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Old Nov 13, 2006, 1:49 AM   #1
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if I understand correctly, the expansion for overspray happens in the print driver. So the interpolation by Qimage gets modified at this point. How does this influence image quality?

Probably the answer is -- do not use borderless or at least switch off overspray if you care about the quality as it not only resamples the image, it also effectively crops it. But still -- I do not see any change in detail on a random sample (maybe because the image gets slightly larger?); probably only specific images could degrade visibly.

Any experience with this?
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Old Nov 13, 2006, 7:56 AM   #2
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I recently figured out that there are some simple things a person can do in CS2 that will let you print borderless (via Qimage) and (1) greatly reduce the cropping due to overspray and (2) reduce ink consumption. The details are at
http://forums.dpreview.com/forums/re...ssage=20828047
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Old Nov 13, 2006, 9:29 AM   #3
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Thanks, you could probably do about the same by positioning the image on page in Qimage.

My question was more about the quality potentially lost on second resampling by the printer driver than about reduction of cropping.
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Old Nov 13, 2006, 11:41 AM   #4
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Qimage still does all the resampling, because the driver reports a "false" resolutio like 741 PPI. That forces Qimage to resample to a larger size.

Mike
http://www.ddisoftware.com/qimage
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Old Nov 13, 2006, 11:59 AM   #5
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great, thanks, Mike.

This means no-resampling problem, just the inconvenience of uncontrollable cropping that could be minimized with some ingeniousity. Or maybe print with borders and optionally cut them off with old fashioned tools... less work, better control. Unless you print each image many times.
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Old Nov 13, 2006, 12:13 PM   #6
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Jelf wrote:
Quote:
I recently figured out that there are some simple things a person can do in CS2 that will let you print borderless (via Qimage) and (1) greatly reduce the cropping due to overspray and (2) reduce ink consumption. The details are at
http://forums.dpreview.com/forums/re...ssage=20828047
Just FYI, this can be done much easier in Qimage without the need for CS2 or any other software:

http://forums.dpreview.com/forums/re...ssage=20856390

Mike
http://www.ddisoftware.com
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