# animation

**URL:** https://discourse.paraview.org/t/animation/12673
**Category:** ParaView Support
**Tags:** vtk
**Created:** [August 10, 2023, 7:48am UTC](https://discourse.paraview.org/t/animation/12673 "2023-08-10T07:48:56Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![DC\_W](https://discourse.paraview.org/user_avatar/discourse.paraview.org/dc_w/32/12190_2.png) [@DC\_W](https://discourse.paraview.org/u/DC_W)
#### Post date: [August 10, 2023, 7:48am UTC](https://discourse.paraview.org/t/animation/12673/1 "2023-08-10T07:48:57Z")

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When I imported a set of VTK files to generate an animation, I found that only one frame was displayed during the animation run, and the others were not displayed, so I had to switch manually.  
 ![image](https://discourse.paraview.org/uploads/default/original/2X/f/f59cd6b512a62eebc467498e2bfac5deacb4766f.png)

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<div class="post-metadata">

### Author: ![utkarsh.ayachit](https://discourse.paraview.org/user_avatar/discourse.paraview.org/utkarsh.ayachit/32/39_2.png) [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)
#### Post date: [August 10, 2023, 2:59pm UTC](https://discourse.paraview.org/t/animation/12673/2 "2023-08-10T14:59:46Z")

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Are you sure all files have the same set of data arrays? From the image you attached looks like the name of the velocity array is different between files. The `(?)` is shown when an array is chosen but no longer available in the dataset.