Situation: I wanted to render a scene which is made up of a few flowers model in the foreground, and in the background, I have a grass particle system.

Problem: Whenever I tried to render, there seems to be a bug which looks like the image below. It's as if a part of the grass is displayed over the flowers, which should've been in the background. How do I fix this?

After trying over, I found that one solution is to turn off 'strand render' under render settings on the particle system of the grass. That way, I wouldn't see those overlaying grass effect. However, when I turn it off, I would have a different result for my grass and it doesn't look good at all. Here is my Blend file: http://www.pasteall.org/blend/30319

Well, my blend file is too big to be uploaded so I deleted some settings and objects in order to have as minimum size as possible. I used just a plane on the blend file above. but as you can see the problem still applies. When we render, there are a few traces of grass over the plane.

enter image description here

  • 1
    $\begingroup$ Use multiple render layers, and overlay them in the compositor. Also, Cycles is better for most stuff, except for NPR, so use Cycles. $\endgroup$ Jul 10 '14 at 17:13
  • 4
    $\begingroup$ Try increasing the end clipping distance in the camera past the plane with grass $\endgroup$
    – user1853
    Jul 10 '14 at 17:15
  • $\begingroup$ Thankyou! Turns out changing the end clipping distance really solved it all! $\endgroup$ Jul 11 '14 at 3:44
  • $\begingroup$ @Steven.Cooler Could you please add the solution as an answer . $\endgroup$
    – stacker
    Jul 12 '14 at 16:50
  • $\begingroup$ @cegaton Maybe you should answer, if you want.. $\endgroup$
    – gandalf3
    Jul 13 '14 at 7:39

The hint from cegaton's comment solved the issue. I had only to increase the end clipping distance in the camera behind the plane with grass.


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