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I think it is not "fudging". Ambient should be almost zero in
space because there is no atmosphere. Ambient is actually
a fudge itself, if I understand it correctly (and that is likely not
the case), it is sort of a poor approximation of global lighting.
In the case of space there ought not be any.
Harold
"Arthur Flint" <mra### [at] chesapeake net> wrote in message
news:Xns### [at] 204213191226...
> This is just another case of reality not looking good. So some "fudging"
is
> required to make the ship look better.
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"Harold Baize" <bai### [at] itsaucsfedu> wrote in message
news:3bcb290f$1@news.povray.org...
>
> I think it is not "fudging". Ambient should be almost zero in
> space because there is no atmosphere. Ambient is actually
> a fudge itself, if I understand it correctly (and that is likely not
> the case), it is sort of a poor approximation of global lighting.
> In the case of space there ought not be any.
Reflected light would exist though even if no ambient light, although we
don't know if a bright moon is behind the camera.
Bob H.
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I think you missed the point. The real world of space is not
filled with good images: too many harsh shadows,too much contrast.
To make a picture that we might think of as pleasing, we have to
use unreal situations. So the use of ambient >0 is not a reflection
of true conditions in space, but helps to set the mood for the image.
Call it artistic licence, call it setting the tone, cal it romanticizing
space, it is as the artist wanted.
"Harold Baize" <bai### [at] itsaucsfedu> wrote in
news:3bcb290f$1@news.povray.org:
>
> I think it is not "fudging". Ambient should be almost zero in
> space because there is no atmosphere. Ambient is actually
> a fudge itself, if I understand it correctly (and that is likely not
> the case), it is sort of a poor approximation of global lighting.
> In the case of space there ought not be any.
>
> Harold
>
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Reminds me of a boomerang..
Very nice modeling-textures-etc.
And no, I'm not going to ask for the source :-)
--
//Mahalis
camera{location<0,0.25,-2> look_at 0.5*y} #declare T=texture{pigment{crackle
scale 0.5 rotate 90 turbulence 0.75 color_map{[0 rgb 1][0.05 rgb 1][0.1
rgb<1,0.25,1>][0.25 rgbf 1][1 rgbf 1]}} finish{ambient 1}} #declare
c=difference{torus{0.5,0.1 rotate -90*x}box{<0.7,0,0.2>,<-0.7,-0.7,-0.2>}}
merge{object{c translate<0.5,0.5,0>} object{c translate<-0.5,0.5,0>}
cylinder{<1,0.5,0>,<1,0,0>,0.1} cylinder{<-1,0.5,0>,<-1,0,0>,0.1}
cylinder{0.5*y,0,0.1} texture{T}}
--
"Gail Shaw" <gsh### [at] monotixcoza> wrote in message
news:3bcac8a2@news.povray.org...
> The ship's a Rhino model that I've been modelling on and off for a few
> months.
> finished it last week and spend most of the weekend getting the uv-mapping
> correct.
>
> Planet is a modified venus map from nasa, nebula is from Chris Colefax's
> galaxy include
>
> Still need to model the opposing side's ships.
>
> Comments?
>
> Gail
> --
> *************************************************************************
> * gsh### [at] monotixcoza * Step into the abyss, *
> * http://www.rucus.ru.ac.za/~gail/ * and let go. Babylon 5 *
> *************************************************************************
> * Just think of me as the storm before the calm Magic: The Gathering*
> *************************************************************************
>
>
>
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Oh, I misunderstood your post. I thought you were saying
that zero ambient was fudging, but you were actually saying
>0 is fudging. Sorry.
HB
"Arthur Flint" <mra### [at] chesapeakenet> wrote in message
news:Xns### [at] 204213191226...
> I think you missed the point. The real world of space is not
> filled with good images: too many harsh shadows,too much contrast.
> To make a picture that we might think of as pleasing, we have to
> use unreal situations. So the use of ambient >0 is not a reflection
> of true conditions in space, but helps to set the mood for the image.
