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638kb is a little harsh for an image of those dimensions, I suggest png or
jpg.
Had I proclivity for math, I would assist with the macro.
My apologies.
ian
Zilvah wrote in message <39d9d080@news.povray.org>...
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Zilvah wrote:
>
> hmm... I know this isn't a help newsgroup, but still....
> I am gonna redesign a computer background for a college, and the high people
> there
> wanted me to use some dots in formation... I wanna do it in 3d, with small
> marbles,
> but I dunno how to make it without a lot of work...
> the best I could think of, was askin ya guys for a little macro help...
> The spheres (marbles) has to be in a similar formation as the image above,
> but I want
> them to look as the where in a tornado (uhm... what I mean is they must have
> different
> coords along the z-axis or whatever)
> is this possible? if so, I would REALLY appreciate if ya guys could show me
> a little macro for it :)
> Thanks!
>
You could probably start with making a grid of spheres using two nested while
loops. The effect in your sample could be achieved by an increased random
displacement and leaving out some position from bottom to top.
BTW, you should consider using jpg for posting pictures here, downloading 600k
can be really boring and you could easily compress this pict. to below 100k.
Please read the guidelines in p.f-a-q.
Christoph
--
Christoph Hormann <chr### [at] gmx de>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/
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As others have said the attachment was way too large for such a simple
image. Please consider canceling your original message both to conserve
server space and to save others having to d/l the image some of us pay
expensive rates for our thelphone connections (not by choice, by geography).
It may be an idea to create a heightfield from an image that you've produced
in a paint package with the dots already in the right places.
--
Cheers
Steve email mailto:ste### [at] zeropps uklinux net
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
4:01pm up 4 days, 18:20, 2 users, load average: 2.03, 2.05, 2.01
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"Zilvah" <zil### [at] online no> wrote in message
news:39d9d080@news.povray.org...
<snip>
Is this the sort of thing you are after?
#include "colors.inc"
camera{location <0,25,-70> look_at y*25}
light_source{0, White translate <10,10,-50>}
sky_sphere{pigment{White}}
#declare R = seed(334523);
#declare y_count = 0.1;
#while (y_count < 50)
#declare z_trans = (y_count/2);
#declare y_rot = rand(R) * 360;
sphere{
y_count*y, 0.5 + rand(R)
pigment{rgb<0.25 + rand(R), 0.25 + rand(R), 0.25 + rand(R)>}
finish{ambient 0.5}
translate z * (z_trans * (1 + rand(R)/5)) rotate y*y_rot
}
#declare y_count = y_count + 0.2;
#end
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"Tom Melly" <tom### [at] tomandlu co uk> wrote :
>
> Is this the sort of thing you are after?
Couldn't help modifying it...
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Attachments:
Download 'Twister.jpg' (10 KB)
Preview of image 'Twister.jpg'
![Twister.jpg](/povray.binaries.images/attachment/%3C39da124b%40news.povray.org%3E/Twister.jpg?ttop=443840&toff=11800&preview=1)
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Christoph Hormann wrote:
> BTW, you should consider using jpg for posting pictures here, downloading 600k
> can be really boring and you could easily compress this pict. to below 100k.
the .bmp is 481078 bytes;
.jpg at 100% is 141264 bytes;
at 80% it's 51653 bytes;
at "0%", below, 10921 bytes.
--
Anton Sherwood -- br0### [at] p0b0x com -- http://ogre.nu/
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Attachments:
Download 'thij0.jpg' (11 KB)
Preview of image 'thij0.jpg'
![thij0.jpg](/povray.binaries.images/attachment/%3C39DABD0E.77187F7B%40pobox.com%3E/thij0.jpg?ttop=443840&toff=11800&preview=1)
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Anton Sherwood wrote:
>
> Christoph Hormann wrote:
> > BTW, you should consider using jpg for posting pictures here, downloading 600k
> > can be really boring and you could easily compress this pict. to below 100k.
>
> the .bmp is 481078 bytes;
> .jpg at 100% is 141264 bytes;
> at 80% it's 51653 bytes;
> at "0%", below, 10921 bytes.
>
Yeah, although your "0%" seems beyond optimum. BTW, the .bmp was more than 600k
due to encoding.
To make it complete, reduced to 4 colors and saved as png i achieved 8348 bytes
and it looks much better than your jpg...
Christoph
--
Christoph Hormann <chr### [at] gmx de>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/
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Good start here.
Grim
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Download 'Vortex.jpg' (8 KB)
Preview of image 'Vortex.jpg'
![Vortex.jpg](/povray.binaries.images/attachment/%3C39daec23%40news.povray.org%3E/Vortex.jpg?ttop=443840&toff=11800&preview=1)
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"Bill DeWitt" <the### [at] earthlink net> wrote in message
news:39da124b@news.povray.org...
> "Tom Melly" <tom### [at] tomandlu co uk> wrote :
> >
> > Is this the sort of thing you are after?
>
> Couldn't help modifying it...
>
Ooo, a sparkly. (another movie quote;)
Is this using glows? (haven't tried 'em yet - I'm partly waiting for the
dust to settle before downloading mp6).
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'The Secret Of NIMH'
Mr. DeWitt,
I'd like the source to that modified image, if its not trouble.
Hi.
I'm Ian, and I'm a sourcecode addict..
Tom Melly wrote in message <39daed53@news.povray.org>...
>Ooo, a sparkly. (another movie quote;)
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