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From: Jaime Vives Piqueres
Subject: toroidal basket
Date: 5 Aug 2002 18:47:02
Message: <3d4f005f@news.povray.org>
Just modelled this basket today for my apples scene. I was fearing a 
complicated modelling task, involving sphere_sweeps and obscure trig, but 
suddenly I figured how to fake it only with tori (well, and some 
cylinders... ;). There are about 1300 torus sections, placed with loops. 
The basket wall was easy, but the top and bottom parts come out by pure 
trial&error, I must confess...

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org


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From: Rafal 'Raf256' Maj
Subject: Re: toroidal basket
Date: 5 Aug 2002 18:59:39
Message: <Xns926298039C04raf256com@204.213.191.226>
Jaime Vives Piqueres <jai### [at] ignoranciaorg> wrote in
news:3d4f005f@news.povray.org 

>   Just modelled this basket today for my apples scene. I was fearing a
> complicated modelling task, involving sphere_sweeps and obscure trig,
> but suddenly I figured how to fake it only with tori (well, and some 
> cylinders... ;). There are about 1300 torus sections, placed with
> loops. The basket wall was easy, but the top and bottom parts come out
> by pure trial&error, I must confess...

nice :)
this is realy complex object imho
I must do to something like this someday, I'm woundering how it will be 
easy (or hard) using isosurface

-- 
#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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From: Gilles Tran
Subject: Re: toroidal basket
Date: 5 Aug 2002 19:17:32
Message: <3d4f078c@news.povray.org>

news: 3d4f005f@news.povray.org...
>
>   Just modelled this basket today for my apples scene. I was fearing a
> complicated modelling task, involving sphere_sweeps and obscure trig, but
> suddenly I figured how to fake it only with tori (well, and some
> cylinders... ;). There are about 1300 torus sections, placed with loops.

Nice ! I think there's one on Chris Colefax's site and I have one by Fabien
Mosen that fits a bottle.
Perhaps we should start a collection of wickerpov objects... Interestingly,
this is the sort of object that is pov only and that really demonstrate the
power of scripting, as it would be very difficult to do it in a GUI/mesh
modeller.
Interesting background too... Are you using your light macros, btw ?

G.


--
**********************
http://www.oyonale.com
**********************
- Graphic experiments
- POV-Ray and Poser computer images
- Posters


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From: Jim Charter
Subject: Re: toroidal basket
Date: 5 Aug 2002 19:43:18
Message: <3D4F0EDA.5040906@aol.com>
Beautiful! Zubaran?

When I tried a similar technique, to make the rattan background for my 
"Spirit of Asia" entry, the render time became unmanageable.


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From: Apache
Subject: Re: toroidal basket
Date: 5 Aug 2002 19:55:07
Message: <3d4f105b$2@news.povray.org>
JVP strikes again....!

Hope he didn't sell his soul to achieve what he's doing....:)


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From: JPGargoyle
Subject: Re: toroidal basket
Date: 5 Aug 2002 20:51:26
Message: <3d4f1d8e@news.povray.org>
Magnificent!

Congratulations. Looks real to me :)


Best regards.


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From: Txemi Jendrix
Subject: Re: toroidal basket
Date: 5 Aug 2002 21:37:49
Message: <3d4f286d@news.povray.org>
Great work Jaime.
(I can't type much more, this is not my house, and
everyone is sleeping. shhh...)

Txemi Jendrix


news:3d4f005f@news.povray.org...
>
>   Just modelled this basket today for my apples scene. I was fearing a
> complicated modelling task, involving sphere_sweeps and obscure trig, but
> suddenly I figured how to fake it only with tori (well, and some
> cylinders... ;). There are about 1300 torus sections, placed with loops.
> The basket wall was easy, but the top and bottom parts come out by pure
> trial&error, I must confess...
>
> --
> Jaime Vives Piqueres
>
> La Persistencia de la Ignorancia
> http://www.ignorancia.org
>
>


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From: Rafal 'Raf256' Maj
Subject: Re: toroidal basket
Date: 5 Aug 2002 22:05:57
Message: <Xns92622915C3F00raf256com@204.213.191.226>
"Txemi Jendrix" <tji### [at] euskalnetnet> wrote in
news:3d4f286d@news.povray.org 

> Great work Jaime.
> (I can't type much more, this is not my house, and
> everyone is sleeping. shhh...)

not every one - I'm still writting my isosurface optimization test scene :)

-- 
#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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From: Jaime Vives Piqueres
Subject: Re: toroidal basket
Date: 6 Aug 2002 03:39:23
Message: <3d4f7d2a@news.povray.org>
Rafal 'Raf256' Maj wrote:
> I must do to something like this someday, I'm woundering how it will be
> easy (or hard) using isosurface

  I must admit that was my first tought, but my apples scene is slow enough
without isos.. :) 

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org


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From: Jaime Vives Piqueres
Subject: Re: toroidal basket
Date: 6 Aug 2002 03:48:04
Message: <3d4f7f34@news.povray.org>
Gilles Tran wrote:
> Nice ! I think there's one on Chris Colefax's site and I have one by
> Fabien Mosen that fits a bottle.

  Yes, I remember these now. The one from Fabien is really nice, if I 
remember well. 

> Interesting background too... 

  It's a very thin height_field with a standard stone texture scaled down 
on the HF height direction. This way the HF shows different parts of the 
texture depending on the height, sowhing very interesting patterns. The 
wood uses the same trick.

> Are you using your light macros, btw ?

  Always. I can't remember when I worte my last "light_source" sentence 
directly... :) Seriously, it is very handy for me, mainly because I can 
adjust the overall lighting with two control variables.

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org


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