[sane-devel] Backend calibration data storage...

[Monty]

On Tue, Aug 19, 2003 at 02:39:37PM +0200, Gerhard Jaeger wrote:
> Hi there,
> 
> I remember, that there once was a discussion 'bout saving backend specific
> data somewhere, but I could not find this discussion anymore.
> My problem:
> I'd like to save calibration data from the devices locally, so that it is no
> longer necessary to redo calibration over and over again (at least for
> raw calibration this is always a time-intensive procedure).
> One solution is to keep this data only until the backend has been closed,
> this will be my fall-back solution, but the better one will be to save the
> calibration data on on the disc...
> Any comments? 

I was wondering about this too when working on the CanoScan LiDE
calibration.  I noticed several backend drivers stash the data in a
file in /tmp and reread it on each scan...

Monty