View Full Version : Saslite long hair suggestions
07-04-2005, 04:44 PM
Hello fellow artist. I've been using saslite to render long hair. Granted it's nothig close to Violet (from pixar's Incredibles) but I finally got some hair on her head after hours of tweaking lol...:applause: But I'm not satisfied:sad: I'm here to ask those who have used saslite to create chain guided hair for some tips & suggestions on the hair
07-05-2005, 12:30 PM
good start....clean up the strands on the forehead and then paint (on your model surface) in some fine hairs where the hairline should begin and graduate that to denser scalp hairs. Also you could do more than one hair shade to add some organic variety. you also need to shape the bangs a bit more?
07-05-2005, 12:49 PM
I use Hairspray from http://www.hurleyworks.com/
I couldn't imagine doing hair without it. :D
07-05-2005, 04:51 PM
Hair spray is ok, but not as easy to control as led to believe.
I ended up doing it the more time consuming way, which ends up giving you more control over finsihed model. I ripped this technique from someone wiser than myself about this, but I don't remember who it was...
Make a copy of the polys on the scalp where you need the hair to be. Cut it down the middle and delete, since you can mirror it when finished. (unless it is a non-symetrical haircut). Remove polys and use Points to polys to make single point polys. Jitter them slightly. Select the new polys and surface them "root". Copy them and move to another layer.
Now make a long hair curve guide in another layer. Copy, paste and move them to the places you need the hair to grow. Reshape depening on what part of the head they are on. Make about 1 guide per 10 hair points. Also, put the end of the chain just inside the head of the character(should at least have the head of your character in another layer for reference)
keeping your curves in the background, select "rail extrude" multiple. Try different options in the option box and keep the results you like. Surface the new hairs "hair" or whatever. Re-paste the points you moved from earlier and merge. Now you have hair guides called "hair" with single point polys called "root" which should work nicely with Sas.
You can also ClothFX the hairs for motion.
07-06-2005, 10:59 PM
you can get better effects with saslite if you give it more than one layer. see example, here, on the puppy's chin whiskers. even just plain saslite hair, not the long kind does alot better if there are different layers of color and spec, etc.http://www.renderosity.com/messages.ez?Form.ShowMessage=2087268....and, here for just plain saslite http://www.renderosity.com/viewed.ez?galleryid=988865&Start=37&Sectionid=10&filter_genre_id=0&WhatsNew=Yes
07-07-2005, 01:14 AM
I would happily argue until I'm blue in the face that Hairspray is so necessary to Sasquatch that I am still annoyed it's not included with every copy of Sas.
I agree, it does seem clunky at first, but once you "get it" you won't go back. And by "get it" I don't mean that there's some strange concept to grasp - it's more that you have to get comfortable with its operation before you are much use with it.
It allows you to have so much control over such a dense hair count (which Sas favours if you're going for anything realistic). All the other solutions (of which I tried all that I could find) for creating hair guides don't even compare.
I don't think there's enough info on the Hairspray website to show how best to use it imho.
07-07-2005, 10:19 AM
Hey Mattoo, I have heard about some people mentioning that Hairspray is really a necessity when using Sasquatch to make long hairs. As I'm currently a novice in making hair, do you happen to have time to explain to us how you would go about doing it with Hairspray? And if time permits, a tutorial would be best :D *hint*
07-07-2005, 05:38 PM
Ok, here's a quicky. I won't cover the specifics on how Hairspray works, but that's the easy bit, the thing that got me stumped was the technique. Anyhow, this is what works for me:
Since Hairspray doesn't work on sub-d meshes you have to copy the head polys into another layer and freeze them at a nice level. Level 2 was fine for this.
setting up Hairspray
Next I made two guide presets which I saved out. One simply called "beginning" and the other called "end". I then select the spray style to use "beginning" and the blend style to use the "end" preset.
I pretty much left all the settings to default except for collision detection, which I turned on.
I then create a rough template using Hairspray to rough out where I'd want the shape of the hair to go and to guide me once I'm in the thick of it. You'll have to adjust the 'style' (beginning) and the 'blended style' (end) for each clump.
Now I started on the proper placement of guides. Using the two style guides I made earlier to create clumps of hair onto the model much like a wig maker.
The guide count was anyhere between 10 and 20 hairs per clump and I'd dab them on rather than spray, just for that extra bit of control and to achieve even spacing. I'd use smaller clump counts on areas that need finer control, like the side burns and the long hair on top.
Once again, for each clump you'll almost certainly have to adjust the beginning and end styles to your liking. You could make more styles for particular parts of the head, but I just found it easier to reshape my basic set each time.
note: When placing the beginning and end guide in a clump, make sure to have them at either end of the clump to give you better control of the inbetween guides.
For the back of the head here I used a 'scissor' object to cut the hair into that nice neat fringe on the neck. This might not be particularly realistic but it was in keeping in this case with the style of the character.
I've marked roughly how large the clumps were on the back of the head. The clump sizes generally became smaller as I moved toward the front of the head to give me more control. Smaller clumps also make more realistic longer hair.
At this point I took a break and used the opportunity to cut and paste these hairs into another layer. This gives me an opportunity to remake areas I'm not pleased with later on in descreet layers. I then used it as a background layer just to inform myself where I'd already made hair guides.
... a few more guide clumps later.
I hope this helps. It sounds tedious but I actually did this in an evening. It's a faster process than it sounds.
If anyone needs help with Hairspray then just ask.
07-07-2005, 05:38 PM
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