# Plot over line not working properly with vtkNonOverlappingAMR data
**URL:** https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922
**Category:** ParaView Support
**Created:** [June 25, 2024, 7:23pm UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922 "2024-06-25T19:23:47Z")
**Posts on this page:** 11
**Page:** 1
### Author:  [@pkestene](https://discourse.paraview.org/u/pkestene)
#### Post date: [June 25, 2024, 7:23pm UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/1 "2024-06-25T19:23:47Z")
Hello,
I noticed that “Plot Over Line” filter is not working properly when applied to vtkNonOverlappingAMR : the plot appears to be trucated to the very first AMR block encountered.
Is this a known limitations ? (I was not able to find a reference stating this filter is not working well with this kind of data). In such a case, would it be hard to fix ?
thank you.
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### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [June 26, 2024, 11:10am UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/2 "2024-06-26T11:10:46Z")
I’m unable to reproduce using latest developement version, which version are you using ? Can you share your data ?
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### Author:  [@pkestene](https://discourse.paraview.org/u/pkestene)
#### Post date: [June 26, 2024, 12:43pm UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/3 "2024-06-26T12:43:40Z")
Hello Mathieu,
Testing data are generated using the following small piece of code:
[https://github.com/pkestene/vtk\_amr\_examples](https://github.com/pkestene/vtk_amr_examples)
I was testing under ubuntu 22.04, using paraview 5.10.0-RC1 (the one from ubuntu).
I’ve just tested a nightly build of paraview 5.12 (ParaView-5.12.20240626-MPI-Linux-Python3.10-x86\_64), things have improved but there is still a problem when I select “Sample Uniformly” the plot is still truncated while the 2 others choices are working fine for me, they display the full plot.
With 5.10.0-RC1 all choices where providing a truncated plot (i can provide a screenshot if it necessary).
I was using
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### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [June 26, 2024, 1:16pm UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/4 "2024-06-26T13:16:50Z")
Works fine here with ParaView 5.12.0 binary release on Linux:
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### Author:  [@pkestene](https://discourse.paraview.org/u/pkestene)
#### Post date: [June 26, 2024, 1:20pm UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/5 "2024-06-26T13:20:22Z")
No, it doesn’t.
If you selected the diagonal, you cross 2 blocks with each 4 differents values; you should have 8 steps, and x axis should go from 0 to 8\*sqrt(2) = 11.3. Here your x-axis is truncated to a little bit less than 6 (that is about 11.3/2).
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### Author:  [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [June 26, 2024, 1:23pm UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/6 "2024-06-26T13:23:36Z")
Indeed, results seems incorrect, do not hesitate to open an issue: [https://gitlab.kitware.com/paraview/paraview/-/issues](https://gitlab.kitware.com/paraview/paraview/-/issues)
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### Author:  [@pkestene](https://discourse.paraview.org/u/pkestene)
#### Post date: [June 26, 2024, 1:40pm UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/7 "2024-06-26T13:40:19Z")
ok, thanks.
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### Author:  [@leon.victor](https://discourse.paraview.org/u/leon.victor)
#### Post date: [July 8, 2024, 8:46am UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/8 "2024-07-08T08:46:54Z")
Hi @pkestene , I’m trying to reproduce this issue but your github repo is no longer available. Could you please share it again ?
Thanks!
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### Author:  [@pkestene](https://discourse.paraview.org/u/pkestene)
#### Post date: [July 8, 2024, 9:06am UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/9 "2024-07-08T09:06:43Z")
hello Léon,
here are the data:
[tmp.tgz](https://discourse.paraview.org/uploads/short-url/jqX70FUCSVbEGBPGOzy14dOQCJv.tgz) (2.5 KB).
thanks.
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### Author:  [@leon.victor](https://discourse.paraview.org/u/leon.victor)
#### Post date: [July 29, 2024, 7:56am UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/10 "2024-07-29T07:56:20Z")
Hi @pkestene,
The problem was due to a wrong handling of 2D images by VTK in some cases which vtkNonOverlappingAMR relied on. It should now be fixed in both VTK and ParaView masters ([https://gitlab.kitware.com/vtk/vtk/-/merge\_requests/11333](https://gitlab.kitware.com/vtk/vtk/-/merge_requests/11333))
Thank you for providing your data, it definitely helped identify the origin of the bug !
Let us know if you still encounter your problem
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### Author:  [@pkestene](https://discourse.paraview.org/u/pkestene)
#### Post date: [July 29, 2024, 12:41pm UTC](https://discourse.paraview.org/t/plot-over-line-not-working-properly-with-vtknonoverlappingamr-data/14922/11 "2024-07-29T12:41:53Z")
Thanks, I tested with a paraview nightly build, it works perfectly as expected.