Re: [Openexr-devel] OpenEXR Data Channel Configurations

[piotr stanczyk]

The idea is appealing, in that data is naturally bundled together and 
thus reduces organisational overheads. (it does present a downside in 
the I/O load on the network if you are moving stuff around).

As you know, :-), the limiting factor with Shake is a fixed number of 
channels allowed in which case the only sensible soln I can think of, 
when handling "non-trivial" exrs, is a user selection mechanism.
[Something like  "Auto", "Custom" radio buttons. Auto tries to work out 
how to best import the existing channels into Shake, Custom enables the 
user to enter a list of the channels they want.]

I seem to remember that Nuke was going to support an arbitrary number 
in an upcoming release (anyone know more about this?) in which case I 
imagine that the whole lot  just pipes through ...


Piotr

BTW - Has anyone looked at the native exr support in OS X 10.4 Core 
Image?



On 12 Nov 2004, at 20:55, Angus Taggart wrote:

> Hi,
>
> Is it common for facilities to create OpenEXR files that contain both 
> standard RGBA data and auxiliary data channels (e.g. normal vector 
> data and motion vector data)?  The reason that I ask is that the 
> OpenEXR library provides specialized classes for handling scanline and 
> tiled RGBA files and I was wondering what the recommended approach 
> would be to handling files that contain RGBA+aux data.
>
> Thanks,
> Angus
>
>
>
> ------------------------------------
> Angus Taggart
> Apple R&D, Santa Monica
>
>
>
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