Full Code of Calinou/free-blue-noise-textures for AI

Repository: Calinou/free-blue-noise-textures
Branch: master
Commit: a64e300dcd96
Files: 24
Total size: 9.6 KB

Directory structure:
gitextract_dga2y3mz/

├── 16_16_16/
│   ├── HDR_L.raw
│   ├── HDR_LA.raw
│   ├── HDR_RGB.raw
│   └── HDR_RGBA.raw
├── 16_16_16_16/
│   ├── HDR_L.raw
│   ├── HDR_LA.raw
│   ├── HDR_RGB.raw
│   └── HDR_RGBA.raw
├── 32_32_32/
│   ├── HDR_L.raw
│   ├── HDR_LA.raw
│   ├── HDR_RGB.raw
│   └── HDR_RGBA.raw
├── 64_64_64/
│   ├── HDR_L.raw
│   ├── HDR_LA.raw
│   ├── HDR_RGB.raw
│   └── HDR_RGBA.raw
├── 8_8_8_8/
│   ├── HDR_L.raw
│   ├── HDR_LA.raw
│   ├── HDR_RGB.raw
│   └── HDR_RGBA.raw
├── COPYING.txt
├── LICENSE.txt
├── RAWFileFormat.txt
└── README.md

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FILE CONTENTS
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FILE: COPYING.txt
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================================================
FILE: LICENSE.txt
================================================
To the extent possible under law, Christoph Peters has waived all copyright and 
related or neighboring rights to the files in this directory and its 
subdirectories. This work is published from: Germany. 

The work is made available under the terms of the Creative Commons CC0 Public 
Domain Dedication.

For more information please visit:
https://creativecommons.org/publicdomain/zero/1.0/


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FILE: RAWFileFormat.txt
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                             The *.raw file format
                               Christoph Peters
                                  2017-01-31

Some of the accompanying blue noise textures are provided in a very simplistic 
tailor-made binary file format. You recognize them by the file format extension 
*.raw. A complete documentation of this file format is provided below. A few 
lines of code should suffice to load it in most programming languages. For a 
reference implementation please take a look at StoreNDTextureHDR() and 
LoadNDTextureHDR() in BlueNoise.py.

The binary data of the files consists of nothing but a sequence of unsigned, 
least significant bit first 32-bit integers. The contents of these integers are 
as follows:

- Version: File format version, should be 1.

- nChannel: The number of color channels in the image. This should be a value 
  between 1 (greyscale) and 4 (RGBA).

- nDimension: The number of dimensions of the stored array, i.e. the number of 
  indices required to uniquely identify one pixel, voxel, etc..

- Shape[nDimension]: nDimension integers providing the size of the array along 
  each dimension. By convention the first dimension is height, second width and 
  third depth.

- Data[Shape[0]*...*Shape[nDimension-1]*nChannel]: The uncompressed data of the 
  texture. The channels are unrolled first, followed by all dimensions in 
  reverse order. Thus, an RG image of size 3*2 would be stored like this:
  00R, 00G, 01R, 01G, 10R, 10G, 11R, 11G, 20R, 20G, 21R, 21G
  The values for blue noise textures lie between 0 and 
  Shape[0]*...*Shape[nDimension-1]-1 and each value occurs exactly once per 
  channel.

END OF FILE


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FILE: README.md
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# Free blue noise textures

This repository contains blue noise textures in various sizes and formats.
These textures were downloaded from the following articles on the
*Moments in Graphics* blog:

- [*Free blue noise textures*](http://momentsingraphics.de/BlueNoise.html)
  (2D textures)
- [*The problem with 3D blue noise*](http://momentsingraphics.de/3DBlueNoise.html)
  (3D and 4D textures)

For the accompanying code that generated these textures, see
[MomentsInGraphics/BlueNoise](https://github.com/MomentsInGraphics/BlueNoise).

## License

Copyright © 2016-2017 Christoph Peters

Licensed under CC0 1.0 Universal, see [COPYING.txt](COPYING.txt) for details.