[pstricks] arcangle=nonconstant?

[Herbert Voss]

Bob Tennent wrote:
>  >|> But either way, I need to do computation with numbers known to LaTeX,
>  >|> not just constants (180, 2, etc.). Suppose I have the angle I want in a
>  >|> TeX counter; how do I pass that number to \ncarc (or to Postscript)?
>  >|
>  >|\newcounter{mycounter}
>  >|\setcounter{mycounter}{90}
>  >|
>  >|\pnode(0,0){A}\pnode(11,0){B}
>  >|\ncarc[arcangleA=\themycounter]{A}{B}
> 
> Thanks. Is there a way to make this work with \SpecialCoor?
> 
> \newcounter{xx}
> \newcounter{yy}
> \setcounter{xx}{5}
> \setcounter{yy}{3}
> 
> \pnode(0,0){A}\pnode(10,0){B}
> \SpecialCoor
> \ncarc[arcangle=(\thexx,\theyy)]{A}{B}

\ncarc[arcangle={(\thexx,\theyy)}]{A}{B}

Herbert