POV-Ray : Newsgroups : povray.binaries.images : Isosurfac and Matmod. Server Time
8 Jan 2025 00:04:58 EST (-0500)
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From: Tor Olav Kristensen
Subject: Re: Isosurfac and Matmod.
Date: 28 Dec 2024 09:50:00
Message: <web.67700f38e02b1099d209902e89db30a9@news.povray.org>
"Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
> kurtz le pirate <kur### [at] freefr> wrote:
> > On 26/12/2024 17:58, jr wrote:
> > > hi,
> >
> > > and I can't stop looking at it.  thanks.  [insert superlatives here] :-).  since
> > > you, with the "maths" and all did find it difficult to achieve, there'd be .. no
> > > hope for me, anyway, so, would you consider making the code/object public ?
> >
> > The code ? Yes, of course !
> >
> > The source is attached to this post.
> > Have fun ;)
>
> I've now modified this file so that it runs a bit faster.
> See the attached SDL file.

Here it is again. This time with Kurtz name spelled correctly. Sorry about that.
There's also some other minor changes.

--
Tor Olav
http://subcube.com
https://github.com/t-o-k


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Attachments:
Download 'prettyball_1_at_klp_tok.pov.txt' (4 KB)

From: jr
Subject: Re: Isosurfac and Matmod.
Date: 29 Dec 2024 07:30:00
Message: <web.67714094e02b1099b2e841a6cde94f1@news.povray.org>
hi,

"Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
> ...
> > > The code ? Yes, of course !
> > > The source is attached to this post.
> > > Have fun ;)
> >
> > I've now modified this file so that it runs a bit faster.
> > See the attached SDL file.
>
> Here it is again. This time with Kurtz name spelled correctly. Sorry about that.
> There's also some other minor changes.

thanks, will you post code for the "candy-stripe" version too ?  tia.


regards, jr.


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From: Tor Olav Kristensen
Subject: Re: Isosurfac and Matmod.
Date: 29 Dec 2024 16:15:00
Message: <web.6771baa9e02b1099d209902e89db30a9@news.povray.org>
kurtz le pirate <kur### [at] freefr> wrote:
>...
>    _      ____  _        _
>   | |    / __ \| |      | |
>   | |   | |  | | |      | |
>   | |   | |  | | |      | |
>   | |___| |__| | |____  |_|
>   |______\____/|______| (_)
>
>
>
> I made a mistake and uploaded the wrong file.
> I now put the code for "MeshTorus".
>...

Attached is my rewritten version.

--
Tor Olav
http://subcube.com
https://github.com/t-o-k


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Attachments:
Download 'meshtorus_at_klp_tok.pov.txt' (6 KB)

From: Tor Olav Kristensen
Subject: Re: Isosurfac and Matmod.
Date: 29 Dec 2024 22:35:00
Message: <web.6772146ae02b1099d209902e89db30a9@news.povray.org>
"jr" <cre### [at] gmailcom> wrote:
> hi,
>
> "Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
> > ...
> > > > The code ? Yes, of course !
> > > > The source is attached to this post.
> > > > Have fun ;)
> > >
> > > I've now modified this file so that it runs a bit faster.
> > > See the attached SDL file.
> >
> > Here it is again. This time with Kurtz name spelled correctly. Sorry about that.
> > There's also some other minor changes.
>
> thanks, will you post code for the "candy-stripe" version too ?  tia.

See my recent post to povray.binaries.scene-files.

--
Tor Olav
http://subcube.com
https://github.com/t-o-k


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From: kurtz le pirate
Subject: Re: Isosurfac and Matmod.
Date: 30 Dec 2024 04:11:52
Message: <677263d8@news.povray.org>
On 28/12/2024 15:34, Tor Olav Kristensen wrote:

> 
> I've now modified this file so that it runs a bit faster.

A bit ?

Indeed, it's three times faster. Really impressive.

Bravo



-- 
kurtz le pirate
compagnie de la banquise


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From: kurtz le pirate
Subject: Re: Isosurfac and Matmod.
Date: 30 Dec 2024 04:20:32
Message: <677265e0@news.povray.org>
On 29/12/2024 22:10, Tor Olav Kristensen wrote:

> Attached is my rewritten version.

Also three times faster.

But, why this declaration : #declare tau = 2*pi; ?



-- 
kurtz le pirate
compagnie de la banquise


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From: jr
Subject: Re: Isosurfac and Matmod.
Date: 30 Dec 2024 10:30:00
Message: <web.6772bbe2e02b1099b2e841a6cde94f1@news.povray.org>
hi,

kurtz le pirate <kur### [at] freefr> wrote:
> On 28/12/2024 15:34, Tor Olav Kristensen wrote:
> > I've now modified this file so that it runs a bit faster.
> A bit ?
> Indeed, it's three times faster. Really impressive.

looking at the 'prettyball' image, the object's three "components", has me
wonder (naively) if that is a 3D version of the "triply periodic minimal
surface" patterns that Bald Eagle played with some months ago.  is the
prettyball "related" ?


again, thank you, both.


regards, jr.


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From: Kenneth
Subject: Re: Isosurfac and Matmod.
Date: 1 Jan 2025 02:05:00
Message: <web.6774e810e02b1099e83955656e066e29@news.povray.org>
kurtz le pirate <kur### [at] freefr> wrote:
> On 29/12/2024 22:10, Tor Olav Kristensen wrote:
>
> But, why this declaration : #declare tau = 2*pi; ?
>
I noticed that too. It is probably there for v3.7 users; the 3.8 betas now have
a built-in 'tau' keyword.


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From: Tor Olav Kristensen
Subject: Re: Isosurfac and Matmod.
Date: 1 Jan 2025 10:40:00
Message: <web.6775612ee02b1099bd85c84389db30a9@news.povray.org>
"Kenneth" <kdw### [at] gmailcom> wrote:
> kurtz le pirate <kur### [at] freefr> wrote:
> > On 29/12/2024 22:10, Tor Olav Kristensen wrote:
> >
> > But, why this declaration : #declare tau = 2*pi; ?
> >
> I noticed that too. It is probably there for v3.7 users; the 3.8 betas now have
> a built-in 'tau' keyword.

Yes, that's why. I'm still at v3.7.

--
Tor Olav
http://subcube.com
https://github.com/t-o-k


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