# How can I approximate the magic wand tool in Avizo/Amira?

**URL:** <https://discourse.slicer.org/t/how-can-i-approximate-the-magic-wand-tool-in-avizo-amira/29611>\
**Category:** Support\
**Tags:** segmentation, extensions\
**Created:** [May 23, 2023, 7:27pm UTC](https://discourse.slicer.org/t/how-can-i-approximate-the-magic-wand-tool-in-avizo-amira/29611 "2023-05-23T19:27:27Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![muratmaga](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/muratmaga/32/3622_2.png) [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Post date:** [May 23, 2023, 8:03pm UTC](https://discourse.slicer.org/t/how-can-i-approximate-the-magic-wand-tool-in-avizo-amira/29611/4 "2023-05-23T20:03:06Z")

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> [@Russell\_Engelman](#):
>
> all objects that are not truly

A single voxel that touches both structures in a single slice would block split islands. A quick and simple way to deal with that is to shrink your segment by 1-2 voxels, run your split islands tool, and then dilate each new segment the same amount you shrank.

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