> Call it artistic licence, call it setting the tone, cal it romanticizing
> space, it is as the artist wanted.
>
> "Harold Baize" <bai### [at] itsaucsfedu> wrote in
> news:3bcb290f$1@news.povray.org:
>
> >
> > I think it is not "fudging". Ambient should be almost zero in
> > space because there is no atmosphere. Ambient is actually
> > a fudge itself, if I understand it correctly (and that is likely not
> > the case), it is sort of a poor approximation of global lighting.
> > In the case of space there ought not be any.
> >
> > Harold
> >
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"Harold Baize" <bai### [at] itsaucsfedu> wrote in message
news:3bcb1898$1@news.povray.org...
>
> Very nice. Excellent ships, remind me of 1960's comic book
> starships. Rhino is so good for smooth curved surfaces.
I love Rhino
> One thing
> though, the ships being upside down almost makes me dizzy :-)
>
<g> They're not.
Gail
--
*************************************************************************
* gsh### [at] monotixcoza * Step into the abyss, *
* http://www.rucus.ru.ac.za/~gail/ * and let go. Babylon 5 *
*************************************************************************
* Just think of me as the storm before the calm Magic: The Gathering*
*************************************************************************
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"Mahalis" <don### [at] fakeycom> wrote in message
news:3bcb6e47@news.povray.org...
> Reminds me of a boomerang..
> Very nice modeling-textures-etc.
thanks
> And no, I'm not going to ask for the source :-)
The texture on the ships is procedural, it's just
a crackle texture_map with three diferent metals.
The mesh for the ship is 26 MB
Gail
--
*************************************************************************
* gsh### [at] monotixcoza * Step into the abyss, *
* http://www.rucus.ru.ac.za/~gail/ * and let go. Babylon 5 *
*************************************************************************
* Just think of me as the storm before the calm Magic: The Gathering*
*************************************************************************
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"Gail Shaw" <gsh### [at] monotixcoza> wrote in message
news:3bcbda33@news.povray.org...
>
> "Harold Baize" <bai### [at] itsaucsfedu> wrote in message
> news:3bcb1898$1@news.povray.org...
> >
> > Very nice. Excellent ships, remind me of 1960's comic book
> > starships. Rhino is so good for smooth curved surfaces.
>
> I love Rhino
>
> > One thing
> > though, the ships being upside down almost makes me dizzy :-)
> >
>
> <g> They're not.
>
Which is why they're so cool...
- Nekar
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.282 / Virus Database: 150 - Release Date: 2001/09/25
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"Gail Shaw" <gsh### [at] monotixcoza> wrote in message
news:3bcbda36@news.povray.org...
>
> "Mahalis" <don### [at] fakeycom> wrote in message
> news:3bcb6e47@news.povray.org...
> > Reminds me of a boomerang..
> > Very nice modeling-textures-etc.
>
> thanks
>
> > And no, I'm not going to ask for the source :-)
>
> The texture on the ships is procedural, it's just
> a crackle texture_map with three diferent metals.
>
> The mesh for the ship is 26 MB
>
And with blobs it would have been more like 26 Kb... ;->
- Nekar
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.282 / Virus Database: 150 - Release Date: 2001/09/25
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From: Gail Shaw
Subject: Re: Tri-fighters on patrol - brightness correction (45kbu)
Date: 17 Oct 2001 02:04:42
Message: <3bcd1f7a@news.povray.org>
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Not re-rendered, just adjusted in PSP. I think it looks a lot better now
Gail
--
*************************************************************************
* gsh### [at] monotixcoza * Step into the abyss, *
* http://www.rucus.ru.ac.za/~gail/ * and let go. Babylon 5 *
*************************************************************************
* Just think of me as the storm before the calm Magic: The Gathering*
*************************************************************************
Post a reply to this message
Attachments:
Download 'ship2.jpg' (45 KB)
Preview of image 'ship2.jpg'
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