# Weird Display Issue?

**URL:** <https://discourse.slicer.org/t/weird-display-issue/19751>\
**Category:** Support\
**Tags:** slicermorph\
**Created:** [September 20, 2021, 12:01am UTC](https://discourse.slicer.org/t/weird-display-issue/19751 "2021-09-20T00:01:52Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![mollyselba](https://avatars.discourse-cdn.com/v4/letter/m/a9a28c/32.png) [@mollyselba](https://discourse.slicer.org/u/mollyselba)\
**Post date:** [September 20, 2021, 12:01am UTC](https://discourse.slicer.org/t/weird-display-issue/19751/1 "2021-09-20T00:01:52Z")

</div>

Has anyone else had this issue with random circles appearing in their volumes? The issue only appeared when I switched to the more recent version of 3D Slicer. The size/configuration of circles does not change when I zoom in/out. Any input on how to fix it would be greatly appreciated.

 ![Capture](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/4/3/439688466b3c33516a922c80595a0123aa1a1555.jpeg)  
 ![Capture2](https://us1.discourse-cdn.com/flex002/uploads/slicer/original/3X/c/8/c8cd647e43ac4b12ed6b011ef7036548b313bdcb.jpeg)

Operating system: Windows 10 Pro  
Slicer version: 4.12.0-2021-09-17  
Expected behavior:  
Actual behavior:

---

<div class="post-metadata">

**Author:** ![lassoan](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/lassoan/32/13_2.png) [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Post date:** [September 20, 2021, 12:05am UTC](https://discourse.slicer.org/t/weird-display-issue/19751/2 "2021-09-20T00:05:07Z")

</div>

Those are the control points of the annotation ROI widget corrupting the alpha channel of the volume renderer.

You can probably make those go away by enabling/disabling depth peeling and/or using the new markups ROI widget, or just by hiding the annotation ROI widget.