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April 2012
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2012.04.11 22:38 "Re: tiff2pdf fit image to page - how does it scale?", by James Cloos
Some fax software -- and perhaps some fax hardware -- prepends the header to each page rather than overlaying the header on top of the first so many mm of each page. I suspect your tiff has been through such an xform. All a4, letter and legal faxes should be 1728 pixels wide, which is approx 104 dpi wide. A4 paper is 595.27559 x 841.88976 (ps/pdf) points. IIRC, low and high res faxes are 98 and 196 dpi tall. 841.88976 * 196 / 72 = 2291.81, which suggests that your fax is about 30 pixels (11 pt; 3.9 mm) too tall. That suggests the header was prepended instead of overlaid. It looks like the /mm numbers are 3.85/mm and 7.70/mm; that would mean an a4 page should be 297.0 * 7.7 = 2287 pixels, making you tiff 35 px too tall, or 4.55 mm. Still about right for a prepended header line. -JimC -- James Cloos <cloos@jhcloos.com> OpenPGP: 1024D/ED7DAEA6