# Is it possible to add labels to contour lines?

**URL:** https://discourse.paraview.org/t/is-it-possible-to-add-labels-to-contour-lines/1466
**Category:** ParaView Support
**Created:** [March 13, 2019, 6:13pm UTC](https://discourse.paraview.org/t/is-it-possible-to-add-labels-to-contour-lines/1466 "2019-03-13T18:13:50Z")
**Posts on this page:** 4
**Page:** 2

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### Author: ![vrkssai](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/v/e19b73/32.png) [@vrkssai](https://discourse.paraview.org/u/vrkssai)
#### Post date: [March 27, 2019, 4:17pm UTC](https://discourse.paraview.org/t/is-it-possible-to-add-labels-to-contour-lines/1466/21 "2019-03-27T16:17:07Z")

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@wascott I was able to do this successfully with Paraview 5.6.0-975-g3fceb06(5.6 from download wesite), but it fails for the version Paraview 5.6.0-1074-gdcb1bac (nightly binaries given by @cory.quammen under this post) [Running Paraview on SSH -X](https://discourse.paraview.org/t/running-paraview-on-ssh-x/1434/10)

As soon as I select contour filter after the slice,  
Error: Cannot create decorator of type “NonPolyDataInputDecorator”

Screen shot:

 ![sc](https://discourse.paraview.org/uploads/default/original/2X/c/c57bff8434e54051669b56373e92ec3e6249c957.png)

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### Author: ![arif12345](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/a/49beb7/32.png) [@arif12345](https://discourse.paraview.org/u/arif12345)
#### Post date: [February 21, 2023, 6:04pm UTC](https://discourse.paraview.org/t/is-it-possible-to-add-labels-to-contour-lines/1466/22 "2023-02-21T18:04:02Z")

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![image](https://discourse.paraview.org/uploads/default/original/2X/1/10120e5333b2b93896fa73bf433f486c107b5d60.png)

Hy will you please help me how to give “%” sign there ? and in my case its showing the value all the counter line? how can i set only one time value for a contour line ?

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### Author: ![Kenichiro-Yoshimi](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/k/ecc23a/32.png) [@Kenichiro-Yoshimi](https://discourse.paraview.org/u/Kenichiro-Yoshimi)
#### Post date: [February 22, 2023, 3:57am UTC](https://discourse.paraview.org/t/is-it-possible-to-add-labels-to-contour-lines/1466/23 "2023-02-22T03:57:56Z")

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To display the % character, in the `Edit Label Properties` in the `Find Data` tool, the **Point Label Format** may be described as follows

> %3.0f %%

 ![point_label_format](https://discourse.paraview.org/uploads/default/original/2X/b/bddfccca96a0e0b35c0f89459587e2f2fc4ebf44.png)

If you want to label one on the contour line, you may want to manually select one point with the selection tool.

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### Author: ![arif12345](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/a/49beb7/32.png) [@arif12345](https://discourse.paraview.org/u/arif12345)
#### Post date: [February 22, 2023, 3:13pm UTC](https://discourse.paraview.org/t/is-it-possible-to-add-labels-to-contour-lines/1466/24 "2023-02-22T15:13:18Z")

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Thanks a lot

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