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Nuno Faria
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PostPosted: Sat Mar 03, 2007 2:12 pm 

Joined: Thu Nov 17, 2005 8:12 pm
Posts: 218
Location: Portugal
sandykoufax wrote:
I can't doing that. :?

Nuno, can you share your scene file (.max) with just water and pool object and material ?


yes, sure... i'll upload it in an hour or so. :wink:
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Nuno Faria
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PostPosted: Sat Mar 03, 2007 3:27 pm 

Joined: Thu Nov 17, 2005 8:12 pm
Posts: 218
Location: Portugal
ok....here is the max file (max9)
http://www.virtuastudio.com/MR_Forum/ACS_Test_Scene.zip

and here is another render SL12.92 (about 1 hour)

Image

i hope this helps to understand better the tip. :wink:

best regards,
nuno
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sandykoufax
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PostPosted: Sat Mar 03, 2007 4:28 pm 
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Thank you very much, Nuno. :D

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numerobis
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PostPosted: Sat Mar 03, 2007 4:44 pm 

Joined: Mon Apr 11, 2005 10:47 am
Posts: 1512
Location: Germany
nice solution for caustics, but the shadow looks wrong to me... normaly there shouldn't be any visible shadow at the surface of clear pool water. maybe this pool is a saltwater pool with very salty water? :D
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JTB
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PostPosted: Sat Mar 03, 2007 7:07 pm 

Joined: Wed May 04, 2005 1:40 pm
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Location: ATHENS, GREECE
Thank you very much for the max file, very nice tutorial... :!:

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sandykoufax
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PostPosted: Sat Mar 03, 2007 9:04 pm 
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I think I found my problem.

The water mesh is slightly beneath the ags mesh.

Right?

1. same position

Image

2. water mesh(invisible to camera) is lower position

Image

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sandykoufax
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PostPosted: Sat Mar 03, 2007 9:07 pm 
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Now I have to go sleep.

Here is 4 AM. :)

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Nuno Faria
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PostPosted: Sat Mar 03, 2007 11:33 pm 

Joined: Thu Nov 17, 2005 8:12 pm
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Location: Portugal
sandykoufax wrote:
I think I found my problem.

The water mesh is slightly beneath the ags mesh.



yes....thats it :wink:
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misterasset
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PostPosted: Sat Mar 03, 2007 11:37 pm 
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Ahh, thanks for looking into this guys. I'm ashamed to say that I'm the one who raised the question and then didn't investigate it. :oops: But thanks for looking into it. :D

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sandykoufax
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PostPosted: Sun Mar 04, 2007 1:53 pm 
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Thanks for share your scene, Nuno.

It works fine. :D

and I had another test for underwater scene.

Image

Image

In case of underwater, it seems that the only one mesh for water is better than two (ags+water invisible)

:)

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Nuno Faria
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PostPosted: Sun Mar 04, 2007 2:33 pm 

Joined: Thu Nov 17, 2005 8:12 pm
Posts: 218
Location: Portugal
hi sandy,
nice underwater tests! :)

yes, thats the problem with ags... for these kind of scenes (underwater), i agree thats better to use only one mesh without ags... since your camera is under the mesh, caustics show fast.
only use "ACS" technic if you are seeing caustics through the mesh.

i'm glad you're testing it :wink: , maybe togheter, we come to a better solution!

best regards,
nuno
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sandykoufax
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PostPosted: Sun Mar 04, 2007 3:17 pm 
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:D

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jurX
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PostPosted: Sun Mar 04, 2007 5:48 pm 
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....yes ....nice test!

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