Questions tagged [compression]

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How to move object on curve along X/Z axes without object's X-scale compressing

(as my first Stack Exchange question) I'm hoping to determine how to keep my object's proportions intact while it move forward and up along a X/Z curve. I realize the curve shortens the object's path ...
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1 answer
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Image strip rendered to video is missing half of its frames throughout the animation

I've recently realized that the videos I've rendered using the 2.8+ VSE are much more choppy than they should be. For example, in this animation, there are supposed to be 11 frames total that should ...
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6 votes
3 answers
1k views

Huge PNG file size compared to other Software

I've rendered a 900 frames animation as a png sequence. RGBA with 100% compression and i got round about 34mb each frame and the overall sequence is about 30gb big. That is pretty huge. Tools like ...
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How to compress blend file for blend stack exchange?

i'm trying to upload files to blender stack exchange (BSE) to ask other question but BSE can only upload 30MB. screenshot is not so great because node shading is too big what i have tried but none ...
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67 views

How to simulate JPEG compression artifacts in Compositing?

I want to recreate something like that in my render
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Cycles EXR compression from command line in Blender 3.0.0

Is it possible to set the compression to DWAA in a EXR file from command line without using a python script? ...
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save the image to "OPEN_EXR" format in "ZIP" compression via python scripts

Manually Adding a new "Image Texture" for Cube and: "UV Editing" >> "Image" >> "Save As" setting 1: ...
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Can you simulate compressed air, such as an untied balloon or a compressed air canister?

From reading other questions, I now know simulating atmospheric conditions, such as drag and pressure gradients, is very hard and complicated. However, I was wondering whether you could simulate ...
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How to fix compression from Bloom in Eevee

The bloom effect in my frames comes out with these compression waves no matter the format I export them in. Even in the preview mode of the viewport I can see it.. The only way I've seen that reduces ...
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Compressing concentric cylinders with relative position unchanged

I would like to use softbody physics to compress concentric cylinders. However, the inner cylinder deformed out of place. I would like to keep the relative positions between inner cylinder unchanged, ...
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13 votes
3 answers
1k views

Compressional wave in a cube

I want to see the propagation of a compressional wave in a cube. I meshed a cube along Y and just added wave in this same direction as follows: But only the first and the last Y normal surfaces move ...
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1 vote
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mp4 render output is too compressed - video editor

container: MPEG-4 video codec: MPEG-4 lossless realtime encoding render preview shows high quality rendered frames, but mp4 file is evidently far worse, despite hd settings.
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How small can you make a model realistically?

all! I have a model that I want to add to a THREE.js scene on the web, so making it as light as possible is the main goal. I'm not an expert, so I have no idea how 'small' one could make a model. ...
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1 vote
1 answer
227 views

Where can I find RGBA, color depth or compression settings?

I'd like t get the usual Output panel back. I used Blender for some motion tracking and regular modeling stuff and here is how my Output area looks like now - no RGBA, compression slider, or color ...
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1 vote
0 answers
194 views

How to prevent (scurrying) animations from pixelation when uploaded to YouTube?

I've created an animation in which a hugh quantitiy of small-scale movements are happening at the same time. The mp4 file, which results from the render process, displays this animation without any ...
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1 answer
75 views

How do I know a details about video codec used by Blender?

When I do render animation I can choose a "Video Codec". Is that codec provided by Blender app, OS or is installed with some external app? How can verify what have been used?
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1 vote
1 answer
27 views

JPG decompressed and compressed again, will it affect colors and color space?

I found easy to add a black frames to my photos with Blender. I just add some scaling and offset in VSE and render one image. I am wondering is that process affects colors or color space of my photo? ...
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152 views

Blender 2.79. Cycles Render. Output of animation in PNG Sequence. Level of compression

Do you use level of compression = 0 when you make output of animation in PNG Sequence? There is field Compression in Blender. Available values from 0 to 100. If to move cursor to this field ...
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1 answer
359 views

Compositor - File Output - PNG compression ratio issue

I use the compositor to save my renders into files with the "File Output" node. I want to have the smallest file size while preserving all information. I use PNG file format with the highest ...
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2 votes
0 answers
629 views

How to remove or minimise compression banding in Blender video export using FFmpeg?

When exporting video with very subtle color blending like lights in fog a compressed video will create banding where there was none before, even with the best in-Blender settings e.g. "perceptually ...
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