# How to extract point data from a circle polyline or other shape?

**URL:** https://discourse.paraview.org/t/how-to-extract-point-data-from-a-circle-polyline-or-other-shape/5080
**Category:** ParaView Support
**Created:** [August 11, 2020, 10:06am UTC](https://discourse.paraview.org/t/how-to-extract-point-data-from-a-circle-polyline-or-other-shape/5080 "2020-08-11T10:06:59Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![aquanaut](https://discourse.paraview.org/user_avatar/discourse.paraview.org/aquanaut/32/1302_2.png) [@aquanaut](https://discourse.paraview.org/u/aquanaut)
#### Post date: [August 11, 2020, 10:06am UTC](https://discourse.paraview.org/t/how-to-extract-point-data-from-a-circle-polyline-or-other-shape/5080/1 "2020-08-11T10:06:59Z")

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![image](https://discourse.paraview.org/uploads/default/original/2X/2/2242815699413aaa007a65ea782050a8aa22c8ca.png)

I want to extract a circle shaped point data from the surrounding rock of the excavation roadway.  
How to do that in paraview?Thanks.

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [August 11, 2020, 11:16am UTC](https://discourse.paraview.org/t/how-to-extract-point-data-from-a-circle-polyline-or-other-shape/5080/2 "2020-08-11T11:16:18Z")

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You can select the points you want with any selection tools then use ExtractSelection.

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### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [November 21, 2022, 8:01am UTC](https://discourse.paraview.org/t/how-to-extract-point-data-from-a-circle-polyline-or-other-shape/5080/3 "2022-11-21T08:01:03Z")

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A post was split to a new topic: [Selection Question](https://discourse.paraview.org/t/selection-question/10819)