# Support

**URL:** https://discourse.slicer.org/c/support/11.md?page=433

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

**Page:** 434

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## [unable to import data](https://discourse.slicer.org/t/unable-to-import-data/1956)

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**Author:** [@dhanunjai](https://discourse.slicer.org/u/dhanunjai)\
**Replies:** 1\
**Last updated:** [January 27, 2018, 5:38pm UTC](https://discourse.slicer.org/t/unable-to-import-data/1956 "2018-01-27T17:38:10Z")

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Could not create IO object for reading file C:/Users/gigabyte!/Desktop/output/pa000/st000/se029/ecg000.dcm Tried to create one of the following: NiftiImageIO NrrdImageIO GiplImageIO JPEGImageIO GDCMImageIO BMPImag…

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## [Creating a new volume from a rotated plane](https://discourse.slicer.org/t/creating-a-new-volume-from-a-rotated-plane/1950)

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**Author:** [@Masteling](https://discourse.slicer.org/u/Masteling)\
**Replies:** 1\
**Last updated:** [January 26, 2018, 10:27pm UTC](https://discourse.slicer.org/t/creating-a-new-volume-from-a-rotated-plane/1950 "2018-01-26T22:27:48Z")

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Hi everyone, My main goal is to segment/label map a anatomical feature in a rotated plane. I’m using MRI and I’m rotating the plane using Reformat to rotate a slice to a given angle. Then I want to segment an anatomica…

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## [seperating a femur from the plevis](https://discourse.slicer.org/t/seperating-a-femur-from-the-plevis/1891)

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**Author:** [@MSilent](https://discourse.slicer.org/u/MSilent)\
**Replies:** 4\
**Last updated:** [January 25, 2018, 8:00pm UTC](https://discourse.slicer.org/t/seperating-a-femur-from-the-plevis/1891 "2018-01-25T20:00:22Z")

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Operating system: Windos Slicer version:latest Expected behavior: segmentation of 2 bones Actual behavior: segmentation colour crosses to both bones I am trying to 3d print a pelvis and a femur from a CT. They have …

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## [3D view of AI detected area](https://discourse.slicer.org/t/3d-view-of-ai-detected-area/1932)

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**Author:** [@js0701](https://discourse.slicer.org/u/js0701)\
**Replies:** 1\
**Last updated:** [January 25, 2018, 7:24pm UTC](https://discourse.slicer.org/t/3d-view-of-ai-detected-area/1932 "2018-01-25T19:24:37Z")

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Hello, I am a new user. What I want to do with 3dslicer: I have a series of DICOM. On each DICOM slicer I want to use a deep learning framework to detect a interesting area(AOI), the detected area is 2D area in a 2d sl…

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## [Source of MRHead sample data set](https://discourse.slicer.org/t/source-of-mrhead-sample-data-set/1931)

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**Author:** [@maria.prado](https://discourse.slicer.org/u/maria.prado)\
**Replies:** 2\
**Last updated:** [January 25, 2018, 7:21pm UTC](https://discourse.slicer.org/t/source-of-mrhead-sample-data-set/1931 "2018-01-25T19:21:48Z")

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Operating system:64 bits Slicer version:4.8.1 Expected behavior: Actual behavior: Is there way to know the information about the patient and the MR specifications of the Sample Data? I need this information for the Sa…

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## [Importing data from patcher](https://discourse.slicer.org/t/importing-data-from-patcher/1922)

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**Author:** [@MSilent](https://discourse.slicer.org/u/MSilent)\
**Replies:** 1\
**Last updated:** [January 24, 2018, 1:55pm UTC](https://discourse.slicer.org/t/importing-data-from-patcher/1922 "2018-01-24T13:55:10Z")

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I get this error message: Unexpected error: std::logic\_error: Calling methods on uninitialized ctkDICOMItem

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## [Loading of MRHead sample data set failed](https://discourse.slicer.org/t/loading-of-mrhead-sample-data-set-failed/1716)

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**Author:** [@mima](https://discourse.slicer.org/u/mima)\
**Replies:** 15\
**Last updated:** [January 23, 2018, 8:58pm UTC](https://discourse.slicer.org/t/loading-of-mrhead-sample-data-set-failed/1716 "2018-01-23T20:58:26Z")

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Hello I download 3Dslicer when i try to doawnload sample data the give me this answer Requesting load MRHead from C:/Users/mima/AppData/Local/Temp/Slicer/RemoteIO/MR-head.nrrd… Load failed! Can one help me please

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## [Creating mesh to save as .obj](https://discourse.slicer.org/t/creating-mesh-to-save-as-obj/1913)

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**Author:** [@nirotu](https://discourse.slicer.org/u/nirotu)\
**Replies:** 4\
**Last updated:** [January 23, 2018, 7:08pm UTC](https://discourse.slicer.org/t/creating-mesh-to-save-as-obj/1913 "2018-01-23T19:08:21Z")

