On Tue, 2005-08-30 at 12:10 +0900, Olaf Meeuwissen wrote: > Hi Bob, > > Please Cc: sane-devel so your "ordeal" gets archived.
Will do. > bob <rjerr...@math.concordia.ab.ca> writes: > > On Mon, 2005-08-29 at 09:39 +0900, Olaf Meeuwissen wrote: > > > >> Hmm, log data looks fine to me. TPU area is reported fine. 48.26 mm > >> by 231.14 mm is big enough to scan a strip of 6 negatives (that's what > >> the product spec says it can). > > > > Size of the scan is fine, it is the location of the scan that is the > > problem. > > > >> Just to make sure, the area reported does not have its origin at the > >> same location as the flatbed scan area. Maybe you are trying to set > >> scan areas based on the latter origin. If so, you shouldn't. > > > > The origin of the preview is at the origin of the scan bed and so misses > > the negative completely. > > > >> The log data you sent indicated a mostly white (or black, depending on > >> whether you look at the scan data before or after conversion from > >> negative to positive). Did you put an original on the scanner? > > > > There was a negative in the holder on the bed to be scanned. The point > > is that the preview missed it completely that is why the scan is mostly > > white. > > > >> What does a default TPU scan look like? Can you put up an image so I > >> can take a look? > > > > Ok, have a look at a screen shot after the preview, > > http://www.math.concordia.ab.ca/~bob/Screen1.png > > and then after the default scan, > > http://www.math.concordia.ab.ca/~bob/Screen2.png > > There was a negative in the transparency holder at the time, have a look > > at the scanner with the lid up after the scan, > > http://www.math.concordia.ab.ca/~bob/Scanner.jpg > > As you can see the negative strip was in the holder in the center of the > > scanner under the transparency light but the scan location is not > > correct. > > Yes, but I also note that the film strip stick out of the holder. The > holder has special openings/slits for calibration purposes. The one > for dia positives is visible on the top left of Scanner.jpg. If the > film strip covers this calibration area, you will get strange scan > results. I can't tell for sure, but it looks like your film strip > covers a calibration slit at the top. What are the results when you > make sure your negative fits the holder (and does not stick out on > either side)? After cutting the film strip to fit and going back and forth between the flatbed and transparency unit settings a couple of times it did pick up the correct location for the film strip. > > Any suggestions as to how to tell sane the correct location for the > > preview and scan? > > > > Thanks for the help, Bob > > Hope this helps, I'm glad it was a simple problem, thank you so much for the help. Bob -- Dr. Robert J. Jerrard, Professor of Mathematics, Concordia University College of Alberta, 7128 Ada Blvd., Edmonton, Alberta, T5B 4E4, Canada. Phone: (780) 479-9291, Fax: (780) 474-1933.
