Hi all,
Currently I am using
\startuniqueMPgraphic{foo}
...
if (\DbgFill=0) :
fill whatever
fi
...
\stopuniqueMPgraphic
in my MP graphics. \DbgFill (0|1) is just a trigger, which prevents
filling in case of visual debugging. Instead of always writing this
'long' form, it should be possible to use a self written mp-macro
instead. But my naive approach
def dbg_fill (expr p) =
if (\DbgFill=0) :
fill p ;
fi
enddef ;
doesn't work. I get
>> DbgFill
! Unknown relation will be considered false.
How do I realize this trigger inside pure MP code and set it outside in
TeX? The trigger should be global and can change during runtime. Any
help is welcome.
Greetings, Peter
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