PanoTools:
Re: Printing Large Panos - Workarounds for Qimage Problems?
Eric O'Brien 2004-Nov-23 06:26:31
This is neither free nor inexpensive, but you might want to know about
it
SizeFixer <http://www.fixerlabs.com/pages/sizefixer1.html>
"Enlarge up to 400% without loss of sharpness."
"World First - Super-resolution technology."
"Absolutely no compromise image interpolation."
eo
On Nov 22, 2004, at 7:32 PM, Jim Peterson wrote:
>
>
> Hi all -
>
> I've occasionally seen folks here mention the benefits of using Qimage
> to print panoramas, so I decided to give it a try. My results were
> distinctly mixed: Qimage makes great prints, sharper than Photoshop,
> when working with what I consider medium size panoramas (e.g., 8.3 x
> 32 inches=21 x 81 cm). But Qimage will not open image files greater
> than 32768 pixels on a side, and it has (in my experience) serious
> bugs and deficiencies even when working with files considerably
> smaller than that limit. My panos just keep getting bigger, and those
> issues mean that Qimage won't work for me when I need it the most.
>
> But it occured to me that there might be some alternatives to Qimage
> that would accomplish the same thing. Qimage's basic trick is to
> upsample the image to the "native" resolution of the printer, and then
> sharpen it, before sending it to the printer driver - so I tried the
> same trick manually in Photoshop. That did indeed give some
> improvement in sharpness, but it was not the equal of Qimage. The
> reason, most likely, is that Qimage has several resampling methods
> available (e.g., Pyramid, Lanczos) that Photoshop doesn't support.
>
> So here's my question for anyone who has an answer: are there other
> image editing tools out there (preferably freeware or inexpensive ;-)
> that support the reasmpling methods used by Qimage when resizing and
> upsampling an image? If so, could you share your experiences and tips
> on using them?
>
> Thanks! -Jim
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