In the example the text is drawn as:
draw followtext(q, "\strut TEXT ONE")
it looks as if the \strut generates a space before the text.
e.g. if you omit the \strut, the text will align at the start point.
In my perception, the \strut is a zero width box, so it should not
generate the space before.
But I might be wrong here (most likely ;-)
.F
On 05/10/2021 23:32, Thomas A. Schmitz via ntg-context wrote:
\startuseMPgraphic{empedocless}
path p, q, r ;
pair a ;
p := fullcircle scaled 10cm ;
drawarrow p withpen pencircle scaled 1mm withcolor red ;
draw point 0 of p withpen pencircle scaled 1mm withcolor blue ;
q := p cutafter (point .4 along p) ;
drawarrow q withpen pencircle scaled .5mm withcolor green ;
draw followtext(q, "\strut TEXT ONE") ;
p := fullcircle scaled 8cm ;
drawarrow p withpen pencircle scaled 1mm withcolor cyan ;
draw point 0 of p withpen pencircle scaled 1mm withcolor magenta ;
q := p cutafter (point .3 along p) ;
q := q rotated 120 ;
drawarrow q withpen pencircle scaled .5mm withcolor yellow ;
draw followtext(q, "\strut TEXT TWO") ;
% the real deal: best make a macro for this
p := fullcircle scaled 6cm ;
draw point 0 of p withpen pencircle scaled 5mm withcolor blue ;
drawarrow p withpen pencircle scaled 1mm withcolor red ;
a := (point eps of p) rotated 45 ;
draw a withpen pencircle scaled 2mm;
q := p cutafter a ;
q := q rotated 20 ;
drawarrow q withpen pencircle scaled .5mm withcolor green ;
draw followtext(q, "\strut TEXT TWO") ;
\stopuseMPgraphic
\useMPgraphic{empedocless}
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