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[#32332] Zero alpha contour on intersection with transparent shader

Date:
2012-08-15 17:43
Priority:
3
State:
Closed
Submitted by:
Konstantins Visnevskis (kivig)
Assigned to:
Brecht Van Lommel (blendix)
Category:
Rendering: Cycles
Status:
Todo / Closed
Relates to:
Duplicates:
Patches:
 
Summary:
Zero alpha contour on intersection with transparent shader
Detailed description
Transparent shader creates zero color/alpha line on intersection.

In the sample scene there also is strange sort of "refraction" - upper plane is more or less straight, but it gets bent through transparent shader.

Followup

Message
  • Date: 2012-09-24 19:36
  • Sender: Thomas Dinges
  • Brecht, can you please check?

    It looks correct to me though.
  • Date: 2012-09-24 19:59
  • Sender: Konstantins Visnevskis
  • When I open the attached file and press render, I see a black line of zero alpha in the intersection of displayed planes. Just re-tested with RC. Isn't it there for you?
  • Date: 2012-10-24 22:19
  • Sender: Brecht Van Lommel
  • Moving this to the raytracing precision todo list. Ideally we could lower the epsilon a bit, to handle this better, but need some clever solution for instancing still.
 

Attached Files:

Name Date Download
contour.blend 2012-08-15 17:43 Download

Changes:

Field Old Value Date By
StatusNew2012-10-24 22:19blendix
status_idOpen2012-10-24 22:19blendix
close_dateNone2012-10-24 22:19blendix
assigned_tonone2012-09-24 19:36dingto
File Added21749: contour.blend2012-08-15 17:43kivig