[NTG-context] Re: Working with layer sets with Metapost

[Emanuel Han via ntg-context <ntg-context@ntg.nl>]

[-- Attachment #1.1: Type: text/plain, Size: 7816 bytes --]

Resp. the solution should be such that each generated PDF page has the same dimension, the same background colour and a page number and the metapost content on each page has the same scaling factor.

On Feb. 15 2024, at 11:10 pm, Emanuel Han via ntg-context <ntg-context@ntg.nl> wrote:
> Dear Mikael,
>
> I actually need to keep the \dorecurse mechanism of the mwe (from line 44 on), because I need the "setbounds currentpicture to TheFrame" and also because I need page numbering inside the MPpage, as done with draw textext(decimal(currentime)).
> So, how can I use the \useMPgraphic{layerset1} etc. inside the \dorecurse, assuming I name my layersets "layerset1", "layerset2", "layerset3" etc.?
> Emanuel
> On Feb. 15 2024, at 10:07 pm, Emanuel Han via ntg-context <ntg-context@ntg.nl> wrote:
> > Dear Mikael,
> > thanks a lot!
> > this seems to be the solution! And it looks beatiful enough to me 😄
> > I'll try to port all my layers to this new method and see if I run into new problems again 😅
> >
> > Emanuel
> >
> > On Feb. 15 2024, at 8:19 am, Mikael Sundqvist <mickep@gmail.com> wrote:
> > > Hi
> > >
> > > On Thu, Feb 15, 2024 at 1:03 AM Emanuel Han via ntg-context
> > > <ntg-context@ntg.nl> wrote:
> > > >
> > > > Dear list,
> > > >
> > > > the attached .tex file is the minimal working example we discussed today in the online meeting.
> > > >
> > > > I realized that the approach of looping through k of p[k] is not fitting my needs, because it's not flexible enough.
> > > >
> > > > I need another approach, one which works with layer sets.
> > > >
> > > > I would stop using p as an array, because with the layer sets approach we don't have a fixed order of the layers.
> > > >
> > > > So the definition of the layers would be something like
> > > >
> > > > picture layerA;
> > > > layerA:=image(
> > > > label("Word 1", z1);
> > > > );
> > > >
> > > > picture layerW;
> > > > layerW:=image(
> > > > label("Mot 2", z2);
> > > > );
> > > >
> > > > picture layerM;
> > > > layerM:=image(
> > > > label("Parola 3", z3);
> > > > );
> > > >
> > > > picture layerC;
> > > > layerC:=image(
> > > > label("Wort 4", z3+z1);
> > > > );
> > > >
> > > > picture layerY;
> > > > layerY:=image(
> > > > label("Nummer 5", z2+z3);
> > > > );
> > > >
> > > > picture layerU;
> > > > layerU:=image(
> > > > label("number 6", z2+z1);
> > > > );
> > > >
> > > > After that, I would define layer sets and layer subsets. This will be done manually for each layer set and each layer subset.
> > > > I don't know the proper syntax to do that. Let's assume we could use a variable type called "myset".
> > > >
> > > > myset layersubsetGamma;
> > > > layersubsetGamma:={layerU,layerM};
> > > >
> > > > In my logic, the layers will be drawn in the order of their appearance within the {}. In the example, drawn content of layerM might cover drawn content of layerU.
> > > >
> > > > Contrary to a layer subset, each layer set will result in a PDF page, and thus the layer sets are related to each other by an inner order. That's why I would use an array variable here with [].
> > > >
> > > > I don't know how to append a set. In the following example, I assumed there would be a function myappend(<initial set>, <the things what the initial set should be appended with>)
> > > >
> > > > myset layerset[];
> > > > layerset1 := {layerW,layerA};
> > > > layerset2 := myappend{layerset1, layerY};
> > > > layerset3 := myappend{layerset2, layersubsetGamma};
> > > > layerset4 := myappend{layerset2, layerU};
> > > > layerset5 := myappend{layerset4, layersubsetGamma};
> > > >
> > > > Finally, I would need each layerset[k] typeset on its own pdf page. And of course on each page k, only the layers which appear in the definition of the layerset[k] should be drawn on top of each other in the order as they appear in that definition.
