[Zbrush] Dynamesh subtract question.

JamieRIOT

Hi everyone,

I had two subtools (~1m polys each) which I have merged together. When I run the tool through dynamesh, I want the scultped tool to be subtracted from the plane with an accurate, smooth edged result, but I keep getting jagged edges (as seen in the image).
I have tried increasing the dynamesh level up to 512 (used in image), increasing blur and thickness amounts and toggling on polish, but can't achieve a better result than below.



Thanks for any help you can give.

JamieRIOT

Anyone have the answer to this? I'm stuck at how to get the result I want to achieve

CharacterCarl

I think the issue is most likely the noisiness of the mesh you want to substract and not the Dynamesh settings. I tried out something similar quickly:

peanut™

You need to assign a new polygroup to the squarish area by hiding the sculpted piece with mask options (on my machine its ctrl+W). Once done, ctrl-shit + left mouse either pieces to isolate either or.

JamieRIOT

@DerRazputin - Thanks for that, I did a quick test with the same tool and used the 'polish crisp edges' deformation slider to get this result:



@peanut - I watched a Youtube video last night that sounds like what you have explained there. From what I can make of what you said, it seems like a slightly different method to achieve the same result? Thanks for the help.

peanut™

This is just perfect, i'm the one learning from you on this one, thanks for bringing this to my attention.

JamieRIOT

[ame]https://www.youtube.com/watch?v=pX5XdYoWPj0[/ame]

Here's that video. He basically does a very similar process to myself, but gives the two tools different polygroups and toggles on 'sub' when running dynamesh.
I was stumped on the cleanup of the jagged edges mainly, but it's good to know multiple ways of doing things, just in case one doesn't always work. Using those polish sliders in deformation does a good job of fixing that though

peanut™

Yes that's pretty much what i intended to say but the guy on your video certainly explains better than i would ever do. There's a few things here and there i would have changed in his workflow but it's what most people would go for.

I must say i wasn't sure if Dynamesh would let you work on multiple polygroups on the same mesh but i can see the use of the polish slider in this case which is also good.