Re: [Openexr-devel] groups of channels

[Charles Henrich]

> >format?  If there were the concept of grouping channels together
> >hierarchically, and being able to add meta-data (attributes..) on those
> >groups, the format could be used as a sort of floating-point equivalent of
> >photoshop files.

> We have not considered adding a "channel group" concept.  Do you have a
> specific application in mind?  What sort of API do you envision for channel
> groups, and could your API be implemented in a backwards-compatible manner?

We've done this here at Digital domain to support nuke's internal grouping
mechanism simply via a naming convention.  Channels are grouped by
groupname.channelname in the simple case.  Works very well so far.  Not
technically amazing, but simple can be good :)

-Crh

       Charles Henrich           Digital Domain          address@hidden

                         http://www.sigbus.com/~henrich