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Operating system: MAC Slicer version:4.8.1 Expected behavior: Actual behavior: Hello: Iam a new comer to Slice. I would like to create a mesh of vessel (from MRI data) and would like to save as .obj file for export …

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## [Get filename of model](https://discourse.slicer.org/t/get-filename-of-model/1909)

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**Author:** [@Frederic](https://discourse.slicer.org/u/Frederic)\
**Replies:** 2\
**Last updated:** [January 23, 2018, 4:29pm UTC](https://discourse.slicer.org/t/get-filename-of-model/1909 "2018-01-23T16:29:25Z")

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Hi all, Is there a way to have the filename of the data.stl loaded (like for the name ‘model.GetName()’)? Thanks in advance!

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## [Can one segment be part of another one?](https://discourse.slicer.org/t/can-one-segment-be-part-of-another-one/1908)

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**Author:** [@AnFr](https://discourse.slicer.org/u/AnFr)\
**Replies:** 2\
**Last updated:** [January 23, 2018, 3:52pm UTC](https://discourse.slicer.org/t/can-one-segment-be-part-of-another-one/1908 "2018-01-23T15:52:09Z")

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Operating system: Windows Slicer version: 4.8 Expected behavior: segmented kidney should be an individual segment AND part of another segment (soft tissue) Actual behavior: as soon as I segmented the kidney and add an…

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## [Error : Could not load: 1: RTPLAN: Prostate1\_v1 as a RT](https://discourse.slicer.org/t/error-could-not-load-1-rtplan-prostate1-v1-as-a-rt/1903)

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**Author:** [@moosaviaskari](https://discourse.slicer.org/u/moosaviaskari)\
**Replies:** 6\
**Last updated:** [January 23, 2018, 2:39pm UTC](https://discourse.slicer.org/t/error-could-not-load-1-rtplan-prostate1-v1-as-a-rt/1903 "2018-01-23T14:39:34Z")

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Hello, I have two questions. I am using Slicer 4.6.2, and the SlicerRT toolkit is installed as well. However, when I import a DICOM file and load it, I receive an error that says Could not load RTPLAN as a RT. How are …

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## [Writing Plus configuration file that sends data from two devices](https://discourse.slicer.org/t/writing-plus-configuration-file-that-sends-data-from-two-devices/1878)

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**Author:** [@jquintero](https://discourse.slicer.org/u/jquintero)\
**Replies:** 2\
**Last updated:** [January 21, 2018, 12:19pm UTC](https://discourse.slicer.org/t/writing-plus-configuration-file-that-sends-data-from-two-devices/1878 "2018-01-21T12:19:04Z")

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Hello, I’d like if it’s possible to do a output device in Plus Toolkit. I’m going to describe the process. I’ll recive from two devices, I want to mix the datas that I recived in plus, and then send via OpenIGTLink to …

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## [Slicer batch processing question (--no-main-window --python-script)](https://discourse.slicer.org/t/slicer-batch-processing-question-no-main-window-python-script/1863)

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**Author:** [@NaglisR](https://discourse.slicer.org/u/NaglisR)\
**Replies:** 7\
**Last updated:** [January 19, 2018, 9:24pm UTC](https://discourse.slicer.org/t/slicer-batch-processing-question-no-main-window-python-script/1863 "2018-01-19T21:24:42Z")

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Hi everyone, I am trying to find the best way to quickly batch process a number of folders containing head MRI dicom files to .nii files. Basically the pipeline should work like this: import the dicom files \> load them …

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## [What is the difference of Compactness 1 and compactness 2 in heterogeneity CAD package? ](https://discourse.slicer.org/t/what-is-the-difference-of-compactness-1-and-compactness-2-in-heterogeneity-cad-package/1867)

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**Author:** [@Teresa](https://discourse.slicer.org/u/Teresa)\
**Replies:** 5\
**Last updated:** [January 19, 2018, 4:02pm UTC](https://discourse.slicer.org/t/what-is-the-difference-of-compactness-1-and-compactness-2-in-heterogeneity-cad-package/1867 "2018-01-19T16:02:02Z")

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Operating system: Windows Slicer version: Newest version Expected behavior: Actual behavior: Hello. I have a question about the compactness 1 and compactness 2 parameters in the Heterogeneity CAD package for tumor s…

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## [Extraction of the centerlines](https://discourse.slicer.org/t/extraction-of-the-centerlines/1865)

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**Author:** [@giuseppe.cardone](https://discourse.slicer.org/u/giuseppe.cardone)\
**Replies:** 3\
**Last updated:** [January 19, 2018, 6:58am UTC](https://discourse.slicer.org/t/extraction-of-the-centerlines/1865 "2018-01-19T06:58:52Z")

