Hello everybody,
Does anyone know where I could find a good tutorial to create alpha or transparency map for rendering hairs...
Thanks in advance.
alpha or opacity map
Re: alpha or opacity map
Not sure if this is any good
Re: alpha or opacity map
Thanks for this verry interesting and usefull link but what I would like to know is the way to CREATE a alpha or transparency map...
Any idea?
Any idea?
- Marcel2586
- Posts: 438
- Joined: Sat Mar 05, 2016 7:42 am
Re: alpha or opacity map
a transparency map or alpha map exist 9 out of 10 times out of two colors, black and white.
The black makes sure that the part is invisible and the white is visible. A nice example is leaves of trees.
It is almost impossible to model all the leaves and there comes transparency maps or alpha maps in handy.
The leaves are small square planes with a leave texture on it and with a transparency map.
The transparency map
the texture map
You can trace a texture map in a paint program and make it white and the rest black.
The black makes sure that the part is invisible and the white is visible. A nice example is leaves of trees.
It is almost impossible to model all the leaves and there comes transparency maps or alpha maps in handy.
The leaves are small square planes with a leave texture on it and with a transparency map.
The transparency map
the texture map
You can trace a texture map in a paint program and make it white and the rest black.
this would be funny if it weren't happening to me 

Re: alpha or opacity map
It means all hairs transparency maps have been ceated by hand?
There is no possibilities to generate it with a program as for bump maps?
There is no possibilities to generate it with a program as for bump maps?
- Marcel2586
- Posts: 438
- Joined: Sat Mar 05, 2016 7:42 am
Re: alpha or opacity map
yes it can with Adobe Photoshop or Gimp. turn the texture into black and white and then lower the colors to two colors, black and white.
this would be funny if it weren't happening to me 

Who is online
Users browsing this forum: No registered users and 2 guests