nos### [at] econymdemoncouk news:$0EsSAAl+jCA### [at] econymdemoncouk

> Hint: If you can't see your groove, try temporarily changing
> "difference" into "union" so you can see which direction you have to
> translate it in order to get it to intersect the correct part of your
> isosurface.
> 
> It's probably not a good idea to try to make your text or heightfield
> into an isosurface function if it has sharp edges since you're likely to
> get infinite function gradients.
> 

I want the height-field to be a part of isosurface function, so I can i.e. 
displace or wrap it, like I can with any isosurface function

-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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