POV-Ray : Newsgroups : povray.unofficial.patches : Re: reflective twisted sphere over checkered plane Server Time
1 Nov 2024 09:19:36 EDT (-0400)
  Re: reflective twisted sphere over checkered plane (Message 1 to 5 of 5)  
From: Jérôme Grimbert
Subject: Re: reflective twisted sphere over checkered plane
Date: 23 Jan 2001 03:27:25
Message: <3A6D407A.7AA60D17@atosorigin.com>
Wlodzimierz ABX Skiba wrote:
> 
> for Jerome Grimbert according to discussion at p.u-p
> 
> sphere {  0.0, 1
>   translate x*1.5
>   deform { twist -4 }
>   translate z*2
>   translate -x*1.25
> }
> 
> reflection and shadow created by deformed sphere
> 

The 'top' pattern of the sphere is strange: I would have expected to see
the sky.
It seems that you have a line of discontinuity on the picture
going from the top left to the bottom right.

Could you put a mirror behind (3/4) the twisted sphere ?
(When I talked about the reflection, it was reflection OF the object,
not ON the object, sorry for the misunderstanding).


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From: Wlodzimierz ABX Skiba
Subject: Re: reflective twisted sphere over checkered plane
Date: 23 Jan 2001 03:38:58
Message: <3a6d4322@news.povray.org>

> The 'top' pattern of the sphere is strange: I would have expected to see
> the sky.

This is me. I have modified default scene with default camera
center of sphere is 0 but location of camera has 0.5 as y

> It seems that you have a line of discontinuity on the picture
> going from the top left to the bottom right.

I'm not sure it is is line of discontinuity.
I have meet some strange results on some images
but always when I parsed them with trace() and puted cylinders along normals
everything appears ok.
The main problem with this misunderstand belongs to twisting.

> Could you put a mirror behind (3/4) the twisted sphere ?

sure

ABX


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From: Wlodzimierz ABX Skiba
Subject: Re: reflective twisted sphere over checkered plane
Date: 24 Jan 2001 13:11:13
Message: <3a6f1ac1@news.povray.org>

> Could you put a mirror behind (3/4) the twisted sphere ?

animation just sended to p.b.a
what next example you want ?

ABX


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From: Jérôme Grimbert
Subject: Re: reflective twisted sphere over checkered plane
Date: 25 Jan 2001 04:21:19
Message: <3A6FF020.E2CB814A@atosorigin.com>
Wlodzimierz ABX Skiba wrote:
> 

> > Could you put a mirror behind (3/4) the twisted sphere ?
> 
> animation just sended to p.b.a
> what next example you want ?
> 
Congratulations!!


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From: Wlodzimierz ABX Skiba
Subject: Re: reflective twisted sphere over checkered plane
Date: 25 Jan 2001 05:18:05
Message: <3a6ffd5d@news.povray.org>

> > > Could you put a mirror behind (3/4) the twisted sphere ?
> >
> > animation just sended to p.b.a
> > what next example you want ?
>
> Congratulations!!

Thank you. We had very creative discussion.

btw: there will be another animation in p.b.a today or tomorrow.

ABX


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