Maya 2020 fundamentals - modelling the real world
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# 1 27-08-2002 , 04:09 PM
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Hide reflections from specific objects?!

Hello, I have a bottle standing on a reflective plane. I have several objects only visible in reflections that I want to be visible in the bottles reflections but not in the reflective plane. At the same time I want the bottle to visible in the same reflective plane, How do I render this with raytracing? user added image user added image

Is there no technique for blocking specific reflections? It should not be that different from blocking a light source on a specific object, right?
user added image


/marw
# 2 27-08-2002 , 04:53 PM
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Sounds like something you'd have to do in scripting... not sure, really. Any Mel people in da house? user added image

# 3 27-08-2002 , 06:33 PM
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There is a place to set which objects will be reflected in a scene when raytracing, but it's based on the entire scene, not the object, but......you can always cheat user added image

Render the scene as is with just the bottle and the reflective plane visible. Next bring the other objects in and render that with a non-reflective plane. Now go to Photoshop and composite the two by removing the plane in the second image and blend the two bottles user added image

Darkon


Red bellows of flame have blackened my stones
Convulsing my frame and cracking my bones
Hell's dragons of steel who roar in their chains
Crawl into my caves to suck out my veins.....

-The Mountain P.F.M.
# 4 27-08-2002 , 07:03 PM
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Now we see first hand why Darkon was MOTM and why Blondie is always wanting to kiss himuser added image
good job buduser added image
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You Can't Kill Me And Eat Me To!!!
Some people are alive only because it's illegal to kill them.
# 5 27-08-2002 , 08:16 PM
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Originally posted by 3DNut
Now we see first hand why Darkon was MOTM and why Blondie is always wanting to kiss himuser added image
good job buduser added image
3DNut

user added image user added image user added image

# 6 28-08-2002 , 02:30 AM
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Thanks 3DNut, I just like "thinking out of the box" so to speak user added image

And Blondie, :love: you user added image


Red bellows of flame have blackened my stones
Convulsing my frame and cracking my bones
Hell's dragons of steel who roar in their chains
Crawl into my caves to suck out my veins.....

-The Mountain P.F.M.
# 7 28-08-2002 , 02:46 AM
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heh, I knew you could do it that way, but I was trying to think of a way to do it in Maya. Sorry. user added image

# 8 28-08-2002 , 03:01 AM
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Alright, so I wimped out user added image

It had me scratching my head for a while! The only other way would be with reflection mapping....nah...we cheat user added image

Darkon


Red bellows of flame have blackened my stones
Convulsing my frame and cracking my bones
Hell's dragons of steel who roar in their chains
Crawl into my caves to suck out my veins.....

-The Mountain P.F.M.
# 9 28-08-2002 , 03:20 AM
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maybe you can select reflective plane,
ctrl +a
see the Render Stats
turn off
Primary Visibility




i hope that is good for you

# 10 28-08-2002 , 03:38 AM
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But wouldn't he lose the bottles reflection? Now you got me thinking again-doh user added image

Oh, and welcome to the board nnice_h user added image

Darkon


Red bellows of flame have blackened my stones
Convulsing my frame and cracking my bones
Hell's dragons of steel who roar in their chains
Crawl into my caves to suck out my veins.....

-The Mountain P.F.M.
# 11 28-08-2002 , 03:58 AM
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if i hadn't got the wrong meaning....see picture

my english is so poor...
so if i wrong,
sorry....


# 12 28-08-2002 , 04:30 AM
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yeah, but he's got two objects... one to be reflected on the other object, but NOT the floor... quite an interesting predicament.

Why do you need that kind of situation, Marw? Just curious.

# 13 10-09-2002 , 08:55 PM
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we need it because we're used to it

hi dudes,
this is a common feature in 3d max so i guess we'd expect the same in maya...any way so this just has to be done in post by rendering in seperate passes user added image.
there are many small things in max which i took for granted and wham !!! no cigar in maya.
i guess high end just means being able to script/program the software in and out.
so has any body asked if they can rotate the scale pivot yett user added image
b

# 14 10-09-2002 , 09:11 PM
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Actually if Maya were the same as Max we'd all be in XSI user added image

Darkon


Red bellows of flame have blackened my stones
Convulsing my frame and cracking my bones
Hell's dragons of steel who roar in their chains
Crawl into my caves to suck out my veins.....

-The Mountain P.F.M.
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