 8:26pm UTC](https://discourse.slicer.org/t/about-a-warning-in-loading-data/3557 "2018-07-22T20:26:32Z")

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I’d like to ask u a question about this software when loading data and saving report. I don’t understand why the software always output the warning? Is the warning matter? Can I ignore it?

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## [How to refresh window when we finish segment & label and open another patient's dicom file](https://discourse.slicer.org/t/how-to-refresh-window-when-we-finish-segment-label-and-open-another-patients-dicom-file/3554)

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**Author:** [@RitchieAlhpa](https://discourse.slicer.org/u/RitchieAlhpa)\
**Replies:** 1\
**Last updated:** [July 22, 2018, 2:36am UTC](https://discourse.slicer.org/t/how-to-refresh-window-when-we-finish-segment-label-and-open-another-patients-dicom-file/3554 "2018-07-22T02:36:34Z")

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Operating system:win10 Slicer version:4.8.1 Expected behavior: I use Quantitative Reporting to do the segment and label. When I save and load another patient’s dicom file, I wish the software should refresh and clear t…

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## [create defected area ](https://discourse.slicer.org/t/create-defected-area/3547)

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**Author:** [@giulia29](https://discourse.slicer.org/u/giulia29)\
**Replies:** 1\
**Last updated:** [July 22, 2018, 2:41am UTC](https://discourse.slicer.org/t/create-defected-area/3547 "2018-07-22T02:41:24Z")

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Operating system: windows Slicer version: slicer 4.8.1 Expected behavior: Actual behavior: I can’t create a missing area of ​​a skullcap, I watch a tutorial on you tube but it refers to a very previous version and t…

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## [Heart auto segmentation in CT images](https://discourse.slicer.org/t/heart-auto-segmentation-in-ct-images/3549)

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**Author:** [@aseman](https://discourse.slicer.org/u/aseman)\
**Replies:** 1\
**Last updated:** [July 22, 2018, 2:40am UTC](https://discourse.slicer.org/t/heart-auto-segmentation-in-ct-images/3549 "2018-07-22T02:40:31Z")

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Hi 3D slicer experts: I want to segment the heart in CT images automatically , but I don’t know any thing about it. could you guide me about this? thanks

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## [Annotation Ruler ](https://discourse.slicer.org/t/annotation-ruler/1550)

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**Author:** [@pkharris](https://discourse.slicer.org/u/pkharris)\
**Replies:** 14\
**Last updated:** [July 21, 2018, 5:07am UTC](https://discourse.slicer.org/t/annotation-ruler/1550 "2018-07-21T05:07:54Z")

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Hello! I am using 3D Slicer in order to measure certain vertical measurements and angular measurements of the mandible. I am noticing that the millimeter measurements are not giving me the correct measurement. For examp…

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## [How I can link axial, sagittal, and coronal view in 3d slicer](https://discourse.slicer.org/t/how-i-can-link-axial-sagittal-and-coronal-view-in-3d-slicer/1261)

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**Author:** [@a.mortazi](https://discourse.slicer.org/u/a.mortazi)\
**Replies:** 31\
**Last updated:** [July 20, 2018, 1:33pm UTC](https://discourse.slicer.org/t/how-i-can-link-axial-sagittal-and-coronal-view-in-3d-slicer/1261 "2018-07-20T13:33:49Z")

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Operating system:Ubuntu 14 Slicer version:4.6 Assume I am scrolling through slices in the axial view and I want to know the position of current slice in the sagittal or coronal view (i.e as a line). Any help is apprec…

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