Re: Trimbox and crop marks on cover page

Am 25.06.26 um 10:22 schrieb Jeroen:
> I want to generate a press-ready PDF book with cover with the following 
> but I dont seem to get the cover correct.
> 
> - Trim size 320 × 240 mm
> - MediaBox enlarged using \setuppapersize[cover][oversized]
> - Crop marks (marking=color)
> - Artwork extending into the bleed outside the TrimBox
> - I am using LMTX v. 2026.04.27 on windows 11 Pro, 25H2
> 
> 1. With the minimal example below, \startMPpage is clipped to Page so 
> the bleed area in the enlarged MediaBox remains white
> 2. Is this the intended behaviour of \startMPpage? If so, what is 
> recommended to create artwork that extends into the bleed while keeping 
> the TrimBox and crop marks?
> 
> \definepapersize[cover][width=320mm,height=240mm]
> \definepapersize[book][width=160mm,height=240mm]
> \setuppapersize[distance=38mm]
> \setuplayout[backspace=18mm, width=129mm, height=223mm, marking=color]
> \setuplayout[location=middle]

You must set the PDF boxes like

\setuplayout[
   marking=color,
   location=middle,
   cropoffset=0mm,
   trimoffset=-7.5mm,
   bleedoffset=3mm,
]
\setupinteractionscreen[width=max,height=max] % needed for activation

I didn’t check if \startMPpage then still crops the image, I’d use 
\setlayer for placement.

Hraban
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