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13 Nov 2024 17:45:19 EST (-0500)
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From: Alex Kluchikov
Subject: Checkered plane under reflective sphere (~80KB jpeg)
Date: 12 May 2004 05:24:42
Message: <40a1ed5a@news.povray.org>
Hm... Don't I have an imagination? There are a great deal, a MEGA lot of
reflective spheres on checkered planes here! But I can not keep myself off
posting another one. :)
  Now some words about the scene. The sphere is just a sphere and the plane
is just plane. 3 slightly colored lights and environment sphere are common
for all scenes I made.
  The real trick is plane texture. I found out a way to create checker bump.
It is multiplication of 2 perpendicular sines (sin(x)*sin(z)), powered and
normalized into range of (0, 1). This pattern looks like blurred checker and
appears to be very suitable for bumping. If you want more detailed
description, I'll post the source.
  I'll be glad to receive comments.
  By the way, I'm going to move to another city, Kiev, about 1000 km far
from mine. I was suggested to become a game developer. I Hope, I will find
time to create scenes and to post them here. Wish me good luck, please.
  Sincerely Yours,
  Alex Kluchikov.


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Attachments:
Download 't23e81.jpg' (79 KB)

Preview of image 't23e81.jpg'
t23e81.jpg


 

From: Marc Jacquier
Subject: Re: Checkered plane under reflective sphere (~80KB jpeg)
Date: 12 May 2004 06:42:33
Message: <40a1ff99@news.povray.org>

40a1ed5a@news.povray.org...
>   The real trick is plane texture. I found out a way to create checker
bump.
> It is multiplication of 2 perpendicular sines (sin(x)*sin(z)), powered and
> normalized into range of (0, 1). This pattern looks like blurred checker
and
> appears to be very suitable for bumping. If you want more detailed
> description, I'll post the source.

Yes please post it
>   I'll be glad to receive comments.
>   By the way, I'm going to move to another city, Kiev, about 1000 km far
> from mine. I was suggested to become a game developer. I Hope, I will find
> time to create scenes and to post them here. Wish me good luck, please.

Sincerely good luck
you aren't in Ukrain already are you?

Marc


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From: Alex Kluchikov
Subject: Re: Checkered plane under reflective sphere (~80KB jpeg)
Date: 12 May 2004 07:20:01
Message: <web.40a207ac64c3103b9f39ec720@news.povray.org>
"Marc Jacquier" <jac### [at] wanadoofr> wrote:
> Yes please post it
 As soon, as I prepare it. There is some useless code in the source it would
be better to delete. I'll post it into povray.text.scene-files in 1-2
hours.
> Sincerely good luck
 Thank you.
> you aren't in Ukrain already are you?
 Shame on me. I'vt mistaken. My city, Zaporozhje (or Zaporijja in Ukrainian
spelling) is only about 660 km far from Kiev, not 1000. How do you know
geography of my country better than me?
> Marc

Sincerely Yours,
Alex  Kluchikov.


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From: William Pokorny
Subject: Re: Checkered plane under reflective sphere (~80KB jpeg)
Date: 12 May 2004 07:55:00
Message: <web.40a20f4764c3103b3ab7ae140@news.povray.org>
Looks great!

Thank you Alex for all your contributions to date - I have put them all in
my pov-ray bag of tricks. Best of luck with your new job and I hope you
continue to find some time for pov-ray!
Best regards, Bill P.


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From: Marc Jacquier
Subject: Re: Checkered plane under reflective sphere (~80KB jpeg)
Date: 12 May 2004 15:40:49
Message: <40a27dc1@news.povray.org>

web.40a207ac64c3103b9f39ec720@news.povray.org...
. I'll post it into povray.text.scene-files in 1-2
> hours.

Cool :)

>  Shame on me. I'vt mistaken. My city, Zaporozhje (or Zaporijja in
Ukrainian
> spelling) is only about 660 km far from Kiev, not 1000. How do you know
> geography of my country better than me?

LOL I don't actually know it
but as I have a friend from Odessa, I was interested in your location
then I had a look at a map and didn't find any area as far as 1000km from
Kiev in Ukrain :-)

Marc


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From: Martin Belair
Subject: Re: Checkered plane under reflective sphere (~80KB jpeg)
Date: 12 May 2004 15:49:40
Message: <Xns94E7A08749C45badhabit07hotmaildot@203.29.75.35>
"Alex Kluchikov" <klk### [at] ukrnet> wrote in news:40a1ed5a@news.povray.org:

Well, once again Alex, your image is great. 

I wish you good luck with your new job. I hope you will still be able to 
visit us in this news server.

Ciao!

Mart


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From: Dan P
Subject: Re: Checkered plane under reflective sphere (~80KB jpeg)
Date: 12 May 2004 18:56:07
Message: <40a2ab87@news.povray.org>
Alex Kluchikov wrote:

>   Hm... Don't I have an imagination? There are a great deal, a MEGA lot of
> reflective spheres on checkered planes here! But I can not keep myself off
> posting another one. :)
>   Now some words about the scene. The sphere is just a sphere and the plane
> is just plane. 3 slightly colored lights and environment sphere are common
> for all scenes I made.
>   The real trick is plane texture. I found out a way to create checker bump.
> It is multiplication of 2 perpendicular sines (sin(x)*sin(z)), powered and
> normalized into range of (0, 1). This pattern looks like blurred checker and
> appears to be very suitable for bumping. If you want more detailed
> description, I'll post the source.
>   I'll be glad to receive comments.
>   By the way, I'm going to move to another city, Kiev, about 1000 km far
> from mine. I was suggested to become a game developer. I Hope, I will find
> time to create scenes and to post them here. Wish me good luck, please.
>   Sincerely Yours,
>   Alex Kluchikov.

It's the nicest sphere-on-reflective-plane image I've ever seen, anyway :-)
-- 
Respectfully,          "Leave it to the coward to make a religion
Dan P            of his cowardice by preaching humility."
                                    - George Bernard Shaw
http://<broken link>


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From: John VanSickle
Subject: Re: Checkered plane under reflective sphere (~80KB jpeg)
Date: 12 May 2004 19:40:23
Message: <40A2B5E0.1C9640BE@hotmail.com>
Alex Kluchikov wrote:
> 
>   Hm... Don't I have an imagination? There are a great deal, a MEGA lot of
> reflective spheres on checkered planes here! But I can not keep myself off
> posting another one. :)
>   Now some words about the scene. The sphere is just a sphere and the plane
> is just plane. 3 slightly colored lights and environment sphere are common
> for all scenes I made.
>   The real trick is plane texture. I found out a way to create checker bump.
> It is multiplication of 2 perpendicular sines (sin(x)*sin(z)), powered and
> normalized into range of (0, 1). This pattern looks like blurred checker and
> appears to be very suitable for bumping. If you want more detailed
> description, I'll post the source.

If you look carefully, you'll see that the "tiles" appear shallow when viewed
at an angle, but deeper when viewed are a more direct angle.  Other than that,
it's a great effect.

Regards,
John


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From: Marneus Calgar
Subject: Re: Checkered plane under reflective sphere (~80KB jpeg)
Date: 13 May 2004 04:10:33
Message: <40a32d79@news.povray.org>
Greaaatttttttttt: !!!!!!!!!!

-- 

Dark Skull Software
http://www.darkskull.net


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From: Alf Peake
Subject: Re: Checkered plane under reflective sphere (~80KB jpeg)
Date: 13 May 2004 06:41:16
Message: <40a350cc@news.povray.org>
I love that plane

Alf


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