Zbrush Solutions-Zbrush Baking to Low Poly

[@lucylestat9698]

Thx so much for making this Glenn! I watched so many tutorials and a lot of the time they skip over this part. I'm learning all this stuff by myself so I really appreciate you taking your time to answer my noob question :)

[@Glenn3D1993]

+Lucy Lestat Your Welcome. Glad I could help you out.

[@mezabarch]

Thank you for the great demonstration! Demystified a few things for me.

[@Glenn3D1993]

You're welcome. Glad it Helped you out.

[@postmodernerkindergartner960]

Dude, i've had nothing but struggle to get ANYTHING to i did in zbrush to display in 3dsmax correctly, wether normals nor displacement maps were shown correct. Then i tried Marmoset 3 and i really had some troubles there as well, mostly with my displacement maps. But with your workflow it works like a charme, that one solution with exporting the FBX file was golden, thanks alot!

[@postmodernerkindergartner960]

Only downside is, i love max and i would rather have it all there, but it's alright

[@etienneduberger186]

Simple and effective as usual ! Thanks Glenn

[@Glenn3D1993]

+Mc Bane Hope it helped you out.

[@etienneduberger186]

Tout-à-fait ! :)

[@silvaazarian4296]

So so very very useful information . Always having trouble while exporting .obj to Maya , have to smooth edges of the low poly . Never thought of using .fbx for a smoother surface . Thank you .

[@Glenn3D1993]

You're Welcome. Be nice if Zbrush would export obj with the normal smoothed out. Maybe a Future Update.

[@bhargavv7040]

Wonderful! Thanks, Glenn!

[@Glenn3D1993]

+bhargav v Your Welcome

[@MrSambhav200]

This video was really helpful ! Thanks Glenn !

[@Glenn3D1993]

+dota2player Your Welcome. Glad I could Help.

[@siddharthpaul6539]

sir when you click the mesh in marmoset it turns total green...is it fine?? coz it should show the proper wireframe of the mesh...like in 35:47 to 35:50

[@Glenn3D1993]

Depends on the density of the mesh, if the polycount is low you should see a normal wireframe, but if you have subdivision on or a high poly mesh it'll look like it's all green.

[@siddharthpaul6539]

so this means yours is high poly...total green....right??

[@Glenn3D1993]

In this instants I have Subdivision turned on so the Displacement will look better. Reason it looks all Green is its drawing all the wireframe of a Subdivided Model, if you zoomed into it you would still see the wireframe, but real dense

[@siddharthpaul6539]

so whats the reason behind baking if you are subdividing the low poly mesh?

[@Glenn3D1993]

No particular reason, just showing off displacement in Marmoset

[@dragon95os]

man ur videos rock .. so informative and to the point thank u !

[@Glenn3D1993]

You're Welcome. Glad you're enjoying the tutorials

[@SonRiceArt]

Hi, I've try to download Greeble Pack on your page, but download button is ''Sorry, this item is not available in your location''? How can i take that pack? Thanks

[@Glenn3D1993]

+Rice Son What country are you purchasing from? Some countries aren't available through PayPal

[@outtoplay]

Teriffic lesson. Thanks for the effort!

[@Glenn3D1993]

+outtoplay Your Welcome! Hope you got something out of it.

[@amp7224]

Glenn, A few quick questions. I'm a novice especially when it comes to UV maps I did a few but still learning. Do you have a tutorial on creating UV maps or any links for recommendation? I'm not understanding the whole GUV functions could you elaborate? Does this work the same for organic sub tools? Do you always merge all subtools of low poly version and select them separately by polygroup then project them individually or can you keep them separate and bake them separately in Marmoset? And thank you VERY MUCH for the excellent tutorial. I've been searching for a complete explanation of the whole baking high to low process and this cleared up a hell of a lot!

[@Glenn3D1993]

I have another tutorial on UV, kzbin.info/www/bejne/fHeQeWd_ipmAeqs Also have one more older Tutorial that talks about mirrored UV's. All in Zbrush. GUV means Grouped UV, I try to explain all the types of UV'S in the first video. I have plans on creating a new UV Tutorial on the near future.

[@amp7224]

Much Appreciated! This is a big stumbling block for me. And I look forward to watching your post.

[@Glenn3D1993]

Zbrush does a adequate Job with UV's especially with quads but can do some funny things with triangles. Spent hours the other night with a triangulated mesh trying to UV it in Zbrush, talking bout Bashing my head against the wall to get it to work right lol. Thinking about learning Unfold 3D and see if it will help with UV'S

[@amp7224]

Using tris outside of decimation master is something I have no experience with. I've heard about it but never seen a tutorial on it yet. And your UV tutorial nailed for me thanks!

[@alikhanzhilisbayev8024]

Hi, Glenn! Thank u very much for this amazing tutorial! I have a little problem. After generating maps they do not show behaviour similar to yours. I mean, there are no little details in marmoset, etc. May be the problem is in UV unwrap. During the multimap export, zbrush said "subtool skipped no uvs assigned". I just generated uv for 1st subdivision (planar). In your tutorial i didnt notice any issues with unwrapping, what should I do to obtain the result similar to yours? Thank u very much!

[@Glenn3D1993]

+Alikhan Zhilisbayev The original low poly mesh has uv's already, you need to project detail from the modified one to the low poly mesh, just subdivide it a couple time and project the detail. Then do multi map export on the low poly with projected detail.

