Maya texture follow up question

Become a member of the CGSociety

Connect, Share, and Learn with our Large Growing CG Art Community. It's Free!

THREAD CLOSED
 
Thread Tools Search this Thread Display Modes
Old 08 August 2007   #1
Thumbs up Maya texture follow up question

Hi, thanks to everyone who helped me last time. I'm working on a simple rendering project trying to create a biological membrane that looks like this one:
http://www.nearrealtime.com/images/ATi_images/ati-bacteria-03.JPG
I used this famous Xray shader
http://dl3d.free.fr/shader_tutorial_xrayshader_maya.php
to render and can create the transparent membrane effect. But couldn't get the 3D bump effects as it's in the original pic.
The bumps in my pic (attached) looks like 2D. What I did was I added "volume noise (3D)" to the "Xray color" in the shader. Does anyone know how to make the bumps more realistic (i.e. 3D as in the original pic)? Also, what kind of noise looks more like the one shown in the original pic? Thanks!
Attached Images
File Type: jpg cell.jpg (10.9 KB, 22 views)

Last edited by zhutinghere : 08 August 2007 at 02:17 AM.
 
Old 09 September 2007   #2
A bump map is a normal map, i.e. no actual displacement. What you would need to do is either do some render-time subdividing or have your objects be already SubDs/Nurbs.
 
Old 09 September 2007   #3
You should try the ctrl_bumpcombiner shader.
http://www.mymentalray.com/mymr_shaders/shaders.htm
It's under the layering section.
And I think a fractal texture would match the bumps of the reference image.

Kako.
 
Old 09 September 2007   #4
Thread automatically closed

This thread has been automatically closed as it remained inactive for 12 months. If you wish to continue the discussion, please create a new thread in the appropriate forum.
 
Thread Closed share thread



Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
CGSociety
Society of Digital Artists
www.cgsociety.org

Powered by vBulletin
Copyright ©2000 - 2006,
Jelsoft Enterprises Ltd.
Minimize Ads
Forum Jump
Miscellaneous

All times are GMT. The time now is 10:45 PM.


Powered by vBulletin
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.