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can someone give me a good renderign scene and renderign preset ?
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  • looser
  • Posted: 13 March 2010 06:27 AM

To Yvan:
Thanks allot for your help. when i was modeling this junk i tried to keep it as close to real deal as possible. i even measured some stuff and made sizes accordingly (this is my house lol)
I wish i knew MR was so picky about issues like faces being in same space, than maybe i wouldn’t have this problem in the first place.
As for why one parameters was 1000 and another 5 is : I tweak one till i get what i need and then tweak another :)
Ill rebuild walls and see if it helps.
Also would fixing problems with models effect rendering time ?

To Alex:
wow this looks what i would expect. light does not bounce enough to lit the closet and other places but that can be compensated by global illumination i guess.
How long did it take to render this? can you share your render preset ? i want to see what you did to make it look this way.

Thanks



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dude, i did share the preset with you, its on page one of this topic. I lit up your scene with only one sun and sky, thats it, no GI, no sky portal, no messing with light multipliers and so forth. the closet didnt get light because there is something up with your geometry. that explains why the doors are black...you have to clean up the surfaces in order for MR to render correctly. Also, you have to know when to stop, if the closet is dark then drop a light in there, cause my closet is dark in the real world.

Ohh and by the way the rendering took like 2mins more or less. I have a crappy entry level viz machine MAC 8 core 8gig ram radeon 6800 (piece of crap) 3dsmax 2010 MR

Author: AleKz e7

Replied: 13 March 2010 07:27 AM  
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looser 13 March 2010 02:27 PM

To Yvan:
Thanks allot for your help. when i was modeling this junk i tried to keep it as close to real deal as possible. i even measured some stuff and made sizes accordingly (this is my house lol)
I wish i knew MR was so picky about issues like faces being in same space, than maybe i wouldn’t have this problem in the first place.
As for why one parameters was 1000 and another 5 is : I tweak one till i get what i need and then tweak another :)
Ill rebuild walls and see if it helps.
Also would fixing problems with models effect rendering time.

Thanks

Just wondering, is your house (it is a very nice one, congratulation) really oriented this way; directly north – south? You know if you need to check the real light situation a precise geographic orientation is a basic condition.

When two objects are sharing the same coordinates in the scene, MR is not able to decide which one is nearer to the camera and is having problems usually resulting in artifacts.
Clear simple meshes render faster and don’t bring issues.
Keep in mind that a kombi solution (GI plus FG) is always the fastest one, because bounces are not calculated and one can get nice image even by low settings.

ivan



Replies: 3
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i did get a nice image. i didnt turn bounce on. see the image i attached.

Author: AleKz e7

Replied: 13 March 2010 11:31 AM  
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Yes Alekz, the image is not bad for this stage of visualization, but I’m afraid it could not be very much better in the future process, without Photon mapping or FG bounces.
See the black areas oh the ceiling and in the corners.
And I think we cannot have just this light situation in this particular house.
Can you say what time of the day are you simulating?
Actually in one thing you are right, one can do it in many ways just faking it
and get nice pictures I agree.

Author: ivan iliev

Replied: 13 March 2010 10:31 PM  
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Hello Ivan,

I set the daylight to 9am winter solstice and the rendered image took around 2 mins.

I pretty much think Looser can take this as a final rendering/daylighting solution, once Looser maps his materials it should look good. The dark corners have nothing to do with lighting/shadows, its actually just occlusion, that can be tuned in the shader parameters once he maps everything (or leave it out). Im not a fan of GI, sky-portals, fake key lighting. I used to do it before in MAX 6, i used a sky-dome with 100 spotlights, one direct light and an omni light for ambient color...very messy. Glad those days are over. All I use now is a daylight system and FG for good realistic results.

In the paper Harvard University wrote on experimental daylighting in 3dsmax they left out GI.

http://images.autodesk.com/adsk/files/3ds_max_design-exposure_validation.pdf

In my opinion GI is ok, but its fake.

Author: AleKz e7

Replied: 14 March 2010 02:50 PM  
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  • looser
  • Posted: 13 March 2010 10:02 AM

Right, totally forgot that i could save preset and port it to my current scene where i have rebuild walls.

Thanks guy’s i learned allot, still wishing it was simpler and faster :)
I heard Vray has some sort of real time rendering engine coming up soon ?



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Replies: 1
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vray and mr are almost the same thing.

Author: AleKz e7

Replied: 13 March 2010 11:33 AM  
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In my opinion GI is ok, but its fake.

Hi AleKz, (just for info)

I’m rendering the source file with the resolution daytime and location set from Looser.
That is actually the summer solstice. The model has an override Arch&Design material, no Gamma correction, no ambient occlusion, is flat because of that, but the Light is distributed the right way. There are plenty of tools to make it brighter and sharper down the workflow. The FG is = Draft, the Photons low. FG map and Photon Maps are not saved; the machine is INTEL Core2 Q6700, Max 2010 64 bit. The render time is to be seen in the posted image. (Img01)

The second image is showing your daytime setup, there is a difference I don’t know why maybe something in the settings.

AleKz, if you are able to get nice images without using GI, that you and your employers find nice and acceptable, just keep going. The best thing in this business is that there are many ways to do the job. Cheers!

ivan

Anyway in Computer Graphics everything is “fake”. ;-)



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Replies: 1
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Hi Ivan,

Can we see your inderect illumination settings?…

haha yeah i agree there is alot of ways to light, im afraid looser might get lost in all of this.

Author: AleKz e7

Replied: 15 March 2010 07:33 AM  
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Can we see your inderect illumination settings?…

Sure AleKz, they are not something very special: See Attachment.

ivan



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Thanks Ivan, pretty straight forward.

Author: AleKz e7

Replied: 16 March 2010 12:17 PM  
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Hi Ivan,

Totally. you can see them on page one of this thread.

Author: AleKz e7

Replied: 16 March 2010 06:15 PM  
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  • looser
  • Posted: 17 March 2010 07:08 AM

LOL i am lost, but i figured what might help me.
I posted standard light request for max hoping it will come in next service pack or next max release.
http://area.autodesk.com/for...t-light-with-1-big-tweak/
With that kind of light i wouldn’t have to use light portals shadows at all speeding up the process allot.
I only hope the image i posted in that topic is clear.
And guys, do you know of any other max forums that maybe more popular then this ?
No offense but this forum does not seem very popular. I just want find server with more people and more forum options and such which this forum doesn’t have.



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