Dark area problems

Introduction to Maya - Rendering in Arnold

This course will look at the fundamentals of rendering in Arnold. We'll go through the different light types available, cameras, shaders, Arnold's render settings and finally how to split an image into render passes (AOV's), before we then reassemble it i

Watch

# 1 30-01-2007 , 12:55 PM

Subscriber
Join Date: Feb 2005

Location: Sunny Ol' Wigan, UK

Posts: 752

Hey guys, every so often I get these kind of issues in my models, and am not sure why or how to correct them. I mainly get them when modelling low poly and softening edges. Now I thought maybe this would go away with a texture over the top but it doesn't. I've played any suggestions?

Attached Images

If you believe in telekinesis, raise my right hand.

Quote

# 2 30-01-2007 , 12:56 PM

Subscriber
Join Date: Feb 2005

Location: Sunny Ol' Wigan, UK

Posts: 752

two

Attached Images

If you believe in telekinesis, raise my right hand.

Quote

# 3 30-01-2007 , 12:59 PM

Registered User
Join Date: Feb 2003

Location: Los Angeles

Posts: 695

My guess is either your need to merge the vertices on your model or set the poly normals to an angle around 80-ish.

Quote

# 4 30-01-2007 , 01:00 PM

Moderator
Join Date: May 2005

Location: Manchester Uk

Posts: 6,300

Is it not your normals being soft?

"No pressure, no diamonds" Thomas Carlyle

Quote

# 5 30-01-2007 , 01:16 PM

Subscriber
Join Date: Feb 2005

Location: Sunny Ol' Wigan, UK

Posts: 752

I've just set the normals all hard and that does stop the dark areas, but for gaming purposes how am i supposed to get the soft rounder feel with low polys without this nasty effect?

If you believe in telekinesis, raise my right hand.

Quote

# 6 30-01-2007 , 01:18 PM

Subscriber
Join Date: Feb 2005

Location: Sunny Ol' Wigan, UK

Posts: 752

Attached Images

If you believe in telekinesis, raise my right hand.

Quote

# 7 30-01-2007 , 01:21 PM

Registered User
Join Date: Feb 2003

Location: Los Angeles

Posts: 695

I'm sure there is a normals shading value that will smooth your model without causing those problems. Trial and error until you find that value.

Quote

# 8 30-01-2007 , 01:26 PM

Registered User
Join Date: Dec 2005

Location: Brooklyn, NY

Posts: 3,708

I think either you need to experiment with how soft or hard you make the normals or try selecting which edges you want to be soft and which you would want to be hard. I would select all of the edges, soften them and then select the edges around the rim and harden them. If you are still having problems, make sure that all of the normals are facing the right way - try using the Edit normal tool to see which direction the normals are facing - you can also use the append tool as it highlights borders between faces where the normals are facing the opposite directions.

Hope that made sense. user added image

arran3D

arran3D blog

Quote

# 9 30-01-2007 , 01:35 PM

Subscriber
Join Date: Feb 2005

Location: Sunny Ol' Wigan, UK

Posts: 752

yeah cheers, by default I've always just set the normals to all soft 180 selected the complete geometry and softened. It's quite tedious selected edges at a time but is getting much better results than before.

If you believe in telekinesis, raise my right hand.

Quote

Reply to this thread