Better indexing on bitsavers

Jan-Benedict Glaw jbglaw at lug-owl.de
Fri May 20 10:27:48 CDT 2005


On Fri, 2005-05-20 15:01:39 +0000, Jules Richardson <julesrichardsonuk at yahoo.co.uk> wrote:

> That then means that for TIFF to be a viable archive option, it needs to
> be one image per page - which also means duplicating metadata across all
> pages (images) too. 

...which I consider to be a good thing, to some extend. Keeping Part Nº,
title, year, ... in each and every page just looks like a bug. But OTOH
keeping an image's keywords, printed page number, captions on a per-page
(or per-image, that is) basis is a good thing.

> In some ways it'd be handy having metadata in each image saying what
> document it relates to, but duplicating a copy of the index,
> description, search keywords or whatever across every image making up a
> scanned document seems a bit excessive.

Full ACK. But keeping the index words that apply to this very page
inside the TIFF might make some sense :)

> I think I'd rather keep the image data as seperate TIFF files within a
> common directory / archive making up a document, and a single ASCII file
> that provides the metadata for that document (TIFF's a pretty darn good
> format, but it's let down by some pretty bad tools out there)

A text file would work as well, but I'd place one text file per image
and one for the per-document metadata.

> Open question to the list - would PNG files be a better option than
> TIFF? In terms of what I've said above, there's probably not a lot in it
> (and TIFF probably has support on classic hardware where PNG doesn't).
> But PNG possibly has the advantage that most (and certainly all modern)
> web browsers support it, which possibly has implications for a web-
> accessible archive...

Wouldn't a web browser also show TIFFs? At least the simple ones?
*check* No. My Firefox would like to display it with the 'display'
program of ImageMagick...

MfG, JBG

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