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I have been using povray for a few years, and I came across this
newsgroup earlier this year. I have been re-rendering some of my older
scenes to use 3.5's new features such as radiosity and photons, but this
image was so reworked that its's basically new. I started it one night last
week, and then forgot about it for a few days (Hey, I'm fairly new to the
overnight render thing). When I checked on it, it was 2/3rds done, and had
had an error and quit. I rendered the bottom portion and matched them up,
with the total rendering time for an 800 by 600 image being about three days
on an Athlon 1.5 ghz with 256 mb ram. I want it bigger! Oh well. How do
you like it?
-Ben Scheele
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Attachments:
Download 'Crystal Ball.jpg' (78 KB)
Preview of image 'Crystal Ball.jpg'
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I made a crystal ball scene with POV-Ray 3.1 which used media inside it (and
was a little related to Harry Potter). Took ages to render, nothing like 3
days though. I'd post it here, except the web interface doesn't support
attatchments (hurry up admins!) and I can't access the regular news group
from uni.
I hate really slow renders. :-( I think anything longer than 5 minutes is
too slow (my slowest render so far was 1.5 hours, and that had a very large
max_trace_level).
Rohan _e_ii
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It looks much like those abstract images my younger brother
tends to make (he's actually turning 18 in a few days...),
and I kinda like it, though those kind of pictures aren't
really my taste...
I think its all too... Well, clean, and kinda sharp in edges.
But keep it up!
Tim
--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmx de
"Ben Scheele" <sch### [at] tcumnedu> schrieb im Newsbeitrag
news:3d4b7196@news.povray.org...
> I have been using povray for a few years, and I came across this
> newsgroup earlier this year. I have been re-rendering some of my older
> scenes to use 3.5's new features such as radiosity and photons, but this
> image was so reworked that its's basically new. I started it one night
last
> week, and then forgot about it for a few days (Hey, I'm fairly new to the
> overnight render thing). When I checked on it, it was 2/3rds done, and
had
> had an error and quit. I rendered the bottom portion and matched them up,
> with the total rendering time for an 800 by 600 image being about three
days
> on an Athlon 1.5 ghz with 256 mb ram. I want it bigger! Oh well. How do
> you like it?
>
> -Ben Scheele
>
>
>
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> I hate really slow renders. :-( I think anything longer than 5 minutes is
> too slow (my slowest render so far was 1.5 hours, and that had a very
large
> max_trace_level).
I've made an image once, which didn't use fancy
reflections/refractions, or required a very high trace-level,
nontheless, it needed over 120 hours to trace (and
photons + radiosity + meshes were precalculated, so
120 hours includes only about 20 minutes parsing/loading of
meshes, no photon/radiosity calculations).
If you're interested, the image can be found on my homepage,
in the Past Projects section...
But really: you need to get used to long render times, otherwise,
you'll have some difficulties using POV to its full extent, and
I think it just IS awesome.
Just wait, some day, ILM will use POV-Ray to trace their images...
Regards,
Tim
--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html
Email: Tim### [at] gmxde
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On Sat, 3 Aug 2002 00:42:34 -0500, Ben Scheele wrote:
> I have been using povray for a few years, and I came across this
> newsgroup earlier this year. I have been re-rendering some of my older
> scenes to use 3.5's new features such as radiosity and photons, but this
> image was so reworked that its's basically new. I started it one night last
> week, and then forgot about it for a few days (Hey, I'm fairly new to the
> overnight render thing). When I checked on it, it was 2/3rds done, and had
> had an error and quit. I rendered the bottom portion and matched them up,
> with the total rendering time for an 800 by 600 image being about three days
> on an Athlon 1.5 ghz with 256 mb ram. I want it bigger! Oh well. How do
> you like it?
>
> -Ben Scheele
This is a beautiful image, and worth the render time:-)
--
#local i=.1;#local I=(i/i)/i;#local l=(i+i)/i;#local ll=(I/i)/l;box{<-ll,
-((I/I)+l),-ll><ll,-l,ll>pigment{checker scale l}finish{ambient((I/l)/I)+
(l/I)}}sphere{<i-i,l-l,(I/l)>l/l pigment{rgb((I/l)/I)}finish{reflection((
I/l)/I)-(l/I)specular(I/l)/I}}light_source{<I-l,I+I,(I-l)/l>l/l} // Steve
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Thanks for the replies all.
Rohan:
I should have said that I didn't expect it to take nearly that long. Once
it got to the actual crystal ball, it slowed down a lot. Good thing that I
forgot about it then, cause I too am not quite that patient.
You mentioned
> [you] made a crystal ball scene with POV-Ray 3.1 which used media
inside it...
You should try rerendering that scene with version 3.5 and its new
features. It's fun! As long as you don't need to be anywhere near your
computer for a while. hehe.
Tim:
Most of the images I have made explore various mathematical patterns or
concepts, or are just kind of abstract and explore various features. I
think that you need to understand the properties of materials and special
effects before you can make a realistic scene. I guess the image does look
too clean. Some surface normals would have helped, maybe roughening the
edges of the rods with a hf difference. I agree, that it is probably
necessary to wait a long time for an image to render if it is going to be
able to compete in the IRTC. That image of yours for the "worlds within
worlds" topic is great. I do plan on competing in the IRTC some time. I
wanted to enter in the "Sea" topic, because I had a great idea for it, but
I was a bit too green at the time to be able to pull it off.
Steve:
Thanks. I appreciate your praise.
-Ben Scheele
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