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001382_owner-lightwav…mail.webcom.com_Tue Oct 24 18:08:47 1995.msg
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1995-11-07
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From: bhood@netcom.com (robert hood)
Message-Id: <199510250059.RAA21696@netcom4.netcom.com>
Subject: Re: Remember EGG? Well,
To: lightwave@mail.webcom.com
Date: Tue, 24 Oct 1995 17:59:55 -0700 (PDT)
In-Reply-To: <95102414472423041@tenforward.com> from "Justin Barrett" at Oct 24, 95 03:48:01 pm
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> Je> Otherwise: has anybody created a plugin that will maybe
> Je> generate a "distant ring of fractal mountains"? I just tried to do it
> Je> by hand sketching, and boy did it suck. I'm a-gonna go back and try
> Je> jitter, but I thought I'd post first.
>
> Could you describe this "distant ring of fractal mountains" a bit more?
>
> You might be able to do it yourself. Make a tripled and heavily
> subdivided plane (or ring in this case...???), load it into Layout,
> Displacement map it with Fractal Bumps, and use Save Transformed to retain
> the new geometry.
Is the original poster running on an Amiga? (Sorry, I missed it.) You might
want to try Arnie Cachelin's Fractalize AREXX Macro. The description on the
macro reads "iterate a process of subdivide and jitter to make a fractal-
like object."
If you're not running on an Amiga, you'll have do it manually or use a
different scripting language (plug, plug =|^).
Just for grins, here is Arnie's Fractalize macro in BML script:
------------------------------------------------------------------------
main
{
var c1,c2;
var levels,noise,
levels = 2;
noise = 5;
reqbegin("Fractalize");
c1 = addcontrol(levels,"Levels (1-4)");
c2 = addcontrol(noise,"Noise (%)");
addtext("WARNING", // <-- first argument is control title
"This operation could take a long time,",
"and create very many points if Level is high");
if(reqpost())
{
levels = getvalue(c1);
noise = getvalue(c2);
}
else
return;
reqend();
var scaleFactor = noise / 100;
var bb[2],low,hi;
bb = boundingbox();
low = bb[1];
hi = bb[2];
var size = scaleFactor *
((hi.x - low.x) + (hi.y - low.y) + (hi.z - low.z)) / 3;
triple();
jitter(size); // will automatically convert size into <size,size,size>
var i = 1;
while(i < levels)
{
subdivide(SMOOTH);
size *= scaleFactor;
jitter(size);
++i;
}
}
------------------------------------------------------------------------
Good luck!
Render me gone, |||
Bob ^(===)^
-------------------------oOO--(_)--OOo--------------------------------------
Bob Hood | Bureaucracy destroys initiative. There is little that
| bureaucrats hate more than innovation, especially
Work: 303-730-1324 | innovation that produces better results than the old
Home: 303-980-8392 | routines. Improvements always make those at the top
bhood@netcom.com | of the heap look inept. Who enjoys appearing inept?
hood@cqgrd.com | - Frank Herbert
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