[pstricks] 3d "arrows"

[Per Ting]

When I run your code, Miktex stops at pstricks-add (or pst-plot, included in
it) with error messag:

("C:\Program Files (x86)\MiKTeX
2.9\tex\generic\pstricks-add\pstricks-add.tex"
("C:\Users\Main
User\AppData\Local\MiKTeX\2.9\tex\generic\pst-plot\pst-plot.tex
"  v1.10, 2010/02/11

! LaTeX Error: Missing \begin{document}.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...

l.1006 \psset{labelFontSize={},mathLabel=true}

?

but when I comment out \usepackage{pstricks-add}, it works fine. Any idea
what is going wrong?

Thanks,

Per

On Thu, Dec 30, 2010 at 4:44 PM, Jon Joseph <josco.jon at gmail.com> wrote:

> All: I have included a program which draws a "circular" arrow indicating a
> direction of rotation.  This is meant to demonstrate the right hand rule
> with the vector pointing in the z direction (as shown).  The picture looks
> great and was exactly what I was trying to do. However, my method is not
> very generalizable and if I wanted to do it again I would need to
> recalculate some absolute coordinates (e.g. the position of the arrow). Does
> any one have a suggestion as to how this type of object can be
> compartmentalized within pst-solides3d?  Thanks and happy new year.  Jon
>
>
>
> \documentclass{article}
> \usepackage[dvipsnames]{pstricks}
> \usepackage{pst-solides3d}
> \usepackage{pstricks-add}
> \usepackage{amssymb, amsmath}
>
>
> \begin{document}
>
>
> \psset{unit=5mm}
> \begin{pspicture}[showgrid=false](-5,-5)(5,5)
>        \psset{viewpoint=10 30 30 rtp2xyz, Decran=30}
>        \defFunction{mycylinder}(u,v){2 u Cos mul}{2 u Sin mul}{v}
>        \psSolid[object=surfaceparametree,
>                base=pi 2 div 9 pi mul 4 div  0 .25,
>                ngrid=30,
>                function=mycylinder,
>                grid,
>                incolor=red!20,
>                fillcolor=red,
>                %RotY=-10,
>                action=draw**]
>        \psSolid[
>                object=face,
>                fillcolor=red,
>                incolor=blue,
>                biface,
>                base=0 0 .5 0 .25 .75,
>                linecolor=red,
>                RotY=90,
>                RotZ = 60,
>                action=draw**](2 sqrt, 2 sqrt, .375)
>        \psSolid[
>                object=vecteur,
>                args=0 0 2,
>                linewidth=2pt,
>                linecolor=blue]
>        \psPoint(0,0,2.2){A} \uput[0](A){\large $\vec{\omega}$}
>        \axesIIID(0,0,0)(3,3,3)
> \end{pspicture}
>
> \end{document}
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