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Hi, I would like to extract the centerlines of a vein model that I obtained from the segmentation. When I fix the fiducial points the model of the centerline is empty, in fact if I see the information there is written t…

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## [Crashing when Saving Poly Data (like STLs), Dealing with Big Models](https://discourse.slicer.org/t/crashing-when-saving-poly-data-like-stls-dealing-with-big-models/1861)

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**Author:** [@aiNeander](https://discourse.slicer.org/u/aiNeander)\
**Replies:** 8\
**Last updated:** [January 18, 2018, 4:01pm UTC](https://discourse.slicer.org/t/crashing-when-saving-poly-data-like-stls-dealing-with-big-models/1861 "2018-01-18T16:01:53Z")

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Hi! I’ve been struggling to get a complex model out of slicer and am looking for suggestions. The model is intentionally complex - a didelphis skull with the nasal turbinates intact. I know this will result in a high p…

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## [Change island effect ](https://discourse.slicer.org/t/change-island-effect/1852)

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**Author:** [@opetne](https://discourse.slicer.org/u/opetne)\
**Replies:** 13\
**Last updated:** [January 17, 2018, 12:54pm UTC](https://discourse.slicer.org/t/change-island-effect/1852 "2018-01-17T12:54:01Z")

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Operating system: Windows 10 Slicer version:4.9.0 Expected behavior: Change a color code to another Actual behavior: Delete all the color codes I did air sac segmentation with the Editor module some years ago. For a …

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## [Scheduled Server Maintenance](https://discourse.slicer.org/t/scheduled-server-maintenance/1859)

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**Author:** [@jcfr](https://discourse.slicer.org/u/jcfr)\
**Replies:** 2\
**Last updated:** [January 17, 2018, 1:10am UTC](https://discourse.slicer.org/t/scheduled-server-maintenance/1859 "2018-01-17T01:10:32Z")

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This topic log scheduled maintenance and allows to communicate associated updates.

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## [Extract contours only from a segmentation](https://discourse.slicer.org/t/extract-contours-only-from-a-segmentation/1853)

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**Author:** [@giuseppe.cardone](https://discourse.slicer.org/u/giuseppe.cardone)\
**Replies:** 8\
**Last updated:** [January 16, 2018, 8:19pm UTC](https://discourse.slicer.org/t/extract-contours-only-from-a-segmentation/1853 "2018-01-16T20:19:40Z")

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Operating system: Windows 10 Pro Slicer version: 4.8.1 Hi, I am a new users of 3D Slicers. I have to use it to extract a geometry from a CT-Angiography. This geometry has to be as simple as possible because I should mo…

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## [Bird lung mean HU density](https://discourse.slicer.org/t/bird-lung-mean-hu-density/1858)

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**Author:** [@opetne](https://discourse.slicer.org/u/opetne)\
**Replies:** 0\
**Last updated:** [January 16, 2018, 5:43pm UTC](https://discourse.slicer.org/t/bird-lung-mean-hu-density/1858 "2018-01-16T17:43:20Z")

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I have a dataset from turkeys (bird). I’d like to measure the volume of the lungs at different ages of the animals. In the literature there is an average HU value for some species lungs but not for the turkey. What is th…

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## [How to get same voxel values in Matlab as in Slicer](https://discourse.slicer.org/t/how-to-get-same-voxel-values-in-matlab-as-in-slicer/1854)

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**Author:** [@Kamil](https://discourse.slicer.org/u/Kamil)\
**Replies:** 4\
**Last updated:** [January 16, 2018, 12:51pm UTC](https://discourse.slicer.org/t/how-to-get-same-voxel-values-in-matlab-as-in-slicer/1854 "2018-01-16T12:51:23Z")

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## [Problem to make 3D model](https://discourse.slicer.org/t/problem-to-make-3d-model/1844)

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**Author:** [@Kamil](https://discourse.slicer.org/u/Kamil)\
**Replies:** 2\
**Last updated:** [January 15, 2018, 3:16pm UTC](https://discourse.slicer.org/t/problem-to-make-3d-model/1844 "2018-01-15T15:16:07Z")

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Hi, As usual I wanted to create a 3D model using Editor. I set up the threshold and press Model Maker. However this time I have below error. ERROR: no model scene defined! Using slicer:00000272B4204780#vtkMRMLLabelMap…

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## [How to compare two sets of brain MRI images and give diff color in the different parts?](https://discourse.slicer.org/t/how-to-compare-two-sets-of-brain-mri-images-and-give-diff-color-in-the-different-parts/1831)

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**Author:** [@paul\_seldon](https://discourse.slicer.org/u/paul_seldon)\
**Replies:** 1\
**Last updated:** [January 13, 2018, 3:20pm UTC](https://discourse.slicer.org/t/how-to-compare-two-sets-of-brain-mri-images-and-give-diff-color-in-the-different-parts/1831 "2018-01-13T15:20:02Z")

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Operating system: Window Slicer version: 4.8.1 Expected behavior: I would like to see the difference with red color after comparsion of the two sets of MRI data Actual behavior: 4.8.1 is not loading after I click…

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## [Converting volume to segment?](https://discourse.slicer.org/t/converting-volume-to-segment/1826)

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**Author:** [@tnguyen](https://discourse.slicer.org/u/tnguyen)\
**Replies:** 4\
**Last updated:** [January 13, 2018, 1:46am UTC](https://discourse.slicer.org/t/converting-volume-to-segment/1826 "2018-01-13T01:46:19Z")

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Hi everyone, I am new to Slicer and I have a quick question, I used the Editor module to carve out a volume and make a model with that volume (resulting in a nrrd and mrml files). I thought this was a segment and attem…

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## [Load pictures from LayerQam ](https://discourse.slicer.org/t/load-pictures-from-layerqam/1785)

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**Author:** [@marcro](https://discourse.slicer.org/u/marcro)\
**Replies:** 7\
**Last updated:** [January 12, 2018, 3:19pm UTC](https://discourse.slicer.org/t/load-pictures-from-layerqam/1785 "2018-01-12T15:19:09Z")

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Hello, Im working with 3D Printing using Arcam EBM technology. In the EBM machine there is something called LayerQam, a camera that takes pictures on every layer that is melted during the build, with the main purpose to…

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## [Cardiac Agatston calcium score](https://discourse.slicer.org/t/cardiac-agatston-calcium-score/1813)

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**Author:** [@jwalravens](https://discourse.slicer.org/u/jwalravens)\
**Replies:** 1\
**Last updated:** [January 12, 2018, 6:23am UTC](https://discourse.slicer.org/t/cardiac-agatston-calcium-score/1813 "2018-01-12T06:23:33Z")

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Operating system: Windows Embedded standard (service Pack1) 64Bit Slicer version: 4.8 Expected behavior: Actual behavior: after installing the Cardiacagatston extension, is it impossible to activate this application. …

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## [Using segmentations from ChangeTracker](https://discourse.slicer.org/t/using-segmentations-from-changetracker/1814)

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**Author:** [@JohnK](https://discourse.slicer.org/u/JohnK)\
**Replies:** 1\
**Last updated:** [January 11, 2018, 9:37pm UTC](https://discourse.slicer.org/t/using-segmentations-from-changetracker/1814 "2018-01-11T21:37:16Z")

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I was successful in running the ChangeTracker module on longitudinal astrocytomas that had a homogeneous contrast signal. It worked great but I did not save the final results (assuming I could recall them when reloading …

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## [Slicer4 Download stops at 5mb](https://discourse.slicer.org/t/slicer4-download-stops-at-5mb/1807)

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**Author:** [@Tybalt](https://discourse.slicer.org/u/Tybalt)\
**Replies:** 2\
**Last updated:** [January 11, 2018, 4:46am UTC](https://discourse.slicer.org/t/slicer4-download-stops-at-5mb/1807 "2018-01-11T04:46:27Z")

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Operating system: Windows 10 Slicer version: 4.8.1 Expected behavior: For the download to complete Actual behavior: Download stops at 5mb. Multiple attempts and restarted system. Using Chrome to download.

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## [Conversion of DICOM to STL using 3D Slicer](https://discourse.slicer.org/t/conversion-of-dicom-to-stl-using-3d-slicer/1810)

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**Author:** [@klintx211](https://discourse.slicer.org/u/klintx211)\
**Replies:** 2\
**Last updated:** [January 11, 2018, 4:42am UTC](https://discourse.slicer.org/t/conversion-of-dicom-to-stl-using-3d-slicer/1810 "2018-01-11T04:42:20Z")

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I’ve seen tutorials on converting a set of DICOM files to a 3D STL model. Many recommend using 3D Slicer. 3D Slicer takes in DICOM files but returns an NRRD file instead of an STL. My question is what exactly did 3D Slic…

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## [Is it possible to convert X ray Roentgen data to CaD/stl data?](https://discourse.slicer.org/t/is-it-possible-to-convert-x-ray-roentgen-data-to-cad-stl-data/1800)

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**Author:** [@LeventUremez](https://discourse.slicer.org/u/LeventUremez)\
**Replies:** 1\
**Last updated:** [January 9, 2018, 10:19pm UTC](https://discourse.slicer.org/t/is-it-possible-to-convert-x-ray-roentgen-data-to-cad-stl-data/1800 "2018-01-09T22:19:52Z")

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Operating system: Slicer version: Expected behavior: Actual behavior:

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