Is there a method to "ignore" lines during subdivision

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Is there a method to "ignore" lines during subdivision

Postby Nirajp18 » Thu Mar 28, 2019 9:05 pm

2.jpg


I am starting to regularly come up with scenarios where I need to introduce quads in opposite directions but when doing so, I need to "quadify" the trunk where the branch is coming off of.

While there is the creasing function is there something or a method of modeling that acts almost like an "uncrease" where the lines that need to be drawn to "quadify" do not take part in the subdivision?

Looking for some guidance. Thank you.
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Re: Is there a method to "ignore" lines during subdivision

Postby thomthom » Thu Mar 28, 2019 10:16 pm

I'm not sure I fully understand what you are asking for?

Can you illustrate what your expected result would be?
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Re: Is there a method to "ignore" lines during subdivision

Postby Nirajp18 » Thu Mar 28, 2019 11:29 pm

Hi @thomthom

thank you so much for your response. I guess I am coming at this question from:

a) Is there a way to prevent the need to quadify the trunk everytime there is an offshoot
b) Or even if we quadify the "trunk" can we get the resulting geometry not affected by the lines that were drawn. An "un-crease" of sorts?

1.jpg
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Re: Is there a method to "ignore" lines during subdivision

Postby cotty » Fri Mar 29, 2019 6:47 am

Have you deleted the inner faces in your example?

Edit: added image

subd_internalface.JPG
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Re: Is there a method to "ignore" lines during subdivision

Postby Nirajp18 » Fri Mar 29, 2019 4:11 pm

Ahhhh... good call @cotty!!!

That is what I believe I have been missing all along. Thank you so much.
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Re: Is there a method to "ignore" lines during subdivision

Postby tuna1957 » Fri Mar 29, 2019 4:26 pm

Nirajp18, maybe try it this way.....
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Re: Is there a method to "ignore" lines during subdivision

Postby HornOxx » Fri Mar 29, 2019 4:48 pm

:D this option still remains also
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Re: Is there a method to "ignore" lines during subdivision

Postby thomthom » Fri Mar 29, 2019 7:41 pm

There is an option you can enable to have SUbD check the mesh to be manifold:

2019-03-29_19h40_55.png
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Re: Is there a method to "ignore" lines during subdivision

Postby Nirajp18 » Mon Apr 01, 2019 8:07 pm

So much knowledge! Thank you everyone @thomthom, @hornoxx, @tuna1957, & @cotty! I really appreciate you sharing your expertise.
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