Resolution depends on printer you will use: Canon and HP 300/600 dpi, Epson 360 dpi. Both for final size!. The reason is print in native resolution of printing head and don't make interpolations.
m.
But for A1 or A0 posters I give pdf files to the
print shop. As yet, as far as memory tells me (I have none to hand) they
look like the Acrobat rendition, but others may have different experiences
to me.
It is usual for me to have difficulty with print shops having subtle
problems with printing maps - areas in particular. Even when they display
OK on screen. Adobe Illustrator I think is what they use. A solution I
have used for small files is to convert to jpg. Large files crash any
converter I have, so no overall solution other than to live in hope...
Bruce
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