Tutorial: Creating realistic Carrara hair for animations and still renders

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  • Darth RraraDarth Rrara Posts: 9,282

    Hope people find this useful for their projects this month. yes

  • Darth RraraDarth Rrara Posts: 9,282

    What is your favorite freebie Carrara dynamic hair on the web?

     

    Marcelo has some at sharecg   http://www.sharecg.com/v/24144/browse/5/3D-Model/Long-dynamic-hair-for-Carrara-6

     

  • mindsongmindsong Posts: 1,094
    edited November 2016

    Jonstark has a couple as well.

    His hair on sharecg (with another in his gallery)

    http://www.sharecg.com/v/79903/gallery/5/3D-Model/Basic-Dynamic-Hair-for-Animation-Testing

    @diomede, thanks much for sharing your lessons! When I can't keep up (real life, etc.), I save all the pointers, and this is precious!

    cheers to all who've shared - we lurkers are absorbing as much as we can get to!

    --ms

    (edit to remove redundant mention of Jonstark's great videos)

    Post edited by mindsong on
  • MAJourneyMAJourney Posts: 1,261

    Hey, i'm finding this very helpful. however, i'm a deaf dude and i'ive been using captions to understand the vids, but for some reason, p;art 6 doesn't have the CC button. So, i can't get past that...

  • wgdjohnwgdjohn Posts: 2,634

    I'd think that there would be a program to translate from audio to CC...  but too often I'm wrong about a lot of things. frown

  • MAJourneyMAJourney Posts: 1,261

    And where is this "more complex hair" tut?

  • wgdjohnwgdjohn Posts: 2,634

    I just checked Google and YouTube has a free app that will do just what I'd hoped... located at Free Audio to Text Using YouTube Closed Caption - Update - YouTube...  it's in audio format, why the video creator didn't bother to add CC to it to help is beyond me.  It is up to the video creator to add CC.  I also found a YouTube help file explaining how to add CC to someones video but have been unable to find any app that auto adds CC... yet. 

  • MAJourneyMAJourney Posts: 1,261

    If someone could just e7plain  the tools use in the part 6 vid, it would be good enough.

  • JonstarkJonstark Posts: 2,375

    Part 6 vid starts off talking about the 'Push' tool (I actually screwed up and forgot to convert the hair before using it, which is why it jumped back up into the original position and I had to drape and convert before using the Push tool).  Even though you have set an offset amount when draping, sometimes the hair seems to drape too close to the mesh, and the Push tool is excellent for nudging the hair up off the mesh by a certain small distance (which you can set and adjust according to your likes).  I use the push tool all the time whenever draping, it's just an easy way of getting back to a reasonable offset after draping.

    Next is the Cut tool, which basically lets you shorten the guide hairs, when no specific hair is selected, then Cut tool affects all the hairs, and I simply used it to 'trim' the hair to make it even.

    But since some of the hairs were already too short to be even (they were sprouting from farther back on the head) I next demonstrated the 'Hair Length' tool to 'grow' the hair out a lot and then used the Cut tool to trim it back evenly.  The hair length tool has a default setting of 0 feet, so if you use it at default it will only shrink the hair back to nothing, not grow it out, so I changed that to grow the hair out, and I also changed the radius of effect so I could do the whole head at once instead of a hair at a time.  Once it was grown out, several hairs went right into the mesh (since the hair length tool doesn't care about mesh).  Because you can only use the Cut tool from the tip end of the hair, as some of the hair tip ends are not visible since they are now inside the mesh of the proxy figure, I unchecked the constraint that the cut tool would only apply to visible hairs, so that I can cut back the ones inside the mesh at the same time.  I cut it back, used push to get it outside the mesh again, drapied again, and used push at a lower setting, then used cut to even it up.

    Next I jumped back to the assembly room to demonstrate that although my guide hairs all looked right, some of the loose hair that would render is too far away from any particular guide hair, and so it just falls wherever it falls, including right through the mesh on the front of the face, looking weird.  I was going to show how to fix this, but made another mistake and my mouse wheel accidentally scrolled over the 'Segments Per Hair' box, taking it down from 30 to 1 and immediately messing up my hairstyle as every hair was only 1 unbroken segment.  I then moved to correct this, I put the number of segments back up to 30, but it will still all look the same and I have no guarantee that the segments are even from each other, so I next used the 'Even Hair Segments' tool to make sure each segment is equal to each other (so that the hair will drape naturally). 

    Although it is an easy fix to get back to where I can drape it again, I took a moment to highlight the 'Straighten' tool which makes the hair stand up, then Brushed it back into position, then draped and used the push tool to get back to where I was at before.

    I then showed how to correct the loose hair falling where it wants problem by going in to the bottom of the general tab and checking the enable autogrouping (why this is unchecked by default I'll never know). 

    Next I demonstrated that now the hair is all following the guide hairs as it should, so there's no more loose hairs falling through the face, but also showed that because of the small number of hairs I was using there appeared to be a very thin, nearly bald, stripe down the middle of the head.  I showed the 2 ways to correct that, the 1st is to simply increase the number of hairs, which is great for still renders, but can slow rendering time and for animations might not be the most ideal solution.  The next solution is to use the daz hair cap that is included with every copy of Carrara, fit it to the top of the character's head, and use the morphs to make it cover the area where the hair is growing from, and for animations the human eye can't really tell the difference, which lets you use very low numbers of hairs to get the same visual effect as a full head of hair (since the balding areas are covered) and the rendering can still fly speedily.

