Making a haircut scene?
Justin_Ames
Posts: 163
Hi everyone! 
I'm looking to create a render in what my character is cutting her hair off, is there any way to do such a thing in DAZStudio?
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Are you implying that you need an environment, poses, props or something for such a hair cutting scene?
Fisio Physics Simulator might help?
No, I more mean how am I supposed to make the hair on 2 seperated part once it's cutted. Like on those pictures :
For some, not all, models of hair, you could export them out as .obj, cut off what you want cut off, then reimport each piece. These would be as props then [not rigged]. If you try this method, make a shader preset or mat preset of the hair first, so that can be applied to the imported mesh. If 'all' one does is cut one into two pieces, the uvmaps should stay the same.
Alternatively one can use available pieces and pretend that they were cut off of a larger hairdo, for eg this one which is free: https://www.artstation.com/marketplace/p/6YLaA/hair-3d-hairstyle-model-long-plait
Also, I think that there are a few hairdos in the store which have the main hair and then an add-on bun or braid, etc. I don't have a list of them though.
I'm kinda new do Daz and I'm not sure I understand how to do everthing you just mentioned.. Do you by any chance have a few screenshots showing me where to click to do all that?.. :( I already have the hair I wanna cut.
With the hair selected, File > send over the bridge to Hexagon and D/S will open Hexagon presupposing it's been installed and the programs have been told where each other are.
As for how to do the work in Hexagon, no I don't happen to have any images handy atm.
Is this a hair sold at Daz3D? I have a number of them but certainly not all.
I'm just afraid that most of the hair products do not have that many hair lines as per the pics you attached, even if you can 'cut' the braid with Geometry Editor or external modeling software, and simulate it then...
Maybe go for making some texture maps, or making a particle hair with Blender / other hair tools...
In the flash sale! https://www.daz3d.com/dolly-changeable-hair-for-genesis-8-female-s
Forum glitched, there's a 2nd hair with a variety of styles in the flash sale ... ? happened to the edit.
Here'e the 2nd hair I found over in the flash sale, has several styles: https://www.daz3d.com/midnight-special-hair-for-genesis-3-female-s
And then there's this one two, indicates long and short styles: https://www.daz3d.com/bump-it-hair-for-genesis-3-and-8-female-s
The way I do stuff like that is to:
The duplicate is not "Fit To" anything. If it is already, make it so it's not. Don't worry if this changes things in the scene. We'll get to that.
When the hand that is to remove the cut hair is in position (along the timeline), line up the duplicate portion to match where it should be, and adjust the scale, etc., if necessary.
mCasual has a wonderful script for setting the origin of things, which is what I use. It's free but I can't recall the exact name just now, and I'm in the middle of simulating, so I can't check. I'll try and come back later with a link.
Without that script, we can simply use a good ol' Null. So
How to make this whole contraption work in a fluid animation:
At the point along the timeline when the hand is in the right position to catch the cut hair:
What we've just done is to replace the one hair duplicate with another using a scale value of zero. Both of these are identical except that one is parented to the hair (Null Disappear) and one to the hand that removes it. What's left behind on the character's head is the hair after it's been cut.
I've never done this for cutting hair before, but I do these sorts of procedures all the time. The actual process may vary according to the needs of the scene, but it's all the same sort of illusion all the same.
It would be easier to grasp if I had time to make a video about it, and perhaps I shall one day.
In the meantime, I really hope this helps you out.
Again, the forum isn't notifying me of followed threads - so I apologize for the delay. If something like this happens and you need an answer quickly, please send me a PM. I can often help - even if in my strange sort of workflow methods! ;)
Okay, typing this from memory. If somehting seems wrong, send me a PM and I'll help you get this figured out.
Just to clarify: When I'm saying "When the hand is in the right position to remove the hair", this is where we need to Create our Nulls and edit the hair and duplicates so that This is where our initial key frames take place. It will save us a lot of headaches down the road.
That said, if the part of the cut hair is going out of whack before the hair is cut, try to copy the key frames of that piece from the working point described above to frame 0 (zero). You might also need to change that key at frame zero to Linear.
I'm usually doing these sorts of tricks with props, so I simply load them at the working point, giving them that spot as their initial key frame - which is really handy because that carries through all the way back to frame zero in many cases.
Forum notifications have been AWOL for sometime, I've been using the bookmark and/or notification sections that [so far] we each have.
Hmmm... I was unaware. I'll have to go digging ;)
Say Cat, you've done similar things before right? Perhaps? Does my workflow seem sound to you or did I leave out a step. Working like a Dickens here so I can't really use Daz Studio to check for accuracy.
I'm pretty sure I wrote it right, but then again... lack of sleep makes me... well... tired.
Aha! Thank you very much! Right there all this time? <slaps forehead>
The problem is that I don't always have the forum open. It's much easier when the email message pops up.
Yes however when we are more familiar with how all the programs work, the tasks seem easier. Trying to explain it all out for somebody just starting out, it can be rather daunting [takes me about a week to make one of those step by step .pdf tutorials and right now just haven't had the time either.]
I think possibly the best route to take is for purchasing hairdos that are condusive for the project. Easy enough to have a 'wild hair' enter, and a 'neat short' version leave -- for $2.99 or 3.99 plus at least 1 purchase of new over $1. I picked up a couple to see how it might go. I'm dreaming, maybe tomorrow I might have some time HOWEVER we're also expecting more heat wave and at a certain temp. all computers go off around here.
Post work can help with the bushy ends too.
Also, one could make a dense plain of mesh [small, for hand to hold], make/save it into to a "figure" [just to get some rigging] - then use the SBH to draw out a bunch of hair strands. Saving that as a wearable if I recall correctly.
Yes, and I don't know why the emails stopped coming. Maybe it's another "feature" of the forums now.