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I changed cheap glass to have 1 1 1 transmittance and Nd =1 and if I give it low nested dielectric priority it seems to work as a cutting object. I haven't seen this documented anywhere. Is this the thing Mihai was referring to here?

thank you for sharing this!

munch

are you try that in studio ? Juan talk about something like that in the webinar and he showed an example

I had been trying to guess it since Mihai hinted at it at the bottom of this post:
http://www.maxwellzone.com/news/maxwell ... neak-peak/

But it has been presented and discussed elsewhere now.

I used the Maya plugin.

thanks
i played with th settings and i got the same results :
transmittance 1 0 0 or 0 1 0 or 0 0 1
Nd =1
Attenuation : 1m
roughness :0
Or :
transmittance 254 255 255 or 255 254 255 or 255 255 254
Nd =1
Attenuation : 999m
roughness :0
nested priority : 0
and for other materials (opaque ; metal ; transparent ..... ) : priority : 1
https://www.youtube.com/watch?v=2KNVUqWO3Bo

i tried boolean with a mesh but some triagles were visible

Another interesting option is the ability to apply different textures and UV-maps for the intersection.

Nice

It would be good to have all the general Boolean operations.

It would also be good to be able to do something about the mathematically perfect sharp edges one gets from render-time Booleans.

Test Boolean : scatter and grass
useful to create some effects on rock ; wood ; Cheese ...

Very creative!

thanks
I made some test and change material settings
the object with lowest nested dielectric priority :
Hidden from GI
the material settings :
ND = 1
Attenuation = 999 m
Transmittance : any color
Reflectance 0 : RGB = 0,0,0
Reflectance 90 : any color
Roughness = 100
the material give the same result as material with opacity / mask = 0 or matte material

Hidden from GI
the material settings :
ND = 1
Attenuation = 999 m
Transmittance : any color
Reflectance 0 : any color
Reflectance 90 : any color
Roughness = 0
The boolean worked fine

Not Hidden from GI
the material settings :
ND = 1
Attenuation = 999 m
Transmittance : any color
Reflectance 0 : any color
Reflectance 90 : any color
Roughness = 0
The boolean worked fine

Not Hidden from GI
the material settings :
ND = 1
Attenuation = 999 m
Transmittance : any color
Reflectance 0 : RGB = 0,0,0
Reflectance 90 : any color
Roughness = 100
The boolean worked fine

Hidden or Not Hidden from GI
the material settings :
ND = 1
Attenuation = 1 m
Transmittance : R or G or B = 254.9 and the two other values : 255
Reflectance 0 : any color
Reflectance 90 : any color
Roughness = 0
The boolean worked fine

if the object with lowest nested dielectrics was hidden from Gi ; is better to avoid its shadow ; but the intersection between the two objects don't receive lights from emitters or shadows from other objects ; and always black when the scene iluminated with emitters only