On Tue, 3 Mar 2015, Jörg Weger wrote:
In the minimal working example below inside of a text two words should
be printed inside of rounded TikZ rectangles and should be connected by
an TikZ arrow pointing from the first word to the other.
TikZ offers the remember picture/overlay option for that.
I have seen a solution similar to what I want to achieve in the METAFUN
manual but I don’t have a clue how to get that METAPOST alternative working.
Here is how to get the metafun alternative working.
1. I don't understand why I need to manually input the mp-abck file; that
should be input automatically.
2. The metafun alternative is a bit inconvenient. Suppose you want to draw
a bunch of such graphics (words connected by arrows). Then, you will need
to ensure that node names are unique. (Is there a way to get around that?)
3. I did not bother to set the style of the boxes and arrows. So it looks
a bit dry.
\startMPdefinitions
% I don't know why this does not get loaded automatically.
input mp-abck.mpiv;
\stopMPdefinitions
\defineoverlay[highlight] [\positionoverlay{highlightoverlay}]
\startpositionoverlay{highlightoverlay}
\setMPpositiongraphic{n1}{highlightgraphic}{from=n1,to=n2}
\stoppositionoverlay
\startMPpositiongraphic{highlightgraphic}
save n; path n[];
initialize_box(\MPpos{\MPvar{from}}); n[1] := pxy;
initialize_box(\MPpos{\MPvar{to}}); n[2] := pxy;
draw n[1];
draw n[2];
drawarrow (center n[1]){dir 45} .. {dir -45}(center n[2])
cutbefore n[1]
cutafter n[2];
anchor_box(\MPanchor{\MPvar{from}});
\stopMPpositiongraphic
\setuppapersize[A6]
\setupbackgrounds[page][background=highlight]
\starttext
\hpos{n1}{this} belongs to \hpos{n2}{that}
\stoptext
Aditya___________________________________________________________________________________
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