[R] RGL- Drawing Circle

[Uwe Ligges]

On 11.01.2012 15:08, gli wrote:
> thanks Duncan.  I think want my circle to be in user coordinates.  I tried
> the first code u gave me and it gives me a circle. but how can i:
>
> 1) change the radius ?
>
> 2) place the circle at a given x,y,z coordinate?
>
> 3) turn it 90 degree up like these circle plate bus stop?
> http://www.geocities.co.jp/yuganatabi/bus-stop-aba.html
>
> 4) and finally, set the orientation angle of the circle plate?


What about readin the help pages for the functions Duncan cited?

Uwe Ligges


> grateful if u give me some directions or at least let me know if it is
> possible or not.
>
> graham
>
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