# Issues about .pvd file

**URL:** https://discourse.paraview.org/t/issues-about-pvd-file/1930
**Category:** ParaView Support
**Created:** [May 26, 2019, 2:15pm UTC](https://discourse.paraview.org/t/issues-about-pvd-file/1930 "2019-05-26T14:15:30Z")
**Posts on this page:** 5
**Page:** 1

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### Author: ![wl032](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/w/f6c823/32.png) [@wl032](https://discourse.paraview.org/u/wl032)
#### Post date: [May 26, 2019, 2:15pm UTC](https://discourse.paraview.org/t/issues-about-pvd-file/1930/1 "2019-05-26T14:15:30Z")

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Hello, I produced a bunch of .vtu files, and all these guys work well.  
Now, I need to link them in time sequence.

My .pvd file looks like this.

```auto
<?xml version="1.0"?>
<VTKFile type="Collection" version="0.1" byte_order="LittleEndian" compressor="vtkZLibDataCompressor">
<Collection>
<DataSet timestep="0.00708064" group="" part="0" file="100-400-50-s-p/frame1-0.00708063738421.vtu"/>
<DataSet timestep="0.01416127" group="" part="0" file="100-400-50-s-p/frame2-0.0141612747684.vtu"/>
<DataSet timestep="0.02478223" group="" part="0" file="100-400-50-s-p/frame3-0.0247822310776.vtu"/>
<DataSet timestep="0.04071366" group="" part="0" file="100-400-50-s-p/frame4-0.0407136641443.vtu"/>
<DataSet timestep="0.06461082" group="" part="0" file="100-400-50-s-p/frame5-0.0646108165383.vtu"/>
<DataSet timestep="0.10045654" group="" part="0" file="100-400-50-s-p/frame6-0.100456543267.vtu"/>
<DataSet timestep="0.15422513" group="" part="0" file="100-400-50-s-p/frame7-0.154225125909.vtu"/>
<DataSet timestep="0.23487802" group="" part="0" file="100-400-50-s-p/frame8-0.234878018498.vtu"/>
<DataSet timestep="0.35585734" group="" part="0" file="100-400-50-s-p/frame9-0.355857342482.vtu"/>
<DataSet timestep="0.53732634" group="" part="0" file="100-400-50-s-p/frame10-0.537326335907.vtu"/>
<DataSet timestep="0.80952984" group="" part="0" file="100-400-50-s-p/frame11-0.809529840946.vtu"/>
<DataSet timestep="1.21783507" group="" part="0" file="100-400-50-s-p/frame12-1.2178350687.vtu"/>
<DataSet timestep="1.83029294" group="" part="0" file="100-400-50-s-p/frame13-1.83029294014.vtu"/>
<DataSet timestep="2.74897957" group="" part="0" file="100-400-50-s-p/frame14-2.74897956848.vtu"/>
<DataSet timestep="4.12700987" group="" part="0" file="100-400-50-s-p/frame15-4.12700986862.vtu"/>
<DataSet timestep="6.19405508" group="" part="0" file="100-400-50-s-p/frame16-6.19405508041.vtu"/>
<DataSet timestep="9.29462337" group="" part="0" file="100-400-50-s-p/frame17-9.29462337494.vtu"/>
<DataSet timestep="13.94547462" group="" part="0" file="100-400-50-s-p/frame18-13.9454746246.vtu"/>
<DataSet timestep="20.92175293" group="" part="0" file="100-400-50-s-p/frame19-20.9217529297.vtu"/>
<DataSet timestep="31.38616943" group="" part="0" file="100-400-50-s-p/frame20-31.3861694336.vtu"/>
<DataSet timestep="47.08279419" group="" part="0" file="100-400-50-s-p/frame21-47.0827941895.vtu"/>
<DataSet timestep="70.62773132" group="" part="0" file="100-400-50-s-p/frame22-70.6277313232.vtu"/>
<DataSet timestep="100.62773132" group="" part="0" file="100-400-50-s-p/frame23-100.627731323.vtu"/>
<DataSet timestep="130.62773132" group="" part="0" file="100-400-50-s-p/frame24-130.627731323.vtu"/>
<DataSet timestep="160.62773132" group="" part="0" file="100-400-50-s-p/frame25-160.627731323.vtu"/>
<DataSet timestep="190.62773132" group="" part="0" file="100-400-50-s-p/frame26-190.627731323.vtu"/>
<DataSet timestep="220.62773132" group="" part="0" file="100-400-50-s-p/frame27-220.627731323.vtu"/>
<DataSet timestep="250.62773132" group="" part="0" file="100-400-50-s-p/frame28-250.627731323.vtu"/>
<DataSet timestep="280.62771606" group="" part="0" file="100-400-50-s-p/frame29-280.627716064.vtu"/>
<DataSet timestep="300.00000000" group="" part="0" file="100-400-50-s-p/frame30-300.0.vtu"/>
</Collection>
</VTKFile>

```

The file can be loaded in paraview, but when I click the play button, nothing changed.  
Just like the only thing I can see is the first .vtu.

Is anything wrong?

---

<div class="post-metadata">

### Author: ![mwestphal](https://discourse.paraview.org/user_avatar/discourse.paraview.org/mwestphal/32/17_2.png) [@mwestphal](https://discourse.paraview.org/u/mwestphal)
#### Post date: [May 28, 2019, 7:53am UTC](https://discourse.paraview.org/t/issues-about-pvd-file/1930/2 "2019-05-28T07:53:15Z")

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Your .pvd is correct.

Do you see the timesteps in the information panel ?  
Did you check the individual files ?

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<div class="post-metadata">

### Author: ![wascott](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/w/8e8cbc/32.png) [@wascott](https://discourse.paraview.org/u/wascott)
#### Post date: [May 28, 2019, 5:10pm UTC](https://discourse.paraview.org/t/issues-about-pvd-file/1930/3 "2019-05-28T17:10:32Z")

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Another idea is that you have displacement data in your dataset, and expect to deform with that? If ParaView doesn’t know what that data is, you won’t see displacement. Use the Warp by Vector filter…

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<div class="post-metadata">

### Author: ![wl032](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/w/f6c823/32.png) [@wl032](https://discourse.paraview.org/u/wl032)
#### Post date: [May 31, 2019, 9:22am UTC](https://discourse.paraview.org/t/issues-about-pvd-file/1930/4 "2019-05-31T09:22:39Z")

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This works now, I didn’t do anything.  
Every step is right.  
Thank you.

---

<div class="post-metadata">

### Author: ![wl032](https://discourse.paraview.org/letter_avatar_proxy/v4/letter/w/f6c823/32.png) [@wl032](https://discourse.paraview.org/u/wl032)
#### Post date: [May 31, 2019, 9:23am UTC](https://discourse.paraview.org/t/issues-about-pvd-file/1930/5 "2019-05-31T09:23:01Z")

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This works now, I didn’t do anything.  
Every step is right.  
Thank you.