# Re: [NTG-context] Code lua in a table

```Hello,
I am making progress and I almost get what I want to achieve but I still
have two problems :
how to color cells not containing numbers with the same color as the others
?
how to color in salmon, for example, cells 1 2  ?
3
Thank you
Fabrice```
```
\usecolors[X11]

\startuseMPgraphic{DiagonalRule}
rulethickness := \frameddimension{rulethickness};

drawoptions(
withpen pencircle scaled rulethickness
withcolor \MPcolor{\framedparameter{framecolor}});

pair leftcorner, rightcorner;
leftcorner  := (rulethickness, \overlayheight-rulethickness);
rightcorner := (\overlaywidth-rulethickness, rulethickness);

draw leftcorner -- rightcorner;
\stopuseMPgraphic

\defineoverlay
[DiagonalRule]
[\useMPgraphic{DiagonalRule}]

\define[2]\DiagonalLabel{%
\setuptabulate [after={\blank[\frameddimension{offset}]}]
\starttabulate [|p|r|]
\NC    \NC #2 \NC\NR
\NC #1 \NC    \NC\NR
\stoptabulate
}

\starttext
\startluacode
function Binom(n,k)
if k > n then
return ""
elseif (n == 0 or k == 0) then
return 1
else
return math.round((n*Binom(n-1,k-1))/k)
end
end
context.startxtable({"align={middle,lohi},
width=1cm,offset=0.8ex,bodyfont=9pt,framecolor=cyan"})
context.startxrow()

context.startxcell({"background=DiagonalRule,background=color,backgroundcolor=thistle2"})
context("\\DiagonalLabel{\\m{n}}{\\m{k}}")
context.stopxcell()
for j = 0, 7 do
context.startxcell({"background=color,backgroundcolor=thistle2"})
context(j)
context.stopxcell()
end
context.startxcell({"background=color,backgroundcolor=thistle2"})
context("\\dots")
context.stopxcell()
context.stopxrow()
for i = 0, 7 do
context.startxrow()
context.startxcell({"background=color,backgroundcolor=thistle2"})
context(i)
context.stopxcell()
for j = 0, 8 do
context.startxcell()
context(Binom(i,j))
context.stopxcell()
end
context.stopxrow()
end
context.startxrow()
context.startxcell({"background=color,backgroundcolor=thistle2"})
context("\\dots")
context.stopxcell()
for i = 0, 8 do
context.startxcell({"background=color,backgroundcolor=thistle2"})
context("")
context.stopxcell()
end
context.stopxrow()
context.stopxtable()
\stopluacode
\stoptext

Le lun. 20 juil. 2020 à 14:55, Hans Hagen <j.ha...@xs4all.nl> a écrit :

> On 7/20/2020 2:40 PM, Jeong Dal wrote:
>
> > I also wonder where is the boundary of ConTeXt.
> The boundaries are set and shift by users (the mailing list) and
> curiosity (personal).
>
> Hans
>
> -----------------------------------------------------------------
>                                            Hans Hagen | PRAGMA ADE
>                Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>         tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -----------------------------------------------------------------
>
> ___________________________________________________________________________________
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
> http://www.ntg.nl/mailman/listinfo/ntg-context
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> wiki     : http://contextgarden.net
>
> ___________________________________________________________________________________
>
```
```___________________________________________________________________________________