[pstricks] \definecolor undefined

[Herbert Voss]

Alberto Vecchiato wrote:

>Hi, I'm trying to run the "Tore3D.tex" example downloaded from
>http://www.tug.org/applications/PSTricks/ThreeD/ but the file doesn't compile
>and I get the following error message:
>! Undefined control sequence.
>l.17 \definecolor
>                 {LightBlue}{rgb}{0.68,0.85,0.9}
>
>Here is the first lines of the original source code:
>\documentclass{article}
>
>\usepackage{pstricks}             % PSTricks with the `color' extension
>  
>
update your pstricks package

Herbert