# Error converting tally results to vtk file **URL:** https://openmc.discourse.group/t/error-converting-tally-results-to-vtk-file/3355 **Category:** User Support **Created:** [August 25, 2023, 12:33pm UTC](https://openmc.discourse.group/t/error-converting-tally-results-to-vtk-file/3355 "2023-08-25T12:33:05Z") **Posts on this page:** 6 **Page:** 1
### Author: ![srichr221](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/srichr221/32/2360_2.png) [@srichr221](https://openmc.discourse.group/u/srichr221) #### Post date: [August 25, 2023, 12:33pm UTC](https://openmc.discourse.group/t/error-converting-tally-results-to-vtk-file/3355/1 "2023-08-25T12:33:05Z")
Hi, running task 12 in the fusion workshop docker container and it’s having trouble converting the tally results into a vtk file I can download. I tried adding ‘pip install openmc-mesh-tally-to-vtk’ but no avail. ![image001](https://global.discourse-cdn.com/free1/uploads/openmc/original/2X/2/203c7ea75477732cc218d7067d0aaa528e95f24e.png) ---
### Author: ![srichr221](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/srichr221/32/2360_2.png) [@srichr221](https://openmc.discourse.group/u/srichr221) #### Post date: [August 25, 2023, 1:45pm UTC](https://openmc.discourse.group/t/error-converting-tally-results-to-vtk-file/3355/2 "2023-08-25T13:45:12Z")
I’ve tried using the open-mc plotter package because I’ve been told one can export files to vtk using this. However, I have had difficulties using it. I’m trying to access the model.xml file I have in my downloads. ![Screenshot 2023-08-25 at 14.44.03](https://global.discourse-cdn.com/free1/uploads/openmc/original/2X/d/d6614ca4e63321d27e38b12b333f149674b1e524.png) ---
### Author: ![Shimwell](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/shimwell/32/3876_2.png) [@Shimwell](https://openmc.discourse.group/u/Shimwell) #### Post date: [August 29, 2023, 9:33am UTC](https://openmc.discourse.group/t/error-converting-tally-results-to-vtk-file/3355/3 "2023-08-29T09:33:50Z")
Thanks for attaching the screenshot, I’ve read the error message at the bottom and it suggests the vtk import caused a crash `Initialization failed for vtkWebCore, not compatible with vtkmodules.vtkCommonCore` I guess there have been changes with vtk but it appears to be an error with vtk and not so much openmc. We could try a different version of vtk. ---
### Author: ![Shimwell](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/shimwell/32/3876_2.png) [@Shimwell](https://openmc.discourse.group/u/Shimwell) #### Post date: [August 29, 2023, 10:09am UTC](https://openmc.discourse.group/t/error-converting-tally-results-to-vtk-file/3355/4 "2023-08-29T10:09:46Z")
I’ve reproduced the error message using vtk-9.2.6 I tried vtk version vtk-9.2.5 and it appears to not have the same error message when imported I can change the docker image to use this version and make a new release of the neutronics-workshop docker image. ---
### Author: ![Shimwell](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/shimwell/32/3876_2.png) [@Shimwell](https://openmc.discourse.group/u/Shimwell) #### Post date: [August 31, 2023, 12:52pm UTC](https://openmc.discourse.group/t/error-converting-tally-results-to-vtk-file/3355/5 "2023-08-31T12:52:37Z")
I’ve now updated the neutronics-workshop docker image So you could download the latest version with `docker pull ghcr.io/fusion-energy/neutronics-workshop` and run it with `docker run -p 8888:8888 ghcr.io/fusion-energy/neutronics-workshop` ---
### Author: ![srichr221](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/srichr221/32/2360_2.png) [@srichr221](https://openmc.discourse.group/u/srichr221) #### Post date: [September 1, 2023, 4:35pm UTC](https://openmc.discourse.group/t/error-converting-tally-results-to-vtk-file/3355/6 "2023-09-01T16:35:36Z")
amazing, thanks very much