Multiple materials on a same object

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Re: Multiple materials on a same object

Postby mossimo32001 » Wed Oct 21, 2015 2:50 pm

mossimo32001 Wed Oct 21, 2015 2:50 pm
Dear Ciao,

This is the fruit of my trials asking the forum... its quite a good feeling knowing people are so sincere helping people that are sincere in asking or lost :) in octane render.

https://drive.google.com/file/d/0B9QIUotYmbcnRS1QaHdrTmljY0E/view?usp=sharing

I was successful achieving my goal through the kind direction provided... i downloaded a converted ocx file from modo to share my thanks.

Can i also take the chance to ask in octane render stand alone.... how can i maintain in my live viewer the render target output while adjusting the matrialsx in node property otline at the right pane of octane. every time i try to select and adjust materials, the live preview changes to the sample sphere materials.

kind regards
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Re: Multiple materials on a same object

Postby bepeg4d » Thu Oct 22, 2015 2:35 pm

bepeg4d Thu Oct 22, 2015 2:35 pm
Hi,
look at the icons of the toolbar of the node graph editor:
Schermata 2015-10-22 alle 16.32.09.jpg
Schermata 2015-10-22 alle 16.32.09.jpg (17.57 KiB) Viewed 9471 times

they are very useful when working with nodes ;)
ciao beppe
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Re: Multiple materials on a same object

Postby smicha » Mon Nov 02, 2015 7:04 am

smicha Mon Nov 02, 2015 7:04 am
3090, Titan, Quadro, Xeon Scalable Supermicro, 768GB RAM; Sketchup Pro, Classical Architecture.
Custom alloy powder coated laser cut cases, Autodesk metal-sheet 3D modelling.
build-log http://render.otoy.com/forum/viewtopic.php?f=9&t=42540
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Re: Multiple materials on a same object

Postby jiayujinn » Wed May 04, 2016 7:05 am

jiayujinn Wed May 04, 2016 7:05 am
I can't believe I just know this after using octane for 2 years...
Thank you man! gordonrobb
You are the best!
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Re: Multiple materials on a same object

Postby gah5118 » Mon Jun 06, 2016 2:58 pm

gah5118 Mon Jun 06, 2016 2:58 pm
not sure if this method was mentioned.

uv map the bottle, then in illustrator or other program place the label where you want it. make another map with solid black over the label and white for where the label is not.

make a mix material and put the black and white map for the mix amount.

throw two different color materials to figure out which node is the label, then use the map with the label on that. make the other your glass material.

the main disadvantage i can think of with this method (possibly using multiple layers might fix it) is that the label material vs the glass will be totally separate. in other words, the label won't be on the glass, but the surface of the bottle will change and it will go from glass to label. this might work for your purposes however. the best way, would be modeling the label so you will have the thickness and everything desired then it will truly be interacting with the glass rather than being more like a hole in the glass.

this is the method i use when texturing electronics since the icons are printed directly on the surface and isn't transparent.
hope this helps.
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Re: Multiple materials on a same object

Postby shayansep » Tue Jan 19, 2021 10:51 pm

shayansep Tue Jan 19, 2021 10:51 pm
I think the best way to have that 100% line between your materials in a specific place you want is to split that part of your geometry so you can give it another material....you can do that in many ways using different softwares
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