[scribus] PDFX3, CMYK and opacity

[JLuc]

Le 15/02/2012 07:16, Peter Nermander a écrit :
>> The printer requests PDF X3.
>
>> As a result, printer says "some pictures are CMYK and some are RGB in your file".
>
> That is the whole point of using PDF/X-3: It allows the content to be
> mixed and leaves the CMYK-conversion to the RIP/printer.

Thats how i understand it now.

>  From the Wikipedia article on PDF/X:
> "For example, in PDF/X-1a all fonts need to be embedded and all images
> need to be CMYK or spot colors. PDF/X-3 accepts calibrated RGB and
> CIELAB colors, while retaining most of the other restrictions of
> PDF/X-1a."
>
> If your printer requests a "CMYK only PDF/X-3" you should ask him why
> (and explain to him that it seems contradictory). It seems more as if
> what he wants is PDF/X-1a.

Thanks for the suggestion.
That PDFX3 request seems not correct. I will ask the technician.

JLuc