[sane-devel] Canon LiDE 90

[Pierre Willenbrock]

Guillaume Gastebois schrieb:
> Hello,
> 
> OK, I'll try this tonight. What is the best : WITH or WITHOUT
> SCAN_FLAG_DISABLE_LAMP ?

Not using SCAN_FLAG_DISABLE_LAMP is a bit counter productive when trying
to get black levels on a white-only calibration area.

Regards,
  Pierre

> 
> Regards
> Guillaume
> 
> Selon Pierre Willenbrock <pierre at pirsoft.dnsalias.org>:
> 
>> Guillaume Gastebois schrieb:
>>> Hello,
>>>
>>> I made two tests today :
>>>
>>> test 1 : too bright/too dard = 10/65525 WITH flag :
>>> SCAN_FLAG_DISABLE_LAMP. Result can bee found on :
>>> http://ggastebois.free.fr/lide90_snoop/18_test1.tar
>>>
>>> test 2 : too bright/too dard = 10/65525 WITHOUT flag :
>>> SCAN_FLAG_DISABLE_LAMP. Result can bee found on :
>>> http://ggastebois.free.fr/lide90_snoop/18_test2.tar
>>>
>> Not what i expected, although the debug images are looking good.
>>
>> Please try to change the first pixel used for minimum calculation to 200
>> at about lines 4596 and 4712:
>> -      for (i = 0; i < num_pixels; i++)
>> +      for (i = 150; i < num_pixels; i++)
>>       {
>> 	  if (dev->model->is_cis)
>> 	      val =
>>
>>
>> Regards,
>>   Pierre
>>
> 
> 
>