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Group / Save surface selection from multiple objects (CLOSED)

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olAnaThu, Jan 05, 2023
Karma: 1,003
Is there a way to group / save surface selection from multiple objects in a scene to try out different shaders.

e.g.

Assuming there is tree, table and a character in the scene.

The idea is to select all the surfaces / selection and group them somewhere? and apply different shaders on them.

Did post this on the Daz Forum.  No response there.

Thanks.
bikdingleThu, Jan 05, 2023
Karma: 58,894
You can save individual materials for an item

File >> Save As >> Material(s) Preset

But I know of no way to 'batch save' the materials in a scene


olAna
Karma: 1,003
Thu, Jan 05, 2023
Not material actually, but just the selected polygons of a surface.

Scenario > select the polygons of the hand surface of 2 characters and apply different shaders.

bikdingle
Karma: 58,894
Thu, Jan 05, 2023
That sounds like you may need to create new material zones for a surface
That I don't know how to do

Alternately a geograft or shell over the area you want to effect
Again, that is beyond my current skills set

olAnaThu, Jan 05, 2023
Karma: 1,003
More like the effect in this image link.

https://dribbble.com/shots/14321260-Frost-Hands-Effect#

Along with portion of the surrounding environment props.





Foxy 3DFri, Jan 06, 2023
Admin: 59,636
@bikdingle's idea to create new material zones for a surface could work - if you want to affect "just the selected polygons of a surface".

It might be easier to create a geoshell, and then use an alpha / cutout mask to affect only the area you're looking to apply the effect to.
Like the Frost Hands Effect in the image you linked... I think you would definitely have to mask that.

I did something similar in this image, with the effects on their faces:
https://www.renderhub.com/gallery/18545/his-last-kiss 

To "group / save surface selection from multiple objects in a scene" - you'll probably need to create Hierarchical Material Presets.
Depending on exactly what you're trying to do, you might not be able to do it with the function currently built into Daz Studio.
In that case, this product might help you accomplish your goals. It unlocks way more options for you, and works great.

https://www.daz3d.com/md-hierarchical-material-suite-pro 

However, I don't think it will work for a "portion of the surrounding environment props" also.
I think it only works for things that are in a particular item's "hierarchy" (like clothing and props parented to a figure).
You might have to rely on saving scene subsets for that.
olAnaFri, Jan 06, 2023
Karma: 1,003
Yes, geoshell with an opacity mask would work for a single object.

Scenario.
The character shoots  a ray of ice / any rays, it strikes the env props too. So portion of the env props would have the same material as the ice.

I am just trying to keep it all within the Daz Studio ecosystem.

Will check out the product suggested.
Thanks.
Foxy 3D
Admin: 59,636
Fri, Jan 06, 2023
Please keep us informed about how it goes, and what you ended up doing.
Or shoot me a message if you want. I'm always up for learning new tricks. smile
olAnaFri, Jan 06, 2023
Karma: 1,003
Will do.  
I am trying to learn the basic core elements of THIS system (shaders/lighting/effects) for predictable results, rather than do trial and error

Searching through Daz official forums if Daz Studio has an accessible editor scripting interface like in Unity 
One could automate few repeated tasks / very simple utility functions.

The product you suggested hooks on to the core proprietary parts of the system.


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