JRG wrote:
> 
> I shall not use radiosity: I didn't manage to solve the truble about the
> sphere_sweeps (probably a bug, but nobody answered me).

I'm quite sure if you'd post a small sample showing this behavior someone
will investigate in that.

> I'm looking for new handwrinting fonts just now, so the wrinting on the desk
> should be fine next time.
> About the ambient finish enigma: I discovered that when I added the dirt
> layer to a texture, moving the finish block (with ambient 0) to the upper
> layer, the lower layers looked like they had the default ambient 0.1 . IMHO
> it makes no sense the finish block in lower layers... Anyway, I set ambient
> 0 by default to avoid this problem.
> 
> Comments are welcome.
> 

It looks good with the darker desk, but don't add too many more objects,
IMO the blue screwdriver should be omitted.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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Very nice.  I like getting lost in the image.

I have used a trick of creating the writing as a height field.  Simply
create the height field by making a painting via the mouse (or scanning
writing you have made) to a TGA image.  Use a difference (usually a box) to
remove the bottom flat section of the height field and you have a 3D text
object that looks as sloppy as you like.  It seems to render faster than
text does.


"JRG" <jrg### [at] hotmailcom> wrote in message
news:3b30f329@news.povray.org...
> I shall not use radiosity: I didn't manage to solve the truble about the
> sphere_sweeps (probably a bug, but nobody answered me).
> I'm looking for new handwrinting fonts just now, so the wrinting on the
desk
> should be fine next time.
> About the ambient finish enigma: I discovered that when I added the dirt
> layer to a texture, moving the finish block (with ambient 0) to the upper
> layer, the lower layers looked like they had the default ambient 0.1 .
IMHO
> it makes no sense the finish block in lower layers... Anyway, I set
ambient
> 0 by default to avoid this problem.
>
> Comments are welcome.
>
> Jonathan.
>
>
>
>
>
>
>

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Patrick Dugan wrote:

> Use a difference (usually a box) to remove the bottom flat section of the
> height field

... or just give a water_level > 0

G.
--

**********************
http://www.oyonale.com
**********************
Graphic experiments
Pov-ray gallery

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I posted the buggy radiosity image last week. Have a look to the "take 6"
thread.

Jonathan.

"Christoph Hormann" <chr### [at] gmxde> ha scritto nel messaggio
news:3B312565.202C2132@gmx.de...
>
>
> JRG wrote:
> >
> > I shall not use radiosity: I didn't manage to solve the truble about the
> > sphere_sweeps (probably a bug, but nobody answered me).
>
> I'm quite sure if you'd post a small sample showing this behavior someone
> will investigate in that.
>
> > I'm looking for new handwrinting fonts just now, so the wrinting on the
desk
> > should be fine next time.
> > About the ambient finish enigma: I discovered that when I added the dirt
> > layer to a texture, moving the finish block (with ambient 0) to the
upper
> > layer, the lower layers looked like they had the default ambient 0.1 .
IMHO
> > it makes no sense the finish block in lower layers... Anyway, I set
ambient
> > 0 by default to avoid this problem.
> >
> > Comments are welcome.
> >
>
> It looks good with the darker desk, but don't add too many more objects,
> IMO the blue screwdriver should be omitted.
>
> Christoph
>
> --
> Christoph Hormann <chr### [at] gmxde>
> IsoWood include, radiosity tutorial, TransSkin and other
> things on: http://www.schunter.etc.tu-bs.de/~chris/

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JRG wrote:
> 
> I posted the buggy radiosity image last week. Have a look to the "take 6"
> thread.
> 

I of course meant a scene file showing the bug, as simple as possible of
course (no need to use the whole IRTC scene).

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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better and better... I just want something in there
that really highlights and brings out the mechanixcal
spider- I mean gives the metal a chance to shine and
reflect- the shadows are too deep near it and the
contrast a little too stark (IMHO).

This one is shaping up to place at the very least.

-Peter
-- 
http://www.users.qwest.net/~dearmad
But why bother?  I'm not interesting.

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JRG wrote:
> I shall not use radiosity:

Sad :-(.

> Comments are welcome.

The image and its amount of details is incredible. OTOH, with such large
number of objects, there is always some details to correct. My list of
things that could possibly be ignored comes here:

-The lamp does not like bright enough. I think the tube should be just
plain white - now it has some shadows.
-The monitor does not cast any light. I think normal CRT in dark room
illuminates quite much, altought the picture in it is quite dark.
-Papers look too much like simple crackle pattern to my pov'er eyes.
-Wood textures are continuous between boards.

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You meant something like this?

//--------------

#version unofficial megapov 0.7;

global_settings {
ambient_light 0
radiosity {}
ini_option "+qr"
}

box {-1,1
scale 12
pigment {rgb 1}}

light_source {
<0,0,0>
rgb 0.7}

#declare oggetto=0;  // 0 sphere_sweep, 1 torus

#if (!oggetto)
sphere_sweep {
catmull_rom_spline_sphere_sweep
6,
<1,0,0>,.1
<0,0,1>,.1
<-1,0,0>,.1
<0,0,-1>,.1
<1,0,0>,.1
<0,0,1>,.1
pigment {rgb x+y}
scale 2
translate -y}    //if you close the spline the effect is reduced...

#else

torus {1,0.1
pigment {rgb x+y}
scale 2
translate -y}

#end

camera {location <0,0,-5> look_at 0}

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> Only question I have is where the scope signal is coming from -
> the spider?
> Regards,  Sander

Well, yeah, it should (through the data interface, or whatever it's called
in English...)

Cheers,
Jonathan

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JRG wrote:
> 
> You meant something like this?
> 
> [...]
> 

Yes, that's very good.  

It indeed looks like a bug to me, there is an easy workaround, just add
another object to the scene like:

plane {y,-100 }

I'm of course in doubt if this also works in your complete scene but in
this small sample it generally seems to work.

Another method to fix it for your scene would be to use Chris Colefax's
spline include file and not the sphere_sweep.

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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