Fixing the "black line" problem (One idea)

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Fixing the "black line" problem (One idea)

Postby homa246 » Fri Jan 17, 2014 3:33 pm

homa246 Fri Jan 17, 2014 3:33 pm
Hello, i've tried to render MIchael 4 model and i got this black crease lines around his Eyebrow. ( image1)

Then i found that the eyebrow is made of a separate piece of geometry that lies ON the actual geometry of the face (image 2)

And i thought that problem is in the mesh, not in my videocard (By the way i am using GTX660M), or Octane poser plugin.

Next step - I decided to remove the vision for eyebrow in Poser (image3)

The final render. Without this black lines. (image4)

Maybe i am not right, if so - tell me please. Maybe there are some other ways to fix the problem.

Best, Alex.
Attachments
lines.jpg
lines2.jpg
lines3.jpg
lines4.jpg
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Re: Fixing the "black line" problem (One idea)

Postby samhal » Fri Jan 17, 2014 4:39 pm

samhal Fri Jan 17, 2014 4:39 pm
homa246 wrote:Hello, i've tried to render MIchael 4 model and i got this black crease lines around his Eyebrow. ( image1)

Then i found that the eyebrow is made of a separate piece of geometry that lies ON the actual geometry of the face (image 2)

And i thought that problem is in the mesh, not in my videocard (By the way i am using GTX660M), or Octane poser plugin.

Next step - I decided to remove the vision for eyebrow in Poser (image3)

The final render. Without this black lines. (image4)

Maybe i am not right, if so - tell me please. Maybe there are some other ways to fix the problem.

Best, Alex.



You are right! :) Another way to solve it (other than inside poser) is to set the eyebrow opacity to 0 in the plugin.
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Re: Fixing the "black line" problem (One idea)

Postby RGUS » Fri Jan 17, 2014 7:00 pm

RGUS Fri Jan 17, 2014 7:00 pm
Or set 'rayepsilon' under 'Settings/kernel' to 0.000001
This will also fix forehead "black lines" as well as any other geometry too close to each other.
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