Thank you Hans and Wolfgang for the explanation!
Adam
On Tue, Oct 12, 2021 at 4:22 PM Wolfgang Schuster <
wolfgang.schuster.li...@gmail.com> wrote:
> Hans Hagen via ntg-context schrieb am 12.10.2021 um 14:12:
> > On 10/11/2021 1:38 PM, Adam Reviczky via ntg-context wrote:
> >> Hi,
> >>
> >> I am trying to use a combination figure with luacode (both with
> >> latest MKIV and LMTX).
> >> However, the figures do not line up in the grid of the combination.
> >>
> >> I get the correct result with examples 1 and 2 below, but example 3
> >> using lua functions for combination and externalfigure is what I
> >> wanted to use in the first place.
> >>
> >> MWE:
> >>
> >> \starttext
> >>
> >> \startluacode
> >>
> >> -- Combination 1
> >> context.startplacefigure({title = "Figure"})
> >> context.startcombination({nx = "2", ny = "2"},
> >>
> >> "\\externalfigure[cow][width=50mm]","Caption 1",
> >> "\\externalfigure[cow][width=50mm]","Caption 2",
> >> "\\externalfigure[cow][width=50mm]","Caption 3",
> >> "\\externalfigure[cow][width=50mm]","Caption 4"
> >> )
> >>
> >> context.stopcombination()
> >> context.stopplacefigure()
> >>
> >> -- Combination 2
> >>
> >> context.startplacefigure({title = "Figure"})
> >> context.startcombination({nx = "2", ny = "2"},
> >>
> >> "Picture 1","Caption 1",
> >> "Picture 2","Caption 2",
> >> "Picture 3","Caption 3",
> >> "Picture 4","Caption 4"
> >> )
> >>
> >> context.stopcombination()
> >> context.stopplacefigure()
> >>
> >> -- Combination 3
> >>
> >> context.startplacefigure({title = "Figure"})
> >> context.startcombination({nx = "2", ny = "2"},
> >>
> >> context.externalfigure({"cow"},{width = "50mm"}),"Caption 1",
> >> context.externalfigure({"cow"},{width = "50mm"}),"Caption 2",
> >> context.externalfigure({"cow"},{width = "50mm"}),"Caption 3",
> >> context.externalfigure({"cow"},{width = "50mm"}),"Caption 4"
> >> )
> >>
> >> context.stopcombination()
> >> context.stopplacefigure()
> >>
> >> \stopluacode
> >> \stoptext
> >>
> >> Any hints on what I am doing wrong in example 3?
> > as in any prodedural language a function as argument gets immediately
> > executed so you need to delay:
> >
> > context.startplacefigure({title = "Figure"})
> > context.startcombination({nx = "2", ny = "2"},
> > context.delayed.externalfigure({"cow"},{width = "50mm"}),
> > "Caption 1",
> > context.delayed.externalfigure({"cow"},{width = "50mm"}),
> > "Caption 2",
> > context.delayed.externalfigure({"cow"},{width = "50mm"}),
> > "Caption 3",
> > context.delayed.externalfigure({"cow"},{width = "50mm"}),
> > "Caption 4"
> > )
> > context.stopcombination()
> > context.stopplacefigure()
> >
> > (this is why encoding complex documents completely in a scrtipt
> > language is non trivial and why for instance these template systems
> > are there because these accumulate)
>
> Another solution is to use the content and caption blocks for each
> combination entry.
>
> \starttext
>
> \startluacode
>
> context.startplacefigure({title = "Figure"})
> context.startcombination({nx = 1, ny = 1})
> context.startcontent()
> context.externalfigure({"cow"},{width = "50mm"})
> context.stopcontent()
> context.startcaption()
> context("Caption 1")
> context.stopcaption()
> context.stopcombination()
> context.stopplacefigure()
>
> \stopluacode
>
> \stoptext
>
> Wolfgang
>
>
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