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Why most older and some new hairs don't look as realistic as they could

cherpenbeckcherpenbeck Posts: 1,416
in The Commons

I noticed that 3d-hair more often than not has common problems.

The hair is too dense. Real hair is usually so thin, at least at the edge, that the scalp is visible. And having fuzzy very short single hairs standing all around the edge like a hem to imitate getting thin at the edge doesn't help, looks even worse.

The hair stands too high. Real hair, if it is not whirled up by the wind or fixed with a hair dryer and lots of hair spray, lays very tight to the head, especially when it is long (caused by its own weight).

Braids and ponytails are too thick. Most people have much thinner hair - and this is a blessing for most women, because heavy, thick hair holds up hairstyles with difficulties.

It's not that I can do it better,

I admire the artists who can make hair. I would only wish for some, otherwise very good hairs, that they were a bit more realistic if seen close-up. And, by the way, some of the newer hairstyles are so beautiful that one just does't notice the last small faults.

Comments

  • Sven DullahSven Dullah Posts: 7,621

    A gravity morph would be appreciatedsmiley

  • BeeMKayBeeMKay Posts: 7,019

    The problem with "thinner" hairs (less layers) is that you'll often see the skull... and not in the way it is with normal human hair.

  • Richard HaseltineRichard Haseltine Posts: 108,149

    Doing strand-based hair that is fine requires a lot of geometry - for 3Delight Garibaldi/Look at My Hair could do it, but as they are non-dynamic it is tricky to make them geenrally usable. Iray, or making the hair morphable or posable, requires turning it into real geometry (from one of the iar plug-ins, or from an external tool capable of generating strand hair) which usually means that the strands are quite thinck, fine for some hair types but not for others.

  • DiomedeDiomede Posts: 15,388
    edited September 2018

    In some cases, you can start in another program with their strand-based hair.  Then use that program's conversion tools to create a mesh.  You control whether the converted mesh is high density or low density. To create morphs, use the same dynamic hair, apply wind, brush a new style, or whatever in the original program.  Use the same conversion factors and you get the same number of vertexes in the same order.   Perfect fo morphs.  Of course, you need to create appropriate shaders, and some programs include a base uvmap with the conversion.

     

    Here is an example of this method.


    https://www.daz3d.com/forums/discussion/comment/3445056/#Comment_3445056

    Post edited by Diomede on
  • nelsonsmithnelsonsmith Posts: 1,337
    Diomede said:

    In some cases, you can start in another program with their strand-based hair.  Then use that program's conversion tools to create a mesh.  You control whether the converted mesh is high density or low density. To create morphs, use the same dynamic hair, apply wind, brush a new style, or whatever in the original program.  Use the same conversion factors and you get the same number of vertexes in the same order.   Perfect fo morphs.  Of course, you need to create appropriate shaders, and some programs include a base uvmap with the conversion.

     

    Here is an example of this method.


    https://www.daz3d.com/forums/discussion/comment/3445056/#Comment_3445056

    Was that plugin of Phils every given a release date?

  • DiomedeDiomede Posts: 15,388

    There are two Phils.

    PhilW’s hair products produced this way are in the store.  https://www.daz3d.com/paige-hair-for-genesis-8--3-females

    Philemo’s plug-in for Carrara has been released.  See same thread linked above.

     

  • fastbike1fastbike1 Posts: 4,078

    @cherpenbeck

    Based on my life experience, your obeservations only hold true for some individuals, and not even a majority.

  • caravellecaravelle Posts: 2,655

    For me, the problem is just the opposite. Meanwhile the PAs make their hair thicker again, but two, three years ago, you could read the newspaper through the thin, transparent strands some of them made. I am happy that this period seems to be over. 

    The hair you describe can be seen maybe on old people, but it is not the standard. Okay, many people in Northern or Middle Europe have finer, thinner hair than, say, Southern Europeans. Not to mention the Near and Middle East, South America etc, where many people have a full head of hair.

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