POV-Ray: Newsgroups: povray.binaries.images: fun with function-pigment (31214+21948 bbu)

POV-Ray : Newsgroups : povray.binaries.images : fun with function-pigment (31214+21948 bbu)		Server Time 19 Aug 2024 04:21:50 EDT (-0400)

From: Anton Sherwood
Subject: fun with function-pigment (31214+21948 bbu)
Date: 22 Jan 2001 01:05:51
Message: <3A6BCFB5.AA7EE2E7@pobox.com>

-- 
Anton Sherwood  --  br0### [at] p0b0xcom  --  http://ogre.nu/

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From: Remco de Korte
Subject: Re: fun with function-pigment (31214+21948 bbu)
Date: 22 Jan 2001 10:57:27
Message: <3A6C5788.FF64CA47@onwijs.com>

Ooo, it's a time machine...
Is this hard to do? Code?

Remco

Anton Sherwood wrote:
> 
> --
> Anton Sherwood  --  br0### [at] p0b0xcom  --  http://ogre.nu/
> 
>   --------------------------------------------------------------------------------
>  [Image]  [Image]

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From: Anton Sherwood
Subject: Re: fun with function-pigment (31214+21948 bbu)
Date: 23 Jan 2001 01:31:24
Message: <3A6D274D.B66DCB41@pobox.com>

Remco de Korte wrote:
> Ooo, it's a time machine...
> Is this hard to do? Code?

#declare F1 = function { (3*x+4*y + 2*sin(4*x-3*y)) }

and then the pigments shown are

	pigment { function { sin(F1) * exp(A*x) }}

	pigment { function { 0.5 - B*cos(F1)/exp(A*(3*x+4*y)^2) }}

for some forgotten values of A,B.


-- 
Anton Sherwood  --  br0### [at] p0b0xcom  --  http://ogre.nu/

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