Also thanks from my side. Just what I needed for further tests (graphics
with multiple paths).
Peter
Am 22.12.2013 19:10, schrieb Hans Hagen:
> \starttext
>
> % \enabletrackers[metapost.variables]
>
> \startMPcode
> numeric n[] ; for i=1 upto 10: n[i] := 1/i ; endfor ;
> path p[] ; for i=1 upto 10: p[i] := fullcircle xyscaled
> (cm*i,cm/i) ; endfor ;
> numeric r[][] ; for i=1 upto 4 : for j=1 upto 3 : r[i][j] :=
> uniformdeviate(1) ; endfor ; endfor ;
> pair u[][] ; for i=1 step 0.5 until 4 : for j=1 step 0.1 until 2
> : u[i][j] := (i,j) ; endfor ; endfor ;
>
> passvariable("x",12345) ;
> passarrayvariable("n-array",n,1,7,1) ;
> passarrayvariable("p-array",p,1,7,1) ;
> passvariable("p",(1,1) .. (2,2)) ;
>
> startpassingvariable("b")
> startarray
> for i=1 upto 4 :
> startarray
> for j=1 upto 3 :
> value(r[i][j])
> endfor
> stoparray
> endfor
> stoparray
> stoppassingvariable ;
>
> startpassingvariable("a")
> starthash
> key("test 1")
> startarray
> value(123)
> value(456)
> stoparray
> key("test 2")
> startarray
> index(0)
> value(123)
> value(456)
> value(789)
> slot(999,987)
> stoparray
> key("test 3")
> starthash
> key("first") value(789)
> entry("second",987)
> stophash
> stophash
> stoppassingvariable ;
>
> startpassingvariable("c")
> startarray
> for i=1 step 0.5 until 4 :
> index(i)
> startarray
> for j=1 step 0.1 until 2 :
> slot(j,u[i][j])
> endfor
> stoparray
> endfor
> stoparray
> stoppassingvariable ;
>
> draw fullcircle scaled 1cm ;
> \stopMPcode
>
> \ctxluacode{inspect(metapost.variables)}
>
> \ctxcommand{mprunvar("x")}
>
> \stoptext
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