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It is possible to cut a geometry based on an opacity texture?

9 REPLIES 9
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Message 1 of 10
m.silva1
2300 Views, 9 Replies

It is possible to cut a geometry based on an opacity texture?

I need to cut a geometry based on a opacity texture. I know that I can use this texture to set the opacity and hide the black zones in the alpha texture but this is not what I want. I need to cut those polys. Anyone know how to do it or if there is a tool that can do this?

 

Thanks!

Labels (5)
9 REPLIES 9
Message 2 of 10
damaggio
in reply to: m.silva1

yes, Vray can do that if you have it Vray>Tools_Opacity Cutout. it's awesome.

Message 3 of 10
m.silva1
in reply to: damaggio

Hi, I've just download the trial version for Maya to try this feature but I don't find it anywhere. In the VRay menu -> Tools I can't see anything that match opacity cutout. Can you tell where it is exactly?

 

Thanks!

Message 4 of 10
nobody_b
in reply to: m.silva1
Message 5 of 10
m.silva1
in reply to: nobody_b

No, I dont want to convert a texture into poligons I want to cut the poligons that are in the black zone in a opacity map. I mean the invisible poligons. It is complicated to explain the use case but is a situation in which this invisible poligons are causing me issues that are unsolvable and I have to get rid of them. I have a lot of meshes with this issues and that´s why I´m looking for an automated solution. Doing it by hand is not an option.

Message 6 of 10
damaggio
in reply to: m.silva1

It’s in Vray 5

Message 7 of 10
m.silva1
in reply to: damaggio

I don't find it. Im searchin in the VRay documentation and I dont find it neither.

Message 8 of 10
damaggio
in reply to: m.silva1

here..........Vray.jpg

Message 9 of 10
m.silva1
in reply to: damaggio

I don't know why but I don't have that option there. Also in the documentation does not exist neither. The tools in the link are the tools that I have.

https://docs.chaosgroup.com/display/VMAYA/Internal+Tools 

Message 10 of 10
m.silva1
in reply to: m.silva1

I finally found the option. The last version of VRay that is on the web to install dont have this feature. I had to go to the Chaos Forum and download the last version which is a beta. This is the link to the VRay version with the opacity cutout feature.

 

https://forums.chaosgroup.com/forum/v-ray-for-maya-forums/v-ray-for-maya-announcements/1112472-v-ray... 

 

Thanks Damaggio for your help!!

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