# vtkRulerSourceRepresentation

**URL:** https://discourse.paraview.org/t/vtkrulersourcerepresentation/10529
**Category:** ParaView Support
**Created:** [October 16, 2022, 12:02pm UTC](https://discourse.paraview.org/t/vtkrulersourcerepresentation/10529 "2022-10-16T12:02:10Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![lyz](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/l/e47774/32.png) [@lyz](https://discourse.paraview.org/u/lyz)
#### Post date: [October 16, 2022, 12:02pm UTC](https://discourse.paraview.org/t/vtkrulersourcerepresentation/10529/1 "2022-10-16T12:02:10Z")

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How do I use add ruler in PV in c++ code?

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### Author: ![Francois\_Mazen](https://discourse.paraview.org/user_avatar/discourse.paraview.org/francois_mazen/32/6483_2.png) [@Francois\_Mazen](https://discourse.paraview.org/u/Francois_Mazen)
#### Post date: [October 17, 2022, 4:02pm UTC](https://discourse.paraview.org/t/vtkrulersourcerepresentation/10529/2 "2022-10-17T16:02:44Z")

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Hello @lyz

have looked at the Ruler Source in ParaView?  
[https://docs.paraview.org/en/latest/Tutorials/ClassroomTutorials/beginningSourcesAndFilters.html?highlight=ruler#ruler-source](https://docs.paraview.org/en/latest/Tutorials/ClassroomTutorials/beginningSourcesAndFilters.html?highlight=ruler#ruler-source)

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### Author: ![lyz](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/l/e47774/32.png) [@lyz](https://discourse.paraview.org/u/lyz)
#### Post date: [November 10, 2022, 1:22am UTC](https://discourse.paraview.org/t/vtkrulersourcerepresentation/10529/3 "2022-11-10T01:22:21Z")

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thank you