All posts related to V2
By kami
#368628
Hello

Does anybody think it would be possible to create a furry carpet like that with the maxwell grass?
Image

I think I would have started to create a map for the direction of the hairs?

Or are there faster ways to do it? I guess displacement would not be the best choice here?

(as I am using the Rhino Plugin there is no Hair support sadly, but from my understanding grass isn't that different?)

Thanks,
Kami
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By polynurb
#368632
grass should work

if you want to get the look of your reference you have to dig deeper into this:

http://support.nextlimit.com/display/maxwelldocs/Grass

and check the initial angle map.
you need this one to be good in order to get something realistic. a bit of a challange these color maps.. i can tell :)

Displacement is not a good choice for the fluff, but maybe for the "base plane" of the carpet, so you don't have a perfectly flat plane eventually visible behind the "grass"

what is not possible, afaik, is making the grass wider towards the tip; i believe this is a limitation right now.. grass or hair.. or both,. not sure..
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By Fernando Tella
#368633
polynurb wrote:what is not possible, afaik, is making the grass wider towards the tip; i believe this is a limitation right now.. grass or hair.. or both,. not sure..
I think you can do that by making grass longer and cut it with "cut off" parameter.
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By polynurb
#368642
*edit

i just checked, there are two parameters for the grass width,root and tip.
do you mean that it only renders ok if the top is clipped?
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By polynurb
#368643
ok.. forget what i posted about the width before.

with grass the thing is :

flat & curve will work with wider tip than root

cylinder will not work

for a rug you would want cylinder, if performance allows, so atm i guess you have to trade a straight cylinder vs a better shaped plane
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By polynurb
#368646
Hi Fernando,

what i mean is, try : eg. root 5mm tip 6mm

if the tip is wider it wont render here.
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By choo-chee
#368658
I made some rugs with maxwell grass.
you can always map to types of grass to the same plane to get more diverse hairs...
By kami
#368688
ah thanks. that is a nice tip! and thanks for all the other hints too.
I think I was able to get a good carpet. It is not exactly the reference but it looks good for my case (not extremely in the foreground). I'll post some images the next days ...
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By Mihai
#368876
Looks ok, but does each "hair" thin out towards the tip? Because in the real one it doesn't. Also looks like they could be a little bit thicker, and more of them. Adding a nice normal map of strings along the length will also increase realism a lot I think.

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