[pstricks] Trig Graph Inconsistency?

[Herbert Voss]

McGarry Vince wrote:
> I would think that these would each give the same result, but they  
> don't seem to---I'm not certain what I don't understand about how  
> these work.
> 
> \documentclass{minimal}
> \listfiles
> \usepackage{pstricks}
> \usepackage{pstricks-add}
> 
> %%%--- this seems to work correctly
> 
> \begin{document}
> \psset{trigLabels=true}
> \begin{pspicture}(-0.5,-1.25) (10,1.25)%
> \psaxes[xunit=\pstRadUnit]{->}(0,0)(-0.5,-1.25) (\psPiTwo,1.25)
> \psplot[xunit=1,linecolor=red,linewidth=1.5pt]{0}{\psPiTwo}{x  
> RadtoDeg sin}
> \end{pspicture}
> 
> %%%--- this doesn't seem to work correctly (or more than likely  
> there's something I don't get.)
> 
> \psset{trigLabels=true,xunit=\pstRadUnit}
> \begin{pspicture}(-0.5,-1.25) (10,1.25)%
> \psaxes{->}(0,0)(-0.5,-1.25) (\psPiTwo,1.25)
> \psplot[xunit=1,linecolor=red,linewidth=1.5pt]{0}{\psPiTwo}{x RadtoDeg sin}
          ^^^^^^^^^^
xunit=1cm, otherwise PSTricks takes the current unit into account,
which is not cm! It is set by

\psset{trigLabels=true,xunit=\pstRadUnit}

to 1.04...cm = pi/3 cm

Herbert