[sane-devel] Batch Scanning.

[thardison@bayfed.com]

-----Original Message-----
From: m. allan noah
To: sane-devel@lists.alioth.debian.org
Sent: 6/27/05 6:46 AM
Subject: RE: [sane-devel] Batch Scanning.

>>>> The problem is, the backend gives an "Invalid Option?" message that
>>> prevents
>>>> it from scanning when turning that feature on.
>>>>
>>>> I can send more verbose output if anyone is interested.
>>>>
>>>> Tyler.
>>>
>>> sorry tyler, i have not had a chance to even look at length
>detection. i
>>>
>>>
>>> have not a clue just what the scanner does when that is set.
>>>
>>> very little chance of it being simple :)
>>>
>>>
>>>
>>> what size are the finished documents after you scan? all of them 23
>>> inches
>>> long?
>>>
>>> allan
>>
>> Precisely :-)
>>
>> I'm assuming that SANE just does a loop until it reaches the scan
>area's
>> boundary then starts the next sheet? (Or is that a function of
>scanadf?)
>>
>> Anyway, it'd be interesting to get this somehow shoehorned into
>> sane-fujitsu.
>
>actually, it is entirely the scanners fault, i quote from the
>beautifully 
>translated interface manual for the 4097
>
>"If the length that is not within the physical length is specified, the 
>data is padded with dummy data white for the number of bytest exceeding 
>the physical length before it is transferred."
>
>so you asked for 23 inches, you get 23.
>
>from looking at the manual and the code (briefly), i think the backend 
>gives the options for length detection, but does not actually implement 
>the code needed to use it. can you give more debugging error info, so i 
>can see how far it gets?
>
>allan
>
>
>> Tyler.
>

I'm on vacation this week, and the scanner is at work. I'll supply debugging
output next week.

Thanks!

Tyler.