do your tiffs have XResolution and YResolution tags in them before you convert?

allan

On Wed, Apr 12, 2017 at 11:05 AM, Manuel Reiter <man...@reiter.pm> wrote:
> Hi all,
>
> this might be a bit off topic here and if that's against this list's policy, 
> I apologize in advance, but I've been websearching literally for hours now 
> without finding a solution and I figure somebody here might have had the same 
> problem before.
>
> I want to convert a TIFF, scanned at 300 dpi, to a PDF of the same size and 
> dpi. From my searches, this should be achievable both with ImageMagick's 
> "convert" with output option "-r300" and with ghostscript and 
> "-dPDFSETTINGS=/printer". However, both approaches don't work for me. convert 
> resamples the image to 72 dpi while ghostscript correctly embeds the image at 
> full resolution but does apparently not set the required metadata for the 
> PDF/embedded image resolution to be recognised as 300 dpi.
>
> Any ideas anybody? Suggestions where else to ask are also highly welcome. 
> Thanks in advance!
>
> Cheers,
>
> Manuel
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