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eokorie

04-21-2003, 04:05 PM

I recently decided to re-render an old image i created using Cinema 4D XL 8.1 to test the new HDRI features. Just wanted to see the differences it had on rendering times as well as the sort of quality I would be getting.

Original Image rendered in Cinema 4D XL 7.3. It took me 23 hours and 51 minutes to render this image in Radiosity.

http://members.lycos.co.uk/grafikkaos/images/Study_Room.jpg

New HDRI image created in Cinema 4D XL 8.1. This only took 7 hours to render..... BIG drop in render time....

http://members.lycos.co.uk/grafikkaos/images/Study_Room_HDRI.jpg

The quality looks a lot better as well.... and a lot less "orangy"

:beer:

STRAT

04-21-2003, 05:14 PM

jeeezzzz! what massive render times.

what specs you got, and what settings you use???

JIII

04-21-2003, 05:42 PM

that mirror looks pretty funky but nice pic man.

and that is one huge render time. I you must have your samples set at 10 million.

eokorie

04-21-2003, 05:53 PM

I think the reason why the render time took so long on the original image was because I had three separate lights in the scene and to make matters worse, i forgot to turn off the Auto Light option the the render setting.... A mistake i will not make again....

Having said that, back then I was still trying to grasp a serious understanding of radiosity as well.....

I think I do have a better understanding now....

Just to mention, the original image was rendered on an old machine.... A Duron 1.2, 128 MB Ram, Windows XP Pro

The new one was rendered on an Athlon XP 2200+, 256 MB Ram, so I guess that might explain the reduced rendering times.....

squidinc

04-21-2003, 06:03 PM

cool :) but to be honest ,you may find this annoying but.. I prefer the original :D , the new one seems to have a lot more radiosity artifacts and theres something strange happening with the mirror cupboard, both good images though

STRAT

04-21-2003, 06:20 PM

i agree with squidinic - the first image looks nicer due to the lack of artifacts.

but even so, 7 hours? thats still a heeeoouuuge render time, specially considering the low render settings.

Drakeotic

04-22-2003, 02:35 AM

Have to say after looking at both pics for a minute yea i also like the first one better. :thumbsup:

Drakeotic

JIII

04-22-2003, 02:42 AM

I do too the first one seems warmer and I like that. It all depends on what your monitor settings are like. Also depends on whether you are a cold or how color person. everyone pecceives color a little bit diffrently.

Drakeotic

04-22-2003, 04:33 AM

is it daytime in the second picture and night time in the first? just wondering what was with the window. but yes the first one feels warmer. I guess because its chilly in my house now. :)
Drakeotic

eokorie

04-22-2003, 08:20 AM

i guess the first image represented the room at night and the firt one represented the room during the day. Don't get me wrong, i still do like the first one too.... if only i could understand why the rendering took so long on both counts, maybe i will be able to do better next time. I definitely do remember not putting the Auto Light option off. But do you also think the models may have contributed to the render times?

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