POV-Ray : Newsgroups : povray.general : Wanted: Elastic Gel Chair Server Time
1 Aug 2024 04:16:21 EDT (-0400)
  Wanted: Elastic Gel Chair (Message 1 to 4 of 4)  
From: Sven Littkowski
Subject: Wanted: Elastic Gel Chair
Date: 13 May 2006 23:02:04
Message: <44669dac$1@news.povray.org>
Greetings.

I am in need of agel-alike elastic, couchy chair or seat. Seen from each 
side, it should have a rectanglish shape, like a rectangle touching with its 
small side the ground. The shape should have round corners.

Who can help me?


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From: POVMAN
Subject: Re: Wanted: Elastic Gel Chair
Date: 15 May 2006 08:41:39
Message: <44687703@news.povray.org>
> Who can help me?

Have you tried Rex Cramer?  ;-)    [ Oh man, that reference is just so 
80's ]


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From: Sven Littkowski
Subject: Povman
Date: 15 May 2006 12:40:59
Message: <4468af1b$1@news.povray.org>
Ehh... Who or what is Rex Cramer? Is it a render artist? Or a designer? And 
since I am not English by birth, I am not sure what the attribute "80's" 
means for a reference. Can you give me more information, Povman?

Thanks,

Sven



"POVMAN" <s### [at] acom> schrieb im Newsbeitrag news:44687703@news.povray.org...
> Have you tried Rex Cramer?  ;-) [ Oh man, that reference is just so 80's ]


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From: Bob H
Subject: Re: Wanted: Elastic Gel Chair
Date: 15 May 2006 14:37:01
Message: <4468ca4d$1@news.povray.org>
"Sven Littkowski" <sve### [at] jamaica-focuscom> wrote in message 
news:44669dac$1@news.povray.org...
>
> I am in need of agel-alike elastic, couchy chair or seat. Seen from each 
> side, it should have a rectanglish shape, like a rectangle touching with 
> its small side the ground. The shape should have round corners.

You might be able to get something about the way you need it to be by using 
blob having some negative strength (invisible) parts to shape a positive 
strength sphere or cylinder piece, effectively framing it in and molding it 
to that shape.

superellipsoid might be useful, too, as could be bicubic_patch, but if you 
could try blob anyway to see if that would work okay.

Little example code, no need for camera:

#declare SeatCushion=
blob {
    threshold 0.4
    sphere {0,1,1}
    sphere {-1*x,1,-1}
    sphere {1*x,1,-1}
    sphere {-1*y,1,-1}
    sphere {1*y,1,-1}
    sphere {-1*z,1,-1}
    sphere {1*z,1,-1}
    pigment {rgb 1}
    scale <2,2,0.5>
}

union {
object {SeatCushion}
object {SeatCushion rotate 90*x translate <0,-1,-1>}
rotate 45*y translate <0.5,0.25,3.5>
}

light_source {<9,9,-9>,1}


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