Re: Vuescan bug with updating info box?

On 29 May 2006 10:00:49 -0700, "rogerxx@xxxxxxxxx" <rogerxx@xxxxxxxxx>
wrote:

Yes. Thanks for the verification. As good as things are or as bad as
they are, I rarely believe my own eyes at times and rely on 2nd
opinions.

I run lots of tests because data doesn't lie and our eyes lie all the
time. We may misinterpret the data but that's a different story. ;o)

As far as the info box, it doesn't help to know I'm still scanning
scan0001 and I'm really scanning image=image+1 and things are working
properly. The application is still lying to me! :-)

I know the feeling! :-) I just don't like it when applications do that
because I can't trust them after that. I mean, if they manage to screw
up something so elementary what about all the other (complicated)
things going on under the hood?

You've really peaked my interest on this one. If I were in school for
Programming, I would readily pick-up this task. Sane needs better
support for batch scanning negatives & photos.

Until you mentioned, I wasn't realizing most of the programming is
already done and all one would need to do is impliment the already
written routines!

As I say, I haven't really done any scanner stuff on Linux but I do
know that SANE already has a whole bunch of routines.

Sane only seemed to be missing the color profiles for negatives along
with batch scanning and raw output -- for which, is odd.

In theory you could do batch with a script. That's where Unix shines.

Raw is really nothing special. It's simply a scan with all the editing
turned off. You can take any scanner program, turn off curves,
brightness, etc. or leave them in a neutral or "flat" state and you'll
get a raw scan. Technically, you should also use linear gamma but most
people don't bother with that since their monitors aren't linear.

The scanner profiles are of very limited use because they often go
against the final edit. Also, you can always assign some profiles
later. I personally prefer to scan negatives as positive and do
everything manually i.e. remove the orange mask and stretch the
dynamic range plus add some contrast enhancement with an "S" curve.

Don.
.

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