NEW RENDER

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NEW RENDER

Postby merid888 » Sun Jan 14, 2018 3:31 am

merid888 Sun Jan 14, 2018 3:31 am
SAME RESULT, LOT A NOISE, UNITS IN METERS, CERO BUMP IN MATERIALS, ONLY IN TILE WITH 0.03, THE LIGHT STILL GENERATE NOISE, I THINK SO IS THE ALGORITHM, I DON'T KNOW, IS ONLY MY POINT OF VIEW
ADD IMAGE AND FILE WITH ALL PARAMETERS, PERHAPS IS AN VALUE TO DO MORE CLEAN AND LESS TIME THE IMAGE, DIRECT LIGHT WITH DIFFUSE MODE, IMAGE 1200 x 1000 PX SAMPLES 1000, ONLY TWO OCTANE LIGHT, ONE IN THE WINDOWS ANOTHER BEHIND OF CAMERA

https://we.tl/ymIcMD7BZd

REGARDS OCTANERENDER TEAM
Attachments
Baño 001.png
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Re: NEW RENDER

Postby justix » Mon Jan 15, 2018 1:11 pm

justix Mon Jan 15, 2018 1:11 pm
Hi, maybe 1000 Samples are too low for a noiseless image? How about light samples? try to set the Light to a 1000 samples at least, why use Diffuse? a PT would return you a more realistic lighting..unfortunately I can't load the file in my 2016 Max
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Re: NEW RENDER

Postby kcpr-raffaEl » Tue Jan 16, 2018 3:09 pm

kcpr-raffaEl Tue Jan 16, 2018 3:09 pm
merid888 wrote:SAME RESULT, LOT A NOISE, UNITS IN METERS, CERO BUMP IN MATERIALS, ONLY IN TILE WITH 0.03, THE LIGHT STILL GENERATE NOISE, I THINK SO IS THE ALGORITHM, I DON'T KNOW, IS ONLY MY POINT OF VIEW
ADD IMAGE AND FILE WITH ALL PARAMETERS, PERHAPS IS AN VALUE TO DO MORE CLEAN AND LESS TIME THE IMAGE, DIRECT LIGHT WITH DIFFUSE MODE, IMAGE 1200 x 1000 PX SAMPLES 1000, ONLY TWO OCTANE LIGHT, ONE IN THE WINDOWS ANOTHER BEHIND OF CAMERA

https://we.tl/ymIcMD7BZd

REGARDS OCTANERENDER TEAM


Can you resave this scene in MAX 2016?
I'll take a look.
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Re: NEW RENDER

Postby merid888 » Tue Jan 16, 2018 8:36 pm

merid888 Tue Jan 16, 2018 8:36 pm
Thanks for commenting, I can send you the file in 2016 format to know if you can do tests on your pc and try to understand the detail of noise generated by the program
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Re: NEW RENDER

Postby kcpr-raffaEl » Wed Jan 17, 2018 12:41 am

kcpr-raffaEl Wed Jan 17, 2018 12:41 am
Ok, I've managed to open the file.

Here is orignal rendered for 1000samples:
Baño 001 _ ORG.png


There is much settings to tweak to achieve better, noisless look, but first of all I've tried to render scene for 2000 samples:

Baño 001 _ ORG 2000s.png


Then I've changed materials and lights settings to physically correct:

1. IOR - not always 1.0 - It depends of material type, i.e plastics 1.5 - 1.7, marble sometimes 2,1 to even 3,2. But 1.0 gives you metal/mirror reflections;
2. White walls - there is no pure white colour in real life, setting diffuse to 255 produces unrealistic effects and more noise - highest value should be around 210~220;
3. Bumped up Lights sampling - smaller light sources need more samples to avoid introducing noise
4. Used Portal to distribute light from outside
5. Set Camera response to neutral
6. Camera Hotpixel removal was too aggresive (cause the lower value is, the filtering is higher) killing your details and made image of tiny "splashes" - changed to 0,3~0,4
7. Tweak Gamma, Exposure settings - but you have to make "3ds max gamma hack" enabled in Kernel Settings
8. Tweaked Kernel settings, enabled AS
9. All is rendered with 3.07 - 4.44 engine

Here are renderings:

1000 samples:
Baño 001 _ kcpr_REAL Mats DL 1000s.png


2000 samples:
Baño 001 _ kcpr_REAL Mats DL 2000s.png


And finally changed Kernel to PathTracing, bacause DirectLight is biased engine, where light distributin isn't physically correct:

1000 samples:
Baño 001 _ kcpr_REAL Mats PT 1000s.png


2000 samples:
Baño 001 _ kcpr_REAL Mats PT 2000s.png


Render time for 1000 samples DL: 0 min, 21 sec
Render time for 1000 samples PT: 0 min, 24 sec

If you like the result I can post .MAX file.
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Re: NEW RENDER

Postby paride4331 » Wed Jan 17, 2018 8:59 am

paride4331 Wed Jan 17, 2018 8:59 am
Hi merid888,
Simple geometries with emission significantly reduce noise.
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Re: NEW RENDER

Postby merid888 » Wed Jan 17, 2018 1:34 pm

merid888 Wed Jan 17, 2018 1:34 pm
hi kcpr-raffaEl
thank you for share you comment, i would like so much if you can post the max file to check all setting, glad to see difference in the images

paride4331
Hi merid888,
Simple geometries with emission significantly reduce noise, what do you mean this ? i use in the window a diffuse material with emission black body or i am wrong in this simulated light ?
W7 x64 Bits, 24 Gb 1866 OC Bus 2400 Mghz, P9X79 ws, i7-3820 10x, 3.60 Ghz to 4.80 Ghz Overclock, 1 SSD 240 Gb FOR SYSTEM, ThermalTake Water 2, 1 GTX 1080 Ti OC 11 GB ROG STRIX, 1 Power Supply Corsair 750 W.
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Re: NEW RENDER

Postby paride4331 » Wed Jan 17, 2018 2:17 pm

paride4331 Wed Jan 17, 2018 2:17 pm
Hi merid888,
try using an 8-segment sphere to simulate a light bulb, or in some cases, if light bulb is visible, you can use tricks like these:
https://render.otoy.com/forum/viewtopic.php?f=27&t=60648&p=310376#p310376
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Re: NEW RENDER

Postby kcpr-raffaEl » Wed Jan 17, 2018 2:39 pm

kcpr-raffaEl Wed Jan 17, 2018 2:39 pm
merid888 wrote:hi kcpr-raffaEl
thank you for share you comment, i would like so much if you can post the max file to check all setting, glad to see difference in the images


OK, I'm attaching .max file.
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Baño 001_OR kcpr Real Mats.zip
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Re: NEW RENDER

Postby merid888 » Wed Jan 17, 2018 9:39 pm

merid888 Wed Jan 17, 2018 9:39 pm
paride4331 and kcpr-raffaEl, thank you for share, i'll check the parameters
W7 x64 Bits, 24 Gb 1866 OC Bus 2400 Mghz, P9X79 ws, i7-3820 10x, 3.60 Ghz to 4.80 Ghz Overclock, 1 SSD 240 Gb FOR SYSTEM, ThermalTake Water 2, 1 GTX 1080 Ti OC 11 GB ROG STRIX, 1 Power Supply Corsair 750 W.
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