[@alikhanzhilisbayev8024]

Thank u very much, Glenn! I created uvs with uvmaster and everything works well! Your tutorials are the best and the most comprehensible!

[@Glenn3D1993]

+Alikhan Zhilisbayev You're Welcome. I try to explain things the best I can, sometimes I go through things pretty quick, I gotta remember to slow down lol.

[@saikopiratos]

i dont get uv maps... is it possible to wrap a high res texture /uv map around low poly geometry? or do i need subdivs? or what D:? ahh texturing is a nightmare..

[@Glenn3D1993]

You can use a high res texture on a low poly model in Zbrush, but you can't modify it. Zbrush doesn't paint directly to texture map, it uses vertex color, ie polypaint. Basically more points or polygons the finer texture will be, then you click polypaint to texture and it bakes it to your texture. You'll need to use a external program like Substance Painter or Mari to paint directly to a Texture map.

[@saikopiratos]

@@Glenn3D1993 so i have a high res model (1m points) painted with poly paint. i want to create a low poly model by duplicating it and zremeshing. now im messing around with sub divs, morph target and projecting and in the hope of somehow getting that poly paint on a multi-subdiv duplicate but shit doesnt work D:

[@Glenn3D1993]

On the duplicated zremeshed model, be sure it's UV'd, zremeshing destroys UV's. Then when you project all be sure RGB is turned on and little paintbrush icon on the subtool is on. Now you should be able to do project all and start seeing the color and geometry change.

[@amp7224]

Do you have a method for doing this with hair created with fibermesh in Zbrush?

[@Glenn3D1993]

Sorry, unfortunately I don't really have any material on hair generation with fibermesh

[@amp7224]

Do you have an alternative method for hair generation? I see Ready At Dawn using haircards but I don't know how that works either and having trouble finding much information on it.

[@Glenn3D1993]

You might try this video. Micheal is a excellent instructor for Zbrush, I always watch his videos. kzbin.info/www/bejne/m4W4YaeLdtWIn5Y

[@amp7224]

I've been watching Pavlovich for a while very good reference like yours very technical and procedural. I learned a lot from him and learning from you can't wait to try your displacement map technique.

[@Glenn3D1993]

Let me know how it works out for you

[@giovanni81289]

Hey Glenn, very good tutorial, just one point, when I project the high poly on the low one, my projection got all blurred, and I don't really know why, do you know what could it be? thanks!

[@Glenn3D1993]

+Giovanni Rodrigues Thanks. You may look at the projection settings, it'll be all the settings next to the project all button. Start by matching the settings from the video and see if that helps

[@giovanni81289]

Ill try it, thank you Glenn^^

[@peter486]

the inner projection looked strange. great video

[@postmodernerkindergartner960]

ok, i still got a problem with this method, everythings fine, but my normals are offset in the Y axis a few pixels.. any idea how i can prevent this from happening?

[@Glenn3D1993]

Unsure what could be causing your pixel shift, never seen that happen. Are you noticing in Zbrush or another app. Send me a screenshot so I can see what's happening

[@postmodernerkindergartner960]

Hey thanks for the quick reply, i retried and turned ADAPTIVE on in multitexture export options. It almost killed my PC but in the end i got better results, the position were close to 1:1.. but i tried to bake everything in marmoset again and got way better results overall in comparison, sadly.. it's always nice to keep the workflow simple as possible. Except the Albedo, i need to bake it in zbrush because of polypaint-information.

[@Glenn3D1993]

Never tried to bake in marmoset, I know it can read polypaint data. Will that not bake that into the texture

[@postmodernerkindergartner960]

yes you're probably right, i experimented so much with this stuff the last days, i forgot why i thought that i need to take the albedo from zbrush export lol.

[@Glenn3D1993]

Try all the baking in marmoset and see what happens. Don't limit yourself to one app, I don't usually bake in Zbrush I actually do most baking in Substance Painter. Make the Best use of all the tools available to you.

[@MichaelHonsinger]

Great tutorial Glenn, thank you! I've been working with UVs inside of ZBrush for a number of years now but have been trying to get a grasp of how to use everything outside of ZBrush (predominantly Hit Film Pro) and it has been a lot of trial and error. Nearly perfect timing on the FBX info; the other day I was wondering if I should try exporting FBX to see if I could get better results! I've been meaning to contact you to let you know how much I'm impressed with your Greeble Generator Pro! I especially like your latest workflow of using the Surface Noise features; so much better than your earlier method! Good thing my laptop is pretty robust because for some reason my desktop crashes everytime I try to load an alpha into the edit window of Surface Noise! So I've been wondering what the Rel button does (I imagine it stands for Relative but haven't seen an explanation anywhere and haven't been able to tell exactly what it is doing). Do you happen to know? Thanks again for all your hard work that has made my life easier!

[@Glenn3D1993]

+Michael Honsinger Thanks! Glad you've stuck around from the beginning, the more I learn the more you guys do. As for the relative button I like to say I understand it completely, but there's little info about it and sometime it doesn't seem to do much different with the surface.

[@MichaelHonsinger]

Yeah...sometimes it seems to make quite a difference whether it's on or off and other times it seems to have no noticeable effect.

[@Glenn3D1993]

Michael Honsinger I know the feeling, it's got a mind of its own sometimes. I know if you want more displacement, you can scale the model down and it'll push out some more.

[@MichaelHonsinger]

Good to know ;-D

[@frankconsidine5989]

Thank you so much

[@Glenn3D1993]

+Frank Considine Your Welcome