[pstricks] Confusion with with \psSolid[](0,0,0)?

Sat Jul 18 18:49:51 CEST 2009

Hello Jean-Paul & Herbert,

thanks for the adjustment of pst-solides3d.tex. It works now perfect for \psSolid without any shifting. 

The shifting just keeps for the jps-code in combination with solidmemory 

\documentclass{minimal}
\usepackage{pst-pdf}
\usepackage{pstricks}
\usepackage{pst-solides3d}
\pagestyle{empty}

\begin{document}

\begin{minipage}{0.6\textwidth}
   \begin{pspicture}(-2,-2)(2,3)
		\psgrid[gridcolor=gray,subgridcolor=lightgray]
		\psset{lightsrc=viewpoint,lightintensity=1.2,Decran=17}

\psset{solidmemory}
\codejps{
       0 0.01 2 {4} newcylindre
       drawsolid**}
%       (also ok, if \axesIIID afterwards: see following two lines)

%\axesIIID[showOrigin=true,axisnames={x,y,z},
%          arrowinset=0,arrowscale=1.5](1,1,1)(2,2,3)
%
\end{pspicture}
\end{minipage}

Best Regards,
Robert.

----- Original Nachricht ----
Von:     pstricks-request at tug.org
An:      pstricks at tug.org
Datum:   17.07.2009 12:00
Betreff: PSTricks Digest, Vol 78, Issue 9

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> Today's Topics:
> 
>    1. Re: tangent lines and positioning within pst-solides3d
>       (Jean-Paul Vignault)
>    2. Re: Confusion with with \psSolid[](0,0,0)? (Jean-Paul Vignault)
>    3. Re: Confusion with with \psSolid[](0,0,0)? (Herbert Voss)
>    4. Re: Package Conflict pst-3dplot | pst-solides3d ? (Herbert Voss)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Thu, 16 Jul 2009 15:18:41 +0200
> From: Jean-Paul Vignault <jpv at melusine.eu.org>
> To: Graphics with PSTricks <pstricks at tug.org>
> Subject: Re: [pstricks] tangent lines and positioning within
> 	pst-solides3d
> Message-ID: <4A5F28B1.3030001 at melusine.eu.org>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
> Hi,
> 
> thanks for your image. I've put it there :
>  
> http://melusine.eu.org/lab/bpst/pst-solides3d/divers/directional_derivative.
> pst
> 
>  > 1. The command \psSurface has the option of drawing the curve that
>  > results of intersecting a defined surface with a plane. Is it possible
>  > to label such a curve for further use later on?
> 
> Not possible yet. But it's a good idea. Maybe in a future release ?
> 
>  > 2. Is there a direct way to plot the tangent line to the curve that
>  > results of intersecting a defined surface with a plane?
> 
> [...]
> 
> no.
> 
>  > 3. How do we translate a line object? I tried for instance
>  >
>  > \psSolid[object=line,args=-0.5 -4 8.775 4.25 5.5
>  > 8.775,linewidth=1.5pt,linestyle=dashed,linecolor=blue](a,b,c) to place
>  > the line at the point (a,b,c) but it didn't work. However, it did work
>  > with object=plan.
> 
> "line" object is not a real "solid type". It should be, but it missed
> some time. It will be ok in the next release.
> 
> By waiting this future release, you can try with \codejps as here :
>     http://melusine.eu.org/lab/bpst/pst-solides3d/divers/line_01.pst
> where line L2 is the result of line L1 translation.
> 
>  > 4. Following the previous question, what is the center of an
>  > object=plan? I translate such an object to a point (a,b,c) but I did
>  > it more or less by trial and error.
> 
> I don't understand the question
> 
>  > 5. Finally, I tried to use linestyle=none as an option in the \psSolid
>  > command for the object=plan, but it did not work.
> 
> ok.
> 
> Thanks for use pst-solides3d
> 
> Best regards,
> 
> Jean-Paul Vignault
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Thu, 16 Jul 2009 18:25:09 +0200
> From: Jean-Paul Vignault <jpv at melusine.eu.org>
> To: Graphics with PSTricks <pstricks at tug.org>
> Subject: Re: [pstricks] Confusion with with \psSolid[](0,0,0)?
> Message-ID: <4A5F5465.7070102 at melusine.eu.org>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> 
>  > Hello,
> 
> Hello,
> 
>  > below examples, which leads to different results. The origin of a
>  > solides3D object (e.g. cylinder) is shifted in combination with
>  > 'solidmemory' and the (0,0,0)-option. Drawing \axesIIID after psSolid
>  > eliminates the shifting again.
>  >
>  > Works this as designed? For reproducing please comment out the single
>  > parts. psgrid is the reference system.
> 
> hmm.. I can't find the bug, which seems to be in file
> pst-solides3d.tex :(
> 
> In fact, the option 'solidmemory' is really tricky... Need some time.
> 
>  > Best Regards,
> 
> Best Regards,
> 
>  > Robert.
> 
> Jean-Paul.
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Thu, 16 Jul 2009 19:22:00 +0200
> From: Herbert Voss <Herbert.Voss at FU-Berlin.DE>
> To: Graphics with PSTricks <pstricks at tug.org>
> Subject: Re: [pstricks] Confusion with with \psSolid[](0,0,0)?
> Message-ID: <4A5F61B8.7030205 at FU-Berlin.DE>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> robert.fischer10 at arcor.de schrieb:
> 
> > below examples, which leads to different results. The origin of a
> solides3D object (e.g. cylinder) is shifted in
> > combination with 'solidmemory' and the (0,0,0)-option. Drawing \axesIIID
> after psSolid eliminates the shifting again. 
> > 
> > Works this as designed? For reproducing please comment out the single
> parts. psgrid is the reference system.
> 
> it is a trailing space. try again with
> http://voss.homedns.org/packages/pst-solides3d/pst-solides3d.tex
> 
> Herbert
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Thu, 16 Jul 2009 19:24:36 +0200
> From: Herbert Voss <Herbert.Voss at FU-Berlin.DE>
> To: Graphics with PSTricks <pstricks at tug.org>
> Subject: Re: [pstricks] Package Conflict pst-3dplot | pst-solides3d ?
> Message-ID: <4A5F6254.5070703 at FU-Berlin.DE>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> robert.fischer10 at arcor.de schrieb:
> 
> > in one document I use 3dplot and solides3d for different pictures. Without
> having pst-3dplot, the solides3d example
> > below works. With pst-3dplot I get a error message. nevertheless the
> picture is drawed in the correct way.
> > 
> > Moreover there exists the note 'that after pst-3dplot no package is
> loaded, which uses the old keyval interface.'
> > 
> > Following works fine without any error (\usepackage{pst-3dplot} is
> commented out)
> > 
> 
> [...]
> 
> > Problem:
> > 
> > if \usepackage{pst-3dplot} used, the picture looks identical. But
> follwoing error message:
> > 
> > ! Bad number: MyBeta 0 substituded \@pstrickserr
> > ! Bad number: MyAlpha 0 substituded \@pstrickserr
> > 
> > Any idea what is the reason behind?
> 
> 
> both packages use a RotX|Y|Z, but pst-3dplot checks if it is
> an angle. You have to set it by \psset[pst-solides3d]{RotX=myRot}
> 
> Herbert
> 
> 
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