On 29 March 2010 23:06, Roy Britten <[email protected]> wrote:
>> Can't you do this with postscript...  -> anymap -> ps -> play with
>> ghostscript / output to lpr?
>>
>> eg
>> pngtopnm myimage.png | pnmtops -dpi 300 > myimage.ps
>
> Tried, with and without -equalpixels. Got a corrupt or incorrectly
> encoded .ps with no usable image.
>
> Who'd have thunk it was this hard? I might have to give up and ask a
> Mac user for help.
>
In that case you might care to take you file to one of the sign and
poster printing houses and get it professionally printed on a single
piece of paper / plasstic.



-- 
Sincerely etc.
Christopher Sawtell

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