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Full Version: Auto-retopology algorithms compared

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From: amur (STEFAN)
10 Mar 2019   [#58]
Hi Metin,

i somehow agree with you, but on the other side i have not seen
yet a quad remesher which can replace ZRemesher yet. I doubt,
for example, that 3DCoat's autotopo tool can even handle Michael's
sample model properly. Maybe Marco or you can give 3DCoat with
Michael's test model a try.

I am very very thankful that Pixologic gives us still free upgrades,
so this should be no problem, money wise …

Regarding Blender, yes, it is a DCC app, especially 2.8, which everybody
should take a closer look at.

Best regards
Stefan
From: Michael Gibson
10 Mar 2019   [#59] In reply to [#58]
I think the general difficulty is that auto-retopo is targeting generating uniformly sized quads. That works well for the most common organic model type shaping but CAD models very often have a mix of large areas and then smaller sharply defined features.

- Michael
From: Metin (METIN_SEVEN)
11 Mar 2019   [#60]
I agree Michael. It's very complex stuff. I'm hoping that AI will bring the final auto-retopo solution.

Stefan, you're right, ZRemesher is still the best auto-retopologizer in the 3D industry, although 3D-Coat's Autopo can yield very nice results as well, sometimes even better than ZRemesher.

There's also a Blender auto-retopo add-on called Tesselator, which is gradually evolving into quite a nice solution:

https://blenderartists.org/t/tesselator-quad-remesher/1131624

Regards,

Metin

visualization • illustration • 3D design — metinseven.nl
From: nameless
12 Mar 2019   [#61] In reply to [#60]
Greetings fellow MoIists!

Slightly on a tangent, but I came across this guide and it might prove useful to some of you that use Zbrush.

https://www.artstation.com/artwork/baJYqo

Image Attachments:
francis-xavier-martins-tutorial.jpg 


From: KENMO
22 Aug 2021   [#62] In reply to [#1]
Sorry but your link no longer appears to be working.
From: KENMO
22 Aug 2021   [#63]
Rhino3D and Quad Remesher

https://www.youtube.com/watch?v=z92YGS_Oy9g&t=107s
From: Metin (METIN_SEVEN)
22 Aug 2021   [#64] In reply to [#62]
Yeah, I transitioned to a new site CMS and back to Artstation in the mean time. A number of my blog posts died in the updating process. :|

I can safely state that the latest ZRemesher / Quad Remesher versions offer the best auto-retopology algorithms at the moment.

• ZRemesher (version 3 at the time I write this) is part of ZBrush.

• Quad Remesher is the same algorithm, but made available for other DCCs, like Blender, 3ds Max, Maya and more.
─ I've written an extensive post (and thread) about it on Blender Artists, including a FAQ:
https://blenderartists.org/t/quad-remesher-auto-retopologizer/1170913

• There's also a free / open source auto-retopologizer that comes reasonably close to ZRemesher / Quad Remesher, but its development seems to have frozen for a while now:
https://github.com/huxingyi/autoremesher

Regards,
From: Cemortan_Tudor
23 Aug 2021   [#65]
free versions for xsi
https://ssoftadd.github.io/quadRemeshPage.html

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