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exrtrader2018:introduction

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exrtrader2018:introduction [2017/05/11 14:19]
lightwolf created
exrtrader2018:introduction [2017/12/27 10:38] (current)
lightwolf ↷ Page moved from private:exrtrader2017:introduction to exrtrader2018:introduction
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   * Multiple lossless image compression algorithms. Some of the included codecs can achieve 2:1 lossless compression ratios on images with film grain.    * Multiple lossless image compression algorithms. Some of the included codecs can achieve 2:1 lossless compression ratios on images with film grain. 
   * Extensibility. New compression codecs and image types can easily be added by extending the C++ classes included in the OpenEXR software distribution. New image attributes (strings, vectors, integers, etc.) can be added to OpenEXR image headers without affecting backward compatibility with existing OpenEXR applications.   * Extensibility. New compression codecs and image types can easily be added by extending the C++ classes included in the OpenEXR software distribution. New image attributes (strings, vectors, integers, etc.) can be added to OpenEXR image headers without affecting backward compatibility with existing OpenEXR applications.
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 exrTrader makes the OpenEXR file format available for users of LightWave 3D, providing basic image loading and saving as well as supporting the advanced features of OpenEXR, such as multiple buffers stored in a single image file. exrTrader makes the OpenEXR file format available for users of LightWave 3D, providing basic image loading and saving as well as supporting the advanced features of OpenEXR, such as multiple buffers stored in a single image file.
  
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   * Depth is a buffer consisting of one channel: Z   * Depth is a buffer consisting of one channel: Z
   * Motion is a buffer with two channels, X and Y (this is velocity in pixels)   * Motion is a buffer with two channels, X and Y (this is velocity in pixels)
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 OpenEXR is quite a complex, extensible image format, and many compositing applications only support a subset of its features, such as the following basic channels: OpenEXR is quite a complex, extensible image format, and many compositing applications only support a subset of its features, such as the following basic channels:
 ^^^ ^^^
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 | **Z** | Depth | | **Z** | Depth |
  
-Blackmagic Fusion, for example expects the following channel names by default (fortunately this can be changed in the Fusion 5 image loader):+Blackmagic Fusion, for exampleexpects the following channel names by default (fortunately this can be changed in the image loader):
  
   R, G, B, A, Z, pixelCover, objectID, materialID, U, V, NX, NY, NZ, velX, velY   R, G, B, A, Z, pixelCover, objectID, materialID, U, V, NX, NY, NZ, velX, velY
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 The appendix contains a list of applications and their support for OpenEXR as well as an overview of all the buffers provided by LightWave 3D. The appendix contains a list of applications and their support for OpenEXR as well as an overview of all the buffers provided by LightWave 3D.
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 +<-acknowledgements|^|^features|->
exrtrader2018/introduction.1494505197.txt.gz · Last modified: 2017/05/11 14:19 by lightwolf