I'm currently working on a 3D scene in Blender 2.71. It has a mesh landscape. For the sky, I use a shadeless UV sphere with shadow deactivated. It also has a base in the center where most of the detail is located. Inside the base I have several meshes with an emit value given to them so that they act as artificial lighting (using Indirect Lighting). In order to make them actually emit light, I set the "Gather" setting to "Approximate" under the "World" tab of the "Properties" panel.

However when I look at the rendered view of my scene, the entire rendered image goes black (erratically when I look at it from different angles). I have tried removing certain items in the scene, but only deactivation of "Indirect Lighting" fixes the problem.

How do I keep the "Indirect Lighting" setting active, but prevent it from causing the entire rendered image to be black?

EDIT: I noticed that when the problem happened again recently, it stayed black from every angle, but the sky stayed visible (even though "cast shadows" is deactivated on the sky object).

EDIT-2: Here are some screenshots of the problem: Pic 1Pic 2

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    $\begingroup$ Could you provide screenshots of rendered image and what happens when you "look at it from different angles" (also a version of .blend could be uploaded)? That sounds like a bug but probably isn't. Are you sure that looking from different directions your viewpoint doesn't become located inside any object ? $\endgroup$
    – Mr Zak
    Jan 22 '16 at 15:30

This is no longer a problem after upgrading to Blender 2.76b.

  • 1
    $\begingroup$ This does not provide an answer to the question. To critique or request clarification from an author, leave a comment below their post - you can always comment on your own posts, and once you have sufficient reputation you will be able to comment on any post. - From Review $\endgroup$
    – PGmath
    Feb 17 '16 at 17:32
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    $\begingroup$ @PGmath I think this is fine as an answer, despite being rather short. Especially since it's the OP answering $\endgroup$
    – gandalf3
    Feb 17 '16 at 21:22

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