In article <Xns94CF75BE6AFC1cybermans.pov.posts.@203.29.75.35>,
 "Stephen R. Phillips" <cyb### [at] socketnet> wrote:

> This of course bombs completely.. so how does one use the HF_Square macro? 

You have to pass a function to the macro, you can not use a macro. For 
example:

#include "functions.h"

#declare HF_F = function {f_noise3d(x, y, z)}

#declare Ground = HF_Square(HF_F, false, false, < 40, 40>, 1, "", 
<-20,-1,-20>, <20, 4, 20>)

rand() can not currently be used in functions, but it would be fairly 
useless for this anyway.


> It's not obvious and there are no examples I could find.

Look at the shapes.pov demo scene, in the incdemo folder.

-- 
Christopher James Huff <cja### [at] earthlinknet>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: <chr### [at] tagpovrayorg>
http://tag.povray.org/

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