[NTG-context] placing (on) layers
Henning Hraban Ramm
texml at fiee.net
Fri Apr 15 21:51:30 CEST 2022
Hi again,
I’m always struggling with putting stuff on layers, since these just
never start where I’d expect them to, and the offsets changed a few
times within the last years.
Please explain how I should define a layer that covers the whole page,
since the following MWE is wrong (the layer always starts below the
first line):
\useMPlibrary[dum]
\setuppapersize[A5][A4]
\setuplayout[
marking=on,
location=middle,
]
\definemeasure[Bleed][3mm]
\definemeasure[MaxHeight][{\dimexpr\paperheight + 2\measure{Bleed}\relax}]
\definemeasure[MaxWidth][{\dimexpr\paperwidth + 2\measure{Bleed}\relax}]
\definelayer[papier][
preset=lefttop,
%x=0mm,y=0mm,
width=\paperwidth,
height=\paperheight,
]
\setupbackgrounds[paper][background=cover,state=start]
\starttext
\showframe
TEST
\setlayerframed[papier][
preset=lefttop,
%x=-\measure{Bleed},
%y=-\measure{Bleed},
offset=overlay,
%frame=off,
width=\measure{MaxWidth},
height=\measure{MaxHeight},
]{\externalfigure[dummy][
width=\measure{MaxWidth},height=\measure{MaxHeight}
]}
\flushlayer[papier]
\stoptext
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