# Why can I only lable the center part of the images?

**URL:** <https://discourse.slicer.org/t/why-can-i-only-lable-the-center-part-of-the-images/40599>\
**Category:** Support\
**Tags:** segmentation, segmentations, segment-editor\
**Created:** [December 9, 2024, 11:07pm UTC](https://discourse.slicer.org/t/why-can-i-only-lable-the-center-part-of-the-images/40599 "2024-12-09T23:07:18Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Dan\_Cheng](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/dan_cheng/32/78794_2.png) [@Dan\_Cheng](https://discourse.slicer.org/u/Dan_Cheng)\
**Post date:** [December 9, 2024, 11:07pm UTC](https://discourse.slicer.org/t/why-can-i-only-lable-the-center-part-of-the-images/40599/1 "2024-12-09T23:07:18Z")

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![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/a/2/a2c7cec410e49512093eb4cab10caaf1f7162d2c.jpeg)  
this is the geometry of images  
 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/0/5/05876f56a2db66349c000d172febdcaf52530893.png)

this is the geometry of segementation

 ![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/e/a/eaf7d40ea5143535b8007908a0a94ffe3aba18a0.png)  
I donot manually change anything  
just wondering if this is the problem? if it is, how to solve this? many thx!

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**Author:** ![cpinter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/cpinter/32/7995_2.png) [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Post date:** [December 10, 2024, 10:05am UTC](https://discourse.slicer.org/t/why-can-i-only-lable-the-center-part-of-the-images/40599/2 "2024-12-10T10:05:29Z")

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You need to make sure the source volume is the one you actually segment. Try this:

- Make sure you use the latest Slicer
- Load your volume
- Go to Segment Editor
- Make sure “Source volume” is the one you want to segment **before** you create a new segment
- Start segmenting

If this does not work we need to know what you do exactly, preferibly with a video from the beginning.

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**Author:** ![Dan\_Cheng](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/dan_cheng/32/78794_2.png) [@Dan\_Cheng](https://discourse.slicer.org/u/Dan_Cheng)\
**Post date:** [December 10, 2024, 10:27pm UTC](https://discourse.slicer.org/t/why-can-i-only-lable-the-center-part-of-the-images/40599/3 "2024-12-10T22:27:15Z")

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Hello Csaba,

Thank you very much for your reply. The problem was solved by using the latest version.  
Thanks again.