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The text's on signs are just some names/topics on conference, image is a
poster for it.
--
http://www.raf256.com/
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Attachments:
Download 'p00295_045_m.jpg' (143 KB)
Preview of image 'p00295_045_m.jpg'
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Hey, cool!
I do like that background...
(Post looks like it's kinda floating in space because there's no "ground"
anchoring it down.)
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and### [at] btinernet com news:40139967$1@news.povray.org
> I do like that background...
> (Post looks like it's kinda floating in space because there's no "ground"
> anchoring it down.)
Yep, HDRI rulez :)
(background image is not by me)
--
#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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Wow... very pretty!
Fernando
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I like it. I also like the idea of raytraced signes to be able to point
in another direction than straight left or right.
It looks as if some leaves are a couple of millimeters thick. These
leafs are in the shape of the green leaf in front of the pole. I do not
know the english name for the tree but it looks like the one that
may have the latin name of Platanus Acerifolia.
None of the leaves have stalks. I assume that is a result of the way
you generate them.
Rafal 'Raf256' Maj wrote:
> The text's on signs are just some names/topics on conference, image is a
> poster for it.
>
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fcu### [at] yahoocom news:401418f4$1@news.povray.org
> Wow... very pretty!
Thanks, I'm planning to create a bigger project in quite simmilar technick.
--
#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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a_l### [at] hotmailcom news:401### [at] hotmailcom
> I like it. I also like the idea of raytraced signes to be able to
> point in another direction than straight left or right.
Thanks
> It looks as if some leaves are a couple of millimeters thick. These
> leafs are in the shape of the green leaf in front of the pole. I do
> not know the english name for the tree but it looks like the one that
> may have the latin name of Platanus Acerifolia.
Yes, this is an problem with current leafs "implementation", thay are made
as height-fiels, looking from front leaf is :
(C)
-_-_---__-
/ \ (A)
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(B)
so it in fact is thin, but if You look from direction (A) not (B)or(C) then
it looks thick. In nevt version leaf shuld look correctly, like
___--__
/ \
\_--- (a hardly "crushed by wind" leaf)
etc.
> None of the leaves have stalks. I assume that is a result of the way
> you generate them.
Stalks means "talis" ? Yes, I will probably do them separetly as i.e.
cylinder (or sphere sweep/spline)
--
#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
Post a reply to this message
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> Yes, this is an problem with current leafs "implementation", thay are made
> as height-fiels, looking from front leaf is :
> ...
I understand that, and that was one of the reasons why I proposed to
use triangulations. Another was that it might be faster as I use
only a few hundred triangles to get a reasonably accurate shape.
By the way I am now working on a butterfly with control over the
angle of the wings. Another thing I can not do with hightfields
because the wings would expand with increasing angle.
(If you mail me the image of a leaf I can convert it for you
and you can compare the results. If you are reading the news:
on a system that hides my e-mail adress, it is a_linnenbank
in the hotmail domain which I only use for junk but will read
it more frequently in the coming days).
>>None of the leaves have stalks. I assume that is a result of the way
>>you generate them.
>
>
> Stalks means "talis" ? Yes, I will probably do them separetly as i.e.
> cylinder (or sphere sweep/spline)
>
What language is 'talis'? And yes, from your answer I infer that
that is what I meant. Cylinders are not realistic enough and
sphere sweeps are, in my experience, slow. I would say: go for
bicubic patches.
Andrel
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