Hi Peter,
MASON Peter J schrieb:
> I'm trying to layout a grid of bullets. The results isn't the expected
> one. Perhaps someone could offer help here? Thanks.
>
> Here's the sort of thing I'm doing ....
>
> \setuplayout[leftmargin=0pt, leftmargindistance=0pt, backspace=0pt,
> rightmargin=0pt, rightmargindistance=0pt, cutspace=0pt, width=middle,
> topspace=0pt, header=0pt, headerdistance=0pt, footer=0pt,
> footerdistance=0pt, bottomspace=0pt, height=middle]
>
> %\showlayout
>
> \starttext
> \setuppositioning[unit=cm]
> \startpositioning
> \newcount\Row
>
> \Row = 0
> \loop
> {
^^
> \newcount\Col
>
^^
> \Col = 0
> \loop
> \position(\Col, \Row) {$\bullet$}
> \ifnum\Col < 14
> \advance\Col by 1
> \repeat
> }
^^
> \ifnum\Row < 36
> \advance\Row by 1
> \repeat
> \stoppositioning
> \stoptext
>
You introduce "spurious spaces" (line break sometimes adds a space) in
you loops. See
http://tug.ctan.org/tex-archive/info/texbytopic/
if you want to learn more about it.
\starttext
\setuppositioning[unit=cm]
\startpositioning
\newcount\Row
\newcount\Col
\Row=0
\dorecurse{36}
{\Col=0
\dorecurse{14}
{\position(\Col,\Row){$\bullet$}
\advance\Col by 1
}%
\advance\Row by 1
}
\stoppositioning
\stoptext
Remove the comment sign behind the inner loop and see what happens.
Also see
http://wiki.contextgarden.net/System_Macros/Loops_and_Recursion
for the nicer ConTeXt loop macros.
Best wishes, Peter
>
>
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