# Seed Grow Segmentation tool
**URL:** https://discourse.slicer.org/t/seed-grow-segmentation-tool/25687
**Category:** Support
**Tags:** segmentation
**Created:** [October 13, 2022, 4:39pm UTC](https://discourse.slicer.org/t/seed-grow-segmentation-tool/25687 "2022-10-13T16:39:31Z")
**Posts on this page:** 7
**Page:** 1
### Author:  [@davidP](https://discourse.slicer.org/u/davidP)
#### Post date: [October 13, 2022, 4:39pm UTC](https://discourse.slicer.org/t/seed-grow-segmentation-tool/25687/1 "2022-10-13T16:39:31Z")
Is it possible to ‘rerun’ the seed grow tool on a segment? That is to say, I ran a seed grow and got a pretty good 3d image, but some sections did not ‘grow’ as they should. IF I go back into the editor and add more seeds into these areas (using paint for example) and rerun the seed grow, it does not seem to add any more to the segment based on the new seeds.
ANy thoughts??
thank you
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### Author:  [@rbumm](https://discourse.slicer.org/u/rbumm)
#### Post date: [October 14, 2022, 8:23am UTC](https://discourse.slicer.org/t/seed-grow-segmentation-tool/25687/2 "2022-10-14T08:23:39Z")
After Grow From Seeds “Apply” and having a result that does not satisfy you, you could press “Undo last editing operation”
and “initialize” Grow from seeds again. This would use your previous seeds. Then add some paint strokes where the segmentation needs them.
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### Author:  [@rbumm](https://discourse.slicer.org/u/rbumm)
#### Post date: [October 14, 2022, 8:43am UTC](https://discourse.slicer.org/t/seed-grow-segmentation-tool/25687/3 "2022-10-14T08:43:52Z")
The other thing you could do is:
Clear the “outer” bordering segment, which is usually disabled after pressing “Apply” in “Grow from seeds”.
Then paint a new outer border segment:
and press “Initialize” again. Do your modifications by adding additional paint strokes.
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### Author:  [@RosieB](https://discourse.slicer.org/u/RosieB)
#### Post date: [April 4, 2024, 11:17am UTC](https://discourse.slicer.org/t/seed-grow-segmentation-tool/25687/4 "2024-04-04T11:17:10Z")
Hello, I have probably quite a basic question about this tool. I have defined two segments with some painted regions, but when I initialize the Grow from seed tool, I get an error message saying
Segmentation operation failed: minimum 2 visible segments is required. But I have added 2 segments"
I will try to add a shot of the error
Grateful for your advice, thanks
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### Author:  [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [April 6, 2024, 4:14am UTC](https://discourse.slicer.org/t/seed-grow-segmentation-tool/25687/5 "2024-04-06T04:14:08Z")
Please use the latest Slicer Preview Release. The problem is probably already fixed there.
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### Author:  [@RosieB](https://discourse.slicer.org/u/RosieB)
#### Post date: [April 8, 2024, 10:28am UTC](https://discourse.slicer.org/t/seed-grow-segmentation-tool/25687/6 "2024-04-08T10:28:22Z")
How embarrassing- thank you very much for your help :)))
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### Author:  [@lassoan](https://discourse.slicer.org/u/lassoan)
#### Post date: [April 8, 2024, 1:33pm UTC](https://discourse.slicer.org/t/seed-grow-segmentation-tool/25687/7 "2024-04-08T13:33:38Z")
No problem at all. Probably the bug reporting instructions did not emphasize enough that it is worth trying the Slicer Preview Release. I’ve submitted a [change proposal](https://github.com/Slicer/Slicer/pull/7686) to add this directly to the documentaiton.