[pstricks] Defining a maxmum and minimum point

[Arne Hallam]

This is very helpful.  I did not know about pst-vue3d.  I will download 
the documentation.

I am still trying to add a 3dplot to the circles.

 Thanks very much.


 
Herbert Voss wrote:
> Arne Hallam wrote:
>   
>> ions (which I can easily do).
>>
>> Show a small circle or disc at (x1,x2,0) in the x1-x2 plane(which I 
>> cannot do)
>>   
>>     
>
> with pst-3dplot you have a parallel projection and
> with pst-vue3d a central projection
>
> \documentclass[12pt]{article}
>
> \usepackage{pstricks}
> \usepackage{pst-3dplot,pst-vue3d}
>
> \begin{document}
>
> \begin{pspicture}(-2,-1.25)(2,3)
>   \psset{Beta=10,Alpha=30}
>   \pstThreeDCoor[xMax=2,yMax=2,zMax=4,linecolor=black,linestyle=dashed]
>   \psset{linecolor=red,linewidth=2pt}
>   \pstThreeDCircle(0,0,0)(1.5,0,0)(0,1.5,0)
>   \pstThreeDCircle[linecolor=green](0,0,1)(1.5,0,0)(0,1.5,0)
>  
> \pstThreeDCircle[linecolor=blue,fillstyle=solid,fillcolor=blue](0,0,2)(1.5,0,0)(0,1.5,0)
>   \pstThreeDDot[dotscale=2,linecolor=white](0,0,2)
> \end{pspicture}
>
> \begin{pspicture}(-2,-1.25)(2,5)
>   \AxesThreeD[linecolor=black,linestyle=dashed,arrows=->](30,30,40)
>   \psset{linecolor=red,linewidth=2pt,normaleLatitude=90,normaleLongitude=0}
>   \CircleThreeD(0,0,0){15}
>   \CircleThreeD[linecolor=green,fillstyle=solid,fillcolor=green](0,0,10){15}
>   \CircleThreeD[linecolor=blue](0,0,20){15}
> \end{pspicture}
>
> \end{document}
>
> more informations in the documentation of the packages
>
> Herbert
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>   

-- 
with all thy getting get understanding -- Proverbs 4:7.

In the wildness of speculation it has been suggested (of course more in jest than in earnest),that Europe ought to grow its corn in America, and devote itself solely to manufactures and commerce, as the best sort of division of the labour of the globe -- Thomas Malthus, An Essay on the Principle of Population Book III, Chapter XII.

Arne Hallam
Department of Economics
266 Heady Hall
Iowa State University
Ames, IA 50011

Work:    515-294-5861
FAX:     515-294-0221
Home:    515-292-8739

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