# Crosshair vs Slice Intersections

**URL:** https://discourse.slicer.org/t/crosshair-vs-slice-intersections/21700
**Category:** Support
**Tags:** crosshair
**Created:** [January 29, 2022, 9:16pm UTC](https://discourse.slicer.org/t/crosshair-vs-slice-intersections/21700 "2022-01-29T21:16:34Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![jamesobutler](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/jamesobutler/32/7511_2.png) [@jamesobutler](https://discourse.slicer.org/u/jamesobutler)
#### Post date: [January 29, 2022, 9:22pm UTC](https://discourse.slicer.org/t/crosshair-vs-slice-intersections/21700/2 "2022-01-29T21:22:11Z")

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In my Slicer custom application I already make the modification to make Slice Intersection the default action for the QToolButton, but I still don’t quite understand the difference of when to use Crosshair vs Slice Intersections.

![image](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/1/4/143644ef6afd3fc97cfe55f57cc6020110795eb1.png)

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