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[General] Saved Animation Quality is Too Poor? |
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#1 |
New Member
Alessandro
Join Date: Apr 2014
Location: Italy
Posts: 19
Rep Power: 12 ![]() |
Hi, I have been using Paraview for quite some time now, and I am really happy with it. I recently switched to a Mac Machine, so I downloaded the newer version of the program (I am using 5.1 because 5.2 is buggy and crashes quite a lot on my machine). Everything works fine except for the quality of the animations. I use that feature quite a lot and Ver 4.2 on an older Windows machine works perfectly. The videos generated with the 5.1 version on Mac, on the contrary, are very "pixellated" and the overall quality is very poor.
Is there a way to fix this? Thanks! EDIT: I am using the same resolution that I always used to save animations (1080p). The resulting video is terrible, but saving screenshots with the exact same resolution yields good quality images. So I guess the issue is in the Video export format? |
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#2 |
Super Moderator
Alex
Join Date: Jun 2012
Location: Germany
Posts: 3,426
Rep Power: 49 ![]() ![]() |
So creating the animation from the images (e.g. with ffmpeg) is no alternative?
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#3 |
New Member
Alessandro
Join Date: Apr 2014
Location: Italy
Posts: 19
Rep Power: 12 ![]() |
That would require quite some time and an unnecessary step. I just need to understand why is the program encoding images at a so poor quality. Probably bitrate? But I couldn't find any preference about that.
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#4 |
Super Moderator
Alex
Join Date: Jun 2012
Location: Germany
Posts: 3,426
Rep Power: 49 ![]() ![]() |
Me neither. Exporting animations directly from ParaView always led to unacceptable results for me, no matter which version of ParaView I used.
Don't consider encoding the video afterwards as an unnecessary additional step but as an addition to your workflow that gives you more flexibility ![]() And it really does not take that much time. ffmpeg never took longer than a few minutes for the animations I made. |
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#5 |
New Member
Alessandro
Join Date: Apr 2014
Location: Italy
Posts: 19
Rep Power: 12 ![]() |
Most of my simulations run on more than 5000 time steps. Saving screenshots is, unfortunately, not an option..!
Anyone has any workaround for this? |
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#6 |
Super Moderator
Alex
Join Date: Jun 2012
Location: Germany
Posts: 3,426
Rep Power: 49 ![]() ![]() |
You are not supposed to save screenshots manually for every time step
![]() When saving an animation, you can choose an image format instead of a video format. ParaView will save one image every time step. Automatically. |
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#7 |
New Member
Alessandro
Join Date: Apr 2014
Location: Italy
Posts: 19
Rep Power: 12 ![]() |
Can't seem to find it.
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#8 |
Super Moderator
Alex
Join Date: Jun 2012
Location: Germany
Posts: 3,426
Rep Power: 49 ![]() ![]() |
Click on "save animation". Then in the next window there is a dropdown list "files of type". I usually choose png.
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#9 |
New Member
Alessandro
Join Date: Apr 2014
Location: Italy
Posts: 19
Rep Power: 12 ![]() |
The screenshot I attached is what I obtain after clicking on "Save Animation". They took it out on last version?
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#10 |
Super Moderator
Alex
Join Date: Jun 2012
Location: Germany
Posts: 3,426
Rep Power: 49 ![]() ![]() |
Come on, you have to help me a little bit. What happens when you click on "save animation" in the window you showed? No additional menu where you can specify the name and location of the animation? Where does PV save your animations then? Which version are you using?
animation1.png animation2.png |
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Tags |
animation, paraview, quality |
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