> > > >
> > > > I'm very curious to hear your suggestions.
> > > >
> > >
> > > Not beautiful, perhaps, but maybe something like this could work? I
> > > think there is no way out of doing some manual work to tell what you
> > > want included on each page.
> > >
> > > \startuseMPgraphic{base}
> > > z1 = origin ;
> > > z2 = (10,50) ;
> > > z3 = (40,30) ;
> > >
> > > picture layerA;
> > > layerA:=image(
> > > label("Word 1", z1);
> > > );
> > >
> > > picture layerW;
> > > layerW:=image(
> > > label("Mot 2", z2);
> > > );
> > >
> > > picture layerM;
> > > layerM:=image(
> > > label("Parola 3", z3);
> > > );
> > >
> > > picture layerC;
> > > layerC:=image(
> > > label("Wort 4", z3+z1);
> > > );
> > >
> > > picture layerY;
> > > layerY:=image(
> > > label("Nummer 5", z2+z3);
> > > );
> > >
> > > picture layerU;
> > > layerU:=image(
> > > label("number 6", z2+z1);
> > > );
> > > \stopuseMPgraphic
> > >
> > > \startuseMPgraphic{Gamma}
> > > draw layerU ;
> > > draw layerM ;
> > > \stopuseMPgraphic
> > >
> > > \startuseMPgraphic{layerset1}
> > > \includeMPgraphic{base}
> > > draw layerW ;
> > > draw layerA ;
> > > \stopuseMPgraphic
> > >
> > > \startuseMPgraphic{layerset2}
> > > \includeMPgraphic{layerset1} ;
> > > draw layerY ;
> > > \stopuseMPgraphic
> > >
> > > \startuseMPgraphic{layerset3}
> > > \includeMPgraphic{layerset2} ;
> > > \includeMPgraphic{Gamma} ;
> > > \stopuseMPgraphic
> > >
> > >
> > > \startuseMPgraphic{layerset4}
> > > \includeMPgraphic{layerset2} ;
> > > draw layerU ;
> > > \stopuseMPgraphic
> > >
> > > \startuseMPgraphic{layerset5}
> > > \includeMPgraphic{layerset4} ;
> > > \includeMPgraphic{Gamma} ;
> > > \stopuseMPgraphic
> > >
> > > \starttext
> > > \startTEXpage[offset=1DK]
> > > \useMPgraphic{layerset1}
> > > \stopTEXpage
> > >
> > > \startTEXpage[offset=1DK]
> > > \useMPgraphic{layerset2}
> > > \stopTEXpage
> > >
> > > \startTEXpage[offset=1DK]
> > > \useMPgraphic{layerset3}
> > > \stopTEXpage
> > >
> > > \startTEXpage[offset=1DK]
> > > \useMPgraphic{layerset4}
> > > \stopTEXpage
> > >
> > > \startTEXpage[offset=1DK]
> > > \useMPgraphic{layerset5}
> > > \stopTEXpage
> > >
> > > \stoptext
> > > /Mikael
> > > ___________________________________________________________________________________
> > > If your question is of interest to others as well, please add an entry to the Wiki!
> > >
> > > maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
> > > webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
> > > archive : https://github.com/contextgarden/context
> > > wiki : https://wiki.contextgarden.net
> > > ___________________________________________________________________________________
> > >
> >
> > ___________________________________________________________________________________
> > If your question is of interest to others as well, please add an entry to the Wiki!
> >
> > maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
> > webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
> > archive : https://github.com/contextgarden/context
> > wiki : https://wiki.contextgarden.net
> > ___________________________________________________________________________________
>
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry to the Wiki!
>
> maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
> webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
> archive : https://github.com/contextgarden/context
> wiki : https://wiki.contextgarden.net
> ___________________________________________________________________________________


[-- Attachment #1.2: Type: text/html, Size: 8872 bytes --]

[-- Attachment #2: Type: text/plain, Size: 511 bytes --]

___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl
webpage  : https://www.pragma-ade.nl / https://context.aanhet.net (mirror)
archive  : https://github.com/contextgarden/context
wiki     : https://wiki.contextgarden.net
___________________________________________________________________________________