    That's about all that's covered in that video.   Hope that helps  :)

     

    The 2nd slightly more complex hairstyle tutorial is linked here: https://www.daz3d.com/forums/discussion/52022/    And I think you can also find them on my youtube channel too.

     

    BTW one final note:  now that Philemot has developed the plugin to turn Carrara hair into an object that can be turned into conforming hair to be used in other programs, I believe that content creators are eventually catch on to the fact that Carrara is possibly the fastest/simplest way to make tremendously realistic looking conforming hair too, just by creating your Carrara hair and then saving it out to be turned into conforming.  :)

  • MAJourneyMAJourney Posts: 1,261

    @Jonstark you're a lifesaver! Thanks!

     

    I have a problem. Even at 100 strength, my brush isn't doing squat. The guide hairs are up every which way, but tthe hair is diwn like it draped? Reset does nothing. I must've tripped on something...

  • JonstarkJonstark Posts: 2,375

    @Jonstark you're a lifesaver! Thanks!

    Np, my pleasure :)

     

    I have a problem. Even at 100 strength, my brush isn't doing squat. The guide hairs are up every which way, but tthe hair is diwn like it draped? Reset does nothing. I must've tripped on something...

    Hmm, I haven't ever run into something like that, the guide hairs up and the real hairs draped, and nothing responding?  Sounds like something is very wrong, hard to diagnose that remotely.  Maybe some screenshots?  I freely admit by the way that I am not really an expert, just a guy who figured out a few things and thought I'd share.  It may be something simple that I'm not thinking of offhand, or it may be that Carrara suddenly borked on you and you might have to get rid of it and start over.  I haven't had that happen in the hair room, and in fact rarely have trouble anywhere in Carrara, but every once in a great while I'll get 'an error has occured' error message and have to crash out of the scene and restart from my last save point.

  • MAJourneyMAJourney Posts: 1,261

    sMACK ME IN DA HEAD. I fitxed it. Had to hit clear in sim contrlols. no idea how i tripped on that.

     

    Also, my brush wasn't doing anything because...well...imagine a flea trying to brush your hair with all its might. too small, too weak. lol

  • Darth RraraDarth Rrara Posts: 9,282

    With Philemo’s dynamic hair to obj plugin, the shader styles affect the obj.  Perfect for toon renders.

  • evilproducerevilproducer Posts: 8,994

    I have got to work on this stuff. I didn't before, because of my old and slow computer. Now I have no excuse except for no time. wink

  • this should suit :)

    https://www.daz3d.com/dynamic-elderly-hair-for-v4-and-m4

    I found it in my runtime - its a lot of fun :)

  • Bunyip02_CarraraBunyip02_Carrara Posts: 2,735
    edited August 2018
    head wax said:

    this should suit :)

    https://www.daz3d.com/dynamic-elderly-hair-for-v4-and-m4

    I found it in my runtime - its a lot of fun :)

    Definately fun !

    Elderley hair 1.png
    1923 x 1042 - 938K
    Post edited by Bunyip02_Carrara on
  • ha ha yes, lovely beard - it's very interesting how all the hair sections are availble in one hair instance - i didnt know you could do that

  • PhilWPhilW Posts: 4,909

    Just a thought about hair and specifically about styles that you may have for older figures. Let's say you have a style for V4 and you'd really like to use it with G2F. You can't just apply it to G2F as it has a different mesh and so most likely the hair will sprout from all sorts of random body parts. So you can use Philemo's plugin to use it with the new figure - load V4 and the hair, and convert using Philemo's plugin. You now have a polygon version of that hair that you can adjust to fit any figure (most hairs will fit pretty easily unless the character has a very strange shaped head - yes, Aiko, I'm looking at you!. You just need a transmap to apply to the strips in the vertex hair - and you can even use Carrara hair to produce the transmap (white hair on a black background).

  • Small note - you can create simple variations on the existing styles by varying wave, kink, and, other elements in the shader.  So if you have a very straight hair product, you can use Philemo’s plugin to get a straight version, but you can also apply a different shader and get a variation.  Pretty cool.

  • PhilWPhilW Posts: 4,909
    Diomede said:

    Small note - you can create simple variations on the existing styles by varying wave, kink, and, other elements in the shader.  So if you have a very straight hair product, you can use Philemo’s plugin to get a straight version, but you can also apply a different shader and get a variation.  Pretty cool.

    And these variations can be used as morphs for the base hair model. 

  • How about long haired V4 models floating about in zero gravity. Any Zero-G hair plugins?

  • If you take one of the Dynamic hairs into the model room you can experiment and get some interesting results.

  • Here are videos of two of my experiments with using Flow Force as a wind source for Dynamic Hair. The hair strands are on a green vertex sphere. I find using Flow Force frustrating because of it's "seemingly" buggy controls that don't do anything when you change the numbers from their initial state. Are any of you having the same troubles with Flow Force?

    Carrara 8.5 - Dynamic hair in wind using Flow Force
    https://vimeo.com/289222936

    Carrara 8.5 - Dynamic hair in Force Flow wind - 2
    https://vimeo.com/289223539

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