"Simen Kvaal" <sim### [at] studentmatnatuiono> writes:

> Why does this work:
> isosurface {
>         function {
>                 (2*x^2+y^2+z^2-1)^3 - (0.1)*x^2*z^3-y^2*z^3
> 
>         }
[...]
> }
> 
> but not this:
> 
> 
> #declare Heart =
>     function {
>                 (2*x^2+y^2+z^2-1)^3 - (0.1)*x^2*z^3-y^2*z^3
>     }
> 
> isosurface {
>         function {
>                 Heart(x, y, z)
>         }
[...]
> }

I dont' know, but this works (at least with MegaPOV 0.4):

#declare Heart =
    function { (2*x^2+y^2+z^2-1)^3 - (0.1)*x^2*z^3-y^2*z^3 }


 isosurface {
        function {
                Heart
        }

etc.

Thomas

-- 
http://thomas.willhalm.de/ (includes pgp key)

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