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Re: [Openexr-devel] List of all availabe attributes in an exr file
From: |
Larry Gritz |
Subject: |
Re: [Openexr-devel] List of all availabe attributes in an exr file |
Date: |
Tue, 19 Nov 2013 10:37:36 -0800 |
I see, you meant image access speed, not metadata access.
Yes, it would have been nice to have the line/tile offset table stored at a
fixed location in the file, to totally streamline pixel access. Oh well.
On Nov 19, 2013, at 10:31 AM, Lars Borg <address@hidden> wrote:
> Larry,
>
> Agreed. Metadata access would not be inherently faster with XMP.
>
> However, unless you have a fixed offset to the line table, image access
> would be faster, as there would be fewer attributes to slog through byte
> by byte to find the line table. (StringVector or any other form of
> attribute aggregator would solve that problem as well.)
> And image access speed is usually a greater concern.
>
> Lars
>
--
Larry Gritz
address@hidden