# Deleting annotation ruler lines and adding circle annotations

**URL:** <https://discourse.slicer.org/t/deleting-annotation-ruler-lines-and-adding-circle-annotations/2598>\
**Category:** Support\
**Created:** [April 16, 2018, 11:46am UTC](https://discourse.slicer.org/t/deleting-annotation-ruler-lines-and-adding-circle-annotations/2598 "2018-04-16T11:46:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![monicagoodlett](https://avatars.discourse-cdn.com/v4/letter/m/9de053/32.png) [@monicagoodlett](https://discourse.slicer.org/u/monicagoodlett)\
**Post date:** [April 16, 2018, 11:46am UTC](https://discourse.slicer.org/t/deleting-annotation-ruler-lines-and-adding-circle-annotations/2598/1 "2018-04-16T11:46:34Z")

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Is there a way to delete lines after creating them? I think there is one but I can not find it.

and

Is there a way to create circles or non-linear lines using the tool?

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**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:** [April 16, 2018, 2:25pm UTC](https://discourse.slicer.org/t/deleting-annotation-ruler-lines-and-adding-circle-annotations/2598/2 "2018-04-16T14:25:44Z")

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By “lines” do you mean annotation rulers? You can edit/delete them in Annotations module.

For circles, you need to do some custom scripting as described here: [https://www.slicer.org/wiki/Documentation/Nightly/ScriptRepository#Manipulating\_objects\_in\_the\_slice\_viewer](https://www.slicer.org/wiki/Documentation/Nightly/ScriptRepository#Manipulating_objects_in_the_slice_viewer)