[pstricks] uput and \SpecialCoor

[Juergen Rose]

On Sun, 2013-11-03 at 09:12 -0800, Werner Grundlingh wrote:
> Your \uput is malformed. The syntax is
>   \uput*{<labelsep>}[<refangle>]{<rotation>}(<x>,<y>){<stuff>}
> Some of the components are optional (even though they are braced). You
> might be after an interface that resembles
>   \uput[d]{0}(! 2 1.4 mul 1.8){$t$}
> I don't really know what you're after though, so my selection could be
> completely wrong.
> 
> 
> 
> As reference, see the pstricks documentation, specifically section 24
> Placing and rotating whatever on page 43.

...
> On Sun, Nov 3, 2013 at 8:18 AM, Juergen Rose <rose at rz.uni-potsdam.de>
> wrote:
>         If I use the following code, it works:
>         
>         \begin{pspicture}[showgrid=true](\xpsmin,\ypsmin)(\xpsmax,
>         \ypsmax)
>           \psaxes[]{->}(0,0)(-0.3,-0.3)(\xmax,\ymax)
>         
>           \psdot[linecolor=cyan](! 2 45 cos mul 2 45 sin mul)
>         
>           \pstGeonode(\yCthree,\zCthree){C_3}(\yCfour,\zCfour){C_4}
>           \pstGeonode[PointName={}](\yCfourProj,\zCfourProj){C4P}
>           \pstGeonode[PosAngle=180](\yA,\zA){A}
>         
>           \ncline{C_4}{A}
>           \ncline{A}{C_3}
>           \ncline{C_3}{C_4}
>         
>           \ncline{C_4}{C4P}
>         
>           \rput(! 2 1.4 mul 1.8){$t$}
>         \end{pspicture}
>         
>         If I replace the last rput statement with a uput statement, it
>         fails
>         with:
>         
>         ...
>         ( FP-UPN ( FP-MUL ) ( FP-ADD ) )
>         ! Use of \uput at ii doesn't match its definition.
>         l.53   \uput(!
>                        2 1.4 mul 1.8t$}
>         ?
>         
>         Is this intentional or do I make something wrong?
>         
>         In the attachment there is a working example
>         main_0_article.tex with
>         rput and a failing example main_1_article.tex.

Werner, thanks for your correction. Now it works.