# Using volume import module for 3D Slicer to extract image stacks from .vol files
**URL:** https://discourse.slicer.org/t/using-volume-import-module-for-3d-slicer-to-extract-image-stacks-from-vol-files/25008
**Category:** Support
**Tags:** volume, conversion
**Created:** [August 30, 2022, 5:50pm UTC](https://discourse.slicer.org/t/using-volume-import-module-for-3d-slicer-to-extract-image-stacks-from-vol-files/25008 "2022-08-30T17:50:01Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@Lastom](https://discourse.slicer.org/u/Lastom)
#### Post date: [August 30, 2022, 5:50pm UTC](https://discourse.slicer.org/t/using-volume-import-module-for-3d-slicer-to-extract-image-stacks-from-vol-files/25008/1 "2022-08-30T17:50:01Z")
Hello everyone,
I’m pretty new to using the 3D slicer software and recently downloaded it to convert .vol files to image stacks using this plugin by @muratmaga:
> **[GitHub - chz31/VolImportModule](https://github.com/chz31/VolImportModule)**
>
> Contribute to chz31/VolImportModule development by creating an account on GitHub.
I managed to already visualize my data in the program after generating an NHDR file. However, I still don’t quite know how to extract image stacks using this plugin. I tried to then save the scene in the .TIFF format, but when I do so, I only get one single image file that I can’t open containing all the data.
Unfortunately, I don’t have any programming experience with Python and many previous posts I saw related to my issue discussed some Python scripts to solve this. So if anyone knows a different and more simple solution to this issue, I’d appreciate your input!
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### Author:  [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [August 30, 2022, 6:11pm UTC](https://discourse.slicer.org/t/using-volume-import-module-for-3d-slicer-to-extract-image-stacks-from-vol-files/25008/2 "2022-08-30T18:11:04Z")
NRRD (or NHDR) file format can store an image stack in a convenient single-file format, preserving essential 3D geometry information. Therefore, in general you don’t want to downgrade to storing the image in a stack of TIFF files.
Can you describe your overall goal? What software are you planning to use for analyzing a TIFF stack?
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### Author:  [@Lastom](https://discourse.slicer.org/u/Lastom)
#### Post date: [August 31, 2022, 2:20pm UTC](https://discourse.slicer.org/t/using-volume-import-module-for-3d-slicer-to-extract-image-stacks-from-vol-files/25008/3 "2022-08-31T14:20:19Z")
I’m planning to segment the data using the Dragonfly software and previously, with other data sets, I’ve always used TIFF image stacks for that. I have not seen the option to load NHDR files into Dragonfly.
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### Author:  [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [August 31, 2022, 7:27pm UTC](https://discourse.slicer.org/t/using-volume-import-module-for-3d-slicer-to-extract-image-stacks-from-vol-files/25008/4 "2022-08-31T19:27:36Z")
You can load NIFTI images (saved in Slicer as .hdr file) into Dragonfly. I would suggest to submit a feature request for Dragonfly for NRRD loading, as it is very easy to implement and a basic requirement for an image computing research software.
In general Slicer is much more capable software than Dragonfly: it has much more features and it is free and customizable and extensible. Is there any specific feature of Drafonfly that you don’t find in Slicer?
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### Author:  [@Lastom](https://discourse.slicer.org/u/Lastom)
#### Post date: [September 1, 2022, 1:35pm UTC](https://discourse.slicer.org/t/using-volume-import-module-for-3d-slicer-to-extract-image-stacks-from-vol-files/25008/5 "2022-09-01T13:35:06Z")
Thank you, I’ll try that out.
Regarding the softwares, I’ve just always worked with Dragonfly in the past and the video editing in Dragonfly is very smooth. In Slicer, I have yet to get acquainted with all the different features and the